verify boot menu options #10

mika · 2017-01-27T14:58:51Z

grml-live's templates for the boot menu inside isolinux + grub needs to be verified if everything still works as intended (esp. with our switch to systemd).

jkirk · 2017-05-31T13:55:17Z

jkirk · 2017-05-31T14:03:09Z

jkirk · 2017-05-31T14:04:02Z

Any reason why the naming of the entries are different?

jkirk · 2018-12-23T03:46:56Z

Boot option Debug Mode is unclear:

grml-cheatcodes.txt states:

debug                               Get shells during process of booting for debugging
[...]
grml debug                          Get shells during process of booting, using GNU screen, be verbose
grml debug=1                        Get shells during process of booting, using GNU screen, be verbose and
                                    display shell code being executed in initramfs.
grml debug=noscreen                 Get shells during process of booting, verbose, but without using GNU screen

and isolinux/f3 says:

debug [ break=live-bottom ]    get interactive shells during startup process

What is the expected behavior of each of these options? The boot process seems to be more verbose but not at the same level for each option. And what about the shells during process of booting? What is meant by that? And break=live-bottom does not to have any effect.

jkirk · 2018-12-23T13:16:32Z

@mika: And one more questions: Which order do you prefer? I would then work on a PR to bring the boot entries of Isolinux and Grub2 in line.

mika · 2018-12-24T10:00:29Z

@jkirk IIRC we dropped the GNU screen sessions during bootup when we switched to systemd? The "debug" (without grml in its front) is relevant only for isolinux and not GRUB. The break=live-bottom should work, unsure why it doesn't. Maybe live-boot changed there something once again, this could be break=live-realpremount giving it a short look at the code. We'd have to verify this in more detail.
I'm not sure what you mean regarding the order. :)

jkirk · 2021-07-21T11:53:18Z

Regarding the order:

For Grub the grml64 - advanced options look like this:

❯ grep menuentry templates/boot/grub/%SHORT_NAME%_options.cfg
menuentry "%GRML_NAME% - enable Predictable Network Interface Names" {
menuentry "%GRML_NAME% - enable persistency mode" {
menuentry "%GRML_NAME% - copy Grml to RAM" {
menuentry "%GRML_NAME% - copy whole medium to RAM" {
menuentry "%GRML_NAME% - start X by default" {
menuentry "%GRML_NAME% - disable framebuffer" {
menuentry "%GRML_NAME% - disable Kernel Mode-Setting" {
menuentry "%GRML_NAME% - forensic mode" {
menuentry "%GRML_NAME% - debug mode" {
menuentry "%GRML_NAME% - serial mode" {

For isolinux the Boot options for grml64-full look like this:

❯ grep "menu label" templates/boot/isolinux/grml.cfg
  menu label %GRML_NAME% - ^Debug Mode
  menu label %GRML_NAME% - Enable Predictable ^Network Interface Names
  menu label %GRML_NAME% - Dis^able Framebuffer
  menu label %GRML_NAME% - Disable ^Kernel Mode-Setting
  menu label %GRML_NAME% - Enable ^SSH (with random password)
  menu label %GRML_NAME% - F^orensic Mode
  menu label %GRML_NAME% - ^German Settings
  menu label %GRML_NAME% - Graphical ^Mode
  menu label %GRML_NAME% - Load to ^RAM
  menu label %GRML_NAME% - ^Persistency mode
  menu label %GRML_NAME% - Serial ^Console

The sub-menu entry ( grml64 - advanced options vs Boot options for grml64-full) and their entries a labeled differently and are in different order. I'd like to harmonize the entries, review the kernel options, check if they still work as expected and check/update the documentation/cheat-sheet.

So which naming and order do we prefer? (Either choose one (isolinux vs Grub order) or come up with a new order?)

I will also check the hidden isolinux entries, but for now lets stick to the "visible" options.

jkirk · 2022-06-03T14:10:52Z

Checked the boot options 'Debug Mode' (once again, was way harder than expected) and the following need to be done:

move menu label %GRML_NAME% - ^Debug Mode above menu label %GRML_NAME% - Serial ^Console
change case of menuentry "%GRML_NAME% - debug mode" { (-> Debug Mode)
Get shells during process of booting for debugging in grml-cheatcodes.txt + isolinux/f3 is not true anymore (since: grml/grml-autoconfig@f9648a3663). Update the description.
http://git.grml.org/?p=live-initramfs-grml.git;a=blob_plain;f=manpages/live-initramfs.en.7.txt;hb=HEAD link in grml-cheatcodes.txt is obsolete, not? Remove / update the line.
What is difference between the Isolinux bootprompt options debug and grml debug? Clarify in grml-cheatcodes.txt.
Document kernel command line parameter break, see: initramfs-tools(5) and update isolinux/f3.
Document the used kernel options / command line parameters:

