Category Archives: Ubuntu

Setting the Display Resolution on a Virtual Machine

If you install a recent version of Linux on a virtual machine you may find that the default display resolution is rather low. You may be able to select a better resolution (by navigating to system → preferences → monitors) … Continue reading

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Installing updates from behind a firewall

If you are behind a web-proxy then installing packages or updating your system requires that the environment variable http_proxy is defined first – this then tells the system to use a web-proxy. The only problem is that you need to … Continue reading

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Compairing version numbers

There are differences between versions of some of the relatively common utilities that occasionally make it necessary to check which version is installed in a script, but comparing version numbers in a script is quite hard – fortunately if you … Continue reading

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Set Linux Console Height and Width

On my Raspberry Pi and my much older AlphaServer have configured the system to use the serial port as the console, as this means I can use them ‘headless’ without having to plug-in a screen or keyboard (very useful if … Continue reading

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Display IP address in banner text

Rather then use the console when working on a system I generally prefer to connect remotely using ‘ssh’ as it is so much easier to be able to cut and paste from a terminal session on my workstation that way.

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