Tagged Questions

1
vote
1answer
32 views

problems with /etc/sudoers

I am running ubuntu 12.04 on i3 laptop. By mistake I changed the permissions and changed the user(from root) of /etc folder and I am getting a error when trying to use sudo like: sudo: /etc/sudoers ...
0
votes
2answers
124 views

sudo chmod -R 755 * accidentaly run in /, what are the options?

I have many programs installed, I want to keep my history, and so on and so on.. What can I do to save the situation? Thank you.
2
votes
2answers
2k 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?
1
vote
2answers
239 views

Why can root still edit files with a permission of 0?

I just wanted to delete most files from an external HD except some certain ones. So I chmod these ones to 0 and did a sudo rm -r ./*. Painfully, the result was that everything got deleted. Why is ...
1
vote
1answer
192 views

I just recursively chmod'd everything under / to 750. Any tips?

I won't be the first and I won't be the last, I suppose. While playing around with the find command, I made a whoops and it would appear that instead of changing the permissions of the ~/web directory ...
4
votes
3answers
3k views

How to fix sudo after “chmod -R 777 /usr/bin”?

I enetered chmod -R 777 /usr/bin and now sudo is not working. It is giving error that sudo must be setuid root. On looking via Google, some advice said to run chown root:root /usr/bin/sudo chmod ...
0
votes
2answers
2k views

Add user that can read / write a root, www-data files

How can I do that? I got user amira on my Ubuntu 11.4, I want him to able to see / read / write a root user files such as /etc/* and apache files
1
vote
1answer
306 views

ddclient not working without sudo

When I run ddclient (DynamicDns Updator) without sudo, I get WARNING: file /etc/ddclient.conf: Cannot open file '/etc/ddclient.conf'. (Permission denied) stat() on closed filehandle FD at ...
7
votes
4answers
1k views

What if I accidently run command chmod

I accidently ran sudo chmod 755 -R / instead of sudo chmod 755 -R ./ I stopped it after few seconds, but now there is some problems such as sudo: must be setuid root How can I revert ...
6
votes
2answers
8k views

Error after sudo-ing “sudo: must be setuid root”

On a colleagues computer, everytime I use a sudo command, I get this error: sudo: must be setuid root I tried various things mentioned on the internet, like changing the permissions to 4755 from a ...