how to install Varnish with Apache on Ubuntu

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Varnish is an amazing frontend cache that is useful for serving static pages and reducing load for your server. In classes of high server task and traffic, Varnish could be a existence saver. additionally, Varnish is extremely quick and effective at decreasing your web page load occasions, which helps together with your search engines like google and improves user experience. 1. Add the Varnish Repository Varnish can be put in with the aid of adding the Varnish repository to your sources and the use of apt-get to install it. so as to add the repository, run the next command: 1 $ sudo curl http://repo.varnish-cache.org/debian/GPG-key.txt checklist of apt Sources Open the /and so on/apt/sources.record for your favourite text editor so we can add the Varnish repository. 1 $ sudo vim /and many others/apt/sources.record next, add the Varnish repository on the end of the file. 1 $ deb http://repo.varnish-cache.org/ubuntu/ lucid varnish-three.0 shop your work and exit out to the command line. 3.  set up Varnish Use the same old apt-get to put in Varnish. 1 2 $ sudo apt-get update $ sudo apt-get install varnish 4. Configure Varnish DAEMON_OPTS Now it’s time to configure Varnish. This course of will fluctuate depending upon your CMS and/or framework and the way your web site is set up, however we will get you started with a general configuration. Open the /and so on/default/varnish file: 1 $ sudo vim /and so on/default/varnish search for “different 2” and uncomment the following code. trade the ports as important. 1 2 3 four 5 DAEMON_OPTS=”-a :80 -T localhost:6082 -f /and many others/varnish/default.vcl -S /etc/varnish/secret -s malloc,256m” principally, we are atmosphere Varnish to use Port eighty, the use of /and so on/varnish/default.vcl as our configuration file, and allocating 256MB of reminiscence. 5. Varnish VCL Configuration The VCL file in Varnish is very vital and permits for terribly explicit configurations indicating which pages to cache, the way to treat cookies, what to do about different consumer-sellers, and so on. the fundamentals can be lined right here, however it is important to seem to be closely at the VCL file one day to get best performance. Don’t worry because it’s straightforward and you are able to do it! Open the VCL file: 1 $ sudo vim /etc/varnish/default.vcl Now we now have to tell Varnish where to take hold of content to your web site. right here we are the use of the same server and we can arrange Apache on port 8888. 1 2 three four backend default   .host = “127.0.0.1”;   .post = “8888”; store and exit the file. 6. alternate the Apache Ports by using default, Apache is configured to run on Port 80. we can alternate the port to be 8888. Open the Apache ports file: 1 $ sudo vim /etc/apache2/ports.conf Now look for the NameVirtualHost and pay attention strains and alter them to Port 8888. 1 2 NameVirtualHost 127.zero.0.1:8888 hear 127.zero.0.1:8888 7. in the digital Host, trade the Port to 8888 in the settings to your virtual host, you will need to tell Apache to seem on Port 8888. 1 $ sudo vim /etc/apache2/sites-on hand/default Now change the port: 1 store and exit the file. eight. Restart Apache and polish 1 2 $ sudo provider apache2 restart $ sudo provider varnish restart 9. Watch in Amazement on the small print of your Varnish Server working you could test in on Varnish with its built-in stats readout. 1 $ varnishstat you’re finished! That was once easy wasn’t it? Now you’re well in your strategy to having a quick and environment friendly server configuration.

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