CentOS:OTRS-Install

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Vorwort

Das Ziel dieser Anleitung ist es auf einem CentOS OTRS in der neusten Version dh. 3.0.x zu installieren und die Grundkonfiguration durchzuführen. Die Basis der Installation ist ein CentOS Minimal Installation (Keine zusätzlichen Repositories oder Packages). Nach der Installation wurde folgende Anweisung ausgeführt:

       Linux:Yum-Priority-FreshRPM

Datenschutz

        *********************************************************************
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        *                  ALSO SCHWEIZ AG SWITZERLAND.                     *
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"Die in diesen Artikeln enthaltenen Informationen sind vertraulich und dürfen ohne
schriftliche Zustimmung von der ALSO Schweiz AG gegenüber Dritt-Unternehmen nicht 
                         bekannt gemacht werden"

Die Grundkomponenten

Grundkomponenten für eine OTRS Installation sind "Apache" sowie "MySQL"!

Die HTTP Installation

Um den "Apache" zu installieren führe folgendes durch:

       # yum list httpd
       Loaded plugins: fastestmirror, priorities
       Loading mirror speeds from cached hostfile
        * base: mirror.fraunhofer.de
        * epel: mirror.fraunhofer.de
        * extras: mirror.fraunhofer.de
        * rpmfusion-free-updates: download1.rpmfusion.org
        * rpmfusion-free-updates-testing: download1.rpmfusion.org
        * rpmfusion-nonfree-updates: download1.rpmfusion.org
        * rpmfusion-nonfree-updates-testing: download1.rpmfusion.org
        * updates: mirror.fraunhofer.de
       187 packages excluded due to repository priority protections
       Available Packages
       httpd.i386                          2.2.3-53.el5.centos.3                          updates
       # yum install httpd
       Loaded plugins: fastestmirror, priorities
       Loading mirror speeds from cached hostfile
        * base: mirror.fraunhofer.de
        * epel: mirror.fraunhofer.de
        * extras: mirror.fraunhofer.de
        * rpmfusion-free-updates: download1.rpmfusion.org
        * rpmfusion-free-updates-testing: download1.rpmfusion.org
        * rpmfusion-nonfree-updates: download1.rpmfusion.org
        * rpmfusion-nonfree-updates-testing: download1.rpmfusion.org
        * updates: mirror.fraunhofer.de
       187 packages excluded due to repository priority protections
       Setting up Install Process
       Resolving Dependencies
       --> Running transaction check
       ---> Package httpd.i386 0:2.2.3-53.el5.centos.3 set to be updated
       addons/filelists                                                          |  195 B     00:00     
       base/filelists                                                            | 2.9 MB     00:05     
       epel/filelists_db                                                         | 4.6 MB     00:08     
       extras/filelists_db                                                       | 199 kB     00:00     
       rpmfusion-free-updates/filelists_db                                       | 1.0 kB     00:00     
       rpmfusion-free-updates-testing/filelists_db                               |  36 kB     00:00     
       rpmfusion-nonfree-updates/filelists_db                                    |  575 B     00:00     
       rpmfusion-nonfree-updates-testing/filelists_db                            | 8.3 kB     00:00     
       updates/filelists_db                                                      | 1.9 MB     00:03     
       --> Processing Dependency: /etc/mime.types for package: httpd
       --> Processing Dependency: libapr-1.so.0 for package: httpd
       --> Processing Dependency: libaprutil-1.so.0 for package: httpd
       --> Running transaction check
       ---> Package apr.i386 0:1.2.7-11.el5_6.5 set to be updated
       ---> Package apr-util.i386 0:1.2.7-11.el5_5.2 set to be updated
       --> Processing Dependency: libpq.so.4 for package: apr-util
       ---> Package mailcap.noarch 0:2.1.23-1.fc6 set to be updated
       --> Running transaction check
       ---> Package postgresql-libs.i386 0:8.1.23-1.el5_7.3 set to be updated
       --> Finished Dependency Resolution
       
       Dependencies Resolved
       
       =================================================================================================
        Package                  Arch            Version                         Repository        Size
       =================================================================================================
       Installing:
        httpd                    i386            2.2.3-53.el5.centos.3           updates          1.2 M
       Installing for dependencies:
        apr                      i386            1.2.7-11.el5_6.5                base             124 k
        apr-util                 i386            1.2.7-11.el5_5.2                base              80 k
        mailcap                  noarch          2.1.23-1.fc6                    base              14 k
        postgresql-libs          i386            8.1.23-1.el5_7.3                updates          197 k
       
       Transaction Summary
       =================================================================================================
       Install       5 Package(s)
       Upgrade       0 Package(s)
       
       Total download size: 1.6 M
       Is this ok [y/N]: y
       Downloading Packages:
       (1/5): mailcap-2.1.23-1.fc6.noarch.rpm                                    |  14 kB     00:00     
       (2/5): apr-util-1.2.7-11.el5_5.2.i386.rpm                                 |  80 kB     00:00     
       (3/5): apr-1.2.7-11.el5_6.5.i386.rpm                                      | 124 kB     00:00     
       (4/5): postgresql-libs-8.1.23-1.el5_7.3.i386.rpm                          | 197 kB     00:00     
       (5/5): httpd-2.2.3-53.el5.centos.3.i386.rpm                               | 1.2 MB     00:02     
       -------------------------------------------------------------------------------------------------
       Total                                                            284 kB/s | 1.6 MB     00:05     
       Running rpm_check_debug
       Running Transaction Test
       Finished Transaction Test
       Transaction Test Succeeded
       Running Transaction
         Installing     : apr                                                                       1/5 
         Installing     : mailcap                                                                   2/5 
         Installing     : postgresql-libs                                                           3/5 
         Installing     : apr-util                                                                  4/5 
         Installing     : httpd                                                                     5/5 
       
       Installed:
         httpd.i386 0:2.2.3-53.el5.centos.3                                                             
       
       Dependency Installed:
         apr.i386 0:1.2.7-11.el5_6.5                apr-util.i386 0:1.2.7-11.el5_5.2                    
         mailcap.noarch 0:2.1.23-1.fc6              postgresql-libs.i386 0:8.1.23-1.el5_7.3             
       
       Complete!

