Diagnosis
Boot the server in Rescue mode
How to boot and connect to a cloud server in Rescue and Diagnostic Mode
Restore the server from an ISO image
How to restore a server from an ISO image
Change and restore server password
How to Change and Restore Cloud Server Password in Rescue and Diagnostic Mode
Test disk performance
How to test cloud server disk performance with the fio utility
Switch network configuration to netplan
How to switch network configuration from ifupdown to netplan in cloud servers created from off-the-shelf images on Ubuntu 18.04, 20.04, and 22.04