User not in sudoers ... but it is!
13760
How do I grant sudo privileges to an existing user?
93618
bash profile works for user but not sudo
126556
Parse error in sudoers file
66222
'sudo' not working after changing the permissions of '/usr' directory
140231
How to get back sudo on Ubuntu?
78337
how to restrict users not to login to root by using sudo -i and sudo su - and other if exists
136771
Why is sudoers NOPASSWD option not working?
35910
Why does sudo ignore aliases?
71525
Let normal user restart service with /etc/sudoers
15805
How to avoid being prompted for a password by sudo?
67698
What is the root user
41384
Some programs not found when used with sudo
102960
How do file permissions work for the "root" user?
138512
Trouble with running cd with sudo as another user
20355
Sudo is also user login password - why? how to change?
5469
sudo: /etc/sudoers is owned by uid 501, should be 0
12201
Can't change the owner back to the root (can't use sudo command) in WSL Ubuntu