Ubuntu | Johnny Morano's Tech Articles

Libvirt guest startup issue with AppArmor

Posted on April 10, 2022April 10, 2022 by Johnny Morano

With AppArmor enabled on Debian/ Ubuntu systems, starting up virtual machines with libvirt can cause startup failures if not AppArmor is not properly configured. AppArmor will write messages to the kernel log (visible with either the dmesg command or in kernel.log if available) regarding its actions. If your libvirt guests are not starting up or…

Terraform and libvirt nodes

Posted on March 30, 2022April 10, 2022 by Johnny Morano

Libvirt (libvirtd) nodes (based on KVM and Qemu) are a great and cheap (read: free) alternative of deploying virtual nodes in a cloud. Required is a server which will act as a hypervisor, in our article we chose to use a Hetzner server installed with Ubuntu Linux 20.4-lts. After the default installation of Ubuntu 20.4-lts,…

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