Upgrade to Zentyal 6.2

Before upgrade

1. close port 25 on the firewall and maybe also the access to samba shares
2. do a snapshot
3. make a copy of the stubs

    cp -ra /usr/share/zentyal/stubs /usr/share/zentyal/stubs.beforeupgrade-6.2

4. make a copy of the zentyal config

    cp -ra /etc/zentyal /etc/zentyal.beforeupgrade-6.2

5. make sure all system updates have been installed (i.e. there are no system updates)
6. some cleanup of previous updates: Ubuntu clean packages after update

Upgrade

1. click on the upgrade button in the web ui
2. wait until in the console it's written that the upgrade is done
3. reboot

Post upgrade

Integrate new package conf files

zentyal conf files maintained from v6.1

dns.conf
samba.conf

Integrate new stubs

stubs maintained from v6.1

dns/named.conf.mas -
dns/named.conf.option.mas -
mail/archivemail.mas - sort a logging problem
mail/dovecot.conf.mas - for mail certificate purposes
mail/main.cf.mas - for mail certificate purposes, encryption and DKIM
samba/shares.conf.mas - solve access permission issue on shares
samba/smb.conf.mas - solve access issue of Nextcloud server
sogo/sogo.conf.mas - enable vacation setting
sogo/SOGo.conf-apache.mas - http access problem

stubs changes

NONE

Finally reboot

Post boot fixes

NONE