Kontrolliere ob der Service für den "Apache" aktiviert ist und wenn nicht aktiviere diesen:

       # chkconfig --list httpd
       httpd           0:off   1:off   2:off   3:off   4:off   5:off   6:off
       
       # chkconfig httpd on
       
       # chkconfig --list httpd
       httpd           0:off   1:off   2:on    3:on    4:on    5:on    6:off

Starte nun den "Apache" Server und kontrolliere die Logs:

       # service httpd start
       Starting httpd: [  OK  ]
       
       # cat /var/log/httpd/error_log 
       [Thu Jan 19 11:43:04 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
       [Thu Jan 19 11:43:04 2012] [notice] Digest: generating secret for digest authentication ...
       [Thu Jan 19 11:43:04 2012] [notice] Digest: done
       [Thu Jan 19 11:43:04 2012] [notice] Apache/2.2.3 (CentOS) configured -- resuming normal operations

Bei der Installation des "Apache" wurden folgende User und Gruppen angelegt:

       # cat /etc/passwd | grep apache
       apache:x:48:48:Apache:/var/www:/sbin/nologin
       
       # cat /etc/group | grep apache
       apache:x:48:

Die MySQL Installation

Als nächstes installieren wir den "MySQL" Server mit seinen Komponenten:

       # yum install mysql-server mysql php-mysql
       Loaded plugins: fastestmirror, priorities
       Loading mirror speeds from cached hostfile
        * base: mirror.fraunhofer.de
        * epel: mirror.fraunhofer.de
        * extras: mirror.fraunhofer.de
        * rpmfusion-free-updates: download1.rpmfusion.org
        * rpmfusion-free-updates-testing: download1.rpmfusion.org
        * rpmfusion-nonfree-updates: download1.rpmfusion.org
        * rpmfusion-nonfree-updates-testing: download1.rpmfusion.org
        * updates: mirror.fraunhofer.de
       187 packages excluded due to repository priority protections
       Setting up Install Process
       Resolving Dependencies
       --> Running transaction check
       ---> Package mysql.i386 0:5.0.77-4.el5_6.6 set to be updated
       --> Processing Dependency: perl(DBI) for package: mysql
       ---> Package mysql-server.i386 0:5.0.77-4.el5_6.6 set to be updated
       --> Processing Dependency: perl-DBD-MySQL for package: mysql-server
       ---> Package php-mysql.i386 0:5.1.6-27.el5_7.4 set to be updated
       --> Processing Dependency: php-common = 5.1.6-27.el5_7.4 for package: php-mysql
       --> Processing Dependency: php-pdo for package: php-mysql
       --> Running transaction check
       ---> Package perl-DBD-MySQL.i386 0:3.0007-2.el5 set to be updated
       ---> Package perl-DBI.i386 0:1.52-2.el5 set to be updated
       ---> Package php-common.i386 0:5.1.6-27.el5_7.4 set to be updated
       ---> Package php-pdo.i386 0:5.1.6-27.el5_7.4 set to be updated
       --> Finished Dependency Resolution
       
       Dependencies Resolved
       
       =================================================================================================
        Package                   Arch            Version                      Repository          Size
       =================================================================================================
       Installing:
        mysql                     i386            5.0.77-4.el5_6.6             base               4.8 M
        mysql-server              i386            5.0.77-4.el5_6.6             base               9.8 M
        php-mysql                 i386            5.1.6-27.el5_7.4             updates             86 k
       Installing for dependencies:
        perl-DBD-MySQL            i386            3.0007-2.el5                 base               148 k
        perl-DBI                  i386            1.52-2.el5                   base               600 k
        php-common                i386            5.1.6-27.el5_7.4             updates            153 k
        php-pdo                   i386            5.1.6-27.el5_7.4             updates             65 k
       
       Transaction Summary
       =================================================================================================
       Install       7 Package(s)
       Upgrade       0 Package(s)
       
       Total download size: 16 M
       Is this ok [y/N]: y
       Downloading Packages:
       (1/7): php-pdo-5.1.6-27.el5_7.4.i386.rpm                                  |  65 kB     00:00     
       (2/7): php-mysql-5.1.6-27.el5_7.4.i386.rpm                                |  86 kB     00:00     
       (3/7): perl-DBD-MySQL-3.0007-2.el5.i386.rpm                               | 148 kB     00:00     
       (4/7): php-common-5.1.6-27.el5_7.4.i386.rpm                               | 153 kB     00:00     
       (5/7): perl-DBI-1.52-2.el5.i386.rpm                                       | 600 kB     00:01     
       (6/7): mysql-5.0.77-4.el5_6.6.i386.rpm                                    | 4.8 MB     00:09     
       (7/7): mysql-server-5.0.77-4.el5_6.6.i386.rpm                             | 9.8 MB     00:18     
       -------------------------------------------------------------------------------------------------
       Total                                                            467 kB/s |  16 MB     00:34     
       Running rpm_check_debug
       Running Transaction Test
       Finished Transaction Test
       Transaction Test Succeeded
       Running Transaction
         Installing     : perl-DBI                                                                  1/7 
         Installing     : mysql                                                                     2/7 
         Installing     : php-common                                                                3/7 
         Installing     : php-pdo                                                                   4/7 
         Installing     : perl-DBD-MySQL                                                            5/7 
         Installing     : php-mysql                                                                 6/7 
         Installing     : mysql-server                                                              7/7 
       
       Installed:
         mysql.i386 0:5.0.77-4.el5_6.6                 mysql-server.i386 0:5.0.77-4.el5_6.6            
         php-mysql.i386 0:5.1.6-27.el5_7.4            
       
       Dependency Installed:
         perl-DBD-MySQL.i386 0:3.0007-2.el5               perl-DBI.i386 0:1.52-2.el5                   
         php-common.i386 0:5.1.6-27.el5_7.4               php-pdo.i386 0:5.1.6-27.el5_7.4              
       
       Complete!

Kontrolliere den Service von "MySQL" und aktiviere diesen für "runlevel 2/3/5":

       # chkconfig --list mysqld
       mysqld          0:off   1:off   2:off   3:off   4:off   5:off   6:off
       
       # chkconfig --levels 235 mysqld on
       
       # chkconfig --list mysqld
       mysqld          0:off   1:off   2:on    3:on    4:off   5:on    6:off

Bei der Installation des "MySQL" wurden folgender User und Gruppe angelegt:

       # cat /etc/passwd | grep mysql
       mysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/bash
       
       # cat /etc/group | grep mysqld
       mysql:x:27:

Nun starten wir den "MySQL" Server das Erstemal. Dabei erscheinen einige Hinweise betreffend Konfiguration:

       # service mysqld start
       
       --------------- output ---------------
       
       Initializing MySQL database:  Installing MySQL system tables...
       120119 11:52:27 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
       120119 11:52:27 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
       OK
       Filling help tables...
       120119 11:52:27 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
       120119 11:52:27 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
       OK
       
       To start mysqld at boot time you have to copy
       support-files/mysql.server to the right place for your system
       
       PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER !
       To do so, start the server, then issue the following commands:
       /usr/bin/mysqladmin -u root password 'new-password'
       /usr/bin/mysqladmin -u root -h ticket password 'new-password'
       
       Alternatively you can run:
       /usr/bin/mysql_secure_installation
       
       which will also give you the option of removing the test
       databases and anonymous user created by default.  This is
       strongly recommended for production servers.
       
