I installed mysql 5.5 in /usr/local/mysql . If I apt-get remove the old package, it won't delete the data directory in /var/lib/mysql will it?
UPDATE: Yes it's an official standard generic Ubuntu package
The one way to know for certain is to inspect the /var/lib/dpkg/info/mysql-server-5.1.postrm
script. Without knowing if you are using the official package, or which version of the package, I cannot say with certainty what will happen.
Typically a apt-get remove
will not purge any data or configuration scripts. If you want everything to be removed you use apt-get purge
.
But why chance it? Make a backup first, and then remove.
if [ "$1" = "purge" -a ! \( -x /usr/sbin/mysqld -o -L /usr/sbin/mysqld \) ]; the n