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Updated: 1 hour 57 min ago

A sysadmin's handy cheat sheet for SELinux

Monday 13th of August 2018 06:38:08 PM
SELinux may seem complex at first, but with the right cheat sheet it can become a powerful ally for sysadmins. This guide is designed to help you to improve your skills managing and using Security-Enhanced Linux.Also check out my more in-depth article, A sysadmin's guide to SELinux: 42 answers to the big questions.Download the free SELinux cheat sheet.read more

Encrypting NFSv4 with Stunnel TLS

Monday 13th of August 2018 05:23:48 PM
NFS clients and servers push file traffic over clear-text connections in the default configuration, which is incompatible withsensitive data. TLS can wrap this traffic, finally bringing protocol security. Before you use your cloud provider's NFS tools, reviewall of your NFS usage and secure it where necessary.

How to Install GetSimple CMS on Ubuntu 18.04 LTS

Monday 13th of August 2018 04:09:28 PM
GetSimple CMS is a free, open source, simple and easy to use web Content Management System that can be used to create blogs and websites. In this tutorial, we will explain how to install GetSimple CMS on Ubuntu 18.04 server.

Convert file systems with Fstransform

Monday 13th of August 2018 02:55:08 PM
Few people know that they can convert their filesystems from one type to another without losing data, i.e. non-destructively. It may sound like magic, but Fstransform can convert an ext2, ext3, ext4, jfs, reiserfs or xfs partition to another type from the list in almost any combination. More importantly, it does so in-place, without formatting […]

A new SteamOS beta is out with GPU driver updates and a fresh Linux kernel

Monday 13th of August 2018 01:40:48 PM
Not to be confused with the upcoming SteamOS 3.0, this beta update is for the current 'Brewmaster' release.

Akademy 2018 Day 2

Monday 13th of August 2018 12:26:28 PM
Day 2 of Akademy started with a wonderfully insightful keynote by Claudia Garad, the Executive Director of Wikimedia Austria.

Tips for using the top command in Linux

Monday 13th of August 2018 10:13:21 AM
Trying to find out what's running on your machine—and which process is using up all your memory and making things slllooowwww—is a task served well by the utility top.top is an extremely useful program that acts similar to Windows Task Manager or MacOS's Activity Monitor. Running top on your *nix machine will show you a live, running view of the process running on your system.read more

How to Install MongoDB on Ubuntu 18.04

Monday 13th of August 2018 06:55:53 AM
In this tutorial, we will cover the process of installing and configuring the latest version of MongoDB Community Edition on a Ubuntu 18.04 machine from the official MongoDB repositories.

Vocal – a modern Vala podcast player

Monday 13th of August 2018 04:04:20 AM
Vocal bills itself as a powerful, fast, and intuitive application that helps users find new podcasts, manage their libraries, and enjoy the best that independent audio and video publishing has to offer.

The Enigma of AI & Cybersecurity

Monday 13th of August 2018 01:12:47 AM
We've only seen the beginning of what artificial intelligence can do for information security.

Canonical Releases New Linux Kernel Live Patch for Ubuntu 18.04 LTS and 16.04 LTS

Sunday 12th of August 2018 11:18:25 PM
Canonical released a new Linux kernel live patch for all of its supported Ubuntu Linux operating system releases to address various security vulnerabilities for those who use the Canonical Livepatch Service.

Akademy 2018 Day 1

Sunday 12th of August 2018 09:24:03 PM
Lydia Pintscher, President of KDE e.V. opens this year[he]#039[/he]s Akademy.Akademy 2018 got off to a wet start with rains accompanying all attendees pouring into Vienna for KDE[he]#039[/he]s largest annual community conference.

#DEFCON DHS Says Collaboration Needed for Secure Infrastructure and Elections

Sunday 12th of August 2018 05:15:29 PM
prior to the 2016 elections, attackers had been trying to hack the election process “for decades”, and while it was very difficult to manipulate an election, those running elections are not the most resourced, so the challenge had to be on how to help them ensure their security and use best practices for when they deal with old technology and software.

Ubuntu 18.04 Vs. Fedora 28

Sunday 12th of August 2018 03:21:07 PM
Hello folks. Today I'll highlight some of the features and differences between the two popular Linux distros; Ubuntu 18.04 and Fedora 28. Each has their own package management; Ubuntu uses DEB while Fedora uses RPM, but both of them features the same Desktop Environment (GNOME) and aims to provide quality desktop experience for the Linux users.