       See the manual for more instructions.
       
       You can start the MySQL daemon with:
       cd /usr ; /usr/bin/mysqld_safe &
       
       You can test the MySQL daemon with mysql-test-run.pl
       cd mysql-test ; perl mysql-test-run.pl
       
       Please report any problems with the /usr/bin/mysqlbug script!
       
       The latest information about MySQL is available on the web at
       http://www.mysql.com
       Support MySQL by buying support/licenses at http://shop.mysql.com
       [  OK  ]
       Starting MySQL:  [  OK  ]
       
       --------------- output ---------------

Wie durch den Hinweis empfohlen lassen wir das "secure" Script für den "MySQL" Server laufen:

       # /usr/bin/mysql_secure_installation
       
       --------------- output ---------------
       
       NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL
             SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!
               
       In order to log into MySQL to secure it, we'll need the current
       password for the root user.  If you've just installed MySQL, and
       you haven't set the root password yet, the password will be blank,
       so you should just press enter here.
       
       Enter current password for root (enter for none): 
       OK, successfully used password, moving on...
       
       Setting the root password ensures that nobody can log into the MySQL
       root user without the proper authorisation.
       
       Set root password? [Y/n] Y
       New password: 
       Re-enter new password: 
       Password updated successfully!
       Reloading privilege tables..
        ... Success!
               
       By default, a MySQL installation has an anonymous user, allowing anyone
       to log into MySQL without having to have a user account created for
       them.  This is intended only for testing, and to make the installation
       go a bit smoother.  You should remove them before moving into a
       production environment.
       
       Remove anonymous users? [Y/n] Y
        ... Success!
       
       Normally, root should only be allowed to connect from 'localhost'.  This
       ensures that someone cannot guess at the root password from the network.
       
       Disallow root login remotely? [Y/n] YY
        ... Success!
       
       By default, MySQL comes with a database named 'test' that anyone can
       access.  This is also intended only for testing, and should be removed
       before moving into a production environment.
       
       Remove test database and access to it? [Y/n] Y
        - Dropping test database...
        ... Success!
        - Removing privileges on test database...
        ... Success!
       
       Reloading the privilege tables will ensure that all changes made so far
       will take effect immediately.
       
       Reload privilege tables now? [Y/n] Y
        ... Success!
       
       Cleaning up...
       
       All done!  If you've completed all of the above steps, your MySQL
       installation should now be secure.
       
       Thanks for using MySQL!
       
       --------------- output ---------------

Damit beim "MySQL" Server die Warning betreffend "max_join_size" nicht mehr erscheint und "MySQL" für eine mittlere Installation optimiert wird manipulieren wir das Konfig File des "MySQL" Servers:

       # cp -p /etc/my.cnf /etc/my.cnf.orig
       # vi /etc/my.cnf
       
       --------------- /etc/my.cnf --------------- 
       
       [mysqld]
       datadir=/var/lib/mysql
       socket=/var/lib/mysql/mysql.sock
       user=mysql
       # Default to using old password format for compatibility with mysql 3.x
       # clients (those using the mysqlclient10 compatibility package).
       old_passwords=1
       
       # Disabling symbolic-links is recommended to prevent assorted security risks;
       # to do so, uncomment this line:
       # symbolic-links=0
       
       [mysqld_safe]
       log-error=/var/log/mysqld.log
       pid-file=/var/run/mysqld/mysqld.pid
       # Example MySQL config file for medium systems.
       #
       # This is for a system with little memory (32M - 64M) where MySQL plays
       # an important part, or systems up to 128M where MySQL is used together with
       # other programs (such as a web server)
       #
       # You can copy this file to
       # /etc/my.cnf to set global options,
       # mysql-data-dir/my.cnf to set server-specific options (in this
       # installation this directory is /var/lib/mysql) or
       # ~/.my.cnf to set user-specific options.
       #
       # In this file, you can use all long options that a program supports.
       # If you want to know which options a program supports, run the program
       # with the "--help" option.
       
       # The following options will be passed to all MySQL clients
       [client]        
       #password       = your_password
       port            = 3306
       socket          = /var/lib/mysql/mysql.sock
       
       # Here follows entries for some specific programs
       
       # The MySQL server
       [mysqld]
       port            = 3306
       socket          = /var/lib/mysql/mysql.sock
       skip-locking
       key_buffer = 16M
       max_allowed_packet = 10M
       table_cache = 64
       sort_buffer_size = 512K
       net_buffer_length = 8K
       read_buffer_size = 256K
       read_rnd_buffer_size = 512K
       myisam_sort_buffer_size = 8M
       
       max_join_size = 4294967295k
       myisam_max_sort_file_size = 2147483647k
       
       # Don't listen on a TCP/IP port at all. This can be a security enhancement,
       # if all processes that need to connect to mysqld run on the same host.
       # All interaction with mysqld must be made via Unix sockets or named pipes.
       # Note that using this option without enabling named pipes on Windows
       # (via the "enable-named-pipe" option) will render mysqld useless!
       # 
       #skip-networking
       
       # Disable Federated by default
       skip-federated
       
       # Replication Master Server (default)
       # binary logging is required for replication
       log-bin=mysql-bin
       
       # required unique id between 1 and 2^32 - 1
       # defaults to 1 if master-host is not set
       # but will not function as a master if omitted
       server-id       = 1
       
       # Replication Slave (comment out master section to use this)
       #
       # To configure this host as a replication slave, you can choose between
       # two methods :
       #
       # 1) Use the CHANGE MASTER TO command (fully described in our manual) -
       #    the syntax is:
       #
       #    CHANGE MASTER TO MASTER_HOST=<host>, MASTER_PORT=<port>,
       #    MASTER_USER=<user>, MASTER_PASSWORD=<password> ;
       #
       #    where you replace <host>, <user>, <password> by quoted strings and
       #    <port> by the master's port number (3306 by default).
       #
       #    Example:
       #
       #    CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,
       #    MASTER_USER='joe', MASTER_PASSWORD='secret';
       #
       # OR
       #
       # 2) Set the variables below. However, in case you choose this method, then
       #    start replication for the first time (even unsuccessfully, for example
       #    if you mistyped the password in master-password and the slave fails to
       #    connect), the slave will create a master.info file, and any later
       #    change in this file to the variables' values below will be ignored and
       #    overridden by the content of the master.info file, unless you shutdown
       #    the slave server, delete master.info and restart the slaver server.
       #    For that reason, you may want to leave the lines below untouched
       #    (commented) and instead use CHANGE MASTER TO (see above)
       #
       # required unique id between 2 and 2^32 - 1
       # (and different from the master)
       # defaults to 2 if master-host is set
       # but will not function as a slave if omitted
       #server-id       = 2
       #
       # The replication master for this slave - required
       #master        -host     =   <hostname>
       #
       # The username the slave will use for authentication when connecting
       # to the master - required
       #master-user     =   <username>
       #
       # The password the slave will authenticate with when connecting to
       # the master - required
       #master-password =   <password>
       #
       # The port the master is listening on.
       # optional - defaults to 3306
       #master-port     =  <port>
       #
       # binary logging - not required for slaves, but recommended
       #log-bin=mysql-bin
       
