01Linux
Extract a tar.xz file on CentOS and RedHat
This guide will show you how to extract a tar.xz file on CentOS or RedHat, and probably other flavors of Linux as well. Traditionally compressed archive files are distributed on…
October 30, 2014
CentOS
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02Linux
Install logtail on CentOS
The developer of logtail has not made the repository available via yum for quick installation. Even if you don't want to access logtail from the command line, it is still used by…
June 2, 2014
03Technology
Upgrade From MySQL to MariaDB on CentOS
Here is how you upgrade from MySQL 5.5+ to MariaDB 5.5, 5.6 or 10.0. After running MySQL 5.5 for a while and getting tired of not taking advantage of the features and performance…
April 22, 2014
04Technology
Convert From MyISAM to InnoDB Engine
If you ever have the need to convert a MySQL (or MariaDB) table from the MyISAM engine to the InnoDB engine, you can use the following script to get it done for an entire…
April 22, 2014
05Linux
Change Interval in Munin With Existing RRD Data
The default settings for Munin will result in RRD files containing 5 minute intervals of data, or 300 seconds as it is stored internally. It is possible to change this interval…
April 15, 2014
06Linux
Munin mysql_ suggest Cache::Cache Error
I was trying to set up the newer mysql_ plugin for Munin, but got the following error when using the "suggest" argument to determine how to link the file. The "fix" was to…
April 14, 2014
07Technology
Production Cron Tasks
Useful if you run scheduled tasks in production and want to leverage cron, via Orchestrate.io. The Gist shell script for cron_helper.sh is below. #!/bin/bash usage() { cat << EOF…
April 12, 2014
08Linux
Service Process Start, Service Start Process
I may be slightly dyslexic as I am constantly typing service start nginx or service restart mysqld when interacting with services controlled via init.d. Rather than making myself…
April 12, 2014
09Linux
GoDaddy SSL Certificates on NGINX
To properly install a GoDaddy SSL certificate on an NGINX install, you will need to include the gd_intermediate.crt and gd_bundle.crt the SSL certificate file for your server.…
April 9, 2014
10Linux
Upgrade Python on CentOS
The version of python that is distributed with CentOS is the same of that for RHEL, which reads as not cutting edge. Typically this will be version 2.6, so even to run 2.7.6 you…
March 21, 2014
11Linux
Create a Self-Signed Certificate for Apache SSL on CentOS
A self-signed certificate can be used for many things, but in this case it is to provide HTTP over SSL from Apache, HTTPS. In many cases a CA signed certificate is not required -…
March 12, 2014
12Linux
Dual Primary DRBD on CentOS 6: GFS2 & Pacemaker
This guide describes how to create a pair of redundant file servers using DRBD for replication, RedHat GFS2 (Global File System), and Pacemaker for cluster management. In this…
February 28, 2014