Migrating From NIS To LDAP#
LDAP for Linux and Unix Clients#
Some information and experiences we have had when using LDAP for Linux and Unix Clients.Unix Linux Command Tricks#
Editing Text Files (vi)#
Name Service Switch#
Pluggable Authentication Modules (PAM)#
PAM LDAP Schema Modifications#
Password Expiration Script#
XEN#
ldap.conf
Linux Files and File Permissions#
Some information on how Linux Files and File Permissions work and how to change them.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
