Linux shell scripts

linux-shell-script.md

• lsof -i:<PORT NAME>
• kill $(lsof -t -i:<PORT NAME>)

Add Git branch name on Termianl

# Add Git branch and color scheme
function parse_git_branch () {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

export PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w\[\033[01;33m\]$(__git_ps1)\[\033[01;34m\] \$\[\033[00m\] '
# export PS1='\[\033[01;32m\]\u@\h\[\033[01;34m\] \w\[\033[01;33m\]$(__git_ps1)\[\033[01;34m\] \$\[\033[00m\] '
# EOF GIT BRANCH

Show numeric value of Permission on Linux

stat --format '%a' <file>

sudo sysctl -w vm.drop_caches=3

Display all running ports

sudo lsof -i
sudo netstat -lptu
sudo netstat -tulpn

Source list and Other repo details

/etc/apt

File Permissions

sudo chgrp -R www-data ./center-7chip/storage/
sudo chmod -R ug+rwx ./center-7chip/storage/

Batch renaming

Rename files

ls | cat -n | while read n f; do  mv "$f" "< NEW FILE NAME>"; done

Increase watch

fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p