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Setting up keepalived for dual Pi-holes requires installing the package on both machines, writing a short configuration file on each, and pointing your network/AD DNS forwarder to the shared Virtual IP (VIP). Prerequisites & Example Values Check your network...

Create a file to store login and password cd /root vi .pgpass chmod 600 .pgpass localhost:5432:*:postgres:YOUR_PASSWORDlocalhost:5433:*:postgres:YOUR_PASSWORD #Use Postgres sudo -u postgres psql -p 5432 #Tests the conntection sudo psql -h lo...

The capacity difference between the two drives is caused by differing logical block/sector formatting or OEM vendor provisioning (HPA / Max LBA limits). Even within the same Western Digital / Ultrastar DC HC520 12TB family, SAS drives are deployed with differ...

This is to install the node exporter on a raspberry pi for Prometheus to scrap. Step1: Download Install the node exporter for Prometheus on your Raspberry Pi You will need to look at here for the current version of the node exporter from github https://git...

Reusable pattern from SlingBuiltAuth (General project). Use this for the next site pipelines. SlingBuiltAuth OIDC issuer Public OIDC issuer is now https://auth.slingbuilt.com. Discovery: https://auth.slingbuilt.com/.well-known/openid-configuration. Admin...

To disable the VAAI on the host follow the following steps: Open Vsphere Client and connect to Vcenter Server. Navigate to the ESXi Host and then Click on the Configuration Tab. Click on Advanced Settings. Click on DataMover. Change the value of DataM...

Last verified: October 2026 for RHEL 9 against Docker's Install Docker Engine on RHEL guide, Linux post-installation steps, and packet-filtering / firewalld notes (see Sources). This installs Docker Engine Community (Docker CE) from Docker's official RHEL repo...

Last verified: October 2026 against the TrueNAS Community Edition 25.10 documentation (Init/Shutdown Scripts). See Sources.TrueNAS does not keep manual mount commands or /etc/fstab edits across reboots. To mount NFS shares from another server (for example a Sy...

Last verified: October 2026 against the TrueNAS Community Edition 25.10 documentation and AWS IAM/S3 documentation. See Sources.This guide sets up two off-site backups from TrueNAS to Amazon S3: a daily archive of the TrueNAS system configuration, and the app ...

Docker Compose Wrapper (dc) A small wrapper around docker compose that automatically loads shared environment files for all stacks. Why Docker Compose only interpolates ${VARIABLES} from: The shell environment, or A local .env file, or Files passed wit...