• Misc tips
  • Close Lid & Sleep
  • Trash in linux
    • using trash-cli
  • vscode tips
  • rsync
  • Python
  • grep
  • how to use crontab
  • naviagating in Terminal
  • Find pattern containing files
  • Adding Hibernation shortcut
  • linux - Watch & tail
  • linux - symbolic link
  • Navigating + Previous command
  • Disable vscodeVim
  • open new terminal from vscode
  • set new volume from terminal
  • Fixed Schedule
  • update
  • bash prompt howto

Misc tips

Close Lid & Sleep

• src

  Trash in linux

  rm -rf ~/.local/share/Trash/*
  

  using trash-cli

  sudo apt install trash-cli
  trash-empty
  

  vscode tips

• ctrl+tab : switching tabs
• ctrl+p : shows recently opened files
• disable certain vim commands:

  "vim.handleKeys": {
        "<C-w>": false
    }
  

• Ctrl+shift+V: markdown preview - toggle
• Ctrl+K+V: markdown preview on the side
  • don’t work well due to Vim binding
  • Just use C-Shft-P toggle and type preview on the side
• more markdown on vscode
• Window Management
• swtich between splitted window: Ctrl+1, Ctrl+2
• Toggle minimap option

  rsync

  rsync -avzh jihyunyang@mio.mines.edu:/[some directory] ~/[some my local directory]
  

• rsync explanation
• somehow, I still don’t know how to send from remote to local.
• how local can know my ip address and so on?

  Python

• Null equivalent: None

  grep

• ls -al

  grep [smthing]

• and it is case sensitive

how to use crontab

• submit a job in crontab
• e.g) Setting an alarm

naviagating in Terminal

• source
• Alt + Tilde(Can be moved in same application too)
• <C+shift+T>: new tab
• <alt+num>: moving tab
• <C+pgdn>: also moving tab. toggling

  Find pattern containing files

• source

  grep -rnw '/path/to/somewhere/' -e 'pattern'
  

  Adding Hibernation shortcut

• Test in terminal
• systemtcl suspend -i

  linux - Watch & tail

  watch -n 5 -d cat log.txt
  

• exit by

  linux - symbolic link

  ln -s [orgin] [name of symlink]
  

Navigating + Previous command

• “ctrl p”
• src
• src2
• src3

  Up     Ctrl+P
  Down   Ctrl+N
  Left   Ctrl+B
  Right  Ctrl+F
  Home   Ctrl+A
  End    Ctrl+E
  Delete Ctrl+D
  Clean  Ctrl+I or clear
  

One word back Alt+b
One word fwd  Alt+f
Exit Graphical Sesssion Ctrl+Alt+F1

• replay history: e.g) !1626
• cutting and pasting

  Yank   Ctrl+Y
  Delete   Ctrl+U
  

Disable vscodeVim

• edit settings.json

open new terminal from vscode

• ctrl shift c

  set new volume from terminal

  amixer sset 'Master' 50%
  

  Fixed Schedule

• src

update

sudo apt-get update && sudo apt-get upgrade 
sudo apt-get dist-upgrade

bash prompt howto

• src
• counting files

  ls -l | wc -l