0
votes
0answers
737 views

How to Enter into Recovery mode? [duplicate]

Possible Duplicate: How do I boot into a root shell? How would I boot into the Ubuntu and Windows recovery modes if I removed the options to do so from the Grub menu? My root password has ...
0
votes
0answers
206 views

Change file system state in recovery mode [duplicate]

Sorry for the format, but im trying to do this on my smartphone since my ubuntu is down lol. I am trying to run the command sudo apt-get purge nvidia-current in the root shell prompt but I am getting ...
0
votes
0answers
49 views

Blank screen after rebooting the computer. How to boot to command prompt to fix the problem? [duplicate]

I am new to Ubuntu. Please help me to fix the following problem. Problem: After installing the Ubuntu 13.10 Server and Ubuntu Desktop I experienced temporary and permanent hang several times so I ...
251
votes
11answers
841k 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 ...
75
votes
7answers
35k 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 ...
44
votes
12answers
93k 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 ...
13
votes
1answer
153k 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 ...
5
votes
2answers
18k 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
1answer
20k 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 ...
2
votes
2answers
14k views

How to repair “sudo: /etc/sudoers is mode 0640, should be 0440?”

Why might sudo chmod -R a+w * cause sudo: /etc/sudoers is mode 0640, should be 0440 sudo: no valid sudoers sources found, quitting and how might it be made to work?
3
votes
2answers
16k 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 [ ...
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) ...
3
votes
2answers
13k 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, ...
10
votes
3answers
828 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 ...

15 30 50 per page