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Update oVirt hosted-engine host certificates VM if the are expired

Environment: Red Hat Virtualization 4.4 Issue:  All the hosted-engine hosts vdsm certificates are expired. The hosted-engine VM is down and it’s unable to start it using hosted-engine –vm-start because of expired certificates. Resolution: Since CA of the RHV environment is the RHV manager which is down, we have to get the CA certificates and keys to the host […]

Adding a New Disk Drive to a CentOS 6 / 7 System

Finding the New Hard Drive in CentOS # ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sdb Creating Linux Partitions # su – # fdisk /dev/sdb Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS disklabel with disk identifier 0xd1082b01. Changes will remain in memory only, until you decide […]

Gitlab reset Password for root

You will need to do the following: SSH into your Droplet where GitLab is installed. ssh [your-user]@[your-droplet-ip-address] Open the GitLab Rails console. If you installed GitLab via the Omnibus package, you can open the Rails console with: sudo gitlab-rails console Locate the root user and change the password. Once in the console, enter the following commands: user = […]