While updating to v0.23a, I ran into the following issue and wondered if anybody else had encountered it and if so, whether or not they found a fix…
curl -s https://mailinabox.email/setup.sh | sudo bash
[...]
Mail-in-a-Box Version: v0.23a
Updating system packages...
Installing system packages...
Initializing system random number generator...
Firewall is active and enabled on system startup
Installing nsd (DNS server)...
Installing Postfix (SMTP server)...
Installing Dovecot (IMAP server)...
Installing OpenDKIM/OpenDMARC...
Installing SpamAssassin...
Installing Nginx (web server)...
Installing Roundcube (webmail)...
Installing Nextcloud (contacts/calendar)...
Nextcloud is already latest version
Installing Z-Push (Exchange/ActiveSync server)...
Installing Mail-in-a-Box system management daemon...
Installing Munin (system monitoring)...
[FATAL ERROR] Lock already exists: /var/run/munin/munin-update.lock. Dying.
at /usr/share/perl5/Munin/Master/Update.pm line 128.
updated DNS: OpenDKIM configuration