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In my last article, I introduced Mypy, a package that enforces type checking in Python programs. Python itself is, and always will remain, a dynamically typed language. However, Python 3 supports "annotations", a feature that allows you to attach an object to variables, function parameters and function return values. These annotations are ignored by Python itself, but they can be used by external tools.

Are you using multiple monitors with your Linux workstation? Seeing many things at once might be beneficial. But there are often much more windows in our workflows than physical monitors — and that’s a good thing, because seeing too many things at once might be distracting.

In May of this year, I received a call from a teacher from the high school here in Taylor. She asked me if we could accommodate 189 new students. Could we provide these 189 kids their first-time computers. I did a quick inventory in my head of what we had and what was parojected and told her yes. I then began calling my Directors, telling them of the upcoming project.

If you would like to automate many things in Linux based systems, the first requirement is to set up a passwordless SSH authentication between the Linux systems. It can be done easily by two simple steps. In this tutorial we will explain how to set up passwordless SSH login on Linux system.

Do you have a summer goal? Do longer days allow you to finally carve out time to work on a certain passion project? Will you be spending time AFK (away from keyboard) to enjoy no-code hobbies or volunteer? Are you traveling to any conferences or taking a family vacation? If you're still looking for inspiration, read what our writers had to say.

If you would like to know the detailed information about the memory usage on Linux system, the free command is a simple utility that makes it easy to find real time results for a variety of use cases.

We will build a simple calculator program using BASH scripting language and at the same time reinforce all the concepts already taught. In a quick summary, we’ve explored the fundamental topics on variables, decisions, control statements, and arguments. Then there were minor subtopics like using comments in bash programs and operator types.

Password security involves a broad set of practices, and not all of them are appropriate or possible for everyone. Therefore, the best strategy is to develop a threat model by thinking through your most significant risks—who and what you are protecting against—then model your security approach on the activities that are most effective against those specific threats. The Electronic Frontier Foundation (EFF) has a great series on threat modeling that I encourage everyone to read.

Valve developer Pierre-Loup Griffais working on Steam for Linux announced that they will drop support for the upcoming Ubuntu 19.10 release, as well as future Ubuntu Linux releases.

If you're overclocking your Raspberry Pi, you might run into overheating problems. Fortunately, you can prevent this by adding sufficient cooling to your Pi

Learn how to sequentially merge two or more files on the Linux command line. We explain all of the paste commands features and show examples of each.

Network File System (NFS) is a distributed file system protocol that allows you to share remote directories over a network. With NFS, you can mount remote directories on your system and work with files on a remote machine as if they were local files.

In this tutorial, we'll see how we can install the latest version of Ruby v2.6 on Ubuntu 19.04 Disco Dingo. and next we'll see how to set up a development environment for Ruby on Rails 6.

The latest version of the Raspberry Pi—Raspberry Pi 4—was released today, earlier than anticipated, featuring a new 1.5GHz Arm chip and VideoCore GPU with some brand new additions: dual-HDMI 4K display output; USB3 ports; Gigabit Ethernet; and multiple RAM options up to 4GB. read more

In this edition of our open source news roundup, we take a look Cloudflare's open source random number generator, more open source robotics data, new npm functionality, and more!

Katherine Druckman and Doc Searls talk to Linux Journal Editor at Large, Petros Koutoupis, about moving from Mac to Linux.

In this article, we will be installing and setting up Docker on a Debian 9 VPS.

This tutorial will give you a handy guide to install and setup a SFTP server in Linux.

Typing a command in the Linux terminal is one of the exciting things. We are like a king who is giving orders to his soldiers to do certain things. Terminal on Linux has many benefits when you understand the commands that exist. In addition to executing a command, we can play games at the terminal.

This tutorial explains how to install GCC compiler on CentOS 7. We will show you how to install the distro stable version and the newer version of GCC available from the SCL repository.