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Hi all,
just a question: I know efibootmgr, but is there a tool to edit the efi boot variables? I mean: not to add or remove, but read and possibly modify the content of the variables.
Thanks in advance.
Last edited by vda (2022-01-14 20:26:35)
I'm sorry for my english: I'm still learning...
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There is efivar.
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Thank you very much tucuxi.
Here is an example for those interested.
$ efivar --print --name 8be4df61-93ca-11d2-aa0d-00e098032b8c-Boot0000
GUID: 8be4df61-93ca-11d2-aa0d-00e098032b8c
Name: "Boot0000"
Attributes:
Non-Volatile
Boot Service Access
Runtime Service Access
Value:
00000000 01 00 00 00 74 00 4c 00 69 00 6e 00 75 00 78 00 |....t.L.i.n.u.x.|
00000010 20 00 42 00 6f 00 6f 00 74 00 20 00 4d 00 61 00 | .B.o.o.t. .M.a.|
00000020 6e 00 61 00 67 00 65 00 72 00 00 00 04 01 2a 00 |n.a.g.e.r.....*.|
00000030 01 00 00 00 00 08 00 00 00 00 00 00 00 00 20 00 |.............. .|
00000040 00 00 00 00 c2 29 f5 d5 5f 37 21 48 a8 92 4d 3d |.....).._7!H..M=|
00000050 ef 6a 0a e5 02 02 04 04 46 00 5c 00 45 00 46 00 |.j......F.\.E.F.|
00000060 49 00 5c 00 73 00 79 00 73 00 74 00 65 00 6d 00 |I.\.s.y.s.t.e.m.|
00000070 64 00 5c 00 73 00 79 00 73 00 74 00 65 00 6d 00 |d.\.s.y.s.t.e.m.|
00000080 64 00 2d 00 62 00 6f 00 6f 00 74 00 78 00 36 00 |d.-.b.o.o.t.x.6.|
00000090 34 00 2e 00 65 00 66 00 69 00 00 00 7f ff 04 00 |4...e.f.i.......|
I'm sorry for my english: I'm still learning...
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