I need a Linux server admin to help with a few jobs.
1) i'm getting a lot of Postfix SMTP server: errors from unknown[127.0.0.1] emails through to one particular email
2) The drive /dev/mapper/vg00-var is full when it shouldn't be
3) I need automatic backup software installed
4) I need an anti virus program installed
5) i run a Susefirewa...
Skills: linux, apache, security engineer, web security manager