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Knowledge Base

Find guides, tutorials, and documentation to help you get the most out of CubePath services.

Showing 10 of 10 guides

Migration and Disaster Recovery

How to Set Up DNS Failover with PowerDNS LUA Records

Configure health-checked DNS failover on Ubuntu 24.04 with PowerDNS LUA records, so your domain answers with a backup server IP when the primary goes down.

April 4, 2026Support Team
Migration and Disaster Recovery

How to Automate Backup Restore Tests with restic and systemd

Build a weekly automated restore test on Ubuntu 24.04 that restores your latest restic backup, loads the MySQL dump, checks the data and alerts you on failure.

April 4, 2026Support Team
Migration and Disaster Recovery

Point-in-Time Recovery for MySQL and PostgreSQL on Ubuntu

Set up point-in-time recovery on Ubuntu 24.04 with MySQL binary logs and PostgreSQL WAL archiving, then restore a database to the moment before a bad query.

April 4, 2026Support Team
Migration and Disaster Recovery

Bare Metal Recovery on Ubuntu 24.04 with Relax-and-Recover

Use Relax-and-Recover (ReaR) on Ubuntu 24.04 to create a bootable rescue ISO and full backup on NFS, then rebuild the server from scratch on new hardware.

April 4, 2026Support Team
Migration and Disaster Recovery

How to Migrate a Website from Shared Hosting to a VPS

Move a PHP and MySQL website from cPanel shared hosting to an Ubuntu 24.04 VPS with Nginx, PHP-FPM and MySQL, test it before switching DNS and enable HTTPS.

April 4, 2026Support Team
Migration and Disaster Recovery

Multi-Region High Availability Architecture for Linux

Design a two-region failover setup for Linux: set RTO and RPO, replicate PostgreSQL across regions, fail over with DNS, prevent split-brain and run drills.

April 4, 2026Support Team
Migration and Disaster Recovery

How to Build a Disaster Recovery Plan for Linux Servers

Define RTO and RPO, set up encrypted offsite backups with restic and database dumps, test restores regularly and write a runbook for your Linux servers.

April 4, 2026Support Team
Migration and Disaster Recovery

How to Set Up Cross-Datacenter MySQL Replication

Pick a cross-datacenter replication strategy, set up encrypted MySQL 8.0 GTID replication between two sites on Ubuntu 24.04, sync files and fail over safely.

April 4, 2026Support Team
Migration and Disaster Recovery

How to Clone a Linux Server with Clonezilla over SSH

Boot Clonezilla Live, save a full disk image of a Linux server to an SSH image repository, restore it to new hardware and fix identity settings on the clone.

April 4, 2026Support Team
Migration and Disaster Recovery

How to Migrate a Web App Between Servers with No Downtime

Move an Nginx, PHP and MySQL site to a new Ubuntu 24.04 server with rsync, MySQL replication and a planned DNS cutover, keeping downtime to a few seconds.

April 4, 2026Support Team