Cli cheatsheet

commands manipulation

  • copy output of previous command: cmd+shift+a, cmd+c

file and folder/directory (used interchangebaly)

  • create a folder: mkdir folder_name
  • reach/access a directory:
  • a sub folder under the current folder: cd sub-directory-name
  • a specific folder: cd path/to/destination/folder
  • copy a file to another folder: cp file-name path/to/destination/folder
  • check file size within a folder: ls -lh

system information

  • check server time zone: timedatectl
  • check all available time zones: timedatectl list-timezones (| grep America)
  • change time zone: sudo timedatectl set-timezone America/Los_Angeles

ssh commands

  • access remote server: ssh -i path/to/keypair.pem
  • copy file to remote server: scp -i path/to/keypair.pem file

vim editor

  • create a text file: $ vim new_file.txt
  • edit text file: i
  • exit or quit editing mode: esc
  • exit or quit file::q
  • save and quit editing mode: wq

disk information

  • check disk usage:
  • $ df -hT /dev/nvme0n1p1
  • check disk file system: sudo file -s /dev/nvme0n1p1