On Sat, 13 Jan 2018 14:14:58 +0200, Besnik Bleta wrote:
>Hello,
>
>On Sat, 13 Jan 2018 12:54:06 +0100
>Ralf Mardorf <ralf.mardorf@xxxxxxxxxxxxx> wrote:
>
>> [4]
>> Sorry, I'm not using GRUB.
>
>
>If you’ve got a minute, mind listing the reasons for not foing so?
>Or pointing me to any resource of the similar spirit?
>Just curious.
Hi,
I noticed that you replied off-list, but since I don't want to answer
the same off-list question again and again (I've done this already
several times), I'll reply to the mailing list.
syslinux.cfg is nicer to edit than grub.cfg. While it's possible to get
a similar clean grub.cfg as a regular syslinux.cfg already is by
default, I still prefer syslinux.cfg over grub.cfg. I never used the
grub auto-thingies, such as the configs for the config or os-prober,
since they are just a PITA. The reason for this is that the
auto-thingies do not provide I want to get and they run during upgrades,
when there's no need to perform those time consuming tasks. Btw. I
dislike distros that enforce by package dependencies to install grub,
even if another distro already provides the bootloader, so I divert
some of this crap:
[rocketmouse@archlinux ~]$ cat /mnt/moonstudio/usr/src/dpkg-divert-grub.sh
#!/bin/bash
divert () {
cat<<EOF
#!/bin/dash
name=\$(echo \$(basename \$0) | sed -e 's/[0-9]\+ *//')
printf "\n \033[7m\$(basename \$0) was renamed \$name.real\033[0m\n\n"
exit
EOF
}
case $1 in
--add)
for s in grub-mkconfig update-grub
do
s=/usr/sbin/$s
dpkg-divert --add --rename --divert $s.real $s && divert > $s
chmod a+x $s
done;;
--remove)
for s in grub-mkconfig update-grub
do
s=/usr/sbin/$s
rm $s && dpkg-divert --rename --remove $s
done;;
--list)
dpkg-divert --list | grep "local diversion of"
ls -hlv /usr/sbin/grub-mkconfig* /usr/sbin/update-grub*|grep -v "gf"
;;
*)
cat $0;
esac
exit
IMO syslinux has got just one disadvantage compared with grub.
Grub doesn't require chainloading. To avoid chainloading when using
syslinux my workaround is to move all kernels of different installs on
one partition and to bind /boot.
[rocketmouse@archlinux ~]$ ls -hAld /boot/ /.boot/*/boot/
drwxr-xr-x 3 root root 4.0K Jan 12 02:43 /boot/
drwxr-xr-x 3 root root 4.0K Feb 17 2017 /.boot/suse11.2/boot/
drwxr-xr-x 3 root root 4.0K Jan 11 09:42 /.boot/ubuntu_moonstudio/boot/
drwxr-xr-x 3 root root 4.0K Aug 27 2013 /.boot/ubuntu_q/boot/
[rocketmouse@archlinux ~]$ grep bind /mnt/moonstudio/etc/fstab
/mnt/archlinux/.boot/ubuntu_moonstudio/boot /boot none bind 0 0
Another possible pitfall might be dual-head usage on demand. I don't
know if grub is able to handle this, at least syslinux isn't.
If an LCD should be connected by HDMI and a CRT by VGA, but the CRT
should be turned off, than syslinux doesn't show the menu on the LCD
display, while the BIOS is still shown on the LCD display. If I don't
want to use the dual-head set-up, I need to disconnect the CRT, too see
the syslinux menu. I never tested if grub could manage this better than
syslinux.
