A while ago I encountered a scenario where the request was to use the ADSelfService Plus from Manage Engine to SSO in the OpenStack dashboard. Because it has taken a few iterations I decided to doc...

How to reset standby APIC node without admin password In case you want to reset an CISCO APIC node but you don’t have the admin password you can use the special rescue-user. Note: this works for ...

How to completely wipe osd Ceph disk In case you want to reuse a storage device previously used as an ODS device, you may need to wipe it. It should be enough to delete the LVM, but sometimes, yo...

Migrate from CentOS 8 to RHEL 8 CentOS Linux 8 has reached end of life but can be migrated to an alternative RPM distribution. In this case to Red Hat Enterprise Linux (RHEL). Based on the RedHat...