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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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Have a look at our Linux Cheat Sheet for quick one-liners, commands and tips.
Get UbuTricks, a graphical program which allows you to install the latest versions of several applications in Ubuntu.

The file used to change various GRUB 2 settings is /etc/default/grub. This file also contains options to adjust the timeout in seconds before GRUB boots the default OS (GRUB_TIMEOUT), change which OS should be selected by default (GRUB_DEFAULT, first entry being 0), and also the option to change the resolution used by default – GRUB_GFXMODE.

In order to change it, edit this file as root with a text editor, e.g.:

Then find the option GRUB_GFXMODE and insert your preferred resolution, e.g.:

Now save the file (Ctrl+O followed by Enter if you used Nano for editing), and issue the following command in your terminal:

This should be all, the next time you restart your computer the new resolution should be changed.

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Пиотр says:

Foarte util, mersi!
Eu am un monitor Acer V193W si in meniul de grub de unde aleg daca vreau sa intru in windows sau in linux, imi aparea “input not supported”. Si eram pe linux in momentul in care am gasit postul asta, si mi-am dat seama ca aceasta solutie o sa mearga ( am mai incercat si altele ). Dadusem bookmark (vroiam sa iti multumesc) dar am intrat in windows. In fine, pai, multumesc, m-ai salvat :P

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