Upgrade your server to a higher version of debian. Change from debian 7 to debian 8 or change from debian 8 to debian 9. We put at your disposal a virtual machine with a copy of your service for your tests. The virtual machine is deleted after a maximum of one month.
Set up a preproduction environment (test platform) copied from your production website with ssl certificate, ftp access and database. Available on a custom domain (preprod.domain.com) or directly on a 772424 subdomain.
Need a technical consultation on your server? Benefit from 1 hour of intervention by a linux system expert on your server for the realization of a technical action : security audit, optimization, scalability or documentation.