The Linux Expert!!
Process Tracking. This option enables tracking of user and nobody processes and examines them for suspicious executable or open network ports. Its purpose is to identify potential exploit processes that are running on the server, even if they are obfuscated to appear as…
I got an error related to “bc” the command-line calculator while executing the MySQL tuning script. The fix was also simple 🙂 Error details Error: Command line calculator ‘bc’ not found! The “bc” is the command-line calculator for Linux. You…
imagemagik installation Yes, the imagemagik installation steps are simple for a cPanel server. Before installing you must have an idea about imagemagik. It’s simply an addon for your cPnel server that allows for image manipulation. ImageMagick® is a software suite…
This is a very important and useful trick to block some ports from public. And open it for some IP address. It’s quite simple by configuring iptables with the help of applications like CSF or APF. By using iptables commands, blocking…
Remove emails from queue. We have already discussed a lot of topics regarding the Exim mail transfer agent (MTA). Here I am listing some command-line options to remove all emails from your server mail queue. We know the Exim command…
Why this topic important? What are the uses of rDNS record? Yeah, we all know about forward DNS lookup and its working. It’s a topic directly focusing on “What is reverse DNS?” A domain name system (DNS) is simply points…
We have already discussed the basic command usages of Exim mail server in one of the previous post. In this post I am explaining the command usages for finding or sorting emails in Exim mail queue for particular sender or…