- After switching our RHEL 6.5 server default runlevel to 5 (
id:5:initdefault), we rebooted the server and are unable to login
- Login prompt shows "Module is unknown" after entering the user name
- Unable to authenticate using SSH with any user
- Red Hat Enterprise Linux 6
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.