Writings.

  1. New blogging engine

    Exactly 3 years after I moved on from Wordpress to Octopress I thought it's time for something new. Some of you might have noticed that I've not much blogged in the past. A new Octopress version was promised a year ago. While I've liked writing in Markdown, the deployment workflow…

    Planet OpenSource Ghost Blogging
  2. Wordpress dictionary attack

    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 revealed that this traffic is coming only from one IP. At first…

    Planet Networking wordpress
  3. Updated Monitoring Plugins Version is coming soon

    Three months ago version 2.0 of Monitoring Plugins was released. Since then many changes were integrated. You can find a quick overview in the upstream NEWS. Now it's time to move forward and a new release is expected soon. It would be very welcome if you could give the…

    Planet OpenSource Plugins Icinga nagios Monitoring Naemon
  4. Redis HA with Redis Sentinel and VIP

    For an actual project we decided to use Redis for some reasons. As there is availability a critical part, we discovered that Redis Sentinel can monitor Redis and handle an automatic master failover to a available slave. Setting up the Redis replication was straight forward and even setting up Sentinel.…

    Planet Linux OpenSource Software HighAvailability Redis
  5. Monitoring Plugins Debian packages

    You may wonder why the old good nagios-plugins are not up to date in Debian unstable and testing. Since the people behind and maintaining the plugins <= 1.5 were forced to rename the software project into Monitoring Plugins there was some work behind the scenes and much QA work…

    Planet OpenSource Plugins Icinga nagios Monitoring Naemon Shinken Sensu