2

There is no mysql in /var/lib where I expected to find the databases and tables.

4

There should be files named mysql at least at these locations

/etc/mysql/
/etc/init.d/

You can check if there is a running mysql with...

ps -ef |grep mysql

Or type mysql on command line. It will show an error if there is a mysql:

ERROR 1045 (28000): Access denied for user 'xxxx'@'localhost' (using password: NO)

If there is no mysql in /etc/ you do not have it installed. /var/lib/ is optional so not a good directory to test if you have a mysql instance; the location of the data directory is defined in /etc/mysql/my.cnf (look for datadir). If that shows something other than /var/lib/ you need to use that directory to find the database files.

2

You can check the datadir in the various configuration files:

grep datadir /etc/mysql/my.cnf
grep datadir /etc/mysql/mysql.conf.d/mysqld.cnf
grep datadir /etc/mysql/conf.d/mysql.cnf
grep datadir ~/.my.cnf

By priority:

  1. ~/.my.cnf
  2. /etc/mysql/mysql.conf.d/mysqld.cnf

    With these lines in /etc/mysql/my.cnf

    !includedir /etc/mysql/conf.d/
    !includedir /etc/mysql/mysql.conf.d/
    
  3. /etc/mysql/conf.d/mysqld.cnf

    With these lines in /etc/mysql/my.cnf

    !includedir /etc/mysql/conf.d/
    !includedir /etc/mysql/mysql.conf.d/
    
  4. /etc/mysql/my.cnf

    If your changes are placed before the lines

    !includedir /etc/mysql/conf.d/
    !includedir /etc/mysql/mysql.conf.d/
    

    If you make changes after this lines, than the priority is 2.

2
  • 1
    If you list it like that I would advice to include in what order these files are prioritized (I would assume ~/.my.cnf takes precedence but the other 3 I could make case for any of them to be 1st priority ;) ). – Rinzwind Jul 10 '15 at 8:40
  • @Braiam thank you o_O I don't know, why I used cat. – A.B. Jul 10 '15 at 14:13

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