From the category archives:


How Do I Disable The Ping Response On Linux?

by lifeLinux on January 4, 2012

Sometimes you may want to disable ping response for many reasons, may be for a security reason… This article explains how do I disable the ping response on Linux ?


Linux Password Protect Files

by lifeLinux on May 27, 2011

If you store private information on your Linux system and you want to prevent other people who use the system from viewing your private files, you need to password protect these files. Solution is to use following commands to encrypt or decrypt files with a password.


By default iptables firewall stores its configuration at /etc/sysconfig/iptables file. Type the following command to see its # cat /etc/sysconfig/iptables


How To Save/Restore Iptables Rules

by lifeLinux on May 18, 2011

Save Iptables rules Rules created with the iptables command are stored in memory. If the system is restarted before saving the iptables rule set, all rules are lost. To save netfilter rules, type the following command as root: # /etc/init.d/iptables save


How To Install Ksplice on CentOS / RedHat

by lifeLinux on May 12, 2011

You can apply kernel updates using “yum” command or “apt-get” command line options. After each upgrade you need to reboot the server. How to skip reboot step and apply hotfixes to kernel without rebooting the server ? What is Ksplice Uptrack? Ksplice Uptrack is a subscription service that lets you apply 100% of the important […]