Backing up Windows (the hard way)

Sometimes you need to do things you don't like and you don't know where you will end up. In our household there exists one (production) system running Windows. Don't ask why and please no recommandations how to substitute it. Some things are hard to (ex)change, for example your love…

Call for testing: monitoring-plugins 2.3 in experimental

As announced recently [https://log.cyconet.org/2020/12/13/monitoring-plugins-2-3-released/] I prepared a monitoring-plugins 2.3 package for experimental. If there is enough positive feedback until 12th January 2021, I intend [https://alioth-lists.debian.net/pipermail/pkg-nagios-devel/2020-December/011005.html] to upload this into unstable targeted for Debian Bullseye.…

Monitoring Plugins 2.3 released

While our last release has matured for quite a little time, there raised demands within our community [https://github.com/monitoring-plugins/monitoring-plugins/issues/1640] for a new release. The development has settled this fall and @sni [https://twitter.com/sven_nierlein] was already using master for a while in production,…

HAProxy - a journey into multithreading (and SSL)

I'm running some load balancers which are using HAProxy [http://www.haproxy.org/] to distribute HTTP [https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol] traffic to multiple systems. While using SSL with HAProxy [https://www.haproxy.com/de/blog/haproxy/haproxy-and-ssl/] is possible since some time, it wasn't in the…

Comparing (OVH) I/O performance

Since some time I'm using cloud resources provided by OVH [http://www.ovh.com] for some projects I'm involved. Recently we decided to give Zammad [https://zammad.org/], an opensource support/ticketing solution, a try. We did choose the docker compose way [https://docs.zammad.org/en/latest/install-docker-compose.html]…

Deploying a (simple) docker container system

When a small platform for shipping containers is needed, not speaking about Kubernets [https://en.wikipedia.org/wiki/Kubernetes] or something, you have a couple of common things you might want to deploy at first. Usual things that I have to roll out everytime deloying such a platform: * docker [https:…

Migrating Gitlab non-packaged PostgreSQL into omnibus-packaged

With the release of Gitlab 8.15 [https://about.gitlab.com/2016/12/22/gitlab-8-15-released/] it was announced that PostgreSQL [https://en.wikipedia.org/wiki/PostgreSQL] needs to be upgraded [https://about.gitlab.com/2016/12/22/gitlab-8-15-released/#postgresql-version-upgrade] . As I migrated from a source installation [https://gitlab.com/gitlab-org/…

Container Orchestration Thoughts

Since some time everybody (read developer) want to run his new microservice [https://en.wikipedia.org/wiki/Microservices] stacks in containers [https://en.wikipedia.org/wiki/Operating-system-level_virtualization]. I can understand that building and testing an application is important for developers. One of the benefits of containers is, that developer…