       # Point the following paths to different dedicated disks
       #tmpdir         = /tmp/
       #log-update     = /path-to-dedicated-directory/hostname
               
       # Uncomment the following if you are using BDB tables
       #bdb_cache_size = 4M
       #bdb_max_lock = 10000
       
       # Uncomment the following if you are using InnoDB tables
       #innodb_data_home_dir = /var/lib/mysql/
       #innodb_data_file_path = ibdata1:10M:autoextend
       #innodb_log_group_home_dir = /var/lib/mysql/
       #innodb_log_arch_dir = /var/lib/mysql/
       # You can set .._buffer_pool_size up to 50 - 80 %
       # of RAM but beware of setting memory usage too high
       #innodb_buffer_pool_size = 16M
       #innodb_additional_mem_pool_size = 2M
       # Set .._log_file_size to 25 % of buffer pool size
       #innodb_log_file_size = 5M
       #innodb_log_buffer_size = 8M
       #innodb_flush_log_at_trx_commit = 1
       #innodb_lock_wait_timeout = 50
       
       [mysqldump]
       quick
       max_allowed_packet = 16M
       
       [mysql]
       no-auto-rehash
       # Remove the next comment character if you are not familiar with SQL
       #safe-updates
       
       [isamchk]
       key_buffer = 20M
       sort_buffer_size = 20M
       read_buffer = 2M
       write_buffer = 2M
       
       [myisamchk]
       key_buffer = 20M
       sort_buffer_size = 20M
       read_buffer = 2M
       write_buffer = 2M
       
       [mysqlhotcopy]
       interactive-timeout
               
       --------------- /etc/my.cnf --------------- 

Lade das Konfig File indem "MySQL" gestoppt und gestartet wird:

       # service mysqld stop
       Stopping MySQL:  [  OK  ]
       
       # service mysqld start
       Starting MySQL:  [  OK  ]

Kontrolliere das Log File:

       # cat /var/log/mysqld.log
       

Mehr muss für OTRS betreffend "MySQL" momentan nicht durchgeführt werden. Somit sind die Grundkomponenten "Apache" und "MySQL" installiert.

Die OTRS Installation

Installiere nun das RPM für "OTRS". Achte dabei die neuste Version zu installieren. Wenn "wget" nicht installieret ist, installiere dieses anhand "yum":

       # yum install wget

Danach führe folgendes aus:

       # cd /root
       # wget http://ftp.otrs.org/pub/otrs/RPMS/fedora/4/otrs-3.0.11-03.noarch.rpm
       --2012-01-19 12:19:22--  http://ftp.otrs.org/pub/otrs/RPMS/fedora/4/otrs-3.0.11-03.noarch.rpm
       Resolving ftp.otrs.org... 178.63.12.4
       Connecting to ftp.otrs.org|178.63.12.4|:80... connected.
       HTTP request sent, awaiting response... 200 OK
       Length: 19900646 (19M) [application/x-redhat-package-manager]
       Saving to: `otrs-3.0.11-03.noarch.rpm'
       
       100%[=======================================================>] 19,900,646   593K/s   in 33s     
       
       2012-01-19 12:19:55 (593 KB/s) - `otrs-3.0.11-03.noarch.rpm' saved [19900646/19900646]
       ACHTUNG Achte darauf das "selinux" deaktiviert ist (Fall eine Modifikation nötig ist
               betreffend "selinux" muss ein Neustart des Server ausgeführt werden):
       
       # vi /etc/selinux/config
       
       --------------- /etc/selinux/config --------------- 
       
       # This file controls the state of SELinux on the system.
       # SELINUX= can take one of these three values:
       #       enforcing - SELinux security policy is enforced.
       #       permissive - SELinux prints warnings instead of enforcing.
       #       disabled - No SELinux policy is loaded.
       SELINUX=disabled
       # SELINUXTYPE= can take one of these two values:
       #       targeted - Only targeted network daemons are protected.
       #       strict - Full SELinux protection.
       #       mls - Multi Level Security protection.
       SELINUXTYPE=targeted
       # SETLOCALDEFS= Check local definition changes
       SETLOCALDEFS=0
       
       --------------- /etc/selinux/config --------------- 

Bevor das RPM installiert wird kontrolliere die Abhängigkeiten:

       # rpm -qpR /root/otrs-3.0.11-03.noarch.rpm
       perl  
       perl(DBI)  
       perl(DBD::mysql)  
       perl(URI)  
       mod_perl  
       httpd  
       mysql  
       mysql-server  
       procmail  
       perl(Date::Format)  
       perl(LWP::UserAgent)  
       perl(Net::DNS)  
       perl(IO::Socket::SSL)  
       perl(XML::Parser)  
       /bin/sh  
       /bin/sh  
       rpmlib(PayloadFilesHavePrefix) <= 4.0-1
       rpmlib(CompressedFileNames) <= 3.0.4-1
       rpmlib(PayloadIsBzip2) <= 3.0.5-1

Hier werden zwar die Abhängigkeiten aufgezeigt jedoch nicht "welche" noch fehlen sprich zu installieren sind. Führe eine Installation aus um die fehlenden Package zu eruieren:

       # rpm -ivh otrs-3.0.11-03.noarch.rpm
       error: Failed dependencies:
               perl(URI) is needed by otrs-3.0.11-03.noarch
               mod_perl is needed by otrs-3.0.11-03.noarch
               perl(Date::Format) is needed by otrs-3.0.11-03.noarch
               perl(LWP::UserAgent) is needed by otrs-3.0.11-03.noarch
               perl(Net::DNS) is needed by otrs-3.0.11-03.noarch
               perl(IO::Socket::SSL) is needed by otrs-3.0.11-03.noarch
               perl(XML::Parser) is needed by otrs-3.0.11-03.noarch

Installiere die fehlenden Abhängigkeiten anhand Yum:

