If you see my comments to Adam, I hosed the DB and tried to recover it. I included the output of the 2 commands.
The only customization I've done was to include support for chrony.
Let me know if there any issues with the currently installed instance.
[observium] borg (/opt/observium) > ./discovery.php -VV
##### Observium #####
o Version 26.10.15295 o Train stable o Released 7th October 2026 o Subscription User arrislisle470-770251
##### Software versions #####
o OS Linux 6.8.0-146-generic [amd64] (Ubuntu 24.04.5) o Apache 2.4.58 o PHP 8.3.6 o Python 3.12.3 o MariaDB 10.11.14-MariaDB-0ubuntu0.24.04.1 (client: MySQLnd 8.3.6) o SNMP NET-SNMP 5.9.4.pre2 o RRDtool 1.7.2 o Fping 5.1 (IPv4 and IPv6) o Fetch cURL 8.5.0 (OpenSSL/3.0.13, LibZ 1.3, LibIDN 2.3.7)
##### PHP info #####
o OPcache DISABLED o Memory Limit Unlimited o Math BCMATH
##### DB info #####
o DB schema 551 o MariaDB binlog OFF o MariaDB mode NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
##### Charset info #####
o PHP UTF-8 o MariaDB utf8mb3
##### Timezones info #####
o Date Thursday, 15-Oct-26 10:21:58 CDT o PHP -05:00 o MariaDB -05:00
[observium] borg (/opt/observium) > svn status /opt/observium ? /opt/observium/chrony-agent ? /opt/observium/html/images/an-logo-2.png ? /opt/observium/html/images/an-logo.png ? /opt/observium/html/pages/device/apps/chrony.inc.php M /opt/observium/includes/definitions/apps.inc.php ? /opt/observium/includes/definitions/apps.inc.php.orig M /opt/observium/includes/definitions/graphtypes.inc.php M /opt/observium/includes/definitions/rrdtypes.inc.php ? /opt/observium/includes/polling/applications/chrony.inc.php ? /opt/observium/observium ? /opt/observium/scripts/agent-local/chrony