1
vote
1answer
40 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
49 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 ...
0
votes
0answers
56 views

How to access command line in recovery mode? Ubuntu 14.04

I messed up my xorg file, and that sent my laptop to recovery mode. My friend helped out a bit, but wasn't able to finish the job before he left. He instructed me to go to dkpg to repair broken ...
0
votes
1answer
38 views

I messed up permissions in home folder I can not login

Some time ago I had this problem and I found a workaround by issuing following command sudo chmod 777 /dev/dri/card0 and leaving me with this bug. I have been struggling to fix it for a week. ...
1
vote
0answers
49 views

My ubuntu 14.04.3 on VMware Player VM gets stuck in a login loop

I used to use Guake terminal. When I was using last time Guake stuck and stop working. Pressed F12 several times in order to close the terminal. Then system logged off and login screen shown up. ...
0
votes
3answers
173 views

Citatel has ruined my Ubuntu 15.10

After installing updates 2 days ago, I got the screen below on startup. I don't know what a Citadel account is as I never had one! I tried keying in my password but nothing happened (I tried ...
0
votes
0answers
57 views

Virtualbox stuck in Ubuntu Presentation after I install guest additions by terminal

I using Virtualbox '5.0.8 r103449' in Windows 7 and I try install Guest Additions for Ubuntu 14.04.3 following this instructions sudo apt-get install virtualbox-guest-additions-iso sudo apt-get ...
1
vote
1answer
4k views

Can't install Ubuntu 15.10 on virtualbox 5.0.0

As you can see in the gif picture I can't install Ubuntu on virtualbox. Whenever I move my mouse, the screen will change dramatically. Actually, I don't know what keyword should I use, if I want to ...
1
vote
1answer
71 views

Login loop after enabling Intel Virtualization in BIOS

After Enabling Intel Virtualization technology and VT-x in the Bios of my Lenovo x230 (I needed it for Virtual Box), Ubuntu (14.04) will start normally until the Login screen appears. When I type the ...
0
votes
1answer
349 views

Ubuntu 15.04 via virtualbox log in fails (using correct password).

New to Linux and Ubuntu and prior to making the permanent switch Ive installed the latest version of VirtualBox onto my windows 7 laptop to explore the OS and come accustom to it. Ive downloaded ...
3
votes
3answers
276 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 ...
0
votes
1answer
163 views

Missing dependencies - Can't insall Mutate launcher

I'm trying to install the mutate launcher on Ubuntu 14.04, but I'm having problems with all the methods suggested in the readme. If I use the ppa method I receive: Reading package lists... Done ...
1
vote
1answer
236 views

ubuntu 14.04.2 LTS installation problem

I installed ubuntu 14.04.2 LTS on external hard disk. My main hardware is: computer Acer Aspire 4530 pre installed with windows vista home basic. Graphic card by nvidia GEForce 9100M G. After ...
0
votes
2answers
2k views

How to reset ubuntu to default display settings after failed nVidia driver install attempt?

This is the same dreaded story in Ubuntu with nVidia drivers ... I got a new machine with the K2200 nVidia card in it and now I'm unable to boot again after installing the latest nVidia drivers for ...
3
votes
2answers
15k 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 [ ...

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