Tag Archives: CentOS

Compiling and Installing mod_wsgi 4.5.6 on RHEL/CentOS 6

Just a quick note in addition to the troubleshooting post I provided; When compiling mod_wsgi from source (which is Graham Dumpleton’s serious recommendation), you may choose to compile the module with a different version of Python than that which is … Continue reading

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Troubleshooting Apache httpd and mod_wsgi with Anaconda Python 3.5 on RHEL/CentOS 6

Man, I have spent many hours over the last few days figuring out why, exactly, I am having so much trouble getting mod_wsgi to do so much as present a simple test application.  The issues I have encountered have seemed … Continue reading

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Installing PL/R on RHEL/CentOS 6 with PostgreSQL 9.4

It’s pretty simple, but it involves building software from source and the lack of any explicit documentation for a typical RHEL/CentOS 6 system using the PostgreSQL RPMs was something of a pain in the butt, so here’s the process: First, make sure you take … Continue reading

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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

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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

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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

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LFCE Preparation Guide: Network Filesystems and File Services – Create, mount, and unmount standard Linux filesystems

Introduction A serious candidate for the LFCE exam is likely to be comfortable with this competency.  Managing file systems is central to the work of system administration, and it should be well-worn ground.  Of course, like any frequently walked path, … Continue reading

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