Dopo il downloading di XAMPP:
1. vai ad una Linux shell e, da root estrai il downloaded file in /opt:
#tar xvfz xampp-linux-1.6.5a.tar.gz -C /opt
Per lo start XAMPP dai il comando:
/opt/lampp/lampp start
Dovresti vedere:
Starting XAMPP 1.6.5a…
LAMPP: Starting Apache…
LAMPP: Starting MySQL…
LAMPP started.
Ready. Apache and MySQL are running.
Step 4: Test
Dal browser browser: http://localhost
Here a list of missing security in XAMPP:
1. The MySQL administrator (root) has no password.
2. The MySQL daemon is accessible via network.
3. ProFTPD uses the password “lampp” for user “nobody”.
4. PhpMyAdmin is accessible via network.
5. Examples are accessible via network.
6. MySQL and Apache running under the same user (nobody).
To fix most of the security weaknesses simply call the following command:
/opt/lampp/lampp security
It starts a small security check and makes your XAMPP installation more secure.
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* PHP 4 or PHP 5?
Because such very new versions like PHP 5 always should be handled with care we decided to include both current versions of PHP into XAMPP since version 1.4.7: PHP 5.x and PHP 4.x. If you find out your PHP application doesn’t work with PHP 5 you will be able to switch back easily to PHP 4.
By the following command you can switch “back” to PHP 4.x:
/opt/lampp/lampp php4
And with the following command you can switch back to PHP 5.x:
/opt/lampp/lampp php5
If you forgot which version of PHP is in use simply use phpinfo() or call this command:
/opt/lampp/lampp phpstatus
* Advanced start and stop parameters
Until version 0.9.4 /opt/lampp/lampp could only start and stop XAMPP. Since version 0.9.5 it learned a lot of new things to do.
START AND STOP PARAMETERS
Parameter Description
start Starts XAMPP.
stop Stops XAMPP.
restart Stops and starts XAMPP.
startapache Starts only the Apache.
startssl Starts the Apache SSL support. This command activates the SSL support permanently, e.g. if you restarts XAMPP in the future SSL will stay activated.
startmysql Starts only the MySQL database.
startftp Starts the ProFTPD server. Via FTP you can upload files for your web server (user “nobody”, password “lampp”). This command activates the ProFTPD permanently, e.g. if you restarts XAMPP in the future FTP will stay activated.
stopapache Stops the Apache.
stopssl Stops the Apache SSL support. This command deactivates the SSL support permanently, e.g. if you restarts XAMPP in the future SSL will stay deactivated.
stopmysql Stops the MySQL database.
stopftp Stops the ProFTPD server. This command deactivates the ProFTPD permanently, e.g. if you restarts XAMPP in the future FTP will stay deactivated.
security Starts a small security check programm.
For example: To start Apache with SSL support simply type in the following command (as root):
/opt/lampp/lampp startssl
You can also access your Apache server via SSL under https://localhost.
* What is where?
What is where? A big question of our existens, here are some answers! 
IMPORTANT FILES AND DIRECTORIES
File/Directory Purpose
/opt/lampp/bin/ The XAMPP commands home. /opt/lampp/bin/mysql calls for example the MySQL monitor.
/opt/lampp/htdocs/ The Apache DocumentRoot directory.
/opt/lampp/etc/httpd.conf The Apache configuration file.
/opt/lampp/etc/my.cnf The MySQL configuration file.
/opt/lampp/etc/php.ini The PHP configuration file.
/opt/lampp/etc/proftpd.conf The ProFTPD configuration file. (since 0.9.5)
/opt/lampp/phpmyadmin/config.inc.php The phpMyAdmin configuration file.
* Stopping XAMPP
To stop XAMPP simply call this command:
/opt/lampp/lampp stop
You should now see:
Stopping LAMPP 1.6.5a…
LAMPP: Stopping Apache…
LAMPP: Stopping MySQL…
LAMPP stopped.
And XAMPP for Linux is stopped.
* Uninstall
To uninstall XAMPP just type in this command:
rm -rf /opt/lampp
The end.