       # yum install perl-URI
       # yum install mod_perl
       # yum install perl-libwww-perl
       # yum install perl-Net-DNS
       # yum install perl-IO-Socket-SSL
       # yum install perl-XML-Parser
       
       oder
       
       # yum install perl-URI mod_perl perl-libwww-perl perl-Net-DNS perl-IO-Socket-SSL perl-XML-Parser perl-TimeDate
       
       Loaded plugins: fastestmirror, priorities
       Loading mirror speeds from cached hostfile
        * base: mirror.fraunhofer.de
        * epel: mirror.fraunhofer.de
        * extras: mirror.fraunhofer.de
        * rpmfusion-free-updates: download1.rpmfusion.org
        * rpmfusion-free-updates-testing: download1.rpmfusion.org
        * rpmfusion-nonfree-updates: download1.rpmfusion.org
        * rpmfusion-nonfree-updates-testing: download1.rpmfusion.org
        * updates: mirror.fraunhofer.de
       187 packages excluded due to repository priority protections
       Setting up Install Process
       Resolving Dependencies
       --> Running transaction check
       ---> Package mod_perl.i386 0:2.0.4-6.el5 set to be updated
       ---> Package perl-TimeDate.noarch 1:1.16-5.el5 set to be updated
       --> Processing Dependency: perl(BSD::Resource) for package: mod_perl
       ---> Package perl-IO-Socket-SSL.noarch 0:1.01-1.fc6 set to be updated
       --> Processing Dependency: perl(Net::SSLeay) >= 1.21 for package: perl-IO-Socket-SSL
       ---> Package perl-Net-DNS.i386 0:0.59-3.el5 set to be updated
       --> Processing Dependency: perl(Digest::HMAC_MD5) for package: perl-Net-DNS
       --> Processing Dependency: perl(Net::IP) for package: perl-Net-DNS
       ---> Package perl-URI.noarch 0:1.35-3 set to be updated
       ---> Package perl-XML-Parser.i386 0:2.34-6.1.2.2.1 set to be updated
       ---> Package perl-libwww-perl.noarch 0:5.805-1.1.1 set to be updated
       --> Processing Dependency: perl-HTML-Parser >= 3.33 for package: perl-libwww-perl
       --> Processing Dependency: perl(HTML::Entities) for package: perl-libwww-perl
       --> Processing Dependency: perl(Compress::Zlib) for package: perl-libwww-perl
       --> Running transaction check
       ---> Package perl-BSD-Resource.i386 0:1.28-1.fc6.1 set to be updated
       ---> Package perl-Compress-Zlib.i386 0:1.42-1.fc6 set to be updated
       ---> Package perl-Digest-HMAC.noarch 0:1.01-15 set to be updated
       --> Processing Dependency: perl(Digest::SHA1) for package: perl-Digest-HMAC
       ---> Package perl-HTML-Parser.i386 0:3.55-1.fc6 set to be updated
       --> Processing Dependency: perl-HTML-Tagset >= 3.03 for package: perl-HTML-Parser
       --> Processing Dependency: perl(HTML::Tagset) for package: perl-HTML-Parser
       ---> Package perl-Net-IP.noarch 0:1.25-2.fc6 set to be updated
       ---> Package perl-Net-SSLeay.i386 0:1.30-4.fc6 set to be updated
       --> Running transaction check
       ---> Package perl-Digest-SHA1.i386 0:2.11-1.2.1 set to be updated
       ---> Package perl-HTML-Tagset.noarch 0:3.10-2.1.1 set to be updated
       --> Finished Dependency Resolution
       
       Dependencies Resolved
       
       =================================================================================================
        Package                       Arch              Version                   Repository       Size
       =================================================================================================
       Installing:
        mod_perl                      i386              2.0.4-6.el5               base            4.0 M
        perl-IO-Socket-SSL            noarch            1.01-1.fc6                base             49 k
        perl-Net-DNS                  i386              0.59-3.el5                base            215 k
        perl-URI                      noarch            1.35-3                    base            116 k
        perl-XML-Parser               i386              2.34-6.1.2.2.1            base            210 k
        perl-libwww-perl              noarch            5.805-1.1.1               base            376 k
       Installing for dependencies:
        perl-BSD-Resource             i386              1.28-1.fc6.1              base             29 k
        perl-Compress-Zlib            i386              1.42-1.fc6                base             52 k
        perl-Digest-HMAC              noarch            1.01-15                   base             12 k
        perl-Digest-SHA1              i386              2.11-1.2.1                base             48 k
        perl-HTML-Parser              i386              3.55-1.fc6                base             92 k
        perl-HTML-Tagset              noarch            3.10-2.1.1                base             15 k
        perl-Net-IP                   noarch            1.25-2.fc6                base             31 k
        perl-Net-SSLeay               i386              1.30-4.fc6                base
        perl-TimeDate                 noarch            1:1.16-5.el5              base             32 k        
       Transaction Summary
       =================================================================================================
       Install      15 Package(s)
       Upgrade       0 Package(s)
       
       Total download size: 5.4 M
       Is this        ok [y/N]: y
       Downloading Packages:
       (1/15): perl-Digest-HMAC-1.01-15.noarch.rpm                               |  12 kB     00:00     
       (2/15): perl-HTML-Tagset-3.10-2.1.1.noarch.rpm                            |  15 kB     00:00     
       (3/15): perl-BSD-Resource-1.28-1.fc6.1.i386.rpm                           |  29 kB     00:00     
       (4/15): perl-Net-IP-1.25-2.fc6.noarch.rpm                                 |  31 kB     00:00     
       (5/15): perl-Digest-SHA1-2.11-1.2.1.i386.rpm                              |  48 kB     00:00     
       (6/15): perl-IO-Socket-SSL-1.01-1.fc6.noarch.rpm                          |  49 kB     00:00     
       (7/15): perl-Compress-Zlib-1.42-1.fc6.i386.rpm                            |  52 kB     00:00     
       (8/15): perl-HTML-Parser-3.55-1.fc6.i386.rpm                              |  92 kB     00:00     
       (9/15): perl-URI-1.35-3.noarch.rpm                                        | 116 kB     00:00     
       (10/15): perl-Net-SSLeay-1.30-4.fc6.i386.rpm                              | 195 kB     00:00     
       (11/15): perl-XML-Parser-2.34-6.1.2.2.1.i386.rpm                          | 210 kB     00:00     
       (12/15): perl-Net-DNS-0.59-3.el5.i386.rpm                                 | 215 kB     00:00     
       (13/15): perl-libwww-perl-5.805-1.1.1.noarch.rpm                          | 376 kB     00:00     
       (14/15): mod_perl-2.0.4-6.el5.i386.rpm                                    | 4.0 MB     00:07     
       (15/15): perl-TimeDate-1.16-5.el5.noarch.rpm                              |  32 kB     00:00
       -------------------------------------------------------------------------------------------------
       Total                                                            310 kB/s | 5.4 MB     00:17     
       Running rpm_check_debug
       Running Transaction Test
       Finished Transaction Test
       Transaction Test Succeeded
       Running Transaction
         Installing     : perl-Net-SSLeay                                                          1/15 
         Installing     : perl-BSD-Resource                                                        2/15
         Installing     : perl-Digest-SHA1                                                         3/15
         Installing     : perl-Compress-Zlib                                                       4/15 
         Installing     : perl-URI                                                                 5/15 
         Installing     : perl-Digest-HMAC                                                         6/15 
         Installing     : perl-HTML-Tagset                                                         7/15 
         Installing     : perl-Net-IP                                                              8/15 
         Installing     : perl-IO-Socket-SSL                                                       9/15 
         Installing     : perl-HTML-Parser                                                        10/15 
         Installing     : perl-Net-DNS                                                            11/15 
         Installing     : mod_perl                                                                12/15 
         Installing     : perl-libwww-perl                                                        13/15 
         Installing     : perl-XML-Parser                                                         14/15 
         Installing     : perl-TimeDate                                                           15/15 
       
