Why can a Linux clock jump backward or disagree with another server? Learn about clock drift, NTP synchronization, monotonic ...

Millions of people in India use Telegram every day. Students join study groups. Businesses share updates. Friends and families stay in touch. Therefore, many users were surprised today (June 16, 2026) ...

mmdebstrap is a tool for creating Debian-based system images (root filesystems) in a minimal and efficient manner. It is designed to be simple, fast, and lightweight, making it ideal for creating ...

Picture this scenario. You run a program. But, you don't know how long it will take to finish. The process keeps running several minutes. You can't wait that much longer, because some other important ...

After downloading Ubuntu ISO, you need to create a bootable USB medium with the ISO file. There are many bootable USB creation tools available to create a bootable USB medium. We have listed some of ...

A Unix timestamp looks like a number. That is the beauty of it, and also the source of many bugs. You can store it in a database, send it over a network, compare it with another timestamp, or use it ...

Your computer is about to get a lot more nosy. Imagine turning on a new laptop and, before you can even see the desktop, it asks for your birth date. That was almost the mandatory reality for every ...

APT (Advanced Package Tool) installs and updates software from package repositories. On Debian 13 (Trixie), these software sources are defined in two formats: traditional one-line .list files and the ...

Systemback is a free utility that can be used to backup and restore Ubuntu-like systems. It is somewhat similar to MS Windows's "System restore" option. Using Systemback, we can easily create backup ...

Windows and Red Hat Enterprise Linux (RHEL) are two of the most popular operating systems in the world. Windows is known for its ease of use and compatibility with a wide range of software, while RHEL ...

FFmpeg is packaged for most Linux distributions and is available in the default repositories. Here I have included installation instructions for popular Linux distros. There is also ffmpeg-full ...