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Quick Tip
Find Files Containing a Text Pattern
find . -iname "*.txt" -exec grep -l "hello" {} +
Quick Tip
Create a Bootable USB from an ISO Image
sudo dd if=/path/to/image.iso of=/dev/sdX bs=4096k
Replace /dev/sdX with your USB device, for example, /dev/sdb.
Quick Tip
Disable Overlay Scrollbars in GNOME
gsettings set com.canonical.desktop.interface scrollbar-mode normal
Changes should occur instantly. The overlay scrollbars should now be replaced with normal scrollbars. This method works for Ubuntu 12.10 and above.
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Ubuntu Unleashed 2014 Edition
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Linux Cheat Sheet
Have a look at our Linux Cheat Sheet for quick one-liners, commands and tips.

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:

2. In System Settings, click on the Keyboard category:

3. In the window that appears, click on the Shortcuts tab and then click on System in the left list:

4. Click on the Disabled text to the right of Show the run command prompt, and press Alt+F2 (or any other convenient combination):

5. That’s it! Pressing Alt+F2 to bring the run box should work properly now.

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