       Installed:
         mod_perl.i386 0:2.0.4-6.el5                    perl-IO-Socket-SSL.noarch 0:1.01-1.fc6         
         perl-Net-DNS.i386 0:0.59-3.el5                 perl-URI.noarch 0:1.35-3                       
         perl-XML-Parser.i386 0:2.34-6.1.2.2.1          perl-libwww-perl.noarch 0:5.805-1.1.1          
       
       Dependency Installed:
         perl-BSD-Resource.i386 0:1.28-1.fc6.1           perl-Compress-Zlib.i386 0:1.42-1.fc6          
         perl-Digest-HMAC.noarch 0:1.01-15               perl-Digest-SHA1.i386 0:2.11-1.2.1            
         perl-HTML-Parser.i386 0:3.55-1.fc6              perl-HTML-Tagset.noarch 0:3.10-2.1.1          
         perl-Net-IP.noarch 0:1.25-2.fc6                 perl-Net-SSLeay.i386 0:1.30-4.fc6             
       
       Complete!

Jetzt installiere OTRS anhand des RPM Befehls:

       # yum --nogpgcheck install otrs-3.0.11-03.noarch.rpm
       Loaded plugins: fastestmirror, priorities
       Loading mirror speeds from cached hostfile
        * base: mirror.fraunhofer.de
        * epel: mirror.fraunhofer.de
        * extras: mirror.fraunhofer.de
        * rpmfusion-free-updates: download1.rpmfusion.org
        * rpmfusion-free-updates-testing: download1.rpmfusion.org
        * rpmfusion-nonfree-updates: download1.rpmfusion.org
        * rpmfusion-nonfree-updates-testing: download1.rpmfusion.org
        * updates: mirror.fraunhofer.de
       addons                                                                    |  951 B     00:00     
       base                                                                      | 1.1 kB     00:00     
       epel                                                                      | 3.7 kB     00:00     
       extras                                                                    | 2.1 kB     00:00     
       rpmfusion-free-updates                                                    | 2.8 kB     00:00     
       rpmfusion-free-updates-testing                                            | 2.8 kB     00:00     
       rpmfusion-nonfree-updates                                                 | 2.8 kB     00:00     
       rpmfusion-nonfree-updates-testing                                         | 2.8 kB     00:00     
       updates                                                                   | 1.9 kB     00:00     
       187 packages excluded due to repository priority protections
       Setting up Install Process
       Examining otrs-3.0.11-03.noarch.rpm: otrs-3.0.11-03.noarch
       Marking otrs-3.0.11-03.noarch.rpm to be installed
       Resolving Dependencies
       --> Running transaction check
       ---> Package otrs.noarch 0:3.0.11-03 set to be updated
       --> Finished Dependency Resolution
       
       Dependencies Resolved
       
       =================================================================================================
        Package         Arch              Version               Repository                         Size
       =================================================================================================
       Installing:
        otrs            noarch            3.0.11-03             /otrs-3.0.11-03.noarch             73 M
       
       Transaction Summary
       =================================================================================================
       Install       1 Package(s)
       Upgrade       0 Package(s)
       
       Total size: 73 M
       Is this ok [y/N]: y
       
       Downloading Packages:
       Running rpm_check_debug
       Running Transaction Test
       Finished Transaction Test
       Transaction Test Succeeded
       Running Transaction
       Check OTRS user ... otrs added.
         Installing     : otrs                                                                      1/1 
       
       Next steps: 
       
       [httpd services]
        Restart httpd 'service httpd restart'
       
       [mysqld service]
        Start mysqld 'service mysqld start'
       
       [install the OTRS database]
        Use a webbrowser and open this link:
        http://ticket.execure.intra/otrs/installer.pl
       
       [OTRS services]
        Start OTRS: 'service otrs start' (service otrs {start|stop|status|restart).
       
       ((enjoy))
       
        Your OTRS Team
       
       
       Installed:
         otrs.noarch 0:3.0.11-03                                                                        
       
       Complete!

"Apache" und "MySQL" wurden neu gestartet nach der OTRS Installation. Sichere das Konfig File des "Apache":

       # cp /etc/httpd/conf/httpd.conf /etc/httpd/conf/httpd.conf.back

Editiere nun das Konfig File des "Apache" auf folgenden Positionen (Minimum requirements):

       # vi /etc/httpd/conf/httpd.conf
       
       --------------- /etc/httpd/conf/httpd.conf ---------------
       
       ServerAdmin netadmin@execure.ch
       ServerName ticket.execure.intra:80
       Listen 10.150.0.13:80
       
       --------------- /etc/httpd/conf/httpd.conf ---------------

Starte "Apache" neu damit die Modifikationen aktiviert werden:

       # service httpd restart
       Stopping httpd: [  OK  ]
       Starting httpd: [  OK  ]

Kontrolliere das Log:

       # cat /var/log/httpd/error_log

Die OTRS Grundkonfiguration

Nun werden wir OTRS anhand eines WebInstallers konfigurieren:

       http://ticket.execure.intra/otrs/installer.pl
       Datei:OTRS-Install-01.jpg

Akzeptiere die Lizenzvereinbarung:

       Datei:OTRS-Install-02.jpg

Setze das "root" Passwort, dass bei der "MySQL" Initierung (Secure script) gesetzt wurde:

       Datei:OTRS-Install-03.jpg

Setze nun einen OTRS Datenbank Benutzer mit dessen Passwort:

       Datei:OTRS-Install-04.jpg
       
       Datei:OTRS-Install-05.jpg

Gebe nun für OTRS allgemeine Angaben an:

       Datei:OTRS-Install-06.jpg

Ueberspringe diese Konfig da wir für die Uebermittlung "postfix" benutzen werden:

       Datei:OTRS-Install-07.jpg
       
       Datei:OTRS-Install-08.jpg

Die Webinstaller Konfig wurde durchgeführt. Nun kann auf folgenden Link verbunden werden mit folgenden Zugangsinfos:

