til

TIL: How to prevent a package from updating on ubuntu

1 minute read Published:

Short howto: package pinning on ubuntu
Sometimes you need to upgrade a server, but you also need to prevent apt from upgrading a specific package (eg. your node.js version). Many package-managers support this scenario under names like “version pinning” or “package holding”. This is how you prevent apt from upgrading a single package: Dependencies Ubuntu 12.04 or newer apt Pin a package to prevent it from being upgraded sudo apt-mark hold $PACKAGE_NAME Pin a package to prevent it from being upgraded sudo apt-mark unhold $PACKAGE_NAME

TIL: How to update all package.json dependencies at once

1 minute read Published:

Short howto: update all npm dependencies using jq and xargs
Dependencies node.js and npm (obviously) jq xargs (may needs to be installed manually) Update all dependencies to their latest version: cat package.json | \ jq -r '.dependencies | keys[]' | \ xargs -I {} npm i -S {}@latest Update all devDependencies to their latest version: cat package.json | \ jq -r '.devDependencies | keys[]' | \ xargs -I {} npm i -S {}@latest Alias the commands for easier reuse To reuse the commands without having to remember them just put them into your .

TIL how to count git commits in a repository by author name

1 minute read Published:

Count git commits in a repository by author name
Today I learned how to count git commits in a repository by author name: git shortlog -s -n --all --no-merges Explanation: git shortlog: summarize git log output -s: only count commits -n: sort by commit number instead of author name --all: count commits in all branches --no-merges: exclude merge commits If you want to include author emails add -e Sources: https://git-scm.com/docs/git-shortlog https://git-scm.com/docs/git-log

TIL how to use caddy as automatic https reverse proxy

1 minute read Published:

Short howto: download and configure caddy - an automatic https (!!!) webserver
Hey Blog! Long time no see… Today I will show you how to download and execute caddy - an automatic https web server and reverse proxy written in Go! be me. browse the interwebs. see caddy - a fully automatic https server togoodtobetrue.jpg write script to download caddy from their cdn and create a Caddyfile on a spare server itsworking.exe best day ever - free ssl certs with auto renewal

TIL how to run postgresql in docker and persist the database

1 minute read Published:

Today I needed a postgres database for development that persisted its data when recreating the container. That’s not docker’s default behaviour, but docker volumes to the rescue! This is the command to run a postgres container that persist it’s data in /var/yourpgdata: docker run \ --name pgresql \ -d \ -p 5432:5432 \ -e POSTGRES_USER=yourpguser \ -e POSTGRES_PASSWORD=yourpgpass \ -e POSTGRES_DB=yourpgdb \ -v /var/yourpgdata:/var/lib/postgresql/data Fine… but what does this mean? Let me explain: