Configuring IP address is one of the mandatory skill that every Linux and Unix administrator should learn. We can easily configure IP address in GUI mode. But it is entirely different in Command line mode....
OpenSSH Server is installed by default on FreeBSD. But on a fresh FreeBSD system, remote SSH logins are not allowed. You must enable SSH access yourself to access your FreeBSD server via SSH. This brief...
Image Metadata is a set of information about the images. Metadata is either embedded into the image itself or stored in a separate file. There are three types of Metadata, namely; Technical metadata, Descriptive metadata,...
We already know how to create files of a certain size in Linux. Creating files with the given size can be helpful in many occasions. For example, after deploying a new file server, you might...
The other day I wanted to check how much bandwidth is being used by my external USB drive when transferring files from local hdd drive to external drive. While looking for an easy way, I...
As you know already, the Bash history file (~/.bash_history) keeps a record of all the commands you run in the Terminal. We can use the history command to view the list of recently-executed commands in...
The other day a fellow Linux user and I were discussing about Linux commands. He asked me which Linux command I use the most. I told him one of my most frequently used command is...
Today, I tried to update the repository lists in my Ubuntu 18.04 LTS desktop and got an error that says – E: The package cache file is corrupted, it has the wrong hash. Here is...
I use Oracle VirtualBox to test various Linux and Unix distributions. I’ve tested hundred of virtual machines in VirtualBox so far. Today, I started Ubuntu 18.04 server VM in my Ubuntu 18.04 desktop and I...