Linux Apps Are Now Available on More Chromebooks Powered by Intel Braswell CPUs

Sunday 12th of August 2018 09:28:57 AM
It looks like Google is taking support for Linux apps very seriously lately by recently enabling its integrated virtualization machine for running Linux apps on Chrome OS to support Chromebooks powered by Intel Braswell CPUs.

How to Change Hostname on Debian 9

Sunday 12th of August 2018 07:34:35 AM
This tutorial will guide you through the steps required to change the hostname on your Debian 9 system.

Weekend Reading: All Things Bash

Sunday 12th of August 2018 05:40:13 AM
Bash is a shell and command language. It is distributed widely as the default login shell for most Linux distributions. We've rounded up some of the most popular Bash-related articles for your weekend reading.

KDE Frameworks 5.49.0 Released for KDE Plasma 5.13 with over 200 Improvements

Sunday 12th of August 2018 03:45:51 AM
The KDE Project released today KDE Frameworks 5.49.0, a monthly update of the open-source software suite for the latest stable KDE Plasma 5 desktop environment.

How to Install tar.gz in CentOS

Sunday 12th of August 2018 01:51:29 AM
Most of the time you’ll be installing packages with the built-in Linux package manager. For CentOS, that’s yum. For Debian, it’s apt-get and so on. If you’re lucky. Unfortunately, not all useful software is neatly packaged in repositories. There’s a lot of it lying wild out there, just waiting to be compiled and installed. In this article, we’ll show you how to install tar.gz files using the traditional manner on a fresh CentOS install.

The Beginner’s Guide to the dpkg Command in Debian-Based Linux Distro

Saturday 11th of August 2018 11:57:07 PM
Dpkg is the low-level tool that every Debian-based distro uses to manage their software. Here we show you the basics of the dpkg command and its usage.

More in Tux Machines

OSS Leftovers

  • Uber Open Sources Its Large Scale Metrics Platform M3
    Uber's engineering team released its metrics platform M3, which it has been using internally for some years, as open source. The platform was built to replace its Graphite based system, and provides cluster management, aggregation, collection, storage management, a distributed time series database (TSDB) and a query engine with its own query language M3QL. [...] M3's query engine provides a single global view of all metrics without cross region replication. Metrics are written to local regional M3DB instances and replication is local to a region. Queries go to both the regional local instances as well as to coordinators in remote regions where metrics are stored. The results are aggregated locally, and future work is planned wherein  any query aggregation would happen at the remote coordinators.
  • SD Times Open-Source Project of the Week: Dev.to
    This week’s highlighted project comes courtesy of a community of developers who hope that their codebase will be used to foster communities like theirs, focused on education and collaboration among peers of any skill level. Dev.to’s codebase is open-source as of last week week and the community-building platform’s developers think that further community involvement in development will lead to great things. [...] Halpern made sure to clarify in the post that this release is not simply a library for creating the types of community-driven communication platforms that dev.to embodies, but the for-profit company’s entire codebase. “However, that is a perfectly valid use case in the future,” Halpern wrote in a post leading up to the release. “If you are interested in contributing such that we can eventually help people stand up their own version of this platform for their own business or society, we’ll definitely welcome that input.” The platform is a Ruby on Rails app with a Preact front-end. The company is hard at work on native apps for iOS and Android but say its technology choices are fluid.
  • RLS 1.0 release candidate
    The current version of the Rust Language Server (RLS), 0.130.5, is the first 1.0 release candidate. It is available on nightly and beta channels, and from the 3rd September will be available with stable Rust. 1.0 for the RLS is a somewhat arbitrary milestone. We think the RLS can handle most small and medium size projects (notable, it doesn't work with Rust itself, but that is large and has a very complex build system), and we think it is release quality. However there are certainly limitations and many planned improvements. It would be really useful if you could help us test the release candidate! Please report any crashes, or projects where the RLS gives no information or any bugs where it gives incorrect information.
  • Mozilla brings back Stylish Add-on to Firefox after it was Banned Last Year
    The Stylish add-on, with which you can give websites their very own style, is back for Firefox. This improvement has been welcomed by many users. The history of this Add-on is quite complicated as it was supposedly twice removed and added back before it was removed again. Now it has been added back as reported by Vess (@VessOnSecurity). [...] The add-on Stylish has been brought back in the Mozilla’s add-on storehouse. What users should know: This expansion was criticized some time prior as a user data collector and has been prohibited and banned a year back from Mozilla’s Add-on store. Owing to its notoriety of collecting data of users’ website visits in a way which makes it convenient to reveal users’ identity to third parties, Google and Mozilla banned it last year. It is indeed surprising as to why Mozilla decided to bring it back to its browser after it was criticized for compromising users’ identity.
  • LibreOffice 6.1: A week in stats
    On August 8, we announced LibreOffice 6.1, a new version of the suite with many great features and updates created by our worldwide community. Let’s look at some stats from the last week!
  • Graphos 0.7 released
    Graphos 0.7 has been released a couple of days ago!
  • Tesla open sources its security software, Hollywood goes open source, and more news
  • How Changa Bell is taking an ‘open source’ approach to grow the Black Male Yoga Intiative
  • As Academic Publishers Fight And Subvert Open Access, Preprints Offer An Alternative Approach For Sharing Knowledge Widely
    That's certainly true, but is easy to remedy. Academics who plan to publish a preprint could offer a copy of the paper to the group of trusted journalists under embargo -- just as they would with traditional papers. One sentence describing why it would be worth reading is all that is required by way of introduction. To the extent that the system works for today's published papers, it will also work for preprints. Some authors may publish without giving journalists time to check with other experts, but that's also true for current papers. Similarly, some journalists may hanker after full press releases that spoon-feed them the results, but if they can't be bothered working it out for themselves, or contacting the researchers and asking for an explanation, they probably wouldn't write a very good article anyway. The other concern relates to the quality of preprints. One of the key differences between a preprint and a paper published in a journal is that the latter usually goes through the process of "peer review", whereby fellow academics read and critique it. But it is widely agreed that the peer review process has serious flaws, as many have pointed out for years -- and as Sheldon himself admits. Indeed, as defenders note, preprints allow far more scrutiny to be applied than with traditional peer review, because they are open for all to read and spot mistakes. There are some new and interesting projects to formalize this kind of open review. Sheldon rightly has particular concerns about papers on public health matters, where lives might be put at risk by erroneous or misleading results. But major preprint sites like bioRxiv (for biology) and the upcoming medRxiv (for medicine and health sciences) are already trying to reduce that problem by actively screening preprints before they are posted.
  • MUMPS Masochism part I: Line and Block Scope

