Installation and configuration of Varnish 3
In this article you can learn how to install and configure Varnish cache. Varnish cache is very important as it is an accelerator for web applications known as the proxy, it temporarily stores the contents and also accelerates the delivery process from 300 - 1000x.
This section can not access it unless you access the root of the ability to perform any of the procedures described in the following lines since you can not control it through the WHM interface.
Processing steps:
At first, Apache must be ready before performing the installation to avoid port conflicts.
Step 1: Log on to the server's command-line interface as a primary user.
Step 2: Edit the following file.
vim /var/cpanel/cpanel.config
Step 3: Find the "apache_port" line and change it to
apache_port = 0.0.0.0: 8081
Step 4: Press the Save button
Step 5: To update the settings, run the following command.
/ usr / local / cpanel / whostmgr / bin / whostmgr2 --updatetweaksettings
Installation steps:
In the following steps you can learn how to install varnish 3 on your dedicated server.
Step 1: Check the CentOS version by running the following command.
Cat / etc / centos-release
CentOS 6.7 (Final)
Step 2: Add the varnish repositories to your server by using the following command.
CentOS 6 - rpm --nosignature -i http://repo.varnish-cache.org/redhat/varnish-3.0/el6/noarch/varnish-release/varnish-release-3.0-1.el6.noarch.rpm
CentOS 5 - rpm --nosignature -i http://repo.varnish-cache.org/redhat/varnish-3.0/el5/noarch/varnish-release/varnish-release-3.0-1.el5.centos.noarch.rpm
Select the command based on your version type.
Step 3: Install the varnish by running the following command
yum install varnish
Steps to order:
Step 1: Edit the file through the following command.
vim / etc / sysconfig / varnish
Step 2: At the bottom of the file, add the following lines.
(After line # DAEMON_OPTS = "").
DAEMON_OPTS = "- a: 80 \
-T localhost: 6082 \
-b localhost: 8081 \
-u varnish -g varnish \
-s file, / var / lib / varnish / varnish_storage.bin, 2G "
-s file, / var / lib / varnish / varnish_storage.bin, 2G "
Step 3: Save the file.
Step 4: Do the following services to restart to make sure that the changes take effect.
service varnish restart
service httpd restart