>>> /etc/sudoers: syntax error near line 33 <<<
sudo: parse error in /etc/sudoers near line 33
sudo: no valid sudoers sources found, quitting
sudo: unable to initialize policy plugin
user@server:~$ pkexec visudo
==== AUTHENTICATING FOR org.freedesktop.policykit.exec ===
Authentication is needed to run `/usr/sbin/visudo' as the super user
Authenticating as: ,,, (user)
Password: ввожу пароль пользователя
polkit-agent-helper-1: error response to PolicyKit daemon: GDBus.Error:org.freed esktop.PolicyKit1.Error.Failed: No session for cookie
==== AUTHENTICATION FAILED ===
Error executing command as another user: Not authorized