    It's sort of an open secret that I sometimes use ANSI M, better known as MUMPS. It was developed in the 60's, and it definitely still looks like something from the 60's. But it's 1,000 times uglier than anything from that decade. I've made plenty of people, from software testers at work to other developers on IRC, recoil in horror from showing them samples of even relatively mundane code like a simple "Hello, World!".

  • OpenSSH Username Enumeration
     

    We realized that without this patch, a remote attacker can easily test whether a certain user exists or not (username enumeration) on a target OpenSSH server

Microsoft Openwashing

  • Microsoft open sources new framework for Windows driver development [Ed: openwashing Microsoft Windows by pretending that when you write proprietary drivers for a proprietary O/S that does DRM, spies on users etc. you actually do something "open"]
  • Microsoft to Open Source Its Network Replication Software [Ed: Microsoft is openwashing some more of its entirely proprietary 'offerings', a hallmark of a company of liars. Come to us! The traps are free, the cages will be "open".]
  • GitHub goes off the Rails as Microsoft closes in [Ed: Microsoft will take GitHub off the rail like it did Skype and LinkedIn (totally lost)]
    GitHub's platform group is about 155 people at the moment and growing, said Lambert. And much of the group's focus is on breaking GitHub apart. GitHub is about a third of the way through an architectural change that began last year. The company is moving away from Ruby on Rails toward a more heterogeneous, composable infrastructure. Ruby still has a place at GitHub – Lambert referred to the company as a Ruby shop, but he said there's more Go, Java and even some Haskell being deployed for services. The goal, he explained, is to make GitHub's internal capabilities accessible to integrators and partners. "Our monolith is starting to break up and we're starting to abstract things into services," said Lambert. "The platform we've chosen to put them on is Kubernetes."

Android Leftovers

Benchmarks Of Btrfs RAID On Four Samsung 970 EVO NVMe SSDs

With the MSI MEG X399 CREATION that we received as part of the launch package for the Threadripper 2950X and Threadripper 2990WX it includes the XPANDER-AERO that provides 4-way M.2 NVMe SSD slots on a PCI Express x16 card. The XPANDER-AERO is actively cooled and could be passed off as a small form factor graphics card upon a very cursory examination. With this card I've been running tests on four Samsung 970 EVO NVMe SSDs in RAID to offer stellar Linux I/O performance. Here are some initial benchmarks using Btrfs. Read more