After logging into ssh, I got this message:
\'Username\' is not in the sudoers file. This incident will be reported.
How can I r
You should use visudo to edit /etc/sudoers file.
visudo
Just run sudo visudo -f /etc/sudoers
sudo visudo -f /etc/sudoers
and add your username with correct syntax and access rights. You can find more in man sudoers
man sudoers