15
votes
2answers
157k 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 ...
256
votes
11answers
862k 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 ...
3
votes
1answer
34k 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)
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 ...
50
votes
12answers
98k 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 ...
76
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 ...
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 ...
0
votes
0answers
39 views

General Troubleshooting Guide Installing ubuntu on newer laptops

I am stuck again, while installing Ubuntu on my new Laptop. Laptop Specs: Asus GL552VW, I7-6700 @ 2.6GHz preinstalled Windows 10. Of all the times I or any of my friend have purchase a new Laptop ...
0
votes
0answers
15 views

Stuck in a login loop after trying to remove pulse Audio

So I was playing Rocket League via PlayOnLinux but the audio was really weird and crackling. After looking it up, it was an issue with ALSA conflicting with Pulse Audio. I followed a tutorial to ...
0
votes
2answers
64 views

How do I fresh install when Ubuntu doesn't come with my Graphics Card driver?

I've been using Ubuntu on my laptop for years, but I've just built a new desktop and can't install Ubuntu. Looking at my graphics card online, I can tell that Ubuntu doesn't come with drivers for it. ...
1
vote
1answer
79 views

How to move “home” to a separate partition in recovery mode? [duplicate]

I accidentally screwed my system so I only am able to boot in the repair mode. Anyway, I want to reinstall it (upgrade to 15.10, if that matters). So I want to save my "home" directory. I have access ...
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, ...
0
votes
2answers
8k views

Virtualbox Ubuntu Image Username / password

First of all I am totally new to Linux. I decided to load Ubuntu Linux on Virtualbox and found an ova file here: ...
1
vote
1answer
62 views

Ubuntu 14.04 totally locked after replacing graphic card (gf 750 ti)

I had an old ATI graphic card and was using the proprietary drivers on Ubuntu 14.04. I replaced the card with a Geforce 750 ti and Ubuntu doesn't start anymore. I cannot open a login screen with ...
0
votes
2answers
149 views

I entered “sudo chmod 770 /” on terminal. Is it fixable?

I was trying to deny permissions to access the root folder to all non sudoers, and had the (NOT) brilliant idea to run sudo chmod 770 /. Now I get permission denied for all commands. I am running ...

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