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Monthly Archives: September 2015
Using System Center Operations Manager with UNIX and GNU/Linux: Conditional Detection
So, one of the most basic things one might want to do with SCOM when monitoring UNIX/Linux systems would be to observe the syslog for certain kinds of entries, alerting administrators through rules and notifications when they occur. Doing this … Continue reading
Posted in Information Technology
Tagged GNU/Linux, Microsoft/Windows, System Center Operations Manager, UNIX
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Brendan Gregg: wear out his virtual doorstep, for this is a wise man
This is some damn fine IT cartography, right here. If you understand and are able to make appropriate use of every tool in those diagrams in solving comolex problems, there won’t be a GNU/Linux system (or any other, really, … Continue reading
The Midnight Oil: Jailing CentOS 6 in FreeBSD 10.2 Edition
Introduction CentOS 6! In a jail on the FreeBSD 10.2 kernel! THAT’S EFFING AWESOME. Inspired by the recent release of FreeBSD 10.2 and the accompanying announcement that the Application Binary Interface Linux compatibility version has been upgraded to 2.6.18, I … Continue reading
Index of Literature: Using cgroups to manage libvirt/QEMU/KVM guest domains
Introduction to Linux Control Groups (sysadmincasts) Introduction to Control Groups (RHEL 7) Subsystems and Tunable Parameters (RHEL 6 – at least theoretically relevant to modern Fedora/RHEL/CentOS systems) cgroups (Kernel.org) virsh manual (libvirt – under construction – I may contribute, though … Continue reading
Posted in Information Technology
Tagged CentOS, Fedora, GNU/Linux, kvm, libvirtd, qemu, Red Hat Enterprise Linux
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Less Frequently Asked Questions: X11 Forwarding over SSH from AIX 7.1 to Fedora 22
It all seems so easy.. and then it isn’t easy.. and then you realize you have no effing idea how the X Window system works. [bitwiseoperator@Fedora22 ~]$ ssh -f aix71 xterm bitwiseoperator@aix71’s password: [bitwiseoperator@Fedora22 ~]$ xterm Xt error: Can’t open … Continue reading
Installing the Proprietary AMD Catalyst 15.9 (fglrx 15.201) driver on Fedora 22 with Linux Kernel 4.1.6
Update 2: Check out the next post in the series for bad news regarding the Crimson driver and my GPU. TL;DR My God. They’ve actually whittled down the necessary patching to two [Update 1: thanks to iUser and Pyracmon below … Continue reading
Posted in Information Technology
Tagged A10-6800K, AMD, Benchmark, Catalyst/FGLRX/Crimson, Fedora, GNU/Linux
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Prologue: The Religious Life
When you are faithful, to say what is fitting is not of greater value than to listen. – The Sentences of Sextus In the course of my studies, I have aimed to seek out the classics. I have tried to identify the … Continue reading
Posted in Scorpionfish
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Troubleshooting DLNA Discovery: Plex Media Server on a KVM/QEMU Emulated Fedora 22 Server
TL;DR: If you’re running a Plex Media Server in a guest domain on a KVM/QEMU/libvirt-based hypervisor platform, make sure that the bridge you use to provide network access to the guest domain (such as macvtap) is configured in the host … Continue reading
Posted in Information Technology
Tagged CentOS, DLNA, Fedora, GNU/Linux, kvm, libvirtd, Plex Media Server, qemu, Red Hat Enterprise Linux, security, storage
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Text-Only Web Browsing
In case anyone wanted a recommendation for a browser, mine is the classic GNU software: Lynx. You can install it in Fedora 22 (or CentOS/RHEL) by merely commanding: dnf install lynx And you can access it straight from the command … Continue reading
Engineering Walden 