https://github.com/grml/grml-live/blob/master/templates/boot/grub/%25SHORT_NAME%25_options.cfg:

  apm=power-off boot=live live-media-path=/live/%GRML_NAME%/ bootid=%BOOTID% nomce net.ifnames=0
  "${loopback}" ${kernelopts} initcall verbose debug=vc systemd.log_level=debug
  systemd.log_target=kmsg log_buf_len=1M

isolinux/grml.cfg:

  append initrd=/boot/%SHORT_NAME%/initrd.img boot=live live-media-path=/live/%GRML_NAME%/
  bootid=%BOOTID% apm=power-off vga=791 verbose debug=vc initcall nomce net.ifnames=0
  systemd.log_level=debug systemd.log_target=kmsg log_buf_len=1M

Relates to: grml/grml#10

jkirk · 2023-07-07T17:36:03Z

I propose the following order + naming for the "Advanced Options" of the Isolinux and Grub menu entries:

Advanced Options (submenu) [instead of Boot options for grml-release (submenu) / advanced options ] ->

Predictable Network Interface Names
Enable SSH (with random password) [missing in Grub menu]
Load Grml to RAM [instead "Load to RAM" / "copy Grml to RAM"]
Forensic Mode
Persistency Mode [instead "Persistence mode" / "enable persistency mode"]
German Keyboard Layout [instead "German Settings"] (*)
Graphical Mode (grml-x)
Disable Framebuffer
Disable Kernel Mode-Setting
Debug Mode
Serial Console

(*) I am not sure yet, what German Settings actually does? In my latest Grml the keyboard layout was changed to German.

@mika any objections?

mika · 2023-10-19T16:13:51Z

@jkirk FTR, I'm totally for unify the boot menu, more than happy to look into this together with you :)

jkirk · 2023-11-17T18:08:55Z

@mika: What is the difference between "copy Grml to RAM" and "copy whole medium to RAM" in the Grub menu?

See:

https://github.com/grml/grml-live/blob/master/templates/boot/grub/%25SHORT_NAME%25_options.cfg#L18

https://github.com/grml/grml-live/blob/master/templates/boot/grub/%25SHORT_NAME%25_options.cfg#L26

And: I also need to review "Shortcut keys of vesamenu bootsplash" in

https://github.com/grml/grml-live/blob/892768a58e0962d6338d9d5bbd3c7cd7fcdfd77c/templates/boot/isolinux/isolinux.cfg#L34

The boot order of the isolinux boot menu and Grub boot menu were not in sync. Tried to standardize the boot menu entries, according to the proposal in grml/grml#10 (comment) Closes: grml/grml#10

The boot order and the naming of the isolinux boot menu and Grub boot menu were not in sync. I tried to standardize the boot menu entries, according to the proposal in grml/grml#10 (comment) Related: grml/grml#10

jkirk · 2023-12-07T16:26:29Z

jkirk · 2023-12-07T16:55:39Z

JFTR, "Disable Framebuffer" also disables Kernel Mode Setting and Graphical Mode (X11) does not work without KMS.

mika added this to the Grml 2017 Q1 release milestone Jan 27, 2017

mika added enhancement help-wanted Lack of resources, please contribute if it's important for you labels May 10, 2017

mika modified the milestones: Grml 2017.05, Grml 2017.12 Nov 17, 2017

jkirk self-assigned this Jun 3, 2018

jkirk removed this from the Grml 2018.11 milestone Mar 9, 2019

jkirk added verify and removed enhancement help-wanted Lack of resources, please contribute if it's important for you labels Oct 23, 2019

mika mentioned this issue Sep 6, 2021

The EFI boot menu missed the SSH boot option #169

Open

jkirk added a commit to jkirk/grml-live that referenced this issue Oct 7, 2022

WIP: grml-live.txt: Add documentation of Kernel command-line parameters

d2207f3

Relates to: grml/grml#10

jkirk mentioned this issue Jul 8, 2023

check cheatcodes for deprecated boot options #9

Open

jkirk mentioned this issue Nov 17, 2023

Unify boot options order grml/grml-live#140

Merged

jkirk mentioned this issue Dec 7, 2023

Remove Grml release name from the boot options grml/grml-live#142

Merged

mika closed this as completed in grml/grml-live@4e76a27 Dec 22, 2023

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verify boot menu options #10

verify boot menu options #10

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verify boot menu options #10

verify boot menu options #10

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