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Installing RVM and Ruby on CentOS 7

The @base Ruby version is ancient and actually EOL’d, so you should really use RVM for your Ruby needs. The good news is that it’s really simple. Cleanup Chances are, you already have Ruby installed from the EL repo. And possibly some gems, too. In this case: # remove old versions gem cleanup # remove […]

PostgreSQL 11 with Active Directory over SSL on CentOS 7

Preamble First of all, I’d like to thank the crew of #postgresql and #centos on freenode for all the help, much appreciated! The scenario is the Foobar company with Active Directory as the directory service. They use CentOS 7 application servers, among them PostgreSQL. The company’s domain name is foobar.com, and the corresponding AD domain […]

Integrating CentOS 7 with Active Directory

This guide builds largery on the Ubuntu Active Directory tutorial, so if something’s not clear, please make sure to check that one, too. Here’s the script which you can run on your CentOS hosts. Make sure to replace ad.foobar.com and AD.FOOBAR.COM occurences with your actual domain. Also, this script uses AD\Administrator, if that doesn’t suit […]

Cheap Fanless Mini PC under 2.5L

While I still hate Intel iGPUs, I could no longer hold off and wait for a new motherboard with a x16 slot. The performance gains are just too big. In fact, it’s so fast, it actually matches the performance of the good old Core 2 Quad Q6600. With 10% of the TDP. This SoC is […]

SELinux woes with Tomcat on CentOS 7.6

Following up on my previous hurdles, here’s what happened after upgrading to CentOS 7.6. We use PostgreSQL primarily, but also some MSSQL and MySQL. With 7.6, Red Hat quietly decided it’s no longer a sane default to let Tomcat connect to databases. Because, webapps normally don’t use databases, right? Anyway, let’s write a proper policy […]

killinuxfloor – Killing Floor 2 Server on Linux

About Why, it’s the easiest way to install and manage Killing Floor 2 on Linux. All you need is a fresh, up-to-date install of CentOS 7. Features: One-command installation of the Killing Floor 2 Linux Server One-command uninstallation as well Automatic backup of previous config during install and uninstall Full support for firewalld and Security-Enhanced […]

KF2 Monster Masquerade on Linux Server

The newest patch, Update 1071 is out, folks! Check out the trailer: Also check out the complete changelog. If you want to install a new Linux Server, check out my older post, Dedicated Killing Floor 2 Server on Linux v2. To update an existing instance: kf2.sh stop kf2.sh update kf2.sh init kf2.sh config kf2.sh start […]

I want standard USB-C Headphones

OnePlus is the latest entrant to announce nuking the headphone jack, and also a new pair of headphones using USB-C. I’ve been using BT headphones for a while, so this wouldn’t bother me that much. And I’m also a big supported of USB-C as a whole. What I’m unsure about is whether these headphones use […]

The Microsoft Edge browser recommendation hypocrisy

So the latest Windows Insider build apparently nags you to stay with Edge, because it’s good enough or something. And now everyone’s shitting their pants over how outrageous this move is. Well, in fact, it is. But I’m really missing these voices when Google does the same. Which is… all the time, actually. I mean, […]

Mini-ITX Motherboards with 10GbE and PCI-E x16

Such mobos can be very useful when you use a dual-system case, such as the Phanteks Evolv X. The Gigabyte MB10-DS3 comes with SFP+ ports. The ASRock D1541D4I-2L2T has all the Gigabyte goodies, but has RJ45 10G ports instead, and also provides you with a PCI-E M.2 port. Finally, the SuperMicro X10SDV-TLN4F tops this with […]