2019-Feb.md

February 2019

1. Kubernetes, KUBECONFIG variable

   • KUBECONFIG environment variable defines the config file which contains kubernetes data to access a cluster
   • Command kubectl config view is used to view the config

2. Rename git branch

   • git branch -m <newname>

3. Git cherry pick apply single commit from another branch (tag: cherry-pick, git)

   • git cherry-pick <commit>

4. Buildkit specify platform for the node: moby/buildkit#550

5. Docker Exec into swarm service (tags: ssh docker swarm service exec)

   • docker container exec $(docker ps --filter name={service name} -q) {command}

6. Git push tag tags:

   • Git push origin tag_name

7. To run WSL Bash in git-bash create a windows shortcut with "C:\Program Files\Git\usr\bin\mintty.exe" --exec /usr/bin/winpty "C:\Windows\System32\bash.exe" -c "cd ~; $SHELL --login -i"

8. grep show other lines multiple lines

   • -A n Shown n number of lines before
   • -B n Shows n number of lines after
   • -C n == -A n -B n