Howtos / Articles

Enable workspaces in Ubuntu 13.04

Since upgrading my Ubuntu desktop from 12.10 to 13.04, my workspaces disappeared. It turns out that Ubuntu 13.04 disables workspaces by default. Thankfully it can easily be enabled again. Follow the steps below to enable workspaces on Ubuntu 13.04.…

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Generate random passwords on Ubuntu

The ‘makepasswd’ package on Ubuntu can be used to easily generate random passwords. This package is part of the Ubuntu repositories, however probably wont be installed by default. It also has the ability to generate MD5 hashes of the random passwords. Install makepasswd: $ sudo apt-get -y install makepasswd Generate a random password: You can now run makepasswd to generate a random password. $ makepasswd Example output: $ makepasswd 6HL5y9F9sC Generate 5 random passwords: $ makepasswd –count=5 Example output: $…

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Load Balancing with Nginx

Nginx is a high performance web server, which can also act as a great reverse proxy. Reverse proxy’s are placed in front of the web server handling the processing, to speed the site up, by either caching data, and/or load balancing across multiple back-end web servers. This howto will outline the steps required to set up Nginx as a load balancing reverse proxy.…

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Increase PHP Upload Limit on Ubuntu 13.04

A default installation of PHP and Apache on a Ubuntu 13.04 will set a maximum upload limit of 2MB. Quite often you will want to increase this to a larger size. How high you set this limit will depend on your requirements. This howto guide will step you through the process to increase the PHP upload limit.…

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Enable Apache Rewrite module on Ubuntu 13.04

By default, Ubuntu 13.04 doesn’t enable the rewrite engine module after installing Apache. The rewrite engine for Apache allows for on-the-fly URL rewriting/changing. This allows for the use of urls that are human readable, and SEO friendly. The rewrite engine is capable of capturing a website request, running it through a series of expression checks, and if a match is found, it will pass on the rewritten request to the web server. The end user would not notice anything different…

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