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In this tutorial we will show you how to make three versions of a countdown timer in bash. We start with a simple countdown timer, then progress to a more colorful version, and finally a fancy version which uses tput for screen coloring and cursor positioning. This is an excellent way to display time left on script with a long wait period.

If you are roaming the open source world, chances are you encounter .tar.gz file on a regular basis. Open source packages are generally available to download in .tar.gz and .zip formats. The tar command is used to create tar archives by converting a group of files into an archive. It supports a vast range of compression programs such as gzip, bzip2, lzip, lzma, lzop, xz and compress. Tar was originally designed for creating archives to store files on magnetic tape which is why it has its name “Tape ARchive”.

2DayGeek: Are you forgot your root password? if so, try one of the following method to reset it.

The android x86 project finished porting the android 8.1 Oreo system to the x86 architecture few weeks ago. In this post, we’ll explain how to install it on your Linux system so that you can use your android apps and games any time you want.

With the "nl" and "uuidgen" commands and AWK, you can number a list of records any way you like on the command line.

To provide an insight into the quality of software that is available, we have compiled a list of 14 excellent plotting tools. Many of the applications are very mature. For example, gnuplot has been in development since the mid-1980s.

Linux and Unix are often compared to each other. If the similarity in their names wasn't enough, Linux is technically a descendant of Unix, and they share a number of similarities in tool kits and overall structure. They aren't exactly the same, though, and the approaches and philosophies behind them are radically different.

Android Things will now focus solely on OEM-built smart speakers and displays. Google is discontinuing public access to i.MX8M, Snapdragon, and MediaTek based production modules for the OS. Google announced it is scaling back Android Things as a general-purpose IoT platform. The Arm-based production boards from Innocomm, Intrinsyc, and MediaTek that that Google was reselling […]

The Ubuntu-based BackBox Linux operating system designed for penetration testing, ethical hacking, and other security evaluations is now available on Amazon Web Services (AWS).

The following guide shows you how to Flush the DNS Cache in Ubuntu 18.04, alongside with it we will also educate you regarding why you should consider Flushing your DNS Cache once in a while.

In this tutorial, we will show you how to create a bootable Ubuntu USB stick from the Linux terminal. You can use this USB stick to boot and test out or install Ubuntu on any computer that supports booting from USB.

In this week's edition of our open source news roundup, we take a look at the first physical Raspberry Pi store, NVIDIA's hyper-realistic face generator, Microsoft joining the OpenChain project, and more.

A introductory tutorial on Linux IO, Standard Streams, their file descriptors and redirection. This covers the three basic input output stream (stdin, stdout, and stderr) and well as explains their file descriptors. It also examines practical use cases for each including redirection.

If your ISP doesn't provide you with a dedicated IP address, you can make use of a VPS and reverse SSH tunnel to allow external connections. Here's how.

Ex-Googler reveals study and, yes, we're lookin' at you, WordAds If the web seems slow, blame third-party advertising and analytics scripts.…

In this article, we will describe how to install GNU Octave, a high-level interpreted language, primarily intended for numerical computations. It provides capabilities for the numerical solution of linear and nonlinear problems, and for performing other numerical experiments.

Ironhide Game Studio (Kingdom Rush) are working on a new real-time strategy game named Iron Marines and they've confirmed to us it's heading to Linux.

In this tutorial, we will show you the basics of using variables in C programming.

The development team behind the Ubuntu-based KDE neon distribution announced the end of life of an older series of the operating system based on Ubuntu 16.04 LTS (Xenial Xerus).

Today we’re rolling out updated features for iPhone and iPad users, including a new layout for menu and settings, persistent Private Browsing tabs and new organization options within the New Tabs feature. This round of updates is the result of requests we received straight from our users, and we’re taking your feedback to make this version of iOS work harder and smarter for you.