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TuxMachines: Canonical Plans to Unify and Clean Up Networking Configuration in Ubuntu Linux

Thursday 4th of August 2016 04:38:30 AM

Canonical, though Martin Pitt, the systemd maintainer for the Ubuntu Linux operating system, announced recently plans to unify and clean up the networking configuration in Ubuntu via a new project called "netplan."

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TuxMachines: Linux 4.4 To 4.7 - EXT4 vs. F2FS vs. Btrfs Benchmarks

Thursday 4th of August 2016 04:34:47 AM

I've been a bit behind on my file-system benchmarking the past few months but for your viewing pleasure today are some EXT4 vs. Btrfs vs. F2FS file-system tests on an NVMe SSD when testing the Linux 4.4, 4.5, 4.6, and 4.7 kernels.

The three file-systems were each tested on the latest four stable kernel series. In the next week or so I will provide some complementary figures using Linux 4.8 Git once the merge window is over and the release candidates begin. All of the file-systems were tested with the Samsung 950 PRO M.2 NVM Express SSD.

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Reddit: AMD Open Sources more Freesync Code

Thursday 4th of August 2016 03:59:39 AM

LXer: Create a MySQL Database and User through cPanel

Thursday 4th of August 2016 03:57:19 AM
There are different ways to create a MySQL database and user. In one of our previous blog articles about MySQL database administration, we described how to create a new MySQL database and user through the command line which is pretty easy.

Reddit: Is it possible to force write to a block device that seems to be permanently read-only?

Thursday 4th of August 2016 03:08:54 AM

I have a 128GB micro SD card that I'd like to blow away. I use the card for my dashcam and it failed to format for me, so I am trying to manually wipe it and format it to FAT32. However, it seems that the card (with no physical lock) is write protected, and won't allow me to write to it, no matter what. Help!

root@netbook:~# dd if=/dev/zero of=/dev/sdb count=1000 bs=1

dd: failed to open ‘/dev/sdb’: Read-only file system

/var/log/kern.log

Aug 3 22:44:04 netbook kernel: [56049.635131] sd 1:0:0:0: [sdb] 250214400 512-byte logical blocks: (128 GB/119 GiB) Aug 3 22:44:04 netbook kernel: [56049.635221] sd 1:0:0:0: [sdb] Cache data unavailable Aug 3 22:44:04 netbook kernel: [56049.635225] sd 1:0:0:0: [sdb] Assuming drive cache: write through Aug 3 22:44:04 netbook kernel: [56049.763436] sd 1:0:0:0: [sdb] Cache data unavailable Aug 3 22:44:04 netbook kernel: [56049.763441] sd 1:0:0:0: [sdb] Assuming drive cache: write through Aug 3 22:44:04 netbook kernel: [56049.764071] sdb:

root@netbook:~# hdparm -r /dev/sdb

/dev/sdb: readonly = 1 (on) root@netbook:~# hdparm -r0 /dev/sdb /dev/sdb: setting readonly to 0 (off) readonly = 0 (off) root@netbook:~# hdparm -r /dev/sdb /dev/sdb: readonly = 0 (off)

root@netbook:~# hdparm /dev/sdb

/dev/sdb: SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 24 00 00 c0 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 multcount = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 15575/255/63, sectors = 250214400, start = 0

Unplug and replug...

/var/log/kernel.log

Aug 3 22:57:08 netbook kernel: [56834.208762] VFS: busy inodes on changed media or resized disk sdb Aug 3 22:57:09 netbook kernel: [56834.717144] sdb: detected capacity change from 128109772800 to 0 Aug 3 22:57:23 netbook kernel: [56848.744672] sd 1:0:0:0: [sdb] 250214400 512-byte logical blocks: (128 GB/119 GiB) Aug 3 22:57:23 netbook kernel: [56848.744873] sd 1:0:0:0: [sdb] Cache data unavailable Aug 3 22:57:23 netbook kernel: [56848.744877] sd 1:0:0:0: [sdb] Assuming drive cache: write through Aug 3 22:57:23 netbook kernel: [56848.872861] sd 1:0:0:0: [sdb] Cache data unavailable Aug 3 22:57:23 netbook kernel: [56848.872866] sd 1:0:0:0: [sdb] Assuming drive cache: write through Aug 3 22:57:23 netbook kernel: [56848.873626] sdb:

