Regex to match C++ style preprocessor macro defines
This took a few days of trying…
Recent Posts
Change resolution from command line in Ubuntu 18.04’s Wayland
Wayland doesn’t allow applications to change resolution, and there’s no official utility to do that. There’s a third party display-config script, but it stopped working with latest changes in Mutter API. Here’s a short workaround until a better solution comes up:
Curating cron emails
As you might know, cron captures all the output of executed tasks and mails them to the user under which the tasks are executed. The problem is that often this mail just piles up somewhere in /var/mail directory, without being ever reviewed. It’s not a good practice, akin to sweeping the trash under the carpet.
Using Jenkins as an automation dashboard - Part 2
Continuing on using Jenkins as a dashboard, I’d like to highlight some things that are essential to ensure reliable job execution:
Ansible filter list based on attributes
Suppose we want to find only users who have a middle name from this: users: - name: John surname: Johnson - name: Alice surname: Wonderland - name: Bob surname: Rabbit middlename: Bebop Old, verbose way would be: - debug: msg="" loop: "" when: item.middlename is defined This results in “s...