0
votes
0answers
6 views

Delete files permanently [duplicate]

I would like to know how to permanently delete files so they cannot be recovered. I appreciate your help.
0
votes
1answer
123 views

Is there any way to recover my sudo power? [duplicate]

Possible Duplicate: Regain Sudo rights after removing from admin group I created a new user and changed the ssh config. I forgot to add root permission to the newly created user. Now I ...
2
votes
1answer
617 views

Lost control of root account, Ubuntu Server 11.10

after I created a group, and put the root account in it, I lost control of it and now it's not root anymore. Also I can't login with "root". How can I revert this? Now there is no way I can use sudo ...
7
votes
2answers
8k views

Root's .bashrc not executing on sudo -i

On one of my Ubuntu 11.10 servers, when I use sudo -i to become the root user, root's .bashrc is not being executed. On all other servers, whose relevant configurations are identical as far as I know, ...
23
votes
1answer
33k views

Why is sudoers NOPASSWD option not working?

I have a NOPASSWD line in /etc/sudoers (edited with visudo) gatoatigrado ALL=(ALL) NOPASSWD: /bin/set-slow-cpufreq However, the output is, gatoatigrado@coral:~> sudo -n /bin/set-slow-cpufreq ...
2
votes
1answer
382 views

Problem accessing superuser with sudo

Through Virtualbox didn't allow me use USB because my account wasn't a vboxuser group, I've to run this command: $sudo usermod -G vboxusers brallan After I needed to access to superuser privileges ...
3
votes
1answer
1k views

Permission denied on /dev/xvdf despite sudo?

I'm trying to get a stream off port 9999 and write to /dev/xvdf. I'm using Amazon EC2 with the Ubuntu 11.10 server image. By default I log in as 'ubuntu' which has sudo privileges. However, when I run ...
4
votes
1answer
3k views

I am no longer in sudoers? [duplicate]

Possible Duplicate: How do I add myself back as a sudo user? jiewmeng is not in the sudoers file. This incident will be reported. Whats happening? Its a home PC with me as the only ...
1
vote
2answers
264 views

Upgrade process interrupted; can't boot and need to recover protected data

I was using Ubuntu 11.04 and upgrading to 11.10. While the installation process was going on I shut it down. It can't come on again by itself. It will end up showing the status line "checking battery ...
4
votes
1answer
5k views

How to allow execution without using the sudo?

I am writing a Java application where i need to do a command line execution and get a result back, but when i execute the command, it ask for sudo password. So far i tried: $ sudo -s $ vim ...
2
votes
1answer
2k views

No access to my own external hard drive?

I have only used my external hard drive once, wich was with my previous Ubuntu installation (11.04), on the same laptop. I have created 2 partitions, FAT32 and EXT4. Now I needed to get some data from ...
2
votes
1answer
7k views

How to uninstall Ubuntu Software Center in 11.10? [duplicate]

I am trying to uninstall software center for ubuntu oneric using the command sudo apt-get remove software center and get this as result Reading package lists... Done Building dependency tree ...