Thoughts about programming, sysadmin, Perl, Debian ...
Hi Cookiecutter is a tool for building coding project templates. It s often used to provide a scaffolding to build lots of similar project. I ve seen it used to create Symfony projects and several cloud infrastructures deployed with Terraform. This tool was useful to accelerate the creation of new projects. 🏃 Since these templates were bound [ ]
Hi In my last blog, I explained how we resolved a throttling issue involving Azure storage API. In the end, I mentioned that I was not sure of the root cause of the throttling issue. Even though we no longer had any problem in dev and preprod cluster, we still faced throttling issue with prod. [ ]
Hi This issue was quite puzzling, so I m sharing how we investigated this issue. I hope it can be useful for you. My client informed me that he was no longer able to install new instances of his application. k9s showed that only some pods could not be created, only the ones that created physical [ ]
Hi The file fill.copyright.blanks.yml is used to fill missing copyright information when running cme update dpkg-copyright. This file can contain a comment field that is used for book-keeping. Here s an example from libuv1: README.md: comment: - the license from this file is used as a main license and tends to apply expat or CC to [ ]
Hi While updating my Debian package, I often have to update a field from debian/control file. This field is named Standards-Version and it declares which version of Debian policy the package complies to. When updating this field, one must follow the upgrading checklist. That being said, I maintain a lot of similar package and I [ ]
Hi My name is Dominhique Dumont, DevOps freelance in Grenoble, France. My goal is to share my experience regarding a production issue that occurred last week where my client complained that the applications was very slow and sometime showed 5xx errors. The production service is hosted on a Kubernetes cluster on Azure and use a [ ]
The new release of Config::Model::OpenSsh fixes a bugs that impacted experienced users: the order of Hosts or Match sections is now preserved when writing back ~/.ssh/config file. Why does this matter ? Well, the beginning of ssh_config man page mentions that For each parameter, the first obtained value will be used. and Since the first [ ]
I ve finally found the time to improve the GUI of my pet project: cme (aka Config::Model). Several years ago, I stumbled on a usability problem on the GUI. Some configuration (like OpenSsh or Systemd) feature a lot of configuration parameters. Which means that the GUI displays all these parameters, so finding a specfic parameter might [ ]
Azure Kubernetes Service provides a nice way to set up Kubernetes cluster in the cloud. It s quite practical as AKS is setup by default with a rich monitoring and reporting environment. But the default setup associated with common, but not ideal, practices can lead to security issues
Hi This post describes how I debug an issue with a proprietary software. I hope this will give you some hint on how to proceed should you face a similar issue. If you re in a hurry, you can read the TL;DR; version at the end. After the summer vacations, I ve decided to offer a photo-book [ ]