Archive | sysadmin

25 December 2011 ~ Comments Off

redis-snmp: redis performance monitoring through SNMP

The same way I created mysql-snmp a small Net-SNMP subagent that allows exporting performance data from MySQL through SNMP, I’m proud to announce the first release of redis-snmp to monitor Redis servers. It is also inspired by the Cacti MySQL Tem…

Continue Reading

11 December 2011 ~ Comments Off

The Indirector – Puppet Extension Points 3

This article is a follow-up of those previous two articles of this series on Puppet Internals:

Puppet parser functions and custom facts
Puppet types and providers

Today we’ll cover the The Indirector. I believe that at the end of this post, …

Continue Reading

31 May 2011 ~ Comments Off

sunsolve.espix.org : A new tool for Solaris sysadmins…

When the merge of Oracle and SUN became reality, we lost one of the greatest documentation portal for Solaris: Sun Solve.

While I’m a Solaris sysadmin myself, I needed a tool to manage my daily patching, to ease search with bugs, patches and depe…

Continue Reading

11 March 2011 ~ Comments Off

Generic use of chef providers in mcollective

This post follows my previous one, dealing with the reuse of chef providers of chef in mcollective. In the comments Adam Jacob had an interesting word and when I wrote my second agent, to manage package I saw it would be a piece of cake to write a really generic agent, due to the nature [...]

Continue Reading

08 March 2011 ~ Comments Off

Reusing chef providers in mcollective

It has been quite calm for a couple of months here. I have switched job, it explains why I had less time to post some things.I now work at fotolia, and I switched from puppet to chef (no troll intended, I still think puppet is a great tool, please read this).
However, a tool I still [...]

Continue Reading

05 December 2010 ~ Comments Off

RedHat IPSec and x509 certificates

I’ve previously blogged about IPSec on RedHat and mentioned how great the ifcfg scripts are to get IPSec VPNs going. In that post I used a pre-shared key to start the VPNs, that was fine then but now I need something a bit better. IPSec supports the standard PKI infrastructure and the RedHat scripts support [...]

Continue Reading

10 November 2010 ~ Comments Off

Zabbix GUIs and Automation

In the T-DOSE
Zabbix talk, which I’m happy to say was both well presented and showed some
interesting features, I got called out for a quote I made on Twitter (which
just goes to show – you never know where what you said is going to show up
and haunt …

Continue Reading

10 November 2010 ~ Comments Off

Zabbix GUIs and Automation

In the T-DOSE
Zabbix talk, which I’m happy to say was both well presented and showed some
interesting features, I got called out for a quote I made on Twitter (which
just goes to show – you never know where what you said is going to show up
and haunt …

Continue Reading

30 October 2010 ~ Comments Off

Enter Stage Right: DevOps

I have worked in environments where reacting was the “normal” way to approach issues and being proactive was just a waste of time… *facepalm*
The seemingly simple idea of changing the workplace culture from reactive to proactive was hard to pitch, le…

Continue Reading

30 September 2010 ~ Comments Off

Follow up on GlusterFS

I recently posted about my experiences with GlusterFS. Shortly after writing it I was contacted by the guys from GlusterFS keen to talk about my experiences on the phone. I’ve just had this call and thought I’d summarize it here (with their permission): They were very open and admitted freely that the points in my [...]

Continue Reading