MySQL Server

Debian packages must be patched to use MySQL login names of more than 16 characters. (VHFFS users and databases names are the concatenation of the group followed with the user specified database name. It may eventually overcome 16 characters).

Patches can be found on the VHFFS source tree at /vhffs-patches/mysql/

You can also use precompiled packages, not necessarily up to date so you can use it at your own risk:

Download and install packages.

apt-get install libdbd-mysql-perl libaio1
dpkg -i mysql-common_5.5.52-0+deb8u1_all.deb libmysqlclient18_5.5.52-0+deb8u1_amd64.deb mysql-client-5.5_5.5.52-0+deb8u1_amd64.deb mysql-client_5.5.52-0+deb8u1_all.deb mysql-server-core-5.5_5.5.52-0+deb8u1_amd64.deb mysql-server-5.5_5.5.52-0+deb8u1_amd64.deb mysql-server_5.5.52-0+deb8u1_all.deb

Fetch the login and password of your MySQL admin user.

Edit the /etc/vhffs/vhffs.conf file with those values

              # Use this module or not
              activate        =       yes

              # Parameters used to connect to MySQL server as admin
              host            =       localhost
              username        =       root
              password        =       *******

              # Complete path to mysqldump binary
              mysqldump_path  =       /usr/bin/mysqldump

              # URL to phpmyadmin
              url_phpmyadmin  =

              # URL to the documentation (optional)
              url_doc         =

The MySQL patch change the init schema of its internal database named mysql, however if MySQL already created its database before the patch was applied you have to modify it to change the User field size on some tables.

mysql -u root -p
mysql> use mysql
mysql> ALTER TABLE columns_priv MODIFY COLUMN User char(32);
mysql> ALTER TABLE db MODIFY COLUMN User char(32);
mysql> ALTER TABLE procs_priv MODIFY COLUMN User char(32);
mysql> ALTER TABLE tables_priv MODIFY COLUMN User char(32);
mysql> ALTER TABLE user MODIFY COLUMN User char(32);

Automatic MySQL upgrade process might reset the User fields to 16 characters which will truncate all usernames. We urge you to do a backup of this database in order to be able to recover to a previous state.

Users can now ask to create MySQL databases using the panel.

doc/installationguide/mysql-service.txt · Last modified: 2016/10/02 21:06 by gradator
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