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Have a look at our Linux Cheat Sheet for quick one-liners, commands and tips.

You can enable TAB auto-completion for APT packages in Debian easily. As root, edit the /root/.bashrc file and add the following line at the end:

source /etc/bash_completion

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The Alt+F2 keyboard shortcut, used to bring up the run launcher in GNOME, is disabled by default in GNOME 3. To have it back, follow these steps:

1. Start up System Settings – click on your username in the top panel and then click on System Settings entry in the menu that appears:

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AssaultCube is a popular cross-platform first-person shooter with pretty low hardware requirements, with a fast gameplay and many modes – including the classic CTF, TDM, FFA, or the popular TOSOK (Team One Shot One Kill), LSS (Last Swiss Standing), or HTF (Hold the Flag).

Starting a server should be pretty straightforward in Linux, all you have to do is run the server dedicated binary with several parameters, however AssaultCube provided a script, called server.sh for doing it. Here’s an example:

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This is a quick, simple tip (but maybe no very obvious for the first time) for getting back the volume control tray icon in case you removed it by mistake.

The volume control tray icon is actually included in the “Indicator Applet”, together with the Internet connections and the chat/mail/messenger icons, rather than being available by itself. To add it back to the panel:

Right click on the panel, click Add to Panel…:

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