Category: Linux

Patching CentOS 7 (and overcoming problems)

So I was working on patching some of my Icinga infrastructure at work, and it seems that sometimes libyajl breaks things, as illustrated below root@icingasatellite ~]# yum update Loaded plugins: fastestmirror, rhnplugin This system is receiving updates from RHN Classic or Red Hat Satellite. Loading mirror speeds from cached hostfile epel: mirror.optus.net Resolving Dependencies –>…

Read the full article

Simple CI with Chef

So I needed to work out a way to make a script I wrote recently be deployed across a whole host of systems, turns out the only option is Chef so I had to dive into it and read a bunch of stuff.¬† Also had to try a bunch of things and ended up with…

Read the full article

Simple Icinga2 Plugin

I’ve seen bits and pieces of the process of creating an Icinga2 (or Nagios) plugin, so here are my notes dumped straight from my brain. First and foremost we need a script to call from Icinga, in this case I created a very simple Python script to simply get the version of LibreNMS running on…

Read the full article

Homelab: Synology failure post-mortem

I take my homelab very seriously, its modeled after several production environments I have worked on over the years. What follows is my recap of events over a few weeks leading up to the total failure of my central storage system, my beloved Synology DS1515 hosting 5.5TB of redundant network storage. The first signs of…

Read the full article

Curl within a salt-state

So I have been looking all over for how to make this happen and finally figured it out, preserving it for anybody else who wants to kick off a curl in a salt state to say add something into monitoring or begin another process via an API call

Right now this is just using…

Read the full article

Strange behavior from Postman

I was working through changing my Saltstack configuration to work with LibreNMS and was working through adding devices via the API as opposed to using auto discovery and realized that basically the same query in curl works fine, but when I tried it with Postman it doesn’t work and acts like I never passed some…

Read the full article

Network Manager and OpenVPN

It blows my mind that Network Manager is still as bad as ever, I just finished up getting my new phone aimed at the home VPN when I remembered that the laptop lost all the old settings in my switch to Fedora so I figured I would give it a spin and see if somehow…

Read the full article

Successful Upgrade is Successful

I would say I can’t believe I’m typing this from a successful full upgrade from Fedora 23 to 24 but I’m not since I am at work and they frown upon me pecking away on my personal laptop, but I am still amazed that it was an absolutely painless process to upgrade from 23 to…

Read the full article

Bitnami