Linked Questions

0
votes
0answers
597 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
106 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
48 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 ...
139
votes
9answers
345k 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 ...
61
votes
5answers
25k 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 ...
27
votes
5answers
7k 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 ...
12
votes
3answers
35k 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 ...
9
votes
1answer
67k 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
10k 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 ...
2
votes
2answers
9k 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?
4
votes
2answers
10k 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 ...
6
votes
2answers
4k 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
1answer
4k 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, ...
1
vote
1answer
10k views

How to change my password? [duplicate]

I installed Ubuntu 13.04 through wubi file, where we set username & passwd preinstalling of Ubuntu,but now I couldn't login with my username even though I typed the correct password, as it is ...
2
votes
1answer
7k views

Unable to boot ubuntu 12.10 after installing latest amd catalyst drivers

I started using linux about a week ago and chose ubuntu 12.10 to start out with. I ran it dual boot with windows 7. Played with it for about a week and everything was going great then I loaded up ...
5
votes
3answers
2k 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 ...
2
votes
1answer
4k views

Ubuntu 13.10 : VirtualBox crash problem

I have VM running with following configurations: RAM : 1000MB Video Memory : 128MB Enabled : 3D accleration Guest OS : Ubuntu 13.10 (guest additions) However my ubuntu is not working fine. I login ...
2
votes
1answer
4k views

Ubuntu Gnome 13.04 in VirtualBox 4.2.12

I'm trying to install Ubuntu Gnome 13.04 in VirtualBox (4.2.12) on a Windows host. Initial installation works but after installing Guest Additions, VirtualBox always crashes during login. I tried to ...
1
vote
1answer
5k views

Why does compiz crash? (Ubuntu 12.10 under virtualbox)

I am using a Fujitsu LH531 Laptop with windows 7. I tried installing ubuntu 12.10 using virtual box. After installation, when i reboot for the first time, it shows the login screen. But after logging ...
2
votes
1answer
4k views

Missed to Enable 3D acceleration on virtualbox

I had installed ubuntu 11.10 on virtualbox 4.1.8 over windows 7(64-bit, graphics card ATI Radeon HD 5470) as the host. I was trying to run opengl es programs on ubuntu wherein I faced an error during ...
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 ...
0
votes
1answer
3k views

Log into root directly [duplicate]

Quite a while back i'd worked briefly on Red Hat, and it had this option of booting into root directly, and not using the su command to change your access. I know that by default the root account is ...
5
votes
2answers
377 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 ...
1
vote
1answer
2k views

Ubuntu 12.04: Problem editing file in recovery mode using the shell

I'm pretty new to ubuntu/linux and I guess I messed up my /etc/fstab file. Ubuntu (12.04) won't boot anymore. I've found some tips on the internet on how to fix this, but I didn't manage to get them ...
0
votes
1answer
820 views

Authenticate in ubuntu

I have a administrator privileges in Ubuntu 12.10 but when I try to install some applications Ubuntu requiere authentication, I write my password, but doesn't work somebody could help me?
1
vote
1answer
2k views

kernel panic-not syncing: VFS: unable to mount root fs on unknown block(0,2)

I'm so new to Linux and suddenly found the error message appear when i boot after i click install ubuntu Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,2)
0
votes
1answer
934 views

how to return to the recovery mode menu from shell [duplicate]

After dropping to root shell from recovery mode how to return to the recovery mode menu? I have only wifi connection and I do not know what Repair broken packeges menu entry does so I want to drop to ...
0
votes
2answers
1k views

No icons on main screen on VirtualBox

I've tried everything, I've uninstalled and reinstalled, I've tried adding guest additions, nothing is working. EDIT: I should also add I've been using this guide to getting VB set up: ...
2
votes
0answers
955 views

How to Enter Recovery Mode from Grub

I have a dual boot installation with Windows 7 and Ubuntu 12.04 LTS. I am currently trying to solve this problem, where any mouse and keyboard input is ignored on the login screen. The apparently ...
1
vote
2answers
518 views

Stuck at boot screen: checking file system stage

I cant login to Ubuntu. The splash screen stuck after checking file system. I used "storage device manager" (pySdm) to mount drives at boot time and also changed some options in it (which I can't ...

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