How to revert an OPNSense package
You’ll need the package name and the previous OPNSense release. For example; Revert the package to the previous release. Then lock it so it does not get updated.
Linux
Replace a failed drive in a ZFS pool
Get the current status of the pool. Not the drive ID of the failed drive. Next, find the ID of the new disk. Assemble the complete zpool replace command using the two disk IDs. Use the /dev/disk/by-id/ path for the new disk. The pool will begin to resilver the new disk. Source Video:
Fix apparmor=”DENIED” operation=”sendmsg” class=”file”
SSH into the container causing the message and add the permission to a local AppArmor override file Reload the apparmor profile. Reboot the container. https://forum.proxmox.com/threads/very-frequent-apparmor-logs-after-updating-pve.176684/#:~:text=Fix%20within%20Container:%20The%20recommended%20solution%20involves,applied%20directly%20to%20the%20container’s%20AppArmor%20configuration.
Set a dedicated mount point for Proxmox backups (- -tmpdir)
First, create the new zfs mountpoint and enable ACLs. You can validate the acl settings for a zfs volume with: Then, we’ll set this as the tmpdir for vzdump. Uncomment the line “tmpdir” and add “/mnt/vztemp” Save the file and run a configured backup job. You should see the new location in the backup command. … Read more
Fix Proxmox Backup Server Datastore
When rebuilding PBS, the datastore permissions may need to be repaired. 1. Use the chmod Command to make the Root DataStore /pve-backups/ Directory in /mnt/ have the Same Permissions Listed in the Code Snippet. chmod 755 /mnt/pve-backups/ 2. Use the chmod Command to make the DataStore SubDirectories of /mnt/pve-backups/ have the Same Permissions listed in the Code Snippet. chmod 644 /mnt/pve-backups/.lock chmod -R 750 /mnt/pve-backups/.chunks … Read more
IPMI changes between no signal and 1024×768
https://ixsystems.atlassian.net/browse/NAS-138347
Restore Immich Database
Stop the Immich stack. From Truenas, restore both the data and db folders using the existing sync task. Start the Immich stack and allow the database to be created from scratch. Stop the Immich server container. Move the latest backup from /data/backups to /db Log into the database container and run Stop then start the … Read more
Upgrade PostgreSQL on Docker
A step-by-step tutorial on safely migrating your PostgreSQL data between major versions on Docker. Upgrading a major version of PostgreSQL, such as from 17 to 18, isn’t a simple in-place process because the underlying data storage format can change. When running PostgreSQL in Docker, the recommended method is a classic “dump and restore.” This guide … Read more
Add Docker monitoring to checkMk Raw
Find the url for the plugin you want to install Setup > Agents > Other operating systems Copy the plugin url to clipboard Most plugins require python3. The check if python is installed correctly, use: We will also need the python docker libraries installed. If you do not have pip installed, use: Let’s grab the … Read more
Install Zabbix Agent 2 for Docker
How to install the Zabbix agent on a docker host and monitor the docker socket.