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With Ubuntu 18.04 Linux, the next long-term support version, coming out shortly, it's time to go over how to upgrade this popular Linux distribution.

Python is an outstanding language for people learning to program, and perfect for anyone wanting to "get stuff done" and not spend heaps of time on boilerplate code. Arcade is a Python library for creating 2D video games that is easy to start using, and very capable as you gain experience. In this article, I will explain how to start using Python and Arcade to program video games. read more

An important part of System Administration is make sure that all the infrastructure is always up & working fine and if problems do arise on the servers, then to resolve those problems. We use...

In Linux, you can restrict users from file access with a few commands. Here is how you can password protect folders and files in Linux using file ownership and groups as a password protection measure.

Two sets of utilities—the GNU Core Utilities and util-linux—comprise many of the Linux system administrator's most basic and regularly used tools. Their basic functions allow sysadmins to perform many of the tasks required to administer a Linux computer, including management and manipulation of text files, directories, data streams, storage media, process controls, filesystems, and much more. read more

Ubuntu, Debian & distros based on these uses .deb files for installation of softwares/applications on the system & in order to install these deb, we use dpkg package manager. With dpkg, we can install,...

One of the types of software that’s important for a web developer is the web framework. A framework “is a code library that makes a developer’s life easier when building reliable, scalable, and maintainable web applications” by providing reusable code or extensions for common operations. By saving development time, developers can concentrate on application logic rather than mundane elements.

FreeDOS is an old operating system, but it is new to many people. In 1994, several developers and I came together to create FreeDOS—a complete, free, DOS-compatible operating system you can use to play classic DOS games, run legacy business software, or develop embedded systems. Any program that works on MS-DOS should also run on FreeDOS. read more

In this tutorial we will see how to take our first steps with Doctrine, a data mapper pattern implementation that is part of the Symfony php framework, but can also be used on its own.

DPDK is a fully open-source project that operates in userspace. It's a multi-vendor and multi-architecture project, and it aims at achieving high I/O performance and reaching high packet processing rates, which are some of the most important features in the networking arena. It was created by Intel in 2010 and moved to the Linux Foundation in April 2017.

More evidence popped up recently that Google might be working on implementing support for Linux program on its Linux-based Chrome OS operating system for Chromebooks.

News briefs for April 23, 2018.

With more than 12,000 page views, Amjith Ramanujam's article on how Netflix does failovers in 7 minutes flat was our runaway hit last week.

Orchard Audio’s “ApplePi DAC” audio HAT add-on for the Raspberry Pi is available for $175 on Kickstarter, featuring two 24-bit TI PCM1794A monoaural DACs, a 128dB SNR, and both balanced and unbalanced outputs.

SUSE recently announced a public beta program for its SUSE Linux Enterprise High Performance Computing (HPC) product as part of the upcoming SUSE Linux Enterprise 15 operating system release.

Learn how to run and test your code on a production-like environment with Kubernetes and Helm. I’m a Software Engineer. Every day, I come into work and write code. That’s what I’m paid to do. As I write my code, I need to be confident that it’s of the highest quality. I can test it locally, but anyone who’s ever heard the words, “...but it works on my machine,” knows that’s not enough.

If you are new to system administration in Linux, you will gradually learn that user management is an important aspect of your work. The Linux command line offers several command-line utilities for this purpose, and one of them is the id command.

Google confirms reports of mysterious mails popping up. Google has confirmed that it is possible for spammers to create spoofed emails that appear in a user's 'sent mail' folder.…

At times system administrators and developers need to use many, complex and lengthy commands in order to perform a critical task. Most of the users will copy those commands and output generated by those respective commands in a text file for review or future reference. Of course, “history” feature of the shell will help you in getting the list of commands used in the past but it won’t help in getting the output generated for those commands.

Vagrant is a tool that offers a simple and easy to use command-line client for managing virtual environments. I started using it because it made it easier for me to develop websites, test solutions, and learn new things. According to Vagrant's website, "Vagrant lowers development environment setup time, increases production parity, and makes the 'works on my machine' excuse a relic of the past."