01Linux
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 -…
Journal
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Articles
85–96 of 267 stories
02Linux
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…
03Linux
Install CRMSH on CentOS 6 / 7
The CRM Shell for Pacemaker cluster management can be installed by fetching the OpenSUSE ha-clustering repository and installing crmsh via yum. Get the OS version (6 or 7) and…
04Linux
DRBD: Redundant NFS Storage on CentOS 6
A pair of CentOS NFS servers can be a great way to build an inexpensive, reliable, redundant fileserver. Here we are going to use DRBD to replicate the data between NFS nodes and…
05Salesforce
Loggly.com Logging with Salesforce.com Apex
If you want to send log messages to Loggly.com you will need to implement their HTTP API interface. All that is required to send data to this interface is an HTTP POST to a url…
06WordPress
"It appears Minify URL rewriting is not working" in W3TC + NGINX: w3tc_rewrite_test
I am running Wordpress on NGINX and using W3TC for caching, however I was consistently getting the error "It appears Minify URL rewriting is not working" in the Wordpress admin.…
07Technology
Using sed and grep to replace the first line of a file
export pattern="pattern"; \ for i in `grep -r -o -n "$pattern" . | grep ":1:=" | sed "s/\(.*\):1:$pattern/\1/g"`; \ do sed -i '1 s/^\(.*\)\(\s{10,}.*\)$/\1/g' "$i"; \ done;
08Linux
Install Jenkins on CentOS as a Service
Updated post: Yum Install Jenkins as a Service on CentOS 7. You probably want to do it this way, it's much easier. Just saying. This guide describes how to install Jenkins on…
09Linux
Google Apps + Trac Integration Using email2trac
I have been using Trac for viewing my Subversion source repository and some ticketing, however I wanted to be able to integrate email directly to the ticketing system. The second…
10WordPress
Creating AJAX Functions in WordPress
AJAX Action Hooks Adding an AJAX callback to WordPress 2.8+ is pretty simple - you just need to hook in the wp_ajax_(action) action for admin callbacks, and the…
11Photos
Atacama Desert, Chile
8603407761_7c13d9d5de_b.jpgIMG_9086IMG_9130IMG_9134IMG_9142IMG_9146IMG_9155IMG_9166IMG_9174P1030335P1030403Pan-de-Azucar-Panorama-PolarPan-de-Azucar-PanoramaSalar de Atacama…
12Linux
502 Bad Gateway on NGINX with BuddyPress
I recently switched over from Apache to NGINX for my WordPress hosting, and it was surprisingly easier than I expected. Alongside the W3 Total Cache plugin to handle my…