1 Nice to know from Joe

1 Nice to know.md

1. helm
2. node
3. curl
4. git
5. homebrew
6. MacOS
7. Prometheus
8. Blogs needs to be read
9. OIDC Cloud

blog.md

blogs

Git Branches

https://martinfowler.com/articles/branching-patterns.html#environment-branch

GitOps

https://www.reddit.com/r/kubernetes/comments/imgqoj/gitops_the_bad_and_the_ugly/ https://blog.container-solutions.com/gitops-limitations fluxcd/flux#1071

Java

random vs. urandom

https://tanzu.vmware.com/content/blog/challenges-with-randomness-in-multi-tenant-linux-container-platforms

curl.md

curl

Username & Password via env

#!/bin/bash
SRV="example.com"
URL="https://$SRV/path"
curl --netrc-file <(cat <<<"machine $SRV login $USER password $PASSWORD") "$URL"

or

curl --config - https://example.com <<< 'user = "username:password"'

https://stackoverflow.com/a/33818945

git.md

git

Delete all local branches if remote branch is gone

git fetch -p && git branch -vv | awk '/: gone]/{print $1}' | xargs git branch -D

helm.md

Helm

Check if value is nil

Masterminds/sprig#53

{{ if kindIs "invalid" $value }}
nil
{{ else }}
non empty string
{{ fi }}

homebrew.md

homebrew

How to delete unused dependencies?

brew bundle dump
brew bundle --force cleanup

Linuxbrew/brew#573 (comment)

macos.md

MacOS

Fix if captive wifi portal not working

open "/System/Library/CoreServices/" 

... and in the Finder window double click on the Captive Network Assistant.

https://www.reddit.com/r/MacOS/comments/dfr90k/captive_wifi_portal_broken_in_catalina/

Set peristent hostname

scutil --set ComputerName beispieltext.heimnetz.local
scutil --set HostName beispieltext.heimnetz.local
scutil --set LocalHostName Beispieltext

https://www.nerdikus.de/macos/howto-hostname-in-macos-vollstaendig-aendern.html

node.md

node

node-gyp doesnt work on MacOs

No receipt for 'com.apple.pkg.CLTools_Executables' found at '/'.

No receipt for 'com.apple.pkg.DeveloperToolsCLILeo' found at '/'.

No receipt for 'com.apple.pkg.DeveloperToolsCLI' found at '/'.

gyp: No Xcode or CLT version detected!
gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onCpExit (/usr/local/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:351:16)
gyp ERR! stack     at ChildProcess.emit (events.js:198:13)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:248:12)
gyp ERR! System Darwin 19.2.0
gyp ERR! command "/usr/local/Cellar/node@10/10.18.0/bin/node" "/usr/local/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd .../node_modules/fsevents
gyp ERR! node -v v10.18.0
gyp ERR! node-gyp -v v5.0.5
gyp ERR! not ok

Fix: Remove and reinstall xcode CLI Tools. Full XCode is not requried!

sudo rm -rf /Library/Developer/CommandLineTools
xcode-select --install

node-gyp on Windows

• Run cmd as Administrator

npm install --global --production windows-build-tools --vs2015
npm config set msvs_version 2015 --global

Source: https://spin.atomicobject.com/2019/03/27/node-gyp-windows/

oidc.md

oidc

• https://docs.github.com/en/actions/deployment/security-hardening-your-deployments/about-security-hardening-with-openid-connect
• https://docs.gitlab.com/ee/ci/cloud_services/
• https://blog.mikesir87.io/2020/09/eks-pod-identity-webhook-deep-dive/

prometheus.md

Prometheus

Prometheus Annotation for label value change

grafana/grafana#11948

prometheus_build_info unless (prometheus_build_info offset 1m)