From: Ian Kelling Date: Mon, 9 Oct 2017 17:43:17 +0000 (-0700) Subject: fixup systemd boot errors, add sysrq support X-Git-Url: https://iankelling.org/git/?a=commitdiff_plain;h=175cf089388948672b5b4b6f9a8cf5a96a7015f2;p=automated-distro-installer fixup systemd boot errors, add sysrq support --- diff --git a/fai/config/hooks/partition.DEFAULT b/fai/config/hooks/partition.DEFAULT index 94f6c25..ed12111 100755 --- a/fai/config/hooks/partition.DEFAULT +++ b/fai/config/hooks/partition.DEFAULT @@ -285,19 +285,28 @@ if $partition; then parted -s $dev mklabel gpt # MiB because parted complains about alignment otherwise. pcmd="parted -a optimal -s -- $dev" - $pcmd mkpart primary "ext3" 12MiB ${root_end}MiB - $pcmd mkpart primary "linux-swap" ${root_end}MiB ${swap_end}MiB + $pcmd mkpart primary ext3 12MiB ${root_end}MiB + # without naming, systemd gives us misc errors like: + # dev-disk-by\x2dpartlabel-primary.device: Dev dev-disk-by\x2dpartlabel-primary.device appeared twice + $pcmd name $rootn root + # normally a swap is type "linux-swap", but this is encrypted swap. using that + # label will confuse systemd. + $pcmd mkpart primary "" ${root_end}MiB ${swap_end}MiB + $pcmd name $swapn swap $pcmd mkpart primary "" ${swap_end}MiB ${disk_mib}MiB + $pcmd name $bootn boot # i only need a few k, but googling min size, # I found someone saying that gparted required # required at least 8 because of their hard drive cylinder size. # And 8 is still very tiny. $pcmd mkpart primary "ext2" 4MiB 12MiB + $pcmd name $grub_extn grubext # gpt ubuntu cloud image uses ~4 mb for this partition. fai uses 1 MiB. # so, I use 3, whatever. # note: parted manual saying cheap flash media # should to start at 4. $pcmd mkpart primary "" 1MiB 4MiB + $pcmd name $bios_grubn biosgrub $pcmd set $bios_grubn bios_grub on $pcmd set $bootn boot on # generally not needed on modern systems # the mkfs failed before on a vm, which prompted me to add diff --git a/fai/config/scripts/GRUB_PC/11-ian b/fai/config/scripts/GRUB_PC/11-ian index 72dc7ec..949f181 100755 --- a/fai/config/scripts/GRUB_PC/11-ian +++ b/fai/config/scripts/GRUB_PC/11-ian @@ -91,6 +91,11 @@ sed -ri 's/(^ *GRUB_CMDLINE_LINUX.*)quiet splash/\1/' /etc/default/grub # warning about it in error.log sed -i '/^ *GRUB_HIDDEN_TIMEOUT/d' /etc/default/grub update-grub2 + +# this is usefull. Only thing reason I see this being disabled by default is +# that a normal user can disrupt the system, eg cause a reboot. +sed -i '$a kernel.sysrq=1 +/^kernel.sysrq=/d' /etc/sysctl.conf EOF