       Startseite: http://ticket.execure.intra/otrs/index.pl 
       Benutzer:   root@localhost 
       Passwort:   root 

Die Mail Konfiguration

Damit die Mail korrekt uebermittelt werden dh. in das OTRS installieren Postfix:

       # yum install postfix
       Loaded plugins: fastestmirror, priorities
       Loading mirror speeds from cached hostfile
        * base: mirror.fraunhofer.de
        * epel: mirror.fraunhofer.de
        * extras: mirror.fraunhofer.de
        * rpmfusion-free-updates: download1.rpmfusion.org
        * rpmfusion-free-updates-testing: download1.rpmfusion.org
        * rpmfusion-nonfree-updates: download1.rpmfusion.org
        * rpmfusion-nonfree-updates-testing: download1.rpmfusion.org
        * updates: mirror.fraunhofer.de
       187 packages excluded due to repository priority protections
       Setting up Install Process
       Resolving Dependencies
       --> Running transaction check
       ---> Package postfix.i386 2:2.3.3-2.3.el5_6 set to be updated
       --> Finished Dependency Resolution
       
       Dependencies Resolved
       
       =================================================================================================
        Package              Arch              Version                          Repository         Size
       =================================================================================================
       Installing:
        postfix              i386              2:2.3.3-2.3.el5_6                base              3.5 M
       
       Transaction Summary
       =================================================================================================
       Install       1 Package(s)
       Upgrade       0 Package(s)
       
       Total download size: 3.5 M
       Is this ok [y/N]: y
       Downloading Packages:
       postfix-2.3.3-2.3.el5_6.i386.rpm                                          | 3.5 MB     00:06     
       Running rpm_check_debug
       Running Transaction Test
       Finished Transaction Test
       Transaction Test Succeeded
       Running Transaction
         Installing     : postfix                                                                   1/1 
       
       Installed:
         postfix.i386 2:2.3.3-2.3.el5_6                                                                 
       
       Complete!

Kontrolliere ob der Service korrekt läuft:

       # chkconfig --list postfix
       postfix         0:off   1:off   2:on    3:on    4:on    5:on    6:off
       

Modifiziere die globalen Konfig Files von Postfix:

       # grep -v \# main.cf
       
       --------------- /etc/master.cf ---------------
            
       queue_minfree = 41943040
       
       message_size_limit = 20971520
       
       queue_directory = /var/spool/postfix
       
       command_directory = /usr/sbin
       
       daemon_directory = /usr/libexec/postfix
       
       mail_owner = postfix
       
       myhostname = ticket.execure.intra
       
       mydomain = execure.intra
       
       inet_interfaces = $myhostname, localhost
       
       mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
       
       unknown_local_recipient_reject_code = 550
       
       relay_domains = $mydestination
       
       relayhost = srv711.execure.intra
       
       alias_maps = hash:/etc/aliases, hash:/etc/postfix/otrs-aliases
       
       alias_database = hash:/etc/aliases, hash:/etc/postfix/otrs-aliases
       
       smtpd_banner = $myhostname ESMTP
       
       debug_peer_level = 2
       
       debugger_command =
                PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
                xxgdb $daemon_directory/$process_name $process_id & sleep 5
       
       sendmail_path = /usr/sbin/sendmail.postfix
       
       newaliases_path = /usr/bin/newaliases.postfix
       
       mailq_path = /usr/bin/mailq.postfix
       
       setgid_group = postdrop
       
       html_directory = no
       
       manpage_directory = /usr/share/man
       
       sample_directory = /usr/share/doc/postfix-2.3.3/samples
       
       readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES
       
       transport_maps = hash:/etc/postfix/transport
       transport_database = hash:/etc/postfix/transport
       
       --------------- /etc/master.cf ---------------
       # grep -v \# master.cf
       
       --------------- /etc/master.cf ---------------
       
       smtp      inet  n       -       n       -       -       smtpd
       pickup    fifo  n       -       n       60      1       pickup
       cleanup   unix  n       -       n       -       0       cleanup
       qmgr      fifo  n       -       n       300     1       qmgr
       tlsmgr    unix  -       -       n       1000?   1       tlsmgr
       rewrite   unix  -       -       n       -       -       trivial-rewrite
       bounce    unix  -       -       n       -       0       bounce
       defer     unix  -       -       n       -       0       bounce
       trace     unix  -       -       n       -       0       bounce
       verify    unix  -       -       n       -       1       verify
       flush     unix  n       -       n       1000?   0       flush
       proxymap  unix  -       -       n       -       -       proxymap
       smtp      unix  -       -       n       -       -       smtp
       relay     unix  -       -       n       -       -       smtp
               -o fallback_relay=
       showq     unix  n       -       n       -       -       showq
       error     unix  -       -       n       -       -       error
       discard   unix  -       -       n       -       -       discard
       local     unix  -       n       n       -       -       local
       virtual   unix  -       n       n       -       -       virtual
       lmtp      unix  -       -       n       -       -       lmtp
       anvil     unix  -       -       n       -       1       anvil
       scache    unix  -       -       n       -       1       scache
       maildrop  unix  -       n       n       -       -       pipe
         flags=DRhu user=vmail argv=/usr/local/bin/maildrop -d ${recipient}
       old-cyrus unix  -       n       n       -       -       pipe
         flags=R user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -m ${extension} ${user}
       cyrus     unix  -       n       n       -       -       pipe
         user=cyrus argv=/usr/lib/cyrus-imapd/deliver -e -r ${sender} -m ${extension} ${user}
       uucp      unix  -       n       n       -       -       pipe
         flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
       ifmail    unix  -       n       n       -       -       pipe
         flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
       bsmtp     unix  -       n       n       -       -       pipe
         flags=Fq. user=foo argv=/usr/local/sbin/bsmtp -f $sender $nexthop $recipient
       
       --------------- /etc/master.cf ---------------
       # vi /etc/postfix/otrs-aliases
       
       --------------- /etc/postfix/otrs-aliases ---------------
       
       support:        "|/opt/otrs/bin/otrs.PostMaster.pl"
       
       --------------- /etc/postfix/otrs-aliases ---------------
       
       # /usr/sbin/postmap -v /etc/postfix/otrs-aliases
       # vi /etc/postfix/transport
       
       --------------- /etc/postfix/transport ---------------
       
       execure.ch      :[FQDN Exchange]
       
       --------------- /etc/postfix/transport ---------------
       
       # /usr/sbin/postmap -v /etc/postfix/transport

Kontrolliere das Log:

       # /var/log/maillog

OTRS ist in der Lage, E-Mails über ein Kommandozeilen-Programm (bin/otrs.PostMaster.pl) zu empfangen. Es nimmt die Mails über STDIN entgegen und fügt sie direkt in das OTRS-System ein. Das bedeutet, dass E-Mails im OTRS angezeigt werden, wenn der MDA (mail delivery agent) die E-Mails an bin/otrs.PostMaster.pl" weiterleitet.

