LXer
How To Add a User to Sudoers On Debian 10 Buster
In today’s tutorial, we are going to see how you can add a user to sudoers on Debian distributions. The sudo command allows authorized users to perform commands as another user, which is by default the root user.
Writing Kubernetes controllers the wrong way is still useful
When you try to shoehorn an idea, approach, or code into a situation that[he]#039[/he]s not expecting it, you get surprising and fun results. In his Lightning Talk at the 17th annual Southern California Linux Expo (SCaLE 17x), "Writing Kubernetes controllers [he]#039[/he]the wrong way[he]#039[/he] is still useful," sysadmin Chris McEniry shares his experience with an out-of-cluster etcd-controller.
LibreOffice 6.2 Open-Source Office Suite Is Now Ready for Enterprise Deployments
The Document Foundation announced the release of the sixth maintenance update to the LibreOffice 6.2 open-source and cross-platform office suite series, marking it as ready for mainstream users and enterprise deployments.
Understanding Kubernetes Storage
Kubernetes storage is useful to storage administrators because it enables different forms of persistent, stateful data retention within Kubernetes cluster deployments, which are increasingly popular.
How to Setup Grafana and Prometheus on Linux
In today’s tutorial, we are going to take a look at one of the most popular monitoring stacks : Grafana and Prometheus. Prometheus is a time series database, created in 2012 and part of the Cloud Native Computing Foundation, that exposes dozens of exporters for you to monitor anything. On the other hand, Grafana is probably one of the most popular monitoring tools.
Moreutils – A Collection Of More Useful Unix Utilities
We all know about GNU core utilities that comes pre-installed with all Unix-like operating systems. These are the basic file, shell and text manipulation utilities of the GNU operating system. Meet moreutilis, a growing collection of more useful Unix utilities. The moreutils can be installed on GNU/Linux, and various Unix flavours such as FreeBSD, openBSD and Mac OS.
Concerns About IBM's Commitment to OpenSource.com After the Fall of Linux.com and Linux Journal
The Web site OpenSource.com is over two decades old; in its current form it's about a decade old and it contains plenty of good articles, but will IBM think so too and, if so, will investment in the site carry on?
GNOME and KDE team up on the Linux desktop, docs for Nvidia GPUs open up, a powerful new way to scan for firmware vulnerabilities, and more news
In this edition of our open source news roundup, we take a look two new powerful data visualization tools, Nvidia open sourcing GPU documentation, exciting new tooling to secure firmware for self-driving cars, and more!
What Docker Storage is All About
Learn what Docker containers are all about, including how to enable different types of storage to support stateful application deployment.
How to encrypt files with gocryptfs on Linux
Gocryptfs is a Filesystem in Userspace (FUSE)-mounted file-level encryption program. FUSE-mounted means that the encrypted files are stored in a single directory tree that is mounted, like a USB key, using the FUSE interface. This allows any user to do the mount—you don[he]#039[/he]t need to be root. Because gocryptfs encrypts at the file level, synchronization operations that copy your files can work efficiently on each file.
How to use apt Command in Linux
apt is a command-line utility for installing, updating, removing and otherwise managing deb packages on Ubuntu, Debian, and related Linux distributions. It combines the most frequently used commands from the apt-get and apt-cache tools with different default values of some options.
VMware's proposed Pivotal acquisition shows Cloud Foundry's strength
Not so long ago there were fears that Cloud Foundry and other Platform-as-a-Service programs were on their way out. VMware[he]#039[/he]s proposed purchase of Pivotal shows there[he]#039[/he]s a dance in the old PaaS yet.
