/opt/lampp/bin/mysql -u root
sudo /opt/lampp/lampp start
cd /opt/lampp/
ls
sudo ./manager-linux-x64.run
sudo /opt/lampp/lampp start
sudo /opt/lampp/lampp stop
# open terminal
Ctrl+Alt+T
# then type below command
sudo /opt/lampp/lampp start
# open terminal
Ctrl+Alt+T
# then type below command
sudo /opt/lampp/lampp start
/opt/lampp/bin/mysql -u root