系统版本

[root@cdh111 ~]# uname -a
Linux cdh111 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

安装运行环境(建议单独安装mysql，传送门点这)：

[root@cdh111 ~]# yum -y install sendmail setuptool httpd mysql-server mysql mod_perl perl-Net-DNS perl-XML-Parser perl-DateTime perl-TimeDate perl-IO-Socket-SSL perl-DateTime-Format-Builder perl-Apache-DBI
[root@cdh111 ~]# yum -y install perl perl-Crypt-SSLeay perl-Digest-SHA perl-Net-LDAP procmail perl-core perl-LDAP perl-Encode-HanExtra perl-GD perl-JSON-XS perl-Mail-IMAPClient perl-PDF-API2 perl-PDF-API2-Text-CSV_XS
[root@cdh111 ~]# yum -y install perl-YAML-XS perl-YAML gcc gcc-c++
[root@cdh111 ~]# yum -y install system-config-firewall-base system-config-date system-config-firewall system-config-firewall-tui system-config-network-tui system-config-services system-config-services-docs
[root@cdh111 ~]# yum -y install perl*

静静地等待安装完

[root@cdh111 ~]# yum install -y bash-completion
[root@cdh111 ~]# wget http://ftp.otrs.org/pub/otrs/RPMS/rhel/7/otrs-5.0.22-01.noarch.rpm
[root@cdh111 ~]# rpm -ivh otrs-5.0.22-01.noarch.rpm
[root@cdh111 ~]# service httpd restart
[root@cdh111 ~]# su otrs
[root@cdh111 ~]# /opt/otrs/bin/otrs.Daemon.pl start
[root@cdh111 ~]# /opt/otrs/bin/Cron.sh start