Posts tagged postfixadmin

postfixadmin update and php7

posted on 2016-12-09 08:52

After a dist upgrade from ubuntu 14.04 to 16.04 and updating to php7 the postfixadmin in version 2.3.7 stopped working due to php5 modules naturally being amiss. These were the steps I took so the upgrade to postfixadmin 3.0 worked. The major roadblocks were the changed php modules and updating the mysql tables during the update.

  • mkdir /root/postfixadmin-backup; cd /root/postfixadmin-backup
  • mysqldump <POSTFIX-DB-NAME> > <POSTFIX-DB-NAME>.sql so I'd have a database backup.
  • Copied the old htdocs to /root/htdocs, to have a webdata backup in case I'd fuck up renaming the htdocs later.
  • cd /path/to/postfixadmin/webroot
  • The apache setup was fine so already, so I renamed the old htdocs (docroot), created a new one and extracted the newly downloaded postfixadmin there.
  • Copied the old config.inc.php over into the new docroot, named config.local.php.disabled so it would not get read upon opening the postfixadmin webinterface.
  • Copied the new config.inc.php to config.local.php.
  • diff config.local.php.disabled config.inc.php to show me the differences to the new installation.
  • Adjust database settings and the other settings I wanted to conserve.
  • Browser: https://domain.of.postfixamin/setup.php

Then it showed:

...

DEBUG INFORMATION:
Invalid query: Invalid default value for 'created'

...

Upon using https://domain.of.postfixadmin/setup.php?debug=1 I found out that that was related to the vacation table in the database. To be exact, this line shown by describe vacation at the mysql client prompt:

| created       | datetime     | NO   |     | 0000-00-00 00:00:00 |       |

The ALTER TABLE statement could not run the change due to mysql's strict mode being active, and a date of 0000-00-00 00:00:00` being forbidden.

At first I tried to alter the table to something like 1970-01-01 01:01:01 but that wouldn't work.

mysql's strict mode is controlled by the variable sql_mode:

mysql> show variables like 'sql_mode'\G
*************************** 1. row ***************************
Variable_name: sql_mode
        Value: ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
1 row in set (0.00 sec)

To set this variable upon mysql's starting process, I edited /etc/mysql/my.cnf and added under the [mysqld] section:

sql_mode = ''

Then service mysql stop, service mysql start and upon reopening https://domain.of.postfixamin/setup.php the setup went through and all was well again in postfix-land.

I removed the sql_mode parameter from /etc/mysql/my.cnf again, service mysql stop, service mysql start and I was free to go off to other ventures again.

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