I have somehow locked or removed my access to sudo - how can I fix it?
3716
How do I add myself back as a sudo user?
135331
I changed /etc/sudoers, and now I can't run as sudo
77181
How do I log out of `sudo su`?
111138
Sudo command no longer functions properly
100263
Root directory '/' locked after using chmod
13760
How do I grant sudo privileges to an existing user?
88391
command not found when using sudo
14750
How to Fix "Read-only file system" error when I run something as sudo and try to make a folder/file?
58819
Sudo not available in guest login
5494
Permission denied, are you root?
10422
How do I use sudo to redirect output to a location I don't have permission to write to?
106931
How to undo sudo add-apt-repository?
54429
Why can't I sudo some commands? (e.g., vim)
122675
Why don't I have a password for "su"? Problems with "sudo"
14589
Execute sudo without Password?
86607
sudo permission denied but su grants permission
136590
How do I deal with 'sudoers.so must be only be writable by owner'?