Red Hat Enterprise Linux
Graphical interface
The provided image will give you a Virtual Machine with a text console. If you require a graphical interface, please apply the following steps on your VM as root:
# dnf groupinstall "Workstation" -y # Install the graphical interface
# systemctl set-default graphical.target # Make this the default systemd target
and reboot the VM to start up X-Windows.
X Windows System / X11 Connections
If you need to allow X11 connections for your instance, install as root
Access with user credentials
RHEL images will not configure automatically the owner/responsible in the Network Database for Kerberos-based root authentication, only the key-based authentication is available by default.
If you wan to configure your instance with Kerberos, please follow the documentation from the Linux team on how to configure this upon instance creation or once the virtual machine is running.
Trim unused blocks in the filesystem
The hypervisors are equipped with NVMe devices and thinly-provisioned volumes that support the discard functionality. VMs hosted can use this functionality to remove blocks in the filesystem that are no longer used. You can trim unused blocks by executing:
For VMs it's recommended to discard blocks once a week to not impact the lifetime of the NVMe devices. You can do that by enabling the timer for the fstrim