I just installed a new fresh Ubuntu 12.04.5 on a Dell laptop, I had 14.04 but as I really love 12.04 stability I decided to get back to it. I have a Windows installed alongside which I just keep to have a way to preserve laptop warranty somehow. So, I had used 14.04 with out any problem, but no...

This is what the screen of my laptop looks like as of 15 minutes ago. Note the blank 1.5-inch bar on the right hand side (which is now completely black). It appeared suddenly, as I was in the middle of writing an email. The reason I'm posting a picture taken with my phone, rather than a screen...

I recently learned that my Ubuntu Linux file system may cache the result of some commands such as searches, sorts, and perhaps build commands such as make. I run Ubuntu in a VM, and although I have allocated almost 4G of memory to it, after a productive day of re-building, and processing, it se...

I need to attach some HDD to my Ubuntu Azure VM and enable RAID 0 for them to improve the performance. The new storage space will be under /home director (for storing my host data). I have some data in /home already Could you please advise me to do this? Thanks.

I am looking for packages of gcc-multilib, g++-multilib, libc6-dev:i386, libssl-dev:386, libuuid1:i386, libkrb5-dev:i386. I can find them all for amd64, but none of them for ppc64le.

In Unity, it is possible to add desktop actions to dock items (eg, you can add a "New Private Window" action to firefox.desktop and it would appear as an option when you right-click the Firefox icon in the dock). I just installed Ubuntu Gnome, and though the desktop files appear to be the same as...

I am trying to rename one of my network interfaces from em1 to eth0. I do not have /etc/udev/rules.d/70-persistent-net.rules. I have tried to regenerate this file by running these commands: udevadm trigger udevadm trigger --action=add udevadm trigger --action=change I tested each command indiv...

Although John the Ripper has been packaged for debian and ubuntu, it seems that as of August 2015 the packaged version doesn't actually work. Recent versions of these systems encrypt passwords using the sha512 hash function, but support for that hash function is only currently available through a...

Just need someone to look over my shoulder and tell me if this setup will work without any big problems down the road after I start adding users. Current setup: Ubuntu 14.0.4LTS Samba 4.1.6-Ubuntu External drive mounted in /etc/fstab settings as /media/Backup01 with "ntfs-3g permissions,window...

I have remapped the <LCTL> key to Tab in /usr/share/X11/xkb/symbols/en using key <LCTL> { [ Tab, Tab, Tab, Tab ] }; key <MENU> { [ Alt_R, Alt_R, Alt_R, Alt_R ] }; I now want to set a shortcut for Switch applications to Alt + Tab using the remapped le...