Hello Yann,
I too think Janos' suggestions are good. From my experience in migrating
a piler instance with ~15 million mails from one vm to another I would
suggest to only move to a completely fresh machine if you don't mind a
lengthy migration process. An OS and database upgrade is in my point of
I think Janos offers good thoughts.
Personally I would keep the old VM running and install everything fresh. Then
point your email servers at this new Piler VM. Next, either migrate info from
the old system or just keep it and don't migrate. Of course, not migrating
would mean you need to have
Hello Yann,
I have no experience upgrading through several LTS versions. A mysql -> mariadb
switch should not hurt. Anyway, be sure to backup the database, or even better
snapshot the whole vm. When the os upgrade is ready, be sure to recompile Piler.
Be sure to stop all piler related processes
Hello Everyone
Our Piler server is doing good so far (only service on a virtual
machine), but it is running on Ubuntu 14.04, which is no more supported.
I would like to either upgrade to Ubuntu 18.04 (actual LTS, or may be
wait some time and go to 20.04 the next LTS) or move to Debian 10.
