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Updated: 5 min 23 sec ago

How to install UFW and use it to set up a basic firewall

Thursday 19th of July 2018 01:32:09 PM
Setting up a firewall can be a huge pain. Iptables isn't exactly known for its friendly syntax, and management isn't much better. Fortunately, UFW makes the process a lot more bearable with simplified syntax and easy management tools.

How To Install Asterisk on Ubuntu 18.04

Thursday 19th of July 2018 12:17:49 PM
Asterisk is the most popular and widely adopted open source PBX platform that powers IP PBX systems, conference servers and VoIP gateways. It is used by individuals, small businesses, large enterprises and governments worldwide.

Aria2 WebUI: Clean Web Frontend for aria2

Thursday 19th of July 2018 11:03:29 AM
Aria2 WebUI is an open source web frontend for aria2. The software bills itself as the finest interface to interact with aria2. That’s a lofty goal considering the competition from the likes of uGet Download Manager (which offers an aria2 plugin).

3 Emacs modes for taking notes

Thursday 19th of July 2018 06:26:10 AM
No matter what line of work you[he]#039[/he]re in, it[he]#039[/he]s inevitable you have to take a few notes. Often, more than a few. If you[he]#039[/he]re like many people in this day and age, you take your notes digitally.

At Rest Encryption

Thursday 19th of July 2018 05:11:49 AM
There are many steps you can take to harden a computer, and a commonrecommendation you'll see in hardening guides is to enable disk encryption.Disk encryption also often is referred to as "at rest encryption", especiallyin security compliance guides, and many compliance regimes, such as PCI, mandatethe use of at rest encryption.

EncryptPad: Encrypted Text Editor For Your Secrets

Thursday 19th of July 2018 03:57:29 AM
EncryptPad is a simple, free and open source text editor that encrypts saved text files and allows protecting them with passwords, key files, or both. It's available on Windows, macOS, and Linux. The application comes with a GUI as well as a command line interface, and it also offers a tool for encrypting and decrypting binary files.

Mozilla Responds to European Commissions Google Android Decision

Thursday 19th of July 2018 01:28:48 AM
The decision by the European Commission today to sanction Google for practices regarding the Android mobile operating system drives home the importance of true openness in the mobile ecosystem. These are complex issues, and we expect that we will be evaluating the remedies and their repercussions for some time.

SDR meets AI in a mash-up of Jetson TX2, Artix-7, and 2×2 MIMO

Thursday 19th of July 2018 12:14:28 AM
Deepwave Digital has launched an Ubuntu-driven, $5K “AIR-T” Mini-ITX board for AI-infused SDR, equipped with an Nvidia Jetson TX2, a Xilinx Artix-7 FPGA, and an AD9371 2?2 MIMO transceiver. A Philadelphia based startup called Deepwave Digital has gone to Crowd Supply to launch its “Artificial Intelligence Radio [he]#8211[/he] Transceiver” (AIR-T) SBC.

Canonical Needs Your Help to Test the Improved Ubuntu 18.04.1 Server Installer

Wednesday 18th of July 2018 11:00:08 PM
Canonical's Dimitri John Ledkov put out a call for testing for the Ubuntu community to help them test drive the improved Ubuntu Server installer in the upcoming Ubuntu 18.04.1 LTS point release.

Linux chattr Command Tutorial for Beginners (5 Examples)

Wednesday 18th of July 2018 09:45:48 PM
Many a time, a Linux machine is used by different users. So there are chances that these users access a common set of files. This opens up door to problems like accidental deletion or editing of important files, something which you - as an administrator - would definitely not want to happen. Thankfully, there exists a command - dubbed chattr - that's developed to help you in specifically these kinds of scenarios.

How to (Safely) Add Code to functions.php in WordPress

Wednesday 18th of July 2018 08:31:28 PM
Scouring the Internet for solutions to WordPress problems will inevitably bring you to sites that ask you to insert some piece of code or the other into functions.php.

How to check free disk space in Linux

Wednesday 18th of July 2018 07:17:07 PM
Keeping track of disk utilization information is on system administrators' (and others') daily to-do list. Linux has a few built-in utilities that help provide that information.dfThe df command stands for "disk-free," and shows available and used disk space on the Linux system.df -h shows disk space in human-readable formatdf -a shows the file system's complete disk usage even if the Available field is 0read more

How To Install WordPress with LAMP Stack on Ubuntu 16.04

Wednesday 18th of July 2018 06:02:47 PM
WordPress is one of the world’s most popular content management systems (CMS). It is a free and open-source platform, which is used by millions of people for running blogs, business websites, e-commerce stores and much more.

Top Voting Machine Vendor Admits It Installed Remote-Access Software on Systems Sold to States

Wednesday 18th of July 2018 04:48:27 PM
The nation's top voting machine maker has admitted in a letter to a federal lawmaker that the company installed remote-access software on election-management systems it sold over a period of six years, raising questions about the security of those systems and the integrity of elections that were conducted with them.

Digital Audio Workstation REAPER Adds Experimental Native Linux Builds

Wednesday 18th of July 2018 03:34:07 PM
REAPER, a popular music production tool, added experimental native Linux builds to its download page with the latest 5.93 release.

