1. prereqs

source /etc/cid.conf
curl -s http://${rdsserver}/sharel/bin/inst-httpd | sh
curl -s http://${rdsserver}/sharel/bin/inst-mariadb-server | sh
echo "#" > /etc/my.cnf.d/otrs.cnf
echo "[mysqld]" >> /etc/my.cnf.d/otrs.cnf
echo "max_allowed_packet   = 64M" >> /etc/my.cnf.d/otrs.cnf
echo "query_cache_size     = 32M" >> /etc/my.cnf.d/otrs.cnf
echo "innodb_log_file_size = 256M" >> /etc/my.cnf.d/otrs.cnf
echo "character-set-server = utf8" >> /etc/my.cnf.d/otrs.cnf
echo "collation-server     = utf8_unicode_ci" >> /etc/my.cnf.d/otrs.cnf
rm -fv /var/lib/mysql/ib_logfile*
systemctl restart mariadb.service

2. installation

rpmname="$(lftp -c "open https://ftp.otrs.org/pub/otrs/RPMS/rhel/7/; ls;" | tail -n1 | awk '{print $3}')"
yum -y install http://ftp.otrs.org/pub/otrs//RPMS/rhel/7/${rpmname}
  Installing : otrs-6.0.24-01.noarch                                                                                        150/150

Next steps:

[restart web server]
 systemctl restart apache2.service

[install the OTRS database]
 Make sure your database server is running.
 Use a web browser and open this link:

[start OTRS daemon and corresponding watchdog cronjob]
 /opt/otrs/bin/otrs.Daemon.pl start
 /opt/otrs/bin/Cron.sh start

 Your OTRS Team
yum -y install "perl(Crypt::Eksblowfish::Bcrypt)" \
               "perl(DBD::Pg)" \
               "perl(Encode::HanExtra)" \
               "perl(JSON::XS)" \
               "perl(Mail::IMAPClient)" \
               "perl(Authen::NTLM)" \
               "perl(ModPerl::Util)" \
               "perl(Text::CSV_XS)" \
systemctl reload httpd.service xx











3. service

runuser -l otrs -c 'bin/otrs.Daemon.pl start'

4. references