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Resize an image from the Linux terminal

  • Opensource.com; By Jim Hall (Posted by bob on Sep 6, 2021 6:12 AM CST)
  • Story Type: Tutorial; Groups: Linux
ImageMagick is a handy multipurpose command-line tool for all your image needs. ImageMagick supports a variety of image types, including JPG photos and PNG graphics.

Give us a CLU: Object Oriented Programming pioneer arrives on GitHub

No, not the 1980s TV show where Lionel Blair attempted to mime data abstraction to Una Stubbs. Retro fans, rejoice! A bit of digital archaeology has turned up a working early version of the CLU programming language and the files needed to create it uploaded to GitHub.…

Monitor your Linux server with Checkmk

  • Opensource.com (Posted by bob on Sep 3, 2021 5:26 PM CST)
  • Story Type: Tutorial; Groups: Linux
Monitoring IT assets is an essential task for any IT department. Still, due to the growing number of devices in corporate networks, it is getting more and more challenging to find an approach that is flexible enough to monitor the wide range of available systems properly. It's essential to have a monitoring tool that is flexible, scalable, and easy to use.

Print files from your Linux terminal

  • Opensource.com; By Seth Kenlon (Posted by bob on Sep 3, 2021 4:12 PM CST)
  • Story Type: Tutorial; Groups: Linux
Printing on Linux is easy, but sometimes it feels like a lot of work to launch an application, open a file, find the Print selection in the menu, click a confirmation button, and so on. When you're a Linux terminal user, you often want to perform complex actions with simple triggers. Printing is complex, and there's little as simple as the lpr command.

Install ONLYOFFICE Docs on Fedora Linux with Podman and connect it with Nextcloud

If you need a reliable office suite for online editing and collaboration within your sync & share platform, you can try ONLYOFFICE Docs. In this tutorial, we learn how to install it on your Fedora Linux with Podman and discover the ONLYOFFICE-Nextcloud integration.

4 Linux technologies fundamental to containers

In previous articles, I have written about container images and runtimes. In this article, I look at how containers are made possible by a foundation of some special Linux technologies, including namespaces and control groups.

Get started programming with DOS conio

  • Opensource.com (Posted by bob on Sep 2, 2021 3:02 PM CST)
  • Story Type: News Story
One of the reasons so many DOS applications sported a text user interface (or TUI) is because it was so easy to do. The standard way to control console input and output (conio) was with the conio library for many C programmers. This is a de-facto standard library on DOS, which gained popularity as implemented by Borland's proprietary C compiler as conio.h. read more

How to Set Up a Mail Server with PostfixAdmin on Debian 11

  • Howtoforge Linux Howtos und Tutorials (Posted by bob on Sep 2, 2021 1:48 PM CST)
  • Groups: Debian, Linux; Story Type: News Story
PostfixAdmin is a free, open-source, and web-based interface used for managing Postfix mail server from the web browser. In this article, I will explain how to install PostfixAdmin on Debian 11.

20 essential Linux commands for every user

  • Opensource.com; By Seth Kenlon (Posted by bob on Sep 2, 2021 8:50 AM CST)
  • Story Type: Tutorial; Groups: Linux
Typing commands into a darkened terminal window may seem antiquated to some, but for many computer users, it's the most efficient, most accessible, and clearest way to accomplish nearly any task a computer is capable of performing. These days, thanks to all the projects that bring open source commands to non-open platforms like macOS and Windows, terminal commands are relevant to everybody, not just Linux and BSD users.

Docker changes its subscription plans, usage rules, and product line

Some users won't be happy.

Download These 7 Cool Apps on Your Linux Machine to Make Life Easier

Not only the Linux distros are open-source but the apps for Linux are also free. Though some business apps come with a cost, most of the apps created for individuals don’t have any charges. Want to know about some of the cool apps to download on your Linux machine? This article walks you through 7 apps to download on Linux to make your life easier. Head over to the next section!

Mozilla VPN Completes Independent Security Audit by Cure53

Today, Mozilla published an independent security audit of its Mozilla VPN, which provides encryption and device-level protection of your connection and information when you are on the Web, from Cure53, an unbiased cybersecurity firm based in Berlin with more than 15 years of running software testing and code auditing. Mozilla periodically works with third-party organizations […]

CloudLinux offers CentOS 8 users a support lifeline

  • ZDNet | open-source RSS; By Steven J. Vaughan-Nichols (Posted by bob on Sep 2, 2021 1:14 AM CST)
  • Story Type: News Story; Groups: Red Hat
Red Hat won't support CentOS 8 past the end of the year, but CloudLinux will provide updates and support to CentOS 8 until the end of 2025.

Getting ready for Fedora Linux

Introduction Why does Linux remain vastly invisible to ordinary folks who make general use of computers? This article steps through the process to move to Fedora Linux Workstation for non-Linux users. It also describes features of the GUI (Graphic User Interface) and CLI (Command Line Interface) for the newcomer. This is a quick introduction, not […]

Improve The CrowdSec Multi-Server Installation With HTTPS Between Agents

To address security issues posed by clear http communication in our previous crowdsec multi-server installation, we propose solutions to achieve communication between Crowdsec agents over encrypted channels. On top of that, the third solution allows server-2 or server-3 to trust server-1 identity, and avoid man-in -the -middle attacks.

What is a container image?

A container image contains a packaged application, along with its dependencies, and information on what processes it runs when launched.

How my team built an open source learning experience platform

  • Opensource.com; By Tesh Patel (Posted by bob on Aug 31, 2021 12:42 PM CST)
  • Story Type: Editorial; Groups: Community
Learning is based on the open exchange of ideas and experiences. By sharing, testing, and practicing what we've learned with others, we're able to develop in our lives and careers. It follows that openness is the ideal state for any successful learning organization. 

Print from anywhere with CUPS on Linux

I have a printer in my office, but sometimes I work on my laptop in another room of the house. This isn't a problem for me for two reasons. First of all, I rarely print anything on paper and have gone months without using the printer. Secondly, though, I've set the printer to be shared over my home network, so I can send files to print from anywhere in the house. I didn't need any special equipment for this setup. It's accomplished with just my usual Linux computer and the Common Unix Printing System (CUPS).

That Linux lawsuit: 20 years later, SCO vs IBM may finally be ending

  • ZDNet; By Steven J. Vaughan-Nichols (Posted by bob on Aug 31, 2021 5:34 AM CST)
  • Story Type: News Story; Groups: IBM, Linux, SCO
The SCO vs. IBM lawsuit that was once seen as an existential threat to Linux became a bad legal joke. Now the suit may finally be put to rest. Well, some of it anyway.

Write a guessing game in ncurses on Linux

  • Opensource.com (Posted by bob on Aug 30, 2021 11:21 PM CST)
  • Groups: Linux; Story Type: News Story
In my last article, I gave a brief introduction to using the ncurses library to write text-mode interactive applications in C. With ncurses, we can control where and how text gets displayed on the terminal. read more

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