I recently wanted to share a code-snippet with a colleague. I decided to use Gitlab Snippets for this. However the snippet was more of some hundred lines of code in a text-file which I didn’t want to simply copy-paste.

Lucky for me I had python-gitlab installed, a Python library …

There was a need to iterate over the hosts in an Ansible inventory-file (don’t ask). After fiddling around with grep and sed, I found an easier method:

ansible-inventory --list all | jq " ._meta.hostvars| keys[]"

ansible-inventory --list all lists all hosts including their variables in a nice big json response …

For one of our customers we needed to install the Docker-plugin for loki. To install it, you run:

docker plugin install loki

However this failed with the following error message:

Error response from daemon: dial unix /run/docker/plugins/d442cff8568254659f9aa7d2dd5a30526b69d1ac62593c628b65da8b9e933c6a/loki.sock: connect: no such file or directory

Running strace …

We have a set of common pipeline jobs that are shared among different projects in Gitlab. We include them like this:

include:
  - project: 'shared/gitlab/linting'
    ref: master
    file:
      - markdown.yml
      - ansible.yml

When you do this, these included jobs get executed with the runner that is defined in the …

The nginx http_limit_conn module to limit http connections works as advertised. It limits the number of connections an ip-address (or other directives) can make to the nginx.

Also: the Ansible hardening-role for nginx as a default limit of 5 connections (see).

This bit me hard: One website I host makes …