I lost the credentials to the Ubuntu 20.04 LTS Server. I need the instructions on how I could log into a Linux host without knowing a valid login/password combination, and without permanently altering any local files.
and without permanently altering any local files.
it is Ubuntu....in my case
KVMNot what OS is the VM running. What virtualization hypervisor are you running?
Proxmox, VMware ESX, KVM QEMU, VirtualBox, etc...