iredmail-doc/en_US/howto/upgrade.debian.10-11.md

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# Fixes you need after upgrading Debian from 10 to 11
[TOC]
!!! warning
This is still a DRAFT document, it may miss some other important changes.
## SOGo Groupware
SOGo team doesn't offer binary packages for Debian 11 yet, so you can not use
SOGo at all.
## Dovecot
Please remove these lines from `/etc/dovecot/dovecot.conf`:
```
metric imap_command_finished {
event_name = imap_command_finished
}
```
Newer Dovecot release has different syntax for metric. Since netdata doesn't
support Dovecot-2.3 yet, we prefer removing it for now.
## iRedAPD and iRedAdmin(-Pro)
Debian 11 offers newer Python release, few Python modules must be re-installed:
```
pip3 install -U web.py
```
Services must be restarted:
```
service iredapd restart
service iredadmin restart
```
## php-fpm
Debian 11 ships php 7.4, but Debian 10 ships php 7.3. Although php7.4-fpm
service is started by default after OS upgrade, but you still need to copy
old php-fpm config file and restart php7.4-fpm service:
```
cp /etc/php/7.3/fpm/pool.d/www.conf /etc/php/7.4/fpm/pool.d/www.conf
service php7.4-fpm restart
```