linux-commands.md

Linux Commands

Finding and Searching

• Find a Pravega Java process (while avoiding seeing a wall of text shown on ps -ef | grep java):

  pgrep -f logback.configurationFile
  

VI and VIM

VIM:

• Copying file contents
  • Yank the whole file:

    $ ggVGy
    
    # Or alternatively: 
    $ gg"*yG
    # gg - gets the cursor to the first character
    # "*y - Start the yank command to the register * from the first line
    # G - end of the file

Shell Scripts and Environment

Further Reading:

• https://askubuntu.com/questions/481715/why-doesnt-cd-work-in-a-shell-script

Miscellaneous

• Show IP addresses: ip addr show
• Avoid having to type sudo <command>: sudo -s
• Disk space usage of a directory https://www.ostechnix.com/find-size-directory-linux/
• Remove all directories with name build: find -path "*/build/*" -delete
• Disk usage:

  $ du -sh * 
  $ du -sh <dir>
  

Links

• Installing Minikube:
  • https://kubernetes.io/docs/tasks/tools/install-minikube/
  • I used steps mentioned here.
• Nano editor cheat sheet https://www.nano-editor.org/dist/latest/cheatsheet.html