From: Mike Gilbert <floppym@gentoo.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] How to use efibootmgr
Date: Mon, 19 Sep 2016 13:08:29 -0400 [thread overview]
Message-ID: <CAJ0EP41TWatLmy4jsWa+8bbtAS4CTXtJytwqYrqkP9O2psesOw@mail.gmail.com> (raw)
In-Reply-To: <3555183.NN87cYWYpd@peak>
On Mon, Sep 19, 2016 at 10:23 AM, Peter Humphrey <peter@prh.myzen.co.uk> wrote:
> Hello list,
>
> I'm trying to install a customised version of SysRescCD on a USB drive, and
> it's all uphill.
>
> The current stage has me trying to create a UEFI boot entry for it. I have
> several entries I no longer need and I'm trying to delete them with
> efibootmgr. This is what happens:
>
> # efibootmgr --remove-dups
> BootCurrent: 0002
> Timeout: 1 seconds
> BootOrder: 0003,0001,0000,0002,0008,0009,0010,0014
> Boot0000* SysRescCD
> Boot0001* SysRescCD
> Boot0002* Linux Boot Manager
> Boot0003* SysRescCD
> Boot0008* CD/DVD Drive
> Boot0009* Hard Drive
> Boot0010* UEFI OS
> Boot0014* UEFI: SanDisk
>
> # efibootmgr --delete-bootnum 0001
> You must specify an entry to delete (see the -b option).
>
> But I have - number 1. The manual says:
>
> -b | --bootnum XXXX
> Modify BootXXXX (hex)
>
> -B | --delete-bootnum
> Delete bootnum (hex)
>
> No variation of 1, 01, 0x1, 0x0001 etc. makes any difference. I know I'm not
> as bright as I used to be, but what on earth have I got wrong? /boot is
> mounted.
The manpage seems to be incorrect; -B/--delete-bootnum does not take
any argument. Instead, you must specify the entry number using the -b
option.
Try this:
efibootmgr -b 0001 -B
next prev parent reply other threads:[~2016-09-19 17:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 14:23 [gentoo-user] How to use efibootmgr Peter Humphrey
2016-09-19 17:08 ` Mike Gilbert [this message]
2016-09-19 20:28 ` Mick
2016-09-20 9:26 ` Peter Humphrey
2016-09-19 22:09 ` Bill Kenworthy
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