How to Fix Yum Error: Database Disk Image is Malformed

In this article, we will briefly describe YUM, YumDB, then the cause of Yum Error: database disk image is malformed and how to fix this error. YUM (Yellowdog Updater, Modified)... Read more

Use ‘pushd’ and ‘popd’ for Efficient Filesystem Navigation in Linux

Sometimes it can be painful to navigate the Linux file system with commands, especially for the newbies. Normally, we primarily use the cd (Change Directory) command for moving around the... Read more

bd – Quickly Go Back to a Parent Directory Instead of Typing “cd ../../..” Redundantly

While navigating the file system via the command line on Linux systems, in order to move back into a parent directory (in a long path), we would normally issue the... Read more

How to Auto Execute Commands/Scripts During Reboot or Startup

I am always fascinated by the things going on behind the scenes when I boot a Linux system and log on. By pressing the power button on a bare metal... Read more

3 Ways to Permanently and Securely Delete ‘Files and Directories’ in Linux

In most cases the means we use to delete a file from our computers such as using Delete key, Trash files or rm command, which do not permanently and securely... Read more

How to Copy a File to Multiple Directories in Linux

While learning Linux, it is always the norm for newbies to keep on typing several commands to accomplish a simple task. This is understandable especially when one is just getting... Read more

How to Convert Files to UTF-8 Encoding in Linux

In this guide, we will describe what character encoding and cover a few examples of converting files from one character encoding to another using a command line tool. Then finally,... Read more

How to Check MD5 Sums of Installed Packages in Debian/Ubuntu Linux

Have you ever wondered why a given binary or package installed on your system does not work according to you expectations, meaning it does not function correctly as it is... Read more

How to Identify Working Directories Using Shell Characters and Variables

Some of the special directories that a Linux user is bound to work with so many times on a shell command line include the user’s home directory, the current and... Read more

How to Set Limits on User Running Processes in Linux

One of the Linux’s beauties is that you can control almost everything about it. This gives a system administrator a great control over his system and better utilization of the system... Read more