Articles

 Block IP from your server

You can block an IP (12.12.12.12) from your server with the following command:# iptables -I INPUT...

 Check port used in linux

If you want to see which process is using which port, you can do it with the following command:#...

 Empty mail queue in exim

So you have a lot of mails in the mail queue, from f.e spam accounts?First check how many mails...

 Enable DMA on disk - against slow disk speed

We had a server performing pretty poorly and we went to investigate.It seemed the disk speed was...

 Import and export mysql database via ssh

You can import and export mysql database via SSH:To export a MYSQL database run:# mysqldump -u...

 Linux rebuild broken software raid array - CENTOS

With this article I will show you how to look if a raid array (in our case a RAID1 array) is...

 Mass change in file

If you have switched to a new service provider and all DNS records need to be adjusted to the new...

 SATA drive not recognized in linux

If your SATA drive does not get recognized when installing linux (happens on older linux...

 Stuck on Probing PCI hardware

If you are trying to install CentOS 4.6 and it hangs on "Probing PCI hardware" then you can fix...