Jetson Nano based robotics kit connects to SparkFun sensors
SparkFun has launched a version of Nvidia’s Jetson Nano based JetBot AI Kit robotics kit equipped with its Qwiic pHat, a wide-angle camera, and more. Also new: a SparkFun DLI Kit for Jetson Nano to use in conjunction with an Nvidia AI course. When Nvidia launched its Linux-powered Jetson Nano module and $99 Jetson Nano […]
Cockpit and the evolution of the Web User Interface
Over 3 years ago the Fedora Magazine published an article entitled Cockpit: an overview. Since then, the interface has see some eye-catching changes. Today’s Cockpit is cleaner and the larger fonts makes better use of screen real-estate. This article will go over some of the changes made to the UI. It will also explore some of the general tools available in the web interface to simplify those monotonous sysadmin tasks
Add-on for Octeon TX based SBCs enables up to 21 WiFi access points
Gateworks’ GW16081 mini-PCIe expansion modules can be connected to its Linux-driven Newport GW6400 and GW6300 networking SBCs, enabling up to 21 WiFi APs for multi-radio applications.
How to Install Redmine on Ubuntu 18.04
In this tutorial, we will show you how to install Redmine on an Ubuntu 18.04 VPS. Redmine is an open-source, cross-platform, and cross-database issue tracking and web-based project management application built on top on the Ruby on Rails framework.
Designing open audio hardware as DIY kits
Previously in this series about people who are developing audio technology in the open, I interviewed Juan Rios, developer and maintainer of Guayadeque and Sander Jansen, developer and maintainer of Goggles Music Manager. These conversations have broadened my thinking and helped me enjoy their software even more than before.
Canonical Outs Major Linux Kernel Updates for All Supported Ubuntu Releases
Canonical released major Linux kernel updates for all supported Ubuntu Linux operating system series to address dozens of security vulnerabilities affecting all supported architectures on desktop, server, and cloud.
Understanding Linux /etc/shadow File Format
2DayGeek: It's mandatory for Linux admin to understand /etc/shadow file format. If you don't know, check out this article now.
How to Convert Documents to PDF Format on the Ubuntu Command Line
In this article, we will explain how you can use the Ubuntu command line, the Terminal, in order to convert and batch convert .doc and .docx files to their pdf versions.
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DragonFlyBSD Pulls In AMD Radeon Graphics Code From Linux The 4.7 Kernel
It was just last month that DragonFlyBSD pulled in Radeon's Linux 4.4 kernel driver code as an upgrade from the Linux 3.19 era code they had been using for their open-source AMD graphics support. This week that's now up to a Linux 4.7 era port.
François Tigeot who continues doing amazing work on pulling in updates to DragonFlyBSD's graphics driver now upgraded the Radeon DRM code to match that of what is found in the upstream Linux 4.7.10 kernel.
| Android Leftovers
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TenFourFox FPR16b1 available
FPR16 got delayed because I really tried very hard to make some progress on our two biggest JavaScript deficiencies, the infamous issues 521 (async and await) and 533 (this is undefined). Unfortunately, not only did I make little progress on either, but the speculative fix I tried for issue 533 turned out to be the patch that unsettled the optimized build and had to be backed out. There is some partial work on issue 521, though, including a fully working parser patch. The problem is plumbing this into the browser runtime which is ripe for all kinds of regressions and is not currently implemented (instead, for compatibility, async functions get turned into a bytecode of null throw null return, essentially making any call to an async function throw an exception because it wouldn't have worked in the first place).
This wouldn't seem very useful except that effectively what the whole shebang does is convert a compile-time error into a runtime warning, such that other functions that previously might not have been able to load because of the error can now be parsed and hopefully run. With luck this should improve the functionality of sites using these functions even if everything still doesn't fully work, as a down payment hopefully on a future implementation. It may not be technically possible but it's a start.
| Simon Steinbeiß of Xfce, Dalton Durst of UBports, KDE Apps 19.08, Huawei – Destination Linux 135
Simon Steinbeiß of Xfce, Dalton Durst of UBports, KDE Applications, CutiePi Open Source Tablet, Huawei To Create Open Source Foundation, Rust Removes Linux Support, Stranded Deep Survival Game Fix
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