upgrade from 2.2.18 to latest

Hi

Is it straight forward to upgrade ISpconfig from version 2.2.18 to the latest version or does it require a complete reinstall from scratch?

 

Yes that is possible.
Just download it, extract the package and start the install script.

Explanation:
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The ISPCOnfig 2.2.x series belong to the stable branch.
The series 2.3.x series belong to the unstable/developement branch.
You can update from a previous 2.2.x version to the latest stable version, which is version 2.2.24 on the moment.

Important:
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Never update from ISPCOnfig series 2.2.x to 2.3.x or from 2.3.x to 2.2.x. because the MySQL database structure is different.

 

and it wont overwrite any of the settings, sites, databases etc...

 

The ./setup script which comes with ISPConfig, recognises that it is not a new install, so it performs an update, which is what you want.

A backup of the current database and directory /root/ispconfig will be created as well within the directory /tmp.