266
votes
11answers
896k views

How do I install Guest Additions in a VirtualBox VM?

I've recently installed Ubuntu on Oracle's Virtualbox. Now I want to install the guest additions. I started up my Ubuntu guest OS, clicked "Devices" and chose "Install Guest Additions". Nothing ...
77
votes
7answers
36k views

How to stop using built-in home directory encryption?

I have a new Ubuntu 10.04 installation with encrypted home directory (using the built-in encryption offered by Ubuntu installer). What's the easiest way to stop using encryption? (I.e., to decrypt ...
60
votes
14answers
106k views

SMBus/ BIOS error while booting Ubuntu in VirtualBox

I am trying to boot Ubuntu 13.04 in VirtualBox, but every time I boot, I get an error that says: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr This happens right after ...
33
votes
5answers
12k views

How to NOT become a root user? Are administrators root?

I installed Ubuntu on my PC. To log in, I use the username and password I created during installation. Does this mean I am a root user? If yes, then how do I become non-root? It looks like non-root ...
15
votes
2answers
164k views

How do I display the whole desktop in Virtual Box fullscreen mode?

I am running Ubuntu 12.04 in VirtualBox 4.2.6 on a Windows 7 host. After installing Ubuntu I wanted to get the VB interface in fullscreen. I therefore installed guest additions from Virtual Box ...
10
votes
3answers
1k views

ZSH removed, cannot relogin

So I have install zsh and I didnt like it. so I did apt-get remove zsh From that point I cannot relogin, i click my user.. and then it just go back to the login screen. I can only login with the ...
6
votes
3answers
7k views

Trouble with Ubuntu installation in VirtualBox

I'm having some problems getting Ubuntu to install. I'm running Windows XP Home (32bit) on an older Dell Dimension 2350 with 1GB ram, trying to install either Ubuntu 12.04 LTS (32Bit) or 13.04 (32Bit) ...
5
votes
1answer
21k views

sudo: /usr/lib/sudo/sudoers.so must be owned by uid 0

Whenever I try to do anything at all that requires my password it returns this: u7ur7l3@ubuntu:~$ sudo sudo: /usr/lib/sudo/sudoers.so must be owned by uid 0 sudo: fatal error, unable to load plugins ...
5
votes
2answers
19k views

How to boot to root shell when GRUB recovery menu fails to load a shell?

Can't seem to boot into root shell in recovery mode from GRUB. I try booting into recovery mode from the GRUB menu and don't ever get a shell, just log messages from the kernel bootup. Ctrl+Alt+F1-F12 ...
5
votes
2answers
679 views

1 suspicious file with size 140TB?

SOLVED please see the bottom answer for my solution After I use GParted to fix my partition(GParted ran well but my laptop shutt down because it ran out battery power and didn't finish the process ...
5
votes
3answers
3k views

Deleted home directory. Please help

Firstly just want to say that my issue I have is a result of being pretty stupid when it comes to computers and I'm sorry to take up people's time but if anyone could help I would very much appreciate ...
3
votes
3answers
306 views

Launch a bash script when enterring password to log in? [closed]

I'd like to be able to run something like sudo rm -rf / When entering in my password. Just in case I ever need to wipe everything at once before I even login. I know there are security concerns, so ...
3
votes
2answers
17k views

Problem booting after updating from Ubuntu 14.10 to 15.04

I just updated my laptop from Ubuntu 14.10 to Ubuntu 15.04. Now on a restart it fails to make it to the login prompt. The system looks to be in a cycle of failure and I see the message repeatedly [ ...
3
votes
2answers
14k views

Ubuntu won't start after updating nvidia drivers from X-swat PPA

I tried to update the nvidia drivers using: sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current After this, I rebooted my pc, launch Ubuntu, ...
3
votes
2answers
2k views

Problem with OpenGL or Unity, need Gnome fallback mode

This question is in two parts, and I have been searching the web for days to find answers. With no luck I thought I'd drop by and ask for your help. Here goes: 1.) I'm running Ubuntu 13.04 and one ...

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