How to configure GDM to show a multi-line login banner?
Issue
- System administrator needs to configure multi-line login banner, as in the example below
- How to put long greeter on the GDM login screen?
- Having issue to put long greeter using https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Desktop_Migration_and_Administration_Guide/customizing-login-screen.html#displaying-text-banner
Environment
- Red Hat Enterprise Linux (RHEL)
- 7
- 8
- 9
- GNOME Display Manager (gdm)
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