How To Install Varnish on Fedora 23

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Note:

Please note that this article is considered legacy documentation because Fedora 23 has reached its end-of-life support.

Varnish is a web accelerator, specifically a caching HTTP reverse proxy, designed to improve performance for busy, dynamic websites. By redirecting traffic to static pages whenever possible, Varnish reduces the number of dynamic page calls, thus reducing load.

Pre-Flight Check

These instructions are intended specifically for installing varnish on Fedora 23. If you’re using a different operating system, check out our guides to installing varnish on Fedora 21 or CentOS 7.
We’ll be working as root on a Liquid Web Self Managed Fedora 23 server. Apache and PHP already are installed, configured, and running.

Step #1: Install Varnish

A single command installs Varnish: dnf -y install varnish

Step #2: Start Varnish

To configure varnish to start at boot, run the following command: systemctl enable varnish That should return output similar to:

[root@host ~]# systemctl enable varnish
Created symlink from /etc/systemd/system/multi-user.target.wants/varnish.service to /usr/lib/systemd/system/varnish.service.

To start Varnish: systemctl start varnish To check the status of Varnish: systemctl status varnish Varnish is configured to listen on port 6081 by default. It expects your web server to be listening on port 8080.

Step #3: Configuration File Locations

A basic and default configuration file can be found at: /etc/varnish/default.vcl An example configuration can be found in: /usr/share/doc/varnish/example.vcl