Ubuntu Security Podcast

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Linux Journal Ceases Publication: An Awkward Goodbye 8 augusti, 2019
by Kyle Rankin IMPORTANT NOTICE FROM LINUX JOURNAL, LLC: On August 7, 2019, Linux Journal shut its doors for good. All staff were laid off and the company is left with no operating funds to continue in any capacity. The website will continue to stay up for the next few weeks, hopefully longer for archival […]
Oops! Debugging Kernel Panics 7 augusti, 2019
by Petros Koutoupis A look into what causes kernel panics and some utilities to help gain more information. Working in a Linux environment, how often have you seen a kernel panic? When it happens, your system is left in a crippled state until you reboot it completely. And, even after you get your system back […]
Loadsharers: Funding the Load-Bearing Internet Person 7 augusti, 2019
by Eric S. Raymond The internet has a sustainability problem. Many of its critical services depend on the dedication of unpaid volunteers, because they can't be monetized and thus don't have any revenue stream for the maintainers to live on. I'm talking about services like DNS, time synchronization, crypto libraries—software without which the net and […]
Documenting Proper Git Usage 7 augusti, 2019
by Zack Brown Jonathan Corbet wrote a document for inclusion in the kernel tree, describing best practices for merging and rebasing git-based kernel repositories. As he put it, it represented workflows that were actually in current use, and it was a living document that hopefully would be added to and corrected over time. The inspiration […]
Understanding Python's asyncio 7 augusti, 2019
by Reuven M. Lerner How to get started using Python's asyncio. Earlier this year, I attended PyCon, the international Python conference. One topic, presented at numerous talks and discussed informally in the hallway, was the state of threading in Python—which is, in a nutshell, neither ideal nor as terrible as some critics would argue. A […]
RV Offsite Backup Update 7 augusti, 2019
by Kyle Rankin Having an offsite backup in your RV is great, and after a year of use, I've discovered some ways to make it even better. Last year I wrote a feature-length article on the data backup system I set up for my RV (see Kyle's "DIY RV Offsite Backup and Media Server" from […]
Another Episode of "Seems Perfectly Feasible and Then Dies"--Script to Simplify the Process of Changing System Call Tables 7 augusti, 2019
by Zack Brown David Howells put in quite a bit of work on a script, ./scripts/syscall-manage.pl, to simplify the entire process of changing the system call tables. With this script, it was a simple matter to add, remove, rename or renumber any system call you liked. The script also would resolve git conflicts, in the […]
Experts Attempt to Explain DevOps--and Almost Succeed 7 augusti, 2019
by Bryan Lunduke What is DevOps? How does it relate to other ideas and methodologies within software development? Linux Journal Deputy Editor and longtime software developer, Bryan Lunduke isn't entirely sure, so he asks some experts to help him better understand the DevOps phenomenon. The word DevOps confuses me. I'm not even sure confuses me […]
DNA Geometry with cadnano 7 augusti, 2019
by Joey Bernard This article introduces a tool you can use to work on three-dimensional DNA origami. The package is called cadnano, and it's currently being developed at the Wyss Institute. With this package, you'll be able to construct and manipulate the three-dimensional representations of DNA structures, as well as generate publication-quality graphics of your […]
Running GNOME in a Container 7 augusti, 2019
by Adam Verslype Containerizing the GUI separates your work and play. Virtualization has always been a rich man's game, and more frugal enthusiasts—unable to afford fancy server-class components—often struggle to keep up. Linux provides free high-quality hypervisors, but when you start to throw real workloads at the host, its resources become saturated quickly. No amount […]

Can you connect a Raspberry Pi to a GoPro Hero 6? 27 januari, 2020
A contractor is drilling in the office space above ours, and it sounds like we’re under attack by a swarm of very angry, Transformeresque bees. We can’t hear ourselves think. Although we can hear the drills. Because of this disruption, I (Alex) am unable to focus on words. [Ed’s note: me too. We apologies for […]
What was your first Raspberry Pi project? 24 januari, 2020
