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On Monday 19 Sep 2016 13:08:29 Mike Gilbert wrote: |
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> On Mon, Sep 19, 2016 at 10:23 AM, Peter Humphrey <peter@××××××××××××.uk> |
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wrote: |
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> > Hello list, |
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> > |
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> > I'm trying to install a customised version of SysRescCD on a USB drive, |
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> > and |
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> > it's all uphill. |
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> > |
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> > The current stage has me trying to create a UEFI boot entry for it. I have |
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> > several entries I no longer need and I'm trying to delete them with |
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> > efibootmgr. This is what happens: |
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> > |
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> > # efibootmgr --remove-dups |
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> > BootCurrent: 0002 |
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> > Timeout: 1 seconds |
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> > BootOrder: 0003,0001,0000,0002,0008,0009,0010,0014 |
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> > Boot0000* SysRescCD |
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> > Boot0001* SysRescCD |
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> > Boot0002* Linux Boot Manager |
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> > Boot0003* SysRescCD |
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> > Boot0008* CD/DVD Drive |
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> > Boot0009* Hard Drive |
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> > Boot0010* UEFI OS |
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> > Boot0014* UEFI: SanDisk |
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> > |
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> > # efibootmgr --delete-bootnum 0001 |
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> > You must specify an entry to delete (see the -b option). |
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> > |
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> > But I have - number 1. The manual says: |
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> > |
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> > -b | --bootnum XXXX |
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> > |
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> > Modify BootXXXX (hex) |
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> > |
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> > -B | --delete-bootnum |
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> > |
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> > Delete bootnum (hex) |
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> > |
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> > No variation of 1, 01, 0x1, 0x0001 etc. makes any difference. I know I'm |
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> > not as bright as I used to be, but what on earth have I got wrong? /boot |
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> > is mounted. |
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> |
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> The manpage seems to be incorrect; -B/--delete-bootnum does not take |
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> any argument. Instead, you must specify the entry number using the -b |
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> option. |
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> |
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> Try this: |
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> |
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> efibootmgr -b 0001 -B |
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I recall having a similar problem and this worked last time I tried: |
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efibootmgr -b 0002 --delete-bootnum Boot0002 |
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|
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where: |
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-b 002 |
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is the entry I want to modify. |
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--delete-bootnum Boot0002 |
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is what I want to do to it. I don't remember if specifying "Boot0002" was |
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necessary, but it worked all the same. I guess you can try first: |
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efibootmgr -b 0001 -B |
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as already suggested and see if this does it. Also, before I delete a boot |
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stub entry, e.g. 0002, I change the boot order to make sure it is not first: |
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--bootorder 0003,0005,0010,0002 |
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|
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but I don't think it is necessary. |
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-- |
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Regards, |
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Mick |
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