If you use a 64-bit system:
sudo /opt/lampp/manager-linux-x64.run
sudo /opt/lampp/lampp start
cd /opt/lampp/
ls
sudo ./manager-linux-x64.run
sudo /opt/lampp/lampp start
sudo /opt/lampp/lampp stop
sudo /opt/lampp/manager-linux-x64.run
>>> cd /opt/lampp/
>>> ls
>>> sudo ./manager-linux-x64.run
sudo '/opt/lampp/xampp' start
sudo '/opt/lampp/xampp' reload
sudo '/opt/lampp/xampp' restart
sudo '/opt/lampp/xampp' stop
sudo chmod 755 xampp-linux-x64-7.3.5.1-installer.run
# 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
$ sudo apt install net-tools
/* */
ls –l xampp-linux-x64-7.3.5.1-installer.run
sudo ./[package_name]