Um dies zu testen kann folgendes ausgeführt werden:

       # cd bin
       # cat ../doc/sample_mails/test-email-1.box | ./otrs.PostMaster.pl
       #

Nun logge ein auf dem OTRS und gehe nach:

       Tickets > Ansicht nach Queus

Danach klicke auf "Raw" und dort sieht man -sofern alle Perl Module installiert sind das Test Mail:

       Von: System Tester I
       An: darthvader@otrs.org
               
       This is the first test.        
        
       Adios ... 
       
         Little "Skywalker"
        
       --
        System Tester I - <skywalker@otrs.org>
        --
        Old programmers never die. They just branch to a new address.

Die Uebermittlung der Mails steht ebenfalls im Zusammenhang mit der folgenden Datei:

       /opt/otrs/.procmailrc

In dieser Datei muessen folgende Eintraege vorhanden sein:

       --------------- /opt/otrs/.procmailrc ---------------
       
       SYS_HOME=$HOME
       PATH=/bin:/usr/bin:/usr/local/bin
       # --
       # Pipe all email into the PostMaster process.
       # --
       :0 :
       | $SYS_HOME/bin/otrs.PostMaster.pl
       
       --------------- /opt/otrs/.procmailrc ---------------

Die Cron Installation

OTRS Installation benötigt für bestimmte Funktionen bestimmte immer wiederkehrende Funktionen wie "Queque" Optimierung! Diese Funktionen findet man im Verzeichnis:

       /opt/otrs/var/cron

In diesem Verzeichnis existieren die zuständigen Scripts für die zuständigen Funktionen:

       -rw-rw-r--  1 otrs apache  426 Oct 11 14:11 aaa_base
       -rw-rw-r--  1 otrs apache  546 Oct 11 14:11 cache
       -rw-rw-r--  1 otrs apache  562 Oct 11 14:11 fetchmail
       -rw-rw-r--  1 otrs apache  696 Oct 11 14:11 generic_agent
       -rw-rw-r--  1 otrs apache  515 Oct 11 14:11 generic_agent-database
       -rw-rw-r--  1 otrs apache  490 Oct 11 14:11 pending_jobs
       -rw-rw-r--  1 otrs apache  630 Oct 11 14:11 postmaster
       -rw-rw-r--  1 otrs apache  506 Oct 11 14:11 postmaster_mailbox
       -rw-rw-r--  1 otrs apache  487 Oct 11 14:11 rebuild_ticket_index
       -rw-rw-r--  1 otrs apache  509 Oct 11 14:11 session
       -rw-rw-r--  1 otrs apache  493 Oct 11 14:11 unlock

Die einzelnen Scripts haben die folgenden Funktionen:

       Script                     Function  
       aaa_base                   Sets the basics for the crontab of the OTRS user.  
       fetchmail                  Used only if new mails will be fetched with fetchmail into the ticket system.  
       generic_agent              Executes the jobs of the GenericAgent that are not stored in the database but in own config files.  
       generic_agent-database     Executes the jobs of the GenericAgent that are stored in the database.  
       pending_jobs               Checks in the system for pending tickets.  
       postmaster                 Checks the message queue of the ticket system and delivers messages that are still in the queues.  
       postmaster_pop3            Fetches the mails from the POP3 accounts that were specified in the admin area, in the section for "PostMaster POP3 Account".  
       rebuild_ticket_index       Rebuilds the ticket index, which improves the speed of the QueueView.  
       session                    Removes old and no longer needed session ID's.  
       unlock                     Unlocks tickets in the system. 

Diese Scripts werden wiederum gesteuern resp. ausgeführt über das folgende Script:

       /opt/otrs/bin/Cron.sh

Möchte man das Script auf Kommandozeile ausführen so muss das Kommando folgendermassen lauten:

       # sh -x /opt/otrs/bin/Cron.sh otrs
       ++ whoami
       + CURRENTUSER=root
       + CRON_USER=otrs
       + test -n otrs
       + test root '!=' root
       + test -z otrs
       ++ dirname Cron.sh
       + cd ./../
       ++ pwd
       + OTRS_HOME=/opt/otrs
       + cd -
       /opt/otrs/bin
       + test -e /opt/otrs/var/cron
       + OTRS_ROOT=/opt/otrs
       + CRON_DIR=/opt/otrs/var/cron
       + CRON_TMP_FILE=/opt/otrs/var/tmp/otrs-cron-tmp.5230
       + echo 'Cron.sh - start/stop OTRS cronjobs - <$Revision: 1.19 $> '
       Cron.sh - start/stop OTRS cronjobs - <$Revision: 1.19 $> 
       + echo 'Copyright (C) 2001-2009 OTRS AG, http://otrs.org/'
       Copyright (C) 2001-2009 OTRS AG, http://otrs.org/
       + case "$1" in
       + test -n otrs
       + CRON_USER=' -u otrs'
       + mkdir -p /opt/otrs/var/cron
       + cd /opt/otrs/var/cron
       + ls -d aaa_base cache fetchmail generic_agent generic_agent-database pending_jobs postmaster postmaster_mailbox         rebuild_ticket_index session unlock
       + grep -v .dist
       + grep -v .rpm
       + xargs cat
       + grep -v CVS
       + crontab -u otrs /opt/otrs/var/tmp/otrs-cron-tmp.5230
       + rm -rf /opt/otrs/var/tmp/otrs-cron-tmp.5230
       + echo '(using /opt/otrs) done'
       (using /opt/otrs) done
       + exit 0 

Führt man dieses Kommando aus so wird ein File erzeugt im "/var/spool/cron" das die nötigen Anweisungen enthält. Dies bedeutet wird das Verzeichnis modifiziert in "/opt/otrs/var/cron" so muss dieses Script "Cron.sh" wiederum ausgeführt werden oder das File in "/var/spool/cron/otrs" muss modifiziert werden. Wenn bestimmte Scripts nicht ausgeführt werden soll so modifiziere das File "/var/spool/cron/otrs" oder benenne das nicht benötigte Script um in *.dist zB :

       # mv /opt/otrs/var/cron/fetchmail /opt/otrs/var/fetchmail.dist
       # mv /opt/otrs/var/cron/unlock /opt/otrs/var/cron/unlock.dist

Nachträgliche führe wiederum den Cron.sh Befehl aus:

       # /opt/otrs/bin/Cron.sh start otrs

Nun kontrolliere das Cron Script das angelegt wurde:

       # more /var/spool/cron/otrs

Sofern alles ok starte den Cron Job neu:

       # service crond restart