Portal¶

April 25, 2024
in DevOps
2 min read

Julia in GitHub actions

Official Julia GitHub actions

julia-actions/setup-julia action downloads julia and adds it to PATH.
julia-actions/julia-buildpkg runs build scripts and installs dependencies for the Julia package.
julia-actions/julia-runtest runs unit test for the Julia project.
julia-actions/cache is a shortcut action to cache Julia artifacts, packages, and registries.
julia-actions/julia-docdeploy deploys documentation.
julia-actions/julia-processcoverage generates test coverage data.

April 25, 2024
in DevOps
1 min read

NodeJS in GitHub actions

The actions/setup-node action installs Node.js and caches package dependencies.

April 25, 2024
in DevOps
2 min read

GitHub Pages in GitHub actions

Publish your website to GitHub pages with GitHub actions (CI/CD).

April 25, 2024
in DevOps
1 min read

Release in GitHub actions

softprops/action-gh-release : A GitHub Action for creating GitHub Releases on Linux, Windows, and macOS virtual environments.
release-drafter/release-drafter : Drafts your next release notes as pull requests are merged into master.
robinraju/release-downloader : Github action to download release assets from private or public repositories.
actions/delete-package-versions : This action deletes versions of a package from GitHub Packages. This action will only delete a maximum of 100 versions in one run.

April 25, 2024
in DevOps
1 min read

Status check for a multi-stage workflow

If you run a multi-stage workflow with status checks in branch protection rules, you might found that skipped jobs are treated as "passed". That is, if you have a workflow with a chain of dependent jobs A -> B -> C. When B fails and C is skipped, it still counts as passed when checking job C.¹ Thus, auto-merging may merge broken code.

April 24, 2024
in DevOps
1 min read

Dynamic parallel matrix

Job matrix creates multiple job runs that are based on the combinations of the variables. Sometimes we want a dynamic number of matrix jobs, which requires a JSON array as an output. Here we use json and glob modules in Python to generate that JSON list.¹²

April 23, 2024
in System
1 min read

Mount NAS drive in Linux at boot

Add the following entry to /etc/fstab to automatically mount NAS drives at boot

April 22, 2024
in System
1 min read

Swap setup

Setup swap files in RAM and btrfs filesystems.

April 21, 2024
in System
1 min read

Kill processes

Kill zombie processes

Find and kill zombie process(es). Source

ps axo stat,ppid,pid,comm | grep -w defunct

Kill parent process(es)

sudo kill -9 <ppid>

Kill user processes

sudo pkill -U UID