root@netbook:~# fdisk /dev/sdb

You will not be able to write the partition table. Command (m for help): p Disk /dev/sdb: 128.1 GB, 128109772800 bytes 255 heads, 63 sectors/track, 15575 cylinders, total 250214400 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System Command (m for help):

root@netbook:~# mount

/dev/sdb on /media/1E12-18621 type vfat (ro,nosuid,nodev,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush,uhelper=udisks2)

root@netbook:~# mount -o rw,remount /dev/sdb

mount: cannot remount block device /dev/sdb read-write, is write-protected

root@netbook:~# dd if=/dev/zero of=/dev/sdb count=1000 bs=1

dd: failed to open ‘/dev/sdb’: Read-only file system submitted by /u/nateybobo
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LXer: Open Source Power Availability Tool

Thursday 4th of August 2016 02:42:59 AM
Search for Linux open source packages that run on IBM Power Systems.

Phoronix: Linux 4.4 To 4.7 - EXT4 vs. F2FS vs. Btrfs Benchmarks

Thursday 4th of August 2016 01:42:08 AM
I've been a bit behind on my file-system benchmarking the past few months but for your viewing pleasure today are some EXT4 vs. Btrfs vs. F2FS file-system tests on an NVMe SSD when testing the Linux 4.4, 4.5, 4.6, and 4.7 kernels.

LXer: NetworkManager 1.2.4 Adds Reverse DNS Entries for IPv6 to Dnsmasq, More Tweaks

Thursday 4th of August 2016 01:28:39 AM
The popular and widely-used NetworkManager open-source network connection management software for GNU/Linux operating systems has been updated today to version 1.2.4.

TuxMachines: Ubuntu 16.10 to Soon Get Linux Kernel 4.6.5, Will Be Powered by Linux Kernel 4.8

Thursday 4th of August 2016 12:48:43 AM

The upcoming Ubuntu 16.10 (Yakkety Yak) operating system is currently in development, with a second Alpha build seeded to public testers at the end of July 2016.

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TuxMachines: Ubuntu Snappy Core Now Officially Available for uCRobotics’ Bubblegum-96 Board

Thursday 4th of August 2016 12:47:10 AM

Canonical, through April Wang, is pleased to announce that the Snappy Ubuntu Core operating system for embedded and IoT (Internet of Things) devices is now officially available for the Bubblegum-96 single-board computer (SBC).

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TuxMachines: SUSE Enterprise Storage

Thursday 4th of August 2016 12:45:21 AM

The conundrum for many enterprise-level businesses is that the demand for data storage is significantly outpacing the shrinking price for storage. The upshot for many is that budgets for storage are growing faster than data demands. Fortunately SUSE wants to reduce your storage costs, which is why it released the new SUSE Enterprise Storage 3.

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TuxMachines: Toutou Linux 6.3.2 "SlaXen" Gets Second Alpha Milestone, Based on Puppy Linux

Thursday 4th of August 2016 12:39:36 AM

The developers of Toutou, a minimalist GNU/Linux distribution based on Puppy Linux, are continuing the development of the Toutou Linux 6.3.2 "SlaXen" release with a second Alpha milestone.

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TuxMachines: Exton|OS Light Now Based on Ubuntu 16.04.1 LTS, but Powered by Linux Kernel 4.6

Thursday 4th of August 2016 12:38:18 AM

GNU/Linux developer Arne Exton has released a new version of his Ubuntu-based Exton|OS operating system, build 160728. The Exton|OS Light edition has been updated, which uses the Openbox window manager.

