How to set datadir to different values based on the hostname in my.cnf?
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16-10-2019 - |
Question
How to set datadir
to different values based on the hostname in my.cnf
? I want to use the same my.cnf
file on a Linux machine and a Mac OS X machine where the datadir
should have different values.
Solution
A simple solution for that would be to keep the my.cnf
file identical, and use symlinks on your machine sto point to whatever directory you want the data to be in. For example, assuming you my.cnf
contains this:
[mysqld]
datadir=/mysql_data
On you linux host, you would:
cd /
ln -s /var/lib/mysql mysql_data
Add permissions to this folder for mysql user:
chown mysql:mysql /mysql_data
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