Syslog-ng-RHEL_Install.txt

Install EPEL for the addiitonal YUM Repos:

$ wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

Use yum to install the rpm into the local system:

$ yum locallinstall epel-release-latest-7.noarch.rpm

Syslog-ng requires the libnet dependency:

$ wget http://mirror.centos.org/centos/7/os/x86_64/Packages/libnet-1.1.6-7.el7.x86_64.rpm

Again use yum to install the rpm into the local system:

$ yum locallinstall libnet-1.1.6-7.el7.x86_64.rpm

Use yum to install syslog-ng & dependendicy 

$ yum install syslog-ng syslog-ng-libdbi

disable rsyslog:

$ chkconfig rsyslog off

verify check config

$ chkconfig --list rsyslog

enable syslog-ng logger:

$ chkconfig syslog-ng on

verify change to check config:

$ chkconfig --list syslog-ng

Stop the rsyslog service:

$ service rsyslog stop

Start the syslog-ng service:

$ service syslog-ng start

Check the configuration of syslog-ng:

$ cd /etc/syslog-ng/

copy the make a copy of the file that ships with syslog-ng

$ cp syslog-ng.conf syslog-ng.conf.orgin

edit the default configuration and customize it for your environment:

$ vi syslog-ng.conf

Once you've made the changes to the configuration file restart the service so the new rules will run in the daemon.

$ service syslog-ng restart