How to Install Squid Proxy Server on Ubuntu 16.04

Reading Time: 6 minutes

A Squid Proxy Server is a feature rich web server application that provides both reverse proxy services and caching options for websites. This provides a noticeable speedup of sites and allows for reduced load times when being utilized.

Squids reverse proxy is a service that sits between the Internet and the webserver (usually within a private network) that redirects inbound client requests to a server where data is stored for easier retrieval. If the caching server (proxy) does not have the cached data, it then forwards the request on to the webserver where the data is actually stored. This type of caching allows for the collection of data and reproducing the original data values stored in a different location to provide for easier access.

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How to Use Let’s Encrypt with Cloudflare

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lets encrypt logo

Cloudflare is an excellent and well-known content delivery network. A CDN can increase site speed by utilizing Cloudflare’s global caching network to deliver content closer to a visitor’s location.

You can also easily attach Cloudflare as an add-on product to your existing Liquid Web server, but there are some configurations to consider.

cloudflare logo

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Configure Apache 2 to Control Browser Caching

Reading Time: 9 minutes

Today we are configuring browser caching control on common Apache 2 servers. Caching is a great tool to reduce server resource consumption, bandwidth utilization and provide a faster end-user experience to visitors. To get familiar with caching concepts, simply review our ‘What is Caching?’ tutorial. Continue reading “Configure Apache 2 to Control Browser Caching”

Using W3 Total Cache on Cloud Sites

Reading Time: 2 minutes

Cloud Sites has a unique infrastructure setup that requires specific settings for the page cache to provide the best experience for a given site. Please use these settings when you are configuring W3 Total Cache instead of any other settings. These directions will provide an optimized configuration for W3 Total Cache on the Cloud Sites platform. This article assumes you have already installed the W3 Total Cache plugin. Continue reading “Using W3 Total Cache on Cloud Sites”

How to Install the Memcached PHP Extension on Ubuntu 15.04

Reading Time: 1 minute

Memcached is a distributed, high-performance, in-memory caching system that is primarily used to speed up sites that make heavy use of databases. It can, however, be used to store objects of any kind. Nearly every popular CMS has a plugin or module to take advantage of Memcached, and many programming languages have a Memcached library, including PHP, Perl, Ruby, and Python. Memcached runs in memory and is thus quite speedy since it does not need to write data to disk.

Pre-Flight Check

  • These instructions are intended specifically for installing the Memcached PHP Extension on a single Ubuntu 15.04 node.
  • I’ll be working from a Liquid Web Core Managed Ubuntu 15.04 server, and I’ll be logged in as root.
  • Follow our tutorial on How to Install Memcached on Ubuntu 15.04 prior to this KB!

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How to Install XCache on Ubuntu 15.04

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Note:
Please note that this article is considered legacy documentation because Ubuntu 15.04 has reached its end-of-life support.

Pre-Flight Check

  • These instructions are intended specifically for installing XCache, an open-source opcode cacher, on Ubuntu 15.04.
  • I’ll be working from a Liquid Web Self Managed Ubuntu 15.04 server with Apache and PHP installed, and I’ll be logged in as non-root user. If you need more information then visit our tutorial on How to Add a User and Grant Root Privileges on Ubuntu 15.04.

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How to Install Memcached on Ubuntu 15.04

Reading Time: 1 minute

Memcached is a distributed, high-performance, in-memory caching system that is primarily used to speed up sites that make heavy use of databases. It can however be used to store objects of any kind. Nearly every popular CMS has a plugin or module to take advantage of memcached, and many programming languages have a memcached library, including PHP, Perl, Ruby, and Python. Memcached runs in memory and is thus quite speedy, since it does not need to write data to disk.

Pre-Flight Check

  • These instructions are intended specifically for installing Memcached on a single Ubuntu 15.04 node.
  • I’ll be working from a Liquid Web Core Managed Ubuntu 15.04 server, and I’ll be logged in as root.

Continue reading “How to Install Memcached on Ubuntu 15.04”

What is Caching?

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Caching Defined

Caching, as it pertains to hosting a website, is the temporary storage of content. This content could be images, files, bits of PHP scripts that are precompiled, HTML pages, results of database queries, and other web objects.

Why Use Caching?

Caching quickens the responsiveness of your website. You’ll also hear this concept referred to as: reducing latency, eliminating redundant processing steps, improving responsiveness, or reducing load times.

Continue reading “What is Caching?”