Contributing to Fedora: Testing Packages

Wednesday 18th of July 2018 02:19:47 PM
Contribution to Fedora comes in many forms. Here’s a common misconception about contributing: “I’m not a developer, so what do they need me for?” However, there are many ways for non-developers to contribute to Fedora. One way is package testing. Before a new version of a package lands in the updates repository, it passes through […]

Set Up A Headless Deluge Server on Linux

Wednesday 18th of July 2018 01:05:27 PM
There are tons of ways to manage torrents on Linux. Many of the available clients are excellent, but some have distinct advantages. If you're looking to manage large numbers of torrents and manage them over your network, Deluge is easily the best option.

Nvidia 390.77 Linux Graphics Driver Improves Compatibility with Latest Kernels

Wednesday 18th of July 2018 11:51:07 AM
Nvidia released a new version of its long-lived proprietary display driver for GNU/Linux, FreeBSD, and Solaris systems to add compatibility with recent Linux kernels and fix various bugs.

Ballerina reinvents cloud-native programming

Wednesday 18th of July 2018 10:36:47 AM
Cloud-native programming inherently involves working with remote endpoints: microservices, serverless, APIs, WebSockets, software-as-a-service (SaaS) apps, and more. Ballerina is a cloud-native, general purpose, concurrent, transactional, and statically- and strongly-typed programming language with both textual and graphical syntaxes.

More in Tux Machines

Wine and Games for GNU/Linux

  • Wine 3.13 is out as well as DXVK 0.63 for D3D11 with Vulkan
    First of all the latest Wine development release is out with Wine 3.13 and on top of that DXVK for Vulkan-based D3D11 in Wine also release version 0.63.
  • Feral's GameMode 1.2 Released For Optimizing Linux Gaming
    For what just started out as a tool to ensure you are using the "performance" frequency scaling governor when running Linux games, Feral's open-source GameMode system tool has slowly been picking up some extra functionality. Out this weekend is Feral GameMode 1.2 as the newest release. GameMode 1.2 adds configuration options about the default and desired governors, now supports soft real-time scheduling on kernels with SCHED_ISO support and will then use renice to boost games to a higher priority, the GameMode service is now D-Bus activated than needing to be explicitly enabled by systemd, and the GameMode libraries are now properly versioned.
  • Stardew Valley multiplayer just got a PC release date
    Since the moment Stardew Valley launched back in 2016, multiplayer has been one of the most anticipated additions to the games. After a period of beta testing, it’s nearly ready to roll out on PC, Mac, and Linux. While it probably isn’t going to look a lot different from the beta that’s currently available, this is exciting news for more reasons than one.
  • Multiplayer is coming to ‘Stardew Valley’ on PC, Mac and Linux
    According to a tweet from Eric Barone (@ConcernedApe), the sole developer behind Stardew Valley, the feature is coming to the lighthearted farming game on August 1st. Along with the release date, the game’s developer also released a new trailer for the feature (see it above).
  • 'Stardew Valley' multiplayer arrives on PC, Mac and Linux August 1st

Android Leftovers

Jonathan Dieter: Small file performance on distributed filesystems - Round 2

Last year, I ran some benchmarks on the GlusterFS, CephFS and LizardFS distributed filesystems, with some interesting results. I had a request to redo the test after a LizardFS RC was released with a FUSE3 client, since it is supposed to give better small file performance. I did have a request last time to include RozoFS, but, after a brief glance at the documentation, it looks like it requires a minimum of four servers, and I only had three available. I also looked at OrangeFS (originally PVFS2), but it doesn’t seem to provide replication, and, in preliminary testing, it was over ten times slower than the alternatives. NFS was tested and its results are included as a baseline. I once again used compilebench, which was designed to emulate real-life disk usage by creating a kernel tree, reading all the files in the tree, simulating a compile of the tree, running make clean, and finally deleting the tree. The test was much the same as last time, but with one important difference. Last time, the clients were running on the same machines that were running the servers. LizardFS benefited hugely from this as it has a “prefer local chunkserver” feature that will skip the network completely if there’s a copy on the local server. This time around, the clients were run on completely separate machines from the servers, which removed that advantage for LizardFS, but which I believe is a better reflection on how distributed filesystems are generally used. I would like to quickly note that there was very little speed difference between LizardFS’s FUSE2 and FUSE3 clients. The numbers included are from the FUSE3 client, but they only differed by a few percentage points from the FUSE2 client. Read more

GNOME 3.30 Desktop Environment to Enter Beta on August 1, GNOME 3.29.4 Is Out

With a two-day delay, the GNOME Project through Javier Jardón announced today the release of the fourth and last development snapshot of the GNOME 3.30 desktop environment before it enters beta testing next month, GNOME 3.29.4, which continues to add improvements to various of GNOME's core components and applications. However, due to the summer vacation and the GUADEC conference, GNOME 3.29.4 isn't a major snapshot as many would have expected. It only adds some minor changes and bug fixes to a handful of components, including GNOME Shell, Mutter, Evolution, GNOME Photos, GNOME Builder, GNOME Online Accounts, Polari, Bijiben, Evince, Epiphany, Baobab, GNOME Control Center, and File Roller. Read more Also: GNOME 3.29.4 Released As Another Step Towards GNOME 3.30