Quick and simple blog post today: what was your first Raspberry Pi project? Or, if you’ve yet to enter the world of Raspberry Pi ownership, what would you like to do with your Raspberry Pi once you get one? Answer in the comments below, or on Twitter using #MyFirstRaspberryPi. Photos aren’t necessary, but always welcome […]
HackSpace’s 25 ways to use a Raspberry Pi 23 januari, 2020
The latest issue of HackSpace magazine is out today, and it features a rather recognisable piece of tech on the front cover. 25 ways of using this tiny computer From personal computing and electronic fashion to robotics and automatic fabrication, Raspberry Pi is a rather adaptable piece of kit. And whether you choose to use […]
Citizen science traffic monitoring with Raspberry Pi 22 januari, 2020
Homes in Madrid, Dublin, Cardiff, Ljubljana, and Leuven are participating in the Citizens Observing UrbaN Transport (WeCount) project, a European Commission–funded research project investigating sustainable economic growth. 1,500 Raspberry Pi traffic sensors will be distributed to homes in the five cities to gather data on traffic conditions. Every hour, the devices will upload information to […]
TechWiser’s giant Raspberry Pi AirPod speaker (and more) 21 januari, 2020
YouTube is a haven for awesome Raspberry Pi projects, and we often spend time scanning through the platform’s wares for hidden gems. One such hidden gem is this video from TechWiser, in which they showcase some of their favourite Raspberry Pi projects: Cool Raspberry Pi 4 Projects We Use At TechWiser Here are some of […]
Connect your Raspberry Pi 4 to an iPad Pro 20 januari, 2020
Have you ever considered attaching your Raspberry Pi 4 to an Apple iPad Pro? How would you do it, and why would you want to? Here’s YouTuber Tech Craft to explain why Raspberry Pi 4 is their favourite iPad Pro accessory, and why you may want to consider using yours in the same way. We’ve […]
Fake cases — make sure yours is the real deal 17 januari, 2020
We’ve had some reports of people finding cases that pretend to be official Raspberry Pi products online — these are fakes, they’re violating our trademark, they’re not made very well, and they’re costing you and us money that would otherwise go to fund the Raspberry Pi Foundation’s charitable work. (Reminder, for those who are new […]
Code a Boulder Dash mining game | Wireframe #30 16 januari, 2020
Learn how to code a simple Boulder Dash homage in Python and Pygame. Mark Vanstone shows you how. Boulder Dash Boulder Dash first appeared in 1984 for the Commodore 64, Apple II, and the Atari 400/800. It featured an energetic gem collector called Rockford who, thanks to some rather low-resolution graphics, looked a bit like […]
Protect your veggies from hail with a Raspberry Pi Zero W 15 januari, 2020
Tired of losing vegetable crops to frequent summertime hail storms, Nick Rogness decided to build something to protect them. And the result is brilliant! Digital Garden with hail protection Tired of getting your garden destroyed by hail storms? I was, so I did something about it…maker style! “I live in a part of the country […]
Can algorithms be unethical? 14 januari, 2020
At Raspberry Pi, we’re interested in all things to do with technology, from building new tools and helping people teach computing, to researching how young people learn to create with technology and thinking about the role tech plays in our lives and society. One of the aspects of technology I myself have been thinking about […]

How to Install Polr Link Shortener on Debian 10 27 januari, 2020
Polr is a free and open-source URL shortener that allows you to host your own link shortener. In this tutorial, we will show you how to install Polr Link Shortener on Debian 10 server.
How to install Nextcloud with ISPConfig 3.1 27 januari, 2020
This tutorial shows you how to install nextcloud on an ISPConfig server by adding a website, database and FTP user in ISPConfig and then installing Nextcloud into the web directory of the newly added website.
Maintaining remote Websites with Sitecopy on Ubuntu 18.04 26 januari, 2020
Sitecopy is a tool for copying locally stored websites to a remote web server (via FTP or WebDAV). It helps you to keep the remote site in sync with your local copy by uploading modified local files and deleting remote files deleted on the local computer. This tutorial shows you how to manage your remote […]
How to Install Wekan Kanban with Nginx and Let's Encrypt SSL on Debian 10 24 januari, 2020
Wekan is a free and open-source Kanban Board built with the Meteor JavaScript framework and is distributed under the MIT license. It is very similar to Workflowy and Trello that helps you to manage day-to-day tasks, prepare todo lists, managing other people, etc.
