Linux Command CheatSheet
Permission
List all groups
id -nG
Add one username to the user group
sudo usermod -aG docker username
Check permission
getfacl /var/www/html/
Add permission
Just add the -R option to recursively change the permissions of files. An example, recursively add read and write permissions for the owner and group on foldername.
chmod -R ug+rw foldername
Directory
Get current directory
pwd
Go to user directory
‘cd ~’
Go to previous directory
‘cd -‘
Process
Check processes that are using specific port
sudo fuser 5000/tcp -k
Get Process and its user
ps -aux |grep [servicename]
Control the system services
sudo systemctl status [servicename]
sudo systemctl restart [servicename]
Windows Kill Process
Step one:
netstat -ano | findstr :8080
Step two:
taskkill /PID typeyourPIDhere /F
(
/F
forcefully terminates the process)