Category: GNU/Linux

Trying to delete a very large number of files at one time will probably run into this error: Argument list too long. The problem is that when you type something like rm -rf *, the …

Problems of Netfilter/IPtables In Linux, banning an IP address can be done very easily with netfilter/iptables framework: $ sudo iptables -A INPUT -s 1.1.1.1 -p TCP -j DROP If you want to ban a whole …

This document describes how to limit CPU usage in Ubuntu 14.04. I will use CPU-limit utilty for this purpose. Cpulimit is a tool which limits the CPU usage of a process (expressed in percentage, not …

There are a couple of websites that every Linux adventurer should have in his bookmarks. These websites are more than just tutorials or reviews. They are real tools that you can access from anywhere and …

Install ghostscript, for Ubuntu/Debian: sudo apt-get install ghostscript Resize your pdf  with the command: gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf Replace the file names output.pdf and input.pdf with your file names. These …

The Supreme Court of the world’s largest democracy has ordered all courts across India to switch to GNU/Linux based operating system Ubuntu. Prior to this move the courts across India were using theRed Hat Enterprise …