Install Adminer Database Management Tool on Debian 10 23 januari, 2020
Managing database systems like MySQL, PostgreSQL, Oracle, and SQLite form the web-based UI is easier than using the command-line tool. Adminer is one of the best full-featured database management tool written in PHP.
How to Install Visual Studio Code - Server IDE on Ubuntu 18.04 LTS 21 januari, 2020
Code-server is a Visual Studio Code (VS) that can be run remotely on the server and which is accessible through a web browser. It allows you to create and have a consistent development environment that can be accessed anytime and everywhere.
How to Install Plex Media Server on CentOS 8 20 januari, 2020
Plex is a free, open-source and full-featured media server that allows you to stream your photos, video and audio files on your PC, tablet, phone from anywhere around the world. In this tutorial, we will show you how to install Plex Media Server on CentOS 8 with Nginx as a reverse proxy.
How to Install OpenLiteSpeed HTTP Server with PHP on Ubuntu 18.04 LTS 17 januari, 2020
OpenLiteSpeed is an open-source HTTP server developed by LiteSpeed Technologies. It is a high-performance and lightweight HTTP server with a web-based GUI for administration. In this tutorial, we show you how to install OpenLiteSpeed with the MariaDB database and the current PHP 7.4 on the Ubuntu 18.04 server.
How to Install DokuWiki with Nginx and Let's encrypt SSL on Debian 10 16 januari, 2020
DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database. It is loved by users for its clean and readable syntax. This tutorial will show you how to install DokuWiki on a fresh Debian 10 (buster) server.
How to Setup FEMP Stack (FreeBSD, Nginx, MySQL 8 and PHP 7.4) on FreeBSD 12 15 januari, 2020
FEMP is an acronym that stands for FreeBSD (operating system), Nginx (HTTP server pronounced Engine-x), MySQL (database server), and PHP (programming language to process dynamic PHP content). In this tutorial, we'll set up components of a FEMP stack on a FreeBSD 12.1 server using pkg, the FreeBSD package manager.

Use Vim to manage your task list and access Reddit and Twitter 28 januari, 2020
Last year, I brought you 19 days of new (to you) productivity tools for 2019. This year, I'm taking a different approach: building an environment that will allow you to be more productive in the new year, using tools you may or may not already be using.read more
Build your own cloud with Fedora 31 and Nextcloud Server 28 januari, 2020
Build a personal cloud using Fedora and Nextcloud.
Solus 4.1 Released with Zstd Compression, Improved Gaming 27 januari, 2020
The Solus 4.1 operating system has been released as refreshed installation medium for all supported flavors, adding new features, improvements, and updated components.
Optimize Jpeg/jpg Images through the Debian Command line 27 januari, 2020
In this article we describe how to install the command line utility Jpegoptim on your Debian. We will also explain different ways you can use this program to optimize and compress your jpeg image files.
Using systemd Path Units to Monitor Files and Trigger Actions on Changes 27 januari, 2020
How systemd path units work together with service units to monitor files and directories and trigger actions on changes.

Explaining Knative, the Project to Liberate Serverless from Cloud Giants
Today, using serverless means choosing a cloud platform to lock yourself into. The open source project expected to fix that is approaching prime time.
Use Vim to manage your task list and access Reddit and Twitter
Last year, I brought you 19 days of new (to you) productivity tools for 2019. This year, I'm taking a different approach: building an environment that will allow you to be more productive in the new year, using tools you may or may not already be using.read more
Build your own cloud with Fedora 31 and Nextcloud Server
Build a personal cloud using Fedora and Nextcloud.
Solus 4.1 Released with Zstd Compression, Improved Gaming
The Solus 4.1 operating system has been released as refreshed installation medium for all supported flavors, adding new features, improvements, and updated components.
Optimize Jpeg/jpg Images through the Debian Command line
In this article we describe how to install the command line utility Jpegoptim on your Debian. We will also explain different ways you can use this program to optimize and compress your jpeg image files.
