[RHEL] sudo: no valid sudoers sources found, quitting

Solution Verified - Updated -

Issue

  • sudo command not working

  • When trying to use sudo:

[user@server ~]$ sudo -l
sudo: no valid sudoers sources found, quitting

[root@server ~]# sudo -l
sudo: no valid sudoers sources found, quitting

[user@server ~]$ sudo visudo
sudo: no valid sudoers sources found, quitting

Environment

  • Red Hat Enterprise Linux 5

  • sudo environment

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