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Updated: 42 min 57 sec ago

What is the point of UNIX® certification?

Mon, 2017-07-24 16:23

There are some Linux distributions that are UNIX certified (ie Huawei EulerOS and Inspur K-UX). What exactly does getting UNIX certification bring to the table that would not be possible without certification? I really can't imagine some company/government requirement for UNIX certified OS/hardware, and they end up getting a MacBook because it's certified UNIX.

submitted by /u/the_humeister
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What is the most stable mini-PCIe WiFi interface for Linux?

Mon, 2017-07-24 14:40

I currently have an Intel Centrino Advanced-N 6205, but it sometimes completely disables itself with only option being a reboot. So now I'm looking for a replacement and was wondering what the most stable WiFi interface I could get.

I don't really care if there's no 802.11ac, just N is fine. Preferably with MIMO 2x2 or better.

submitted by /u/apparaat
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I don't know how I should feel about what I have done.

Mon, 2017-07-24 14:02

As a rule of my own I donate about 10% of my total income. I mainly donated to groups like local animal rescue team and Medecins Sans Frontieres, and I was a godfather of 3 African kids. Not much money, but I've done it since when I started my first job, 6 years ago.

Than I came across to this reddit post few months ago. It hit me so hard. I love Linux. I love open source software. I sometimes don't, but mostly love the community and I always wished I could code well enough to make some contributions. But I don't code well, I am better of leaving developers alone than making useless pull requests.

Long story short, now most of my donation money goes to support open source. Again, not much money, but they are monthly donations. I don't know how I should feel about this change. I was always thankful about developers and happy to support their awesome projects, but at the same time I had to cancel all but one previous monthly donations. Today I got a mail from one of my formal godsons and it broke my heart.

submitted by /u/theycallmejoo
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Huge differences in RAM consuption across different OS's

Mon, 2017-07-24 13:38

I've tried MATE under FreeBSD and Ubuntu-MATE and these are the figures: -FreeBSD11.0, mate 1.12, RAM consumption: ~150MB. -Ubuntu-MATE 17.04, MATE 1.18, Ram consumption ~540MB. Why such a huge disparity in RAM usage?! I removed startup apps from Ubuntu such as the automatic updater and Blue tooth man and still got Ubuntu-MATE to eat up 490MB RAM. Is this discrepancy because of using versions 1.12 and 1.18 of MATE?! What the hell is going on?

ps: these RAM figures were obained by starting up both systems and inspecting the respective gnome-system-monitor apps, without running anything else. Checking the usage by process, Ubuntu MATE has a lot more tiny kb processes going on than FreeBSD. However, the processes that take more RAM are the same, CAJA, Gnome-system-monitor, ... I wonder if all this tiny kb processes are essential and could add up to 300MB?!

submitted by /u/ilvs69
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Something to watch out for

Mon, 2017-07-24 08:50

Kalliope Jarvis like assistant v0.4.5 is out ! With mobile app !

Mon, 2017-07-24 08:37

Kalliope is a modular always-on voice controlled personal assistant designed for home automation. This new release brings new features, fixes many bugs and new plugins (called neurons) and also an Android mobile app to use it without a microphone https://play.google.com/store/apps/details?id=kalliope.project

You can check details, videos and the neuron market place here: https://kalliope-project.github.io/

The target is a rasp3 on raspbian(installation via pre compiled image), but you can quickly test it on a Ubuntu or Debian. You just need a microphone and a speaker/heapphones.

Python 2.7, 3.4, 3.5 and 3.6 are supported. The project is open source under the MIT licence. Find sources on github : https://github.com/kalliope-project/kalliope

submitted by /u/sispheor
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Some stupid systemd-logind failure…

Mon, 2017-07-24 05:23

I've been seeing lots of

systemd-logind[29289]: Failed to enable subscription: Launch helper exited with unknown return code 1 systemd-logind[29289]: Failed to fully start up daemon: Input/output error

spamming the kernel log (where it has no right to be, and I do believe that there's a recently-added kernel config option to stop this).