Using systemd Path Units to Monitor Files and Trigger Actions on Changes
How systemd path units work together with service units to monitor files and directories and trigger actions on changes.
Deepin Music – a beautiful and simple music player
I’ve reviewed a smorgasbord of open source music players. But there’s still quite a few I’ve yet to put through their paces. For this review, I’m looking at Deepin Music. The software bills itself as a “beautiful and simple music player that plays local audio. It supports viewing lyrics during playback, playing lossless audio, and […]
How to get started with test-driven development
I am often approached by software developers who are on board with the switch to test-driven development (TDD). They understand that describing expectations first and then writing code to meet those expectations is the best way to write software. And they agree that writing tests first does not introduce any overhead since they must write […]
Regex for Linux – Regular Expression Syntax for Beginners
Regex for Linux, regular expressions are similar to the wildcards which allow us to create a pattern to perform a specific search in data.
How to install Nextcloud with ISPConfig 3.1
This tutorial shows you how to install nextcloud on an ISPConfig server by adding a website, database and FTP user in ISPConfig and then installing Nextcloud into the web directory of the newly added website.
A guide to staying organized with open source tools
With so many tools on the web offered as services, there[he]#039[/he]s more to getting organized than just choosing the most convenient online vendor. You have to think of your system of organization as part of your product, whether that[he]#039[/he]s personal productivity or a software project you ship to hundreds or thousands of users. Using open […]
Use Vim to send email and check your calendar
Last year, I brought you 19 days of new (to you) productivity tools for 2019. This year, I[he]#039[/he]m taking a different approach: building an environment that will allow you to be more productive in the new year, using tools you may or may not already be using.
Whats your favorite Linux distribution?
What[he]#039[/he]s your favorite Linux distribution? Take our 7th annual poll. Some have come and gone, but there are hundreds of Linux distributions alive and well today. The combination of distribution, package manager, and desktop creates an endless amount of customized environments for Linux users.
How To Git Commit With Message
Git commit messages are crucial : they are used in order to describe and share with others what you did. They are also used when trying to hotfix issues happening on your master branches. In this tutorial, you are going to learn how you can create Git commits with messages.
Maintaining remote Websites with Sitecopy on Ubuntu 18.04
Sitecopy is a tool for copying locally stored websites to a remote web server (via FTP or WebDAV). It helps you to keep the remote site in sync with your local copy by uploading modified local files and deleting remote files deleted on the local computer. This tutorial shows you how to manage your remote […]
Distrowatch is NOT a Measure for Distributions Popularity
What we unfortunately notice in a lot of discussions online about Linux distributions is that people tend to use that ranking in an attempt to figure out which distribution is more popular than the other. But this is totally wrong.
Thunderbolt â€“ how to use keyboard during boot time
Imagine you bought a new laptop with a shiny new USB-C docking station. You install fresh Fedora, encrypt your hard drive because laptop is a travel equipment and you do not want to travel around with non-ecrypted hard drive. You finish the installation, close the lid because you have external monitor, reboot the […]
A new glimmer of hope for Linux
Linux ranks third in the operating system market, and since the beginning of the new millennium, it has entered the best desktop operating system struggle after it won the title of the best server system “undisputedly”, so the GNU Linux developers began making plans to bring in more users, but it was not as effective […]
How to Configure ElasticSearch and Speed Up WordPress
In this guide you going to learn how to install ElasticSearch and configure it with your WordPress and optimize the search queries using ElasticPress WordPress plugin.
Open-spec SBC serves up 4k camera-oriented Allwinner V536 SoC
The open-spec “Lindenis V536” SBC runs Linux on the Cortex-A7-based Allwinner V536, a 4k camera-oriented SoC with integrated ISP and VPU. The 130 x 85mm SBC design is built in an SoM plus baseboard configuration. Lindenis Tech Ltd., a Shenzhen, China startup staffed by former Allwinner employees, has released the Lindenis V536, an open spec, […]

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UF-WIFI is a Gigabit Passive Optical Network CPE with built-in WiFi
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