Author: Ryan Parker

Professionally im a Infrastructure Security Specialist. I current maintain a homelab with about 3TB of RAM, 240+ TB of storage, tons of CPU cores, and 100gbit networking backbone in the garage running up my electricity bill.

CentOS 7: Failed to set MokListRT: Invalid Parameter

Ryan Parker CentOS, Kernel, Linux December 5, 2018

If you have the following error upon startup, do this to make the system bootable again. Failed to set MokListRT: Invalid Parameter Something has gone seriously wrong: import_mok_state() failed: Invalid Parameter

oVirt: Unlock Virtual Disks

Ryan Parker Linux, oVirt, Virtualization October 25, 2018

So every now and then, a clone operation will break on oVirt. However, it will often leave the source machine in a locked state, unable to be used. Luckily, the solution is pretty simple. All you need to do is ssh into the oVirt-engine machine and run the following. Unlock all disks /usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -t allUnlock
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oVirt: Stop all running tasks

Ryan Parker Linux, oVirt, Virtualization October 25, 2018

So you know what makes me angry? Tasks that won’t stop running. This happened to me at work and it infuriated me. I had to go though mailing lists to figure it out, but here is the solution. SSH into ovirt-engine as root, then run: su postgrespsql -d engine -U postgresselect * from job order
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