Command list of IMAP and POP3 protocols. They can be used to test your server remotely over telnet connection.
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Testing IMAP and POP3 servers over the telnet
Reset mysql password in several steps.
Make new password for mysql user in 5 simple steps.
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Login restriction by time over pam.d
If you I want to allow users log in in to system only at working hours use pam_time.so module. This example works on CentOS and I suspect that it will be work at RHEL as well.
How to export NFS home directories over the Autofs
Step-by-step instruction to get benefits from NFS and Autofs.
SSH connection without password
SSH password-less log in method.
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Quickstart: backup on hard disk with AMANDA
In this post I will explain how to backup data to hard disk instead of tape with amanda backup tools over the network.
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SElinux tips and tricks
Short notes about base SELinux commands.
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OpenVPN connection between two points
We have two host which have to be connected by VPN connection. For our connect I am going to use OpenVPN software.
Bash hotkeys
Here is the table of bash hotkeys.
LVM resizing
How to increase or decrease size of existing lvm partitions step-by-step
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