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Reddit: 'Airodump-ng mon0' not detecting wifi connections

Thursday 4th of August 2016 12:35:48 AM

Mon0 and wlan0 are working fine, however, airodump-ng is not detecting wifi signals. Can someone help?

submitted by /u/totalpenguin191
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LXer: Linux Mint 18 Xfce Screenshot Tour

Thursday 4th of August 2016 12:31:28 AM
Linux Mint no longer ships lists of fixes and lists of regressions specific to particular kernels. With so many kernel revisions, so many fixes and so many regressions happening sometimes on a daily basis, this information was quickly outdated. Instead, it was replaced with links to relevant sources of information. For instance, if you select a particular kernel you can now quickly access its changelog and see all the bug reports marked against it. The update manager was already configurable but it wasn't clear how to configure it, and why. In particular, the concepts of regressions, stability and security weren't clearly explained.

Reddit: SublimeText C++ compiler?

Wednesday 3rd of August 2016 11:47:24 PM

So I am getting back into coding (C++) and I LOVE the look of sublime text, and was wondering if there are any ways to make it into basically an IDE, or at least a compiler. Maybe there is another IDE with that kind of A E S T H E T I C? I.E. dark backround with white text. Thanks!

submitted by /u/-Tilde
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TuxMachines: Leftovers: Linux

Wednesday 3rd of August 2016 11:44:58 PM
  • AMD Publishes More Open-Source FreeSync Code
  • ZeMarmot at GUADEC 2016

    We are all happy users of GNOME here, and this is the first time we will be in GUADEC, so this is pretty exciting. Both Aryeom, the film director, and myself, Jehan, are sponsored by the GNOME Foundation to present our film, produced with FLOSS, in room 1, on Sunday, August 14. We will talk about the movie, its current status, about our work on GIMP too, how GNOME and Free Software works in a media creation workflow, and so on. So we hope you will be many to check this out if you are around!

  • Debian Fun in July 2016

    July marked the fifteenth month I contributed to Debian LTS under the Freexian umbrella.

  • Review: The Meizu Pro 5 Ubuntu Touch phone

    When most people think of smartphones, they think of Android and iOS. But there are alternatives to those two mobile platforms. Enter the Meizu Pro 5 phone, which runs Ubuntu Touch as its operating system.

  • Android 7.0 Nougat Release Date: When Will My Phone Get The Update?

    As the final Android 7.0 Nougat release date is approaching, people are searching the web to know when their phone will get Nougat update. To answer your question, we have prepared a list of the popular brands, telling you about their plans to roll out the Android 7.0 Nougat update. While brands like Moto, Nexus, HTC, and LG are preparing for any early OTA update, other are likely to do the same in January-February 2017.

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More in Tux Machines

Leftovers: Software

  • A Quick Hands-On With Chatty, A Desktop Twitch Chat Client
    Chatty is a desktop Twitch Chat client for Windows, macOS and Linux written in Ja
  • HP Linux Imaging and Printing 3.16.8 Adds Support for Linux Mint 18, Fedora 24
    The open-source HP Linux Imaging and Printing (HPLIP) project has been updated on August 29, 2016, to version 3.16.8, a maintenance update that adds support for new printers and GNU/Linux operating systems. According to the release notes, HP Linux Imaging and Printing 3.16.8 adds support for new all-in-one HP printers, including HP OfficeJet Pro 6970, HP OfficeJet Pro 6960, HP OfficeJet 250 Mobile, HP DeskJet 3700, as well as HP DeskJet Ink Advantage 3700. Also new in the HPLIP 3.16.8 update is support for the recently released Linux Mint 18 "Sarah" Cinnamon, MATE, Xfce, and the upcoming KDE editions, the Fedora 24 Linux operating system, as well as the Debian GNU/Linux 8.5 "Jessie" distribution. So if you're using any of these OSes, you can now update to the latest HPLIP release.
  • MPlayer-Based MPV 0.20.0 Video Player Released with New Options and Commands
    The popular, open-source, and cross-platform MPV video player software received a new update, version 0.20.0, which comes only two weeks after the previous 0.19.0 maintenance release. MPV 0.20.0 is not a major update, and, according to the release notes, it only implements a couple of new options and commands, such as "--video-unscaled=downscale-big" for changing the aspect ratio. Additionally, the MPlayer-based video playback application also gets the "--image-display-duration" option for controlling the duration of image display, and a new "dcomposition" flag for controlling DirectComposition.
  • FFmpeg 3.1.3 "Laplace" Open-Source Multimedia Framework Now Available for Linux
    The major FFmpeg 3.1 "Laplace" open-source and cross-platform multimedia framework has received recently its third maintenance update, version 3.1.3, which brings updated components. FFmpeg 3.1 was announced two months ago, at the end of June, and it introduced a multitude of new features to make the popular multimedia backend even more reliable and handy to game and application developers. Dubbed Laplace, FFmpeg 3.1 is currently the most advanced FFmpeg release, cut from Git master on June 26, 2016.
  • GNU Scientific Library 2.2 released
    Version 2.2 of the GNU Scientific Library (GSL) is now available. GSL provides a large collection of routines for numerical computing in C. This release contains new linear algebra routines (Pivoted and Modified Cholesky, Complete Orthogonal Decomposition, matrix condition number estimation) as well as a completely rewritten nonlinear least squares module, including support for Levenberg-Marquardt, dogleg, double-dogleg, and Steihaug-Toint methods. The full NEWS file entry is appended below.

