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add note for efi boot

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This commit is contained in:
ebner
2023-02-09 14:32:10 +01:00
parent 307a90c242
commit cf98eca0ef
1 changed files with 16 additions and 0 deletions
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rhel8/installation.md
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@@ -17,6 +17,22 @@ Start the machine and select network boot (if not already the default), then you
There select "Install Red Hat Enterprise Linux 8.7"
![Grub menu selection for iPXE](installation/grub_select.png)
__NOTE:__ After the installation the boot order will be changed to localboot again! So if you reinstall make sure that you re-set the bootorder via the efi menu or the commandline: https://linux.die.net/man/8/efibootmgr
```
[root@lx-test-02 ~]# efibootmgr
BootCurrent: 0004
BootOrder: 0004,0002,0000,0001,0003
Boot0000* EFI Virtual disk (0.0)
Boot0001* EFI VMware Virtual SATA CDROM Drive (0.0)
Boot0002* EFI Network
Boot0003* EFI Internal Shell (Unsupported option)
Boot0004* Red Hat Enterprise Linux
[root@lx-test-02 ~]# efibootmgr --bootorder 2,4,0,1,3
```
(there is no need to have the leading 000 )
### Installation with Legacy BIOS
Start the machine and select network boot (if not already the default), then you get following menu:
![PXE default menu](installation/pxe_default.png)