This is my current syslinux.cfg:
[rocketmouse@archlinux ~]$ cat /boot/syslinux/syslinux.cfg
# http://syslinux.zytor.com/wiki/index.php/Doc/menu
PROMPT 0
TIMEOUT 600
UI menu.c32
MENU HIDDEN
MENU CLEAR
MENU COLOR screen 0;30;40
MENU COLOR border 0;30;40
MENU COLOR title 1;37;44
MENU COLOR unsel 0;37;40
MENU COLOR hotkey 1;37;40
MENU COLOR hotsel 7;37;40
MENU COLOR sel 7;37;40
MENU COLOR disabled 1;37;40
MENU COLOR scrollbar 0;30;40
MENU COLOR tabmsg 0;30;40
MENU COLOR cmdmark 0;31;40
MENU COLOR cmdline 0;37;40
MENU COLOR timeout_msg 0;37;40
MENU COLOR timeout 1;37;40
# Used hotkeys: ^8 ^A ^C ^e ^H ^M ^n ^P ^Q ^R ^t ^V
DEFAULT Rt
MENU TITLE HAL 9000
LABEL Toolbox
MENU LABEL Toolbox
MENU DISABLE
MENU SEPARATOR
LABEL Hardware
MENU LABEL ^Hardware Detection
COM32 hdt.c32
LABEL Memtest
MENU LABEL Memtest^86+
LINUX /.boot/ubuntu_moonstudio/boot/memtest86+.bin
LABEL Reset
MENU LABEL R^eset
COM32 reboot.c32
MENU SEPARATOR
MENU SEPARATOR
LABEL Arch Menu
MENU LABEL Arch Linux
MENU DISABLE
MENU SEPARATOR
LABEL Threadirqs
MENU LABEL Arch Linux ^threadirqs
LINUX ../vmlinuz-linux
APPEND root=LABEL=archlinux ro threadirqs
INITRD ../initramfs-linux.img
LABEL Pussytoes
MENU LABEL Arch Linux Rt ^Pussytoes
LINUX ../vmlinuz-linux-rt-pussytoes
APPEND root=LABEL=archlinux ro
INITRD ../initramfs-linux-rt-pussytoes.img
LABEL Cornflower
MENU LABEL Arch Linux Rt ^Cornflower
LINUX ../vmlinuz-linux-rt-cornflower
APPEND root=LABEL=archlinux ro
INITRD ../initramfs-linux-rt-cornflower.img
LABEL Rt
MENU LABEL Arch Linux ^Rt
LINUX ../vmlinuz-linux-rt
APPEND root=LABEL=archlinux ro
INITRD ../initramfs-linux-rt.img
LABEL Arch
MENU LABEL ^Arch Linux
LINUX ../vmlinuz-linux
APPEND root=LABEL=archlinux ro
INITRD ../initramfs-linux.img
MENU SEPARATOR
MENU SEPARATOR
LABEL Other Menu
MENU LABEL Other Linux
MENU DISABLE
MENU SEPARATOR
LABEL Moonstudio
MENU LABEL Ubuntu X ^Moon Studio lowlatency
LINUX /.boot/ubuntu_moonstudio/boot/vmlinuz-lowlatency
APPEND root=LABEL=moonstudio ro
INITRD /.boot/ubuntu_moonstudio/boot/initrd.img-lowlatency
LABEL Nokaiser
MENU LABEL Ubuntu X Moon Studio lowlatency ^nokaiser
LINUX /.boot/ubuntu_moonstudio/boot/vmlinuz-lowlatency
APPEND root=LABEL=moonstudio ro nokaiser
INITRD /.boot/ubuntu_moonstudio/boot/initrd.img-lowlatency
LABEL Light
MENU LABEL Ubuntu ^Q LightScribe Rt
LINUX /.boot/ubuntu_q/boot/vmlinuz-3.6.5-rt14
APPEND root=LABEL=q ro nomodeset
INITRD /.boot/ubuntu_q/boot/initrd.img-3.6.5-rt14
LABEL Suse
MENU LABEL ^Vintage SUSE 11.2 Rt
LINUX /.boot/suse11.2/boot/vmlinuz-2.6.31.6-rt19
APPEND root=LABEL=suse11.2
INITRD /.boot/suse11.2/boot/initrd-2.6.31.6-rt19
Regards,
Ralf
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