Linked Questions
10 questions linked to/from Authenticate in ubuntu
807
votes
16
answers
3.3m
views
How do I reset a lost administrative password?
I'm working on a Ubuntu system, and my client has completely forgotten his administrative password. He doesn't even remember entering one; however it is there.
I've tried the suggestions on the ...
user9904
69
votes
5
answers
80k
views
How do I add myself back as a sudo user?
I clean-installed Ubuntu 11.10 today, and then installed VirtualBox. This required me to add myself to the vboxusers group, and since 11.10 seems to no longer have a graphical app to add users to a ...
- 2,526
12
votes
4
answers
16k
views
How can I configure "mousekeys"?
Under 11.04, the option to control the pointer with the numpad was set in the Hardware/Keyboard settings page.
How can I turn on mousekeys or configure them in newer releases?
- 23.1k
8
votes
4
answers
75k
views
Password not working for sudo ("Authentication failure")
Before I mention anything further, DO NOT give me a response saying that terminal won't show password input. I'm AWARE of that.
I'm typing my user password in (not a capslock issue), and for some ...
- 237
130
votes
3
answers
36k
views
Why should users never use normal sudo to start graphical applications?
I've read the comunity "RootSudo" documentation and am interested in this line:
You should never use normal sudo to start graphical applications as Root.
Why? What is the difference? Please ...
- 4,081
114
votes
3
answers
280k
views
How do I change file system in recovery mode to read-write mode?
I have messed up my sudoers file and I want to change the permission on it.
When I login in recovery mode, I cannot run the command chmod as it is read-only option.
I tried mount -o remount,rw / in ...
- 1,141
42
votes
3
answers
164k
views
How do I reset a lost password (using recovery mode requires me to type the password)?
I need to reset my password. I have followed these steps:
How do I reset a lost administrative password?
However, then I go to "root" or "netroot" recovery options, it tells me:
Give root password ...
- 527
109
votes
2
answers
140k
views
Why is gksu no longer installed by default?
I have always recommended pressing ALT+F2 and typing for example gksu nautilus or gksudo nautilus both are equivalent; to run graphical programs with root privileges. However, I have just installed ...
- 22.1k
91
votes
1
answer
249k
views
How do I boot into a root shell?
When booting to the graphical desktop fails we sometimes are recommended to boot into a "root shell" or to boot in "recovery mode".
How do I do that?
- 142k
3
votes
1
answer
2k
views
Polkit not accepting my credentials
I am having trouble authenticating via policy kit. Sudo works just fine.
In reference to this previous question, here is my output of
$ ps aux | grep [p]olkit
pkcheck --action-id org.freedesktop....
- 31