sudo: unable to resolve host ubuntu-server
10360
Error message "sudo: unable to resolve host (none)"
73466
How to solve "sudo: /etc/sudoers.d is world writable"
123800
permission denied for root@localhost for ssh connection
37557
How to add a user to sudoers file?
88789
Why is sudo not installed by default in Debian?
58819
Sudo not available in guest login
49830
Is `sudo pip install` still a broken practice?
12201
Can't change the owner back to the root (can't use sudo command) in WSL Ubuntu
74253
sudo: /usr/lib/sudo/sudoers.so must be owned by uid 0
136771
Why is sudoers NOPASSWD option not working?
106720
I can't access the root account anymore: user is not in the sudoers file
60784
relocation error using sudo apt
66647
How do I add a user to the "sudo" group?
27769
Problem with IPv6 sudo apt-get update/upgrade
8625
/usr/bin/sudo must be owned by uid 0 and have the setuid bit set
66222
'sudo' not working after changing the permissions of '/usr' directory
15255
How can I add a new user as sudoer using the command line?