Can't use sudo and couldn't access root user to fix it after running chmod -R 777 /usr/
364
Set myself as owner of /etc with chown command now getting all kinds of errors
75827
When I run a sudo command it says unable to resolve host
67021
Access denied for user 'root@localhost' (using password:NO)
135331
I changed /etc/sudoers, and now I can't run as sudo
31899
" sudo: source: command not found"
100263
Root directory '/' locked after using chmod
5469
sudo: /etc/sudoers is owned by uid 501, should be 0
66647
How do I add a user to the "sudo" group?
18926
Type 'sudo' is not known in source list
90328
sudo unable to resolve host localhost.localdomain
111138
Sudo command no longer functions properly
20355
Sudo is also user login password - why? how to change?
140231
How to get back sudo on Ubuntu?
86607
sudo permission denied but su grants permission
40667
How do I gain root privileges?
103069
How to fix 'sudo: no tty present and no askpass program specified' error?
4746
How to solve "permission denied" when using sudo with redirection in Bash?