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linux server

There are a lot of people do not know what these variables and how they can be used , this Variables exist in php.ini file , the php.ini file isĀ containsĀ settings PHP on server , and for each variable in the php.ini file have a special role and can be disabled and activated with ON and […]

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How Do I Block An IP Address On Linux Server ?

by lifeLinux on January 31, 2012

I run CentOS on my server, and I often find that my server is being attacked by other computers. Brute force SSH attacks, port scanning, viruses scanning for the ability to spread, things like that. In this article, I’ll show you how to block an IP address on Linux server using IPTables.


Linux Shutdown Command

by lifeLinux on August 24, 2011

shutdown command brings the system down in a secure way. All logged-in users are notified that the system is going down, and login is blocked. It is possible to shut the system down immediately or after a specified delay. All processes are first notified that the system is going down by the signal SIGTERM. This […]


How To Disable Ctrl + Alt + Del On Ubuntu 11

by lifeLinux on August 23, 2011

To disable the reboot action taken by pressing the Ctrl+Alt+Delete key combination, comment out the following line in the file /etc/init/control-alt-delete.conf.


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