Howtos / Articles

Change the Timezone in Ubuntu

To change the timezone on Ubuntu all you need to do is reconfigure the tzdata package. This can be done using the following command: sudo dpkg-reconfigure tzdata A menu prompt will then appear. Simply enter in your geographic area, and then the relevant city/timezone you want.…

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Enable IP Forwarding on Ubuntu 13.04

This howto guide outlines the steps to enable IP forwarding on Ubuntu 13.04. This is required if you want your system to act as a router. Check the current setting: $ sysctl net.ipv4.ip_forward This should output a 0 or a 1 depending on if it is already enabled or not. eg: the following shows where ip forwarding is disabled $ sysctl net.ipv4.ip_forward net.ipv4.ip_forward = 0 Enable the kernel option for IP forwarding: $ sudo sysctl net.ipv4.ip_forward=1 eg: $ sudo sysctl…

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Enable hibernation support on Ubuntu

On a standard desktop install of Ubuntu, you dont have the option for hibernating. This guide steps you through the process of enabling the hibernation option if your PC can support it. Test hibernation to make sure it will work on your PC: (Save any work before doing this test incase hibernation doesnt work and the PC just restarts) Open a terminal window using ctrl + alt + t Run the following command to test hibernation: $ sudo pm-hibernate If…

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Display custom desktop notifications on Ubuntu

The ‘notify-send’ package can be used to send custom notification messages to the Ubuntu desktop. These messages will pop-up on the screen, and shouldn’t get in the way of what the user is currently doing. To send a custom notification: $ notifiy-send “This is a test” Sample pop-up notification window:   This can be used within background scripts to display notifications to the desktop user.  …

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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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