How to add grub2 bootloader password in kickstart template for the host getting provisioned using Red Hat Satellite 6.
Environment
- Red Hat Satellite 6.x
Issue
- Adding
bootloader password
whileprovisioning
hosts from theSatellite Server
. - How to set a
grub2 bootloader password
on a kickstart for RHEL machine that is provisioned?
Resolution
- On
RHEL 7 Server
, generate thePBKDF2 hash
using the commandgrub2-mkpasswd-pbkdf2
as showed below:
# grub2-mkpasswd-pbkdf2
Enter password:
Reenter password:
PBKDF2 hash of your password is
grub.pbkdf2.sha512.10000.73BB35CF83C18DAE6C258CA38FD43F09223FB6452E19C216FFFC30115E982ABEE35EADA33C8B6D9CD11527B3858DDC3F2A556004063FEA289615F42B71FFAA43.5ABF7BFFDC9BF667E0E8E8841A54F1C5F1FB6E325EB30845C0D5BFE982BD0C7317B6CF6C650ABBB0109BFE193D45A91F42ED29A00961C825B19914D697E69A1D
- Edit the
kickstart
template.
Login to "Satellite web UI" > Hosts > Provisioning Template > Search for Satellite Kickstart Default > Clone this template and give a new name.
Set the appropriate "Operating System" in the "Association" Tab followed by "Locations" and "Organizations".
- Edit the
cloned kickstart
file and add the mentionedbootloader
parameters to it.
Find the line bootloader --location=mbr --append="nofb quiet splash=quiet" <%= grub_pass %>
And add the "password" parameter to it.
bootloader --location=mbr --append="nofb quiet splash=quiet" <%= grub_pass %> --iscrypted --password=<the generated password from the grub2-mkpasswd-pbkdf2 command>
Example:
bootloader --location=mbr --append="nofb quiet splash=quiet" <%= grub_pass %> --iscrypted --password=grub.pbkdf2.sha512.10000.73BB35CF83C18DAE6C258CA38FD43F09223FB6452E19C216FFFC30115E982ABEE35EADA33C8B6D9CD11527B3858DDC3F2A556004063FEA289615F42B71FFAA43.5ABF7BFFDC9BF667E0E8E8841A54F1C5F1FB6E325EB30845C0D5BFE982BD0C7317B6CF6C650ABBB0109BFE193D45A91F42ED29A00961C825B19914D697E69A1D
-
Click on
Submit
. -
After successful host provisioning while trying to edit the
grub menu
it will prompt for username and password (Use root as a user and the password set).
Diagnostic Steps
- While
provisioning
, ensure thecloned template
is visible when youresolve
thekickstart
templates.
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