Posts tagged as:

servers

Repel port flood by CSF and IPT_Recent

by Linux Killer on January 31, 2013

Protect the server from Flood attacks , Using the property Port Flood Protection In firewall CSF . After doing the necessary settings will be able to determine the number of allowed connections Same time for each IP tries to connect to the server.

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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.

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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 […]

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10 lsof Command Examples

by lifeLinux on May 14, 2011

The lsof command or “list open files” command in Linux is a powerful tool. In Linux and Unix everything behind the scenes are just files. This includes IP sockets, pipes, unix sockets, directories, devices, even inodes are just files. This means that lsof can actually tell you a lot of information of what is going […]

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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 […]

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How To Update Linux Kernel With Ksplice Uptrack

by lifeLinux on May 12, 2011

What is Ksplice Uptrack? Ksplice Uptrack is a subscription service that lets you apply 100% of the important kernel security updates released by your Linux vendor without rebooting.

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