Code Tips and Snippets

What a good idea to administer a Linux server by writing php scripts instead of shell scripts ...

We have already seen how to run php scripts with suid root permission …

Frequently, we need to run a script that must not be run several times at the same time...we say that we want to run only a single instance of the script at the same time.

We will use php classes to achieve that... especially the fact that when a script ends, the destructor of instancied objects is automatically called.