hi,

i'm using an ubuntu 10.04 server...

when i run ps aux as root i see all processes when i run ps aux as nonroot i see JUST the processes of the current user

after a bit of research i found the following solution:

root@m85:~# ls -al /proc/
total 4
dr-xr-xr-x 122 root      root         0 2010-12-23 14:08 .
drwxr-xr-x  22 root      root      4096 2010-12-23 13:30 ..
dr-x------   6 root      root         0 2010-12-23 14:08 1
dr-x------   6 root      root         0 2010-12-23 14:08 10
dr-x------   6 root      root         0 2010-12-23 14:08 1212
dr-x------   6 root      root         0 2010-12-23 14:08 1227
dr-x------   6 root      root         0 2010-12-23 14:08 1242
dr-x------   6 zabbix    zabbix       0 2010-12-24 23:52 12747
[...]

my first idea was, that it got mounted in a weird way: /etc/fstab is ok and it doesn't seem to be mounted in an weird way...

my second idea was, that there might be a rootkit: but it's not a rootkit... rkhunter tells me, that there is no rootkit installed...

i don't know if it is since the machine got installed or came with an update. i've just installed zabbix-agent on the machine and realized, that it didn't work properly...

What could have caused such strange permissions (500) and how can i set it back to an normal level (555) ?

Crazy, i've never seen something like that...

thanks in advance for any help and merry christmas :)

see you