Наличие неправильных полномочий на /etc/nsswitch.conf
может вызвать этот:-
[asmith@therapy ~]$ ls -la /etc/nsswitch.conf
-rw-r--r-- 1 root root 525 2010-03-31 18:35 /etc/nsswitch.conf
[asmith@therapy ~]$ ps -ef
...
asmith 31143 31124 0 Jan13 pts/18 00:00:00 /bin/bash
asmith 31156 31124 0 Jan13 pts/19 00:00:00 /bin/bash
...
[asmith@therapy ~]$ sudo chmod 600 /etc/nsswitch.conf
[asmith@therapy ~]$ ps -ef
...
1794114690 31143 31124 0 Jan13 pts/18 00:00:00 /bin/bash
1794114690 31156 31124 0 Jan13 pts/19 00:00:00 /bin/bash
...
[asmith@therapy ~]$ ps -U asmith
ERROR: User name does not exist.
[asmith@therapy ~]$ sudo chmod 644 /etc/nsswitch.conf
[asmith@therapy ~]$ ls -la /etc/nsswitch.conf
-rw-r--r-- 1 root root 525 2010-03-31 18:35 /etc/nsswitch.conf
[asmith@therapy ~]$ ps -U asmith
31143 pts/18 00:00:00 bash
31156 pts/19 00:00:00 bash
Надежда, которая помогает!