GRUB_DISABLE_RECOVERY="true"

[jd1008]

On 07/20/2015 11:04 AM, Chris Murphy wrote:
> On Mon, Jul 20, 2015 at 10:49 AM, jd1008 <jd1008 at gmail.com> wrote:
>>
>> On 07/20/2015 12:40 AM, Dennis Jacobfeuerborn wrote:
>>> On 07/20/2015 03:50 AM, jd1008 wrote:
>>>> What is the significance/effect of setting
>>>> GRUB_DISABLE_RECOVERY=  to "true" or "false" ?
>>> Accroding to https://wiki.gentoo.org/wiki/GRUB2/Config_Variables :
>>>
>>> "If true, recovery menu entries will not be generated. On Linux,
>>> recovery entries pass "single" on the kernel command line."
>>>
>>> Regards,
>>>     Dennis
>> Thank you Dennis, but that is still cryptic.
> "single" on the kernel command line means single user mode boot.
>
>
>> What are these recovery entries??
>> Do they refer to the grub boot entries, such as:
>> menuentry 'Fedora, with Linux 0-rescue-461e3f8f6eaa4c59a6eb26b2f67d5d0e'
>> --class fedora --class gnu-linux --class gnu --class os $menuentry_id_option
>> 'gnulinux-0-rescue-461e3f8f6eaa4c59a6eb26b2f67d5d0e-advanced-5a038471-4aea-451f-b4ec-3f6b1e25bf1e'
> This GRUB setting has nothing to do with the rescue initramfs, which
> is a nohostonly initramfs. The nohostonly "rescue" initramfs is, AFAIK
> is a Fedora specific thing and I'm not sure if the responsible
> upstream is the kernel team or dracut.
>
> And yes, I find the terminology confusing, and actually the duplicate
> use of the same term "rescue" for two different purposes in the
> bootloader menu I think wasn't well thought out in advance.
>
> There's the GRUB use of rescue which is single user mode.
> There's the systemd use of rescue(.target) which is also single user
> mode (in contrast to the even more rudimentary emergency.target)
> There's the kernel rpm/dracut use of rescue which is a nohostonly initramfs.
>
> Let's see what else uses rescue? btrfs rescue zero-log is a stretch...
How in tarnation are newbs going to deal with this? :)
I truly hesitate to recommend Fedora to my *indoze users buddies :)