It seems that systemd-logind is getting EAGAIN while trying to send a message to org.freedesktop.systemd1. No idea why. Probably something left over after the jessie→stretch upgrade, or just random “unreproducible problem”. Either way, it probably needs to handle that better.

Thankfully, systemd-shim is installed, so I can get away with disabling the service. (Of course, should I ever switch away from sysvinit…)

dpkg-divert --package systemd-shim --add --rename \ --divert /usr/share/dbus-1/system-services/org.freedesktop.login1.service.systemd \ /usr/share/dbus-1/system-services/org.freedesktop.login1.service submitted by /u/__soddit
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Why do enterprise environments typically choose to deploy Red Hat or CentOS instead of Ubuntu or Debian? [X-Post /r/sysadmin]

Mon, 2017-07-24 05:08

I've been administering a small office in the USA Midwest for about two years and we have three Ubuntu servers that I set up when I started. The original servers were FreeBSD systems (the administrator that set these up was let go) but I didn't know how to administer that so I opted to re-do them. They're just doing basic file-serving to Windows 10 machines via Samba and one of them does the internal company website with Apache.

Everything has been working well since I set them up and only had a couple minor issues but I was able to figure it out and fix it.

My question is: why do "large" enterprises choose Red Hat or CentOS for their base operating system instead of something like Ubuntu or Debian? Amazon Linux (their supported AWS AMI) is a Red Hat derivative. Oracle Linux (also a Red Hat derivative).

Is Red Hat or even just CentOS just fundamentally better? What is their motivation? Should I consider switching our offices' systems over to Red Hat-derived OS?

Thanks!

submitted by /u/snacktastic2
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Container for single binary? (LXC and Docker seem bloated)

Mon, 2017-07-24 02:39

Hello all,

Run into a bit of an odd issue distributing a binary which we can't compile completely static and also hitting different libc / glib issues across platforms (old old debian, new ubuntu etc) In any event I tried to get this project http://statifier.sourceforge.net/statifier/precompiled_packages.html to work however it seems very dated and I can't even get it to run on my platform.

In any event I am now looking to containers, I've used LXC a fair bit but it seems kinda bloated for this particular goal of "faking static bins" I looked into Docker and it seems even heavier.

Any suggestions or either addressing my static link issue, or a good tiny container solution?

Thanks for your comments and time!

submitted by /u/winkmichael
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Is there a "hacker news" for sysadmin?

Mon, 2017-07-24 01:14

Noob here looking for a career switch to linux sysadmin, i hope i'm doing the right thing any advice is very appreciated

submitted by /u/iotamy
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What's your favorite VM Tool? (VMWare, etc)

Mon, 2017-07-24 01:08

Hello, everyone! I am taking some classes at my local city college in San Francisco and need to be able to run Linux in a Virtual Machine. I would rather be running Linux on my machine altogether or at the very least be dual booting. Right now I simply need to run Linux in a VM environment.

All that being said can any one tell me their favorite VM software to use? Preferably free. I am taking the Kali Ethical Pen Testing Course at the local college so a VM player that will work well with my wireless card and other built in hardware would be nice. As always, Thanks!

submitted by /u/DeveloperDaniel
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Need some help with `dlopen()` and search paths

Mon, 2017-07-24 00:21

I know that this isn't a programming subreddit per se, but I've had good success here with questions like this. Anyways...

So I've been trying to get some Nim bindings for raylib working (they're here). Idea was to use the shared library version of raylib. It requires GLFW, which I also have the shared version installed.

So when I build the raylib examples using both shared raylib and shared GLFW, I can run them without having any extra hassle, since all of the .sos are installed into /usr/local/lib.

Now trying out this port of the core_basic_window example, it will compile. But when I try to run it, the executable says that it can't find the .so for GLFW. But if I do export LD_LIBRARY_PATH=/usr/local/lib before running the example, it doesn't give me that .so error.

What is going on here? The only difference between the C & Nim versions is that -lraylib is passed to the linker in the C version, where as Nim uses a wrapper over the dlopen() function. Isn't /usr/local/lib supposed to be a default search path?

submitted by /u/def-pri-pub
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