Recreating MySQL database from files

We decided to upgrade our server recently, and have the old stuff on a slave hard drive. We did a fresh install of RedHat 8 on the primary.

We just realized... We want to import an old phpBB2 database from the old disk into the new MySQL database.

Is this possible? (And, if so, how is it done?) We have /var/lib/mysql/phpbb which has 85 files (.frm, .MYD, and .MYI), apparently one of each extension for each table. Is it possible to put these back into MySQL? (Will copying this directory... to /var/lib/mysql/phpbb/ cause the system to explode? We're running a newer version of MySQL, although I believe they're both 3.x releases)

Someone please help while I still have hair left Recreating MySQL database from files

 

 

 

 

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