Category: Linux

Linux Server Managment

FreeBSD add a user to group nixCraft Updated Tutorials/Posts

How do I add a user to group under FreeBSD operating system? How can I add a user named top to existing group on a FreeBSD? How do I add a user to a group

FreeBSD Install Nginx Webserver Tutorial nixCraft Updated Tutorials/Posts

How do I install an Nginx webserver under a FreeBSD Unix operating system? How can I install Nginx web server on FreeBSD?nginx [engine x] is a HTTP server, reverse proxy and mail proxy server written

FreeBSD install PHP 7.2 with FPM for Nginx nixCraft

How do I install install PHP 7.2 with FPM for Nginx web server running on FreeBSD operating system?Introduction: PHP is an acronym for “PHP: Hypertext Preprocessor.” It is an open source general-purpose scripting language. PHP

5 ways to play old-school games on a Raspberry Pi

They don’t make ’em like they used to, do they? Video games, I mean. Sure, there’s a bit more grunt in the gear now. Princess Zelda used to be 16 pixels in each direction; there’s

Control your data with Syncthing: An open source synchronization tool

These days, some of our most important possessions—from pictures and videos of family and friends to financial and medical documents—are data. And even as cloud storage services are booming, so there are concerns about privacy and

Top 3 benefits of company open source programs

Many organizations, from Red Hat to internet-scale giants like Google and Facebook, have established open source programs (OSPO). The TODO Group, a network of open source program managers, recently performed the first annual survey of corporate open source programs, and it revealed some interesting findings on the actual benefits of open source programs.

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What is Istio?

One of the key metrics or performance indicator of a microservices software architecture and environment is lead time (the amount of time it takes to get from idea to production). Many things have an impact on

Python 3.7 beginner's cheat sheet

For more discussion on open source and the role of the CIO in the enterprise, join us at The EnterprisersProject.com. The opinions expressed on this website are those of each author, not of the author’s

8 Python packages that will simplify your life with Django

eight stones balancing

Django developers, we’re devoting this month’s Python column to packages that will help you. These are our favorite Django libraries for saving time, cutting down on boilerplate code, and generally simplifying our lives. We’ve got six packages for Django apps and two for Django’s REST Framework, and we’re not kidding when we say these packages show up in almost every project we work on.

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Ubuntu Enable & Setup Automatic Unattended Security Updates nixCraft

I have minimal Ubuntu Linux 18.04 LTS server setup in the cloud. I read that one can configure Ubuntu Linux to download and install security updates when released automatically. How can I set up automatic

Linux find largest file in directory recursively using find/du nixCraft

I have 500GB SSD installed on my Linux server. My web server is running out of the disk space. I need to find a biggest or largest file concerning file size on the disk. How

CentOS / RHEL See Detailed History Of yum history Commands nixCraft Updated Tutorials/Posts

I would like to see detailed information on the history of yum transactions such as updates, deleted packages, and other information. How do I see history of yum commands on a CentOS Linux/ RHEL 6.x

Bash get basename of filename or directory name nixCraft

I need to extract file basename in bash running on Linux. How can I use bash to get basename of filename or directory name for given path?Introduction: One can extract filename and extension in bash

3 top Python libraries for data science

Python’s many attractions—such as efficiency, code readability, and speed—have made it the go-to programming language for data science enthusiasts. Python is usually the preferred choice for data scientists and machine learning experts who want to

Python programming, log aggregation tools, open source economics, Prometheus monitoring, Kubernetes, and more

Our growing collection of cheat sheets provides handy quick-start guides for containers, SELinux, awk, Linux networking, SSH, and more. Do you have an idea for a new cheat sheet? Let us know about it: open@opensource.com.

Convert files at the command line with Pandoc

document sending

Pandoc is a command-line tool for converting files from one markup language to another. Markup languages use tags to annotate sections of a document. Commonly used markup languages include Markdown, ReStructuredText, HTML, LaTex, ePub, and Microsoft Word DOCX.

In plain English, Pandoc allows you to convert a bunch of files from one markup language into another one. Typical examples include converting a Markdown file into a presentation, LaTeX, PDF, or even ePub.

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A day in the life of a log message

Chaotic systems tend to be unpredictable. This is especially evident when architecting something as complex as a distributed system. Left unchecked, this unpredictability can waste boundless amounts of time. This is why every single component

What the gamer means to open source coder culture

The first episode of Season 2 of the Command Line Heroes podcast drops today. (New episodes will be available every other week, and there’s also bonus material you can get via the newsletter.) The new season focuses on seven big influencers that have shaped IT infrastructure and modern development over the last 40 years.

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Open Jam, the open source game jam, returns for 2018

Team Scripta is back with the second annual Open Jam, a game jam that promotes open source games and game creation tools. Open Jam 2018 will run from October 5th-8th. What is a game jam?

CentOS Pulse Newsletter, September 2018 (#1804)

Dear CentOS enthusiast, Here’s what’s been happening in the past month at CentOS Releases and Updates The following releases and updates happened in August. For each update, the given URL provides the upstream notes about