inside the mind of a linux admin

Howto: Install Firefox 6 on Ubuntu via PPA

I just upgraded to Firefox 6 on Ubuntu. The new version doesn’t have any major interface changes but is 20% faster than Firefox 5. Startup time has also been improved especially for those like me with a lot of tabs and groups. Firefox 6 uses about 8% less resources than the older version so it […]

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How to migrate a Virtuozzo VPS to OpenVZ

To migrate from Virtuozzo VPS to OpenVZ you must “rsync” root area to private area to avoid incompatibility of OpenVZ and Virtuozzo Cache Templates. 1. Create your VPS with id 3 using your desired template (for example) # vzctl create 3 –ostemplate ubuntu-11.04-x86_64 –conf unlimited Creating container private area (ubuntu-11.04-x86_64) Performing postcreate actions Saved parameters […]

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Full Graphite and statds installation on CentOS

Graphite is a highly scalable real-time graphing system. We use it to graph all sorts of metrics. Basically, you write an application that collects numeric time-series data that you are interested in graphing, and send it to Graphite’s processing backend, carbon, which stores the data in Graphite’s specialized database. The data can then be visualized […]

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How to “Git” your own repository

Git is a distributed revision control system with an emphasis on speed. Git was initially designed and developed by Linus Torvalds for Linux kernel development. This guide will walk you through the basics of getting up and running with git. First, you’ll need to install the client. If you’re using Ubuntu, you’ll want apt-get. Obviously […]

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Advanced Bash Scripting: variable within a variable

Many folks will know this in many other programming languages (C, C++, etc) as a “pointer”, but what if you’re a bash kid at heart and you want to define a variable within a variable? I encountered this exact quandary today while coding a pretty sophisticated script which reaches back into the past for data. […]

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Unity sucks: Install Gnome 3 on Ubuntu 11.04

As you’re probably aware, the latest Ubuntu version looks very different. This isn’t a coincidence, they’ve changed from Gnome to Unity. Since Ubuntu started to build their own shell Unity, they have ditched Gnome shell entirely. You won’t even find Gnome 3 on the official repos! Many people within my industry and within the Linux […]

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Pandora on Linux: pianobar

“pianobar” is a free/open-source, console-based replacement for pandora’s flash player. “pianobarfly” is a patched version of it, which adds some pretty awesome features including capturing music from your stream into a local .mp3 file format. Features – play and manage (create, add more music, delete, rename, …) your stations – rate played songs and let […]

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Unity: Move vertical launcher to another monitor

Those of you making the conversion from gnome to unity in this latest Ubuntu release will notice quite a few changes. When I installed 11.04 on my office workstation (with dual monitors), Unity’s vertical launcher appeared in the middle of the two screens (on the very left of the right hand monitor). This is probably […]

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Ubuntu 11.04 released – Natty Narwhal

Canonical has announced the official release of Ubuntu 11.04, codenamed Natty Narwhal. This major update introduces the new Unity desktop shell, which is designed to improve ease of use and deliver a more modern user experience. Ubuntu founder Mark Shuttleworth unveiled the Unity project a year ago during an Ubuntu Developer Summit keynote in Brussels. […]

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