Since ages I wanted have replaced this freaking backup solution of our Network Equipment based on some hacky shell scripts and expect [https://en.wikipedia.org/wiki/Expect] uploading the configs on a TFTP [https://en.wikipedia.org/wiki/Trivial_File_Transfer_Protocol] server. Years ago I stumbled upon RANCID…
In some cases it might be a good idea to use a reverse proxy [http://en.wikipedia.org/wiki/Proxy_server] in front of a web application. Nginx [https://en.wikipedia.org/wiki/Nginx] is a very common solution for this scenario these days. As I started with containers for…
In case you ever wanted to look at Icinga2 [http://www.icinga.org/icinga/icinga-2/], even into distributed [https://www.icinga.org/icinga/icinga-2/distributed-monitoring/] features, without messing with installing whole server setups, this might interesting for you. At first, you need to have a running Docker on your system.…
When I was thinking about using Ghost [http://ghost.org], I did read the installations guide [https://github.com/TryGhost/Ghost#quick-start-install] and then I just closed the browser window. I didn't wanted to install npm [http://www.npmjs.com/], yet another package manager, and just hack [http:…
Exactly 3 years after I moved [https://log.cyconet.org/2013/01/04/new-blogging-engine/] on from Wordpress [http://wordpress.org] to Octopress [http://octopress.org] I thought it's time for something new. Some of you might have noticed that I've not much blogged in the past.…
Today early in the morning my monitoring system notified me about unusual high outgoing traffic on my hosting platform. I traced the problem down the webserver which is also hosting this abandoned website. Looking into this with iptraf [http://iptraf.seul.org/] revealed that this traffic is coming only from…
Three months ago version 2.0 of Monitoring Plugins [https://www.monitoring-plugins.org/] was released. Since then many changes [https://github.com/monitoring-plugins/monitoring-plugins/compare/v2.0...master] were integrated. You can find a quick overview in the upstream NEWS [https://github.com/monitoring-plugins/monitoring-plugins/blob/master/NEWS]. Now it&…
For an actual project we decided to use Redis [http://redis.io/] for some reasons. As there is availability a critical part, we discovered that Redis Sentinel [http://redis.io/topics/sentinel] can monitor Redis and handle an automatic master failover to a available slave. Setting up the Redis replication…