Linux Sysprep Jun 2026

rm -f /etc/udev/rules.d/70-persistent-net.rules rm -f /etc/network/interfaces.d/50-cloud-init.cfg # if using netplan

To ensure a successful sysprep process:

: Primarily for Linux guests on KVM/QEMU and oVirt environments. Unix & Linux Stack Exchange +4 📋 Manual "Sealing" Checklist If you aren't using a tool, you must manually clear specific files to prevent conflicts like duplicate IDs or network errors: Category Action Key Files/Commands Identification Clear unique system IDs > /etc/machine-id Networking Remove hardware-specific rules rm /etc/udev/rules.d/70-persistent-net.rules Security Regenerate identity on first boot rm /etc/ssh/ssh_host_* Logs Clear history and logs > /var/log/lastlog linux sysprep

These unique identifiers can cause issues when cloning or deploying the system on different hardware configurations. Sysprep helps to: rm -f /etc/udev/rules