today's howtos

Leftovers: OSS

  • Report: If DOD Doesn't Embrace Open Source, It'll 'Be Left Behind'
    Unless the Defense Department and its military components levy increased importance on software development, they risk losing military technical superiority, according to a new report from the Center for a New American Security. In the report, the Washington, D.C.-based bipartisan think tank argues the Pentagon, which for years has relied heavily on proprietary software systems, “must actively embrace open source software” and buck the status quo. Currently, DOD uses open source software “infrequently and on an ad hoc basis,” unlike tech companies like Google, Amazon and Facebook that wouldn’t exist without open source software.
  • The Honey Trap of Copy/Pasting Open Source Code
    I couldn’t agree more with Bill Sourour’s article ‘Copy.Paste.Code?’ which says that copying and pasting code snippets from sources like Google and StackOverflow is fine as long as you understand how they work. However, the same logic can’t be applied to open source code. When I started open source coding at the tender age of fourteen, I was none the wiser to the pitfalls of copy/pasting open source code. I took it for granted that if a particular snippet performed my desired function, I could just insert it into my code, revelling in the fact that I'd just gotten one step closer to getting my software up and running. Yet, since then, through much trial and error, I’ve learned a thing or two about how to use open source code effectively.
  • Affordable, Open Source, 3D Printable CNC Machine is Now on Kickstarter
    The appeals of Kickstarter campaigns are many. There are the rewards for backers, frequently taking the form of either deep discounts on the final product or unusual items that can’t be found anywhere else. Pledging to support any crowdfunding campaign is a gamble, but it’s an exciting gamble; just browsing Kickstarter is pretty exciting, in fact, especially in the technological categories. Inventive individuals and startups offer new twists on machines like 3D printers and CNC machines – often for much less cost than others on the market.
  • Open Standards and Open Source
    Much has changed in the telecommunications industry in the years since Standards Development Organization (SDOs) such as 3GPP, ITU and OMA were formed. In the early days of telecom and the Internet, as fundamental technology was being invented, it was imperative for the growth of the new markets that standards were established prior to large-scale deployment of technology and related services. The process for development of these standards followed a traditional "waterfall" approach, which helped to harmonize (sometimes competing) pre-standard technical solutions to market needs.

Leftovers: BSD

  • The Voicemail Scammers Never Got Past Our OpenBSD Greylisting
    We usually don't see much of the scammy spam and malware. But that one time we went looking for them, we found a campaign where our OpenBSD greylisting setup was 100% effective in stopping the miscreants' messages. During August 23rd to August 24th 2016, a spam campaign was executed with what appears to have been a ransomware payload. I had not noticed anything particularly unusual about the bsdly.net and friends setup that morning, but then Xavier Mertens' post at isc.sans.edu Voice Message Notifications Deliver Ransomware caught my attention in the tweetstream, and I decided to have a look.
  • Why FreeBSD Doesn't Aim For OpenMP Support Out-Of-The-Box