In this exercise, you will reinstall one of your servers with a minimal installation of Red Hat Enterprise Linux.
Outcomes
You should be able to manually install Red Hat Enterprise Linux 8.
On the workstation machine, log in as the student user with student as the password.
On the workstation machine, run the lab installing-install start command.
This command runs a start script to determine whether the servera machine is reachable on the network.
It also adds a new entry in the GRUB2 menu to boot servera into the installation media.
[student@workstation ~]$lab installing-install start
Procedure 12.1. Instructions
Access the servera console and reboot the system into the installation media.
Locate the icon for the servera console in your classroom environment.
Open the console.
To reboot, send a Ctrl+Alt+Del to your system using the relevant keyboard, virtual, or menu entry.
When the boot loader menu appears, select Install Red Hat Enterprise Linux 8.
Wait for the language selection window.
Keep the language selected by default and click .
Use automatic partitioning on the /dev/vda disk.
Click Installation Destination.
Click the first disk, vda, to select it.
Click to use the default option of automatic partitioning.
In the Installation Options window, click .
Because the /dev/vda disk already has partitions and file systems from the previous installation, this selection allows you to wipe the disk for the new installation.
In the Reclaim Disk Space window, click , and then click .
Set the server host name to servera.lab.example.com and verify the configuration of the network interface.
Click Network & Host Name.
In the Host Name field, enter servera.lab.example.com, and then click .
Click and then click the IPv4 Settings tab.
Confirm that the network parameters are correct. The IP address is 172.25.250.10, the netmask is 24, and the gateway and the name server are each set to 172.25.250.254. Click .
Confirm that the network interface is enabled by setting to ON.
Click .
Set the Installation Source field to http://content.example.com/rhel8.2/x86_64/dvd.
Click Installation Source.
Select On the network.
In the http:// field, type content.example.com/rhel8.2/x86_64/dvd
Click .
Select the software required to run a minimal installation.
Click Software Selection.
Select Minimal Install from the Base Environment list.
Click .
Configure the system's purpose.
Click Connect to Red Hat.
Select Purpose.
Select the role .
Select an SLA level of .
Select the usage .
Do not change any other parameter. Click .
Click .
While the installation progresses, set the password for root to redhat.
Click Root Password.
Enter redhat in the Root Password field.
Enter redhat in the Confirm field.
The password is weak so you must click twice.
While the installation progresses, add the student user.
Click User Creation.
Enter student in the Full Name field.
Check Make this user administrator so student can use sudo to run commands as root.
Enter student in the Password field.
Enter student in the Confirm password field.
The password is weak so you must click twice.
When the installation is complete, click .
When the system displays the login prompt, log in as student with a password of student.
This concludes the guided exercise.