Keeping in mind this was working before:
When I try to login as :
su jira1
I get error:
su: Authentication failure
(Ignored)
more /etc/passwd returns:
jira1:x:1003:1003:,,,:/home/jira1:/bin/bash
and if I monitor su jira1, by tailing /var/log/auth.log, I get:
Mar 15 10:43:51 jira su[4590]: Successful su for jira1 by root
Mar 15 10:43:51 jira su[4590]: + /dev/pts/1 root:jira1
Mar 15 10:43:51 jira su[4590]: pam_unix(su:session): session opened for user jira1 by kahmed(uid=0)