Archiv der Kategorie: /dev/administration

Updating elasticsearch to 2.0 and de-dotting es indexes [FIX]

Updating elasticsearch to a newer version has been quite a breeze in the past. But with the arrival of the new major es-release 2.0, I thought a bit more thorough test were in order. A good read for breaking changes … Weiterlesen

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git-http-backend with CentOS7.1 and Apache 2.4 [FIX]

To enable anonymous read access but authenticated write access, require authorization for both the initial ref advertisement (which we detect as a push via the service parameter in the query string), and the receive-pack invocation itself:

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nginx 1.8 not caching reverse proxy [FIX]

Just updated our loadbalancers to nginx-1.8. As we need some custom modules, I grabbed the SRPM from here and modified the spec file to fit our needs. As usual, compiling was a breeze and I updated the staging server. Everything … Weiterlesen

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HA nfs server with drbd, zfs and heartbeat on CentOS 6.6 [FIX]

Following this how-to to set up a ha nfs server I stumbled into a problem with zfs and the takeover process of heartbeat. When forcing the active machine to standby via: the takeover failed with: Further tests produced a bit … Weiterlesen

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Simple benchmark of LumberMill

Being curious as to how well LumberMill scales with more CPUs, I did a quick and simple benchmark. And while I was at it, I also included performance data for running LumberMill with Python-2.6, pypy-2.5.1 and the new pypy-4.0. As … Weiterlesen

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Python pcapy, pypy and „undefined symbol: __gxx_personality_v0“ [FIX]

Got this error while trying to use this package with pypy-2.4 Solved it by downloading the tar from here and building/installing it with:

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scapy with pypy [FIX]

While writing a sniffer plugin for my GambolPutty project, I tried using the infamous scapy library to do the sniffing. As it is listed in the compatibility list for pypy (see here) I thought it to be a good choice. … Weiterlesen

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Seems like an interesting read: http://javarevisited.blogspot.de/2014/05/10-articles-every-programmer-must-read.html

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Collect, parse and visualize your logs with LumberMill, Elasticsearch and Kibana on CentOS, Part II

In the first part of this howto, I described how to install and configure the different components to build a simple log analyzer. Today I’d like to show how rsyslog/syslog-ng can be set up to ship apache logs to LumberMill … Weiterlesen

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Install pypy-2.4 on CentOS 6 (including easy_intall and pip)

To install pypy-2.4 on CentOS: For i586: For x86_64: To use pip with pypy:

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