On Mon, Sep 19, 2016 at 10:23 AM, Peter Humphrey <pe...@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
