Migrating From NIS To LDAP#

Unix Linux Command Tricks

Editing Text Files (vi)

Name Service Switch

Pluggable Authentication Modules (PAM)

PAM LDAP Schema Modifications

Password Expiration Script

XEN

Checking the Log File for Invalid SSH Connection Attempts#

To see how often the 25 most offensive IP addresses try, do the following:

grep "Invalid user" /var/log/messages|awk '{print $NF}' | sort|uniq -c|sort -nr|head -n 25

Novell Privileged User Manager #