alpine linux sysprep on fire

across all cluster nodes

network setup

cd /etc/

cat hostname
cat hosts

enable the bridges, same as for debian!

vi network/interfaces

...

cat resolv.conf

cd conf.d/
vi dropbear

...

cd ../
init.d/dropbear restart

system setup

cd /etc/

mv -i rc.conf rc.conf.dist
grep -vE '^#|^$' rc.conf.dist > rc.conf.clean
grep -vE '^#|^$' rc.conf.dist > rc.conf
vi rc.conf

rc_tty_number=5
rc_sys="xen0"

chmod -x /etc/init.d/ntpd

ls -lF /etc/conf.d/xen*
ls -lF /etc/default/xen*

deploy nunux

grab and deploy REISER+DRBD kernel

cd /lib/modules/
wget https://lab.nethence.com/nunux/REISER4-AND-DRBD9/5.16.20.modules.tar.gz
tar xzf 5.16.20.modules.tar.gz

cd /boot/
wget https://lab.nethence.com/nunux/REISER4-AND-DRBD9/5.16.20.vmlinuz
wget https://lab.nethence.com/nunux/REISER4-AND-DRBD9/5.16.20.vmlinuz.config

ln -s 5.16.20.vmlinuz vmlinuz
ln -s 5.16.20.vmlinuz.config config

alpine linux has separated /boot/ partition by default

vi extlinux.conf

serial 0 115200
console 1
nohalt 1

default menu.c32
prompt 0
timeout 100

menu title SYSLINUX
menu autoboot boot in # seconds

label xen
  menu default
  com32 mboot.c32
  append xen.gz noreboot=true loglvl=info guest_loglvl=info smt=1 ept=exec-sp com1=115200,8n1 console=com1,vga --- vmlinuz root=/dev/sda3 ro console=hvc0 earlyprintk=xen mitigations=off

label linux
  linux vmlinuz
  append root=/dev/sda3 ro console=tty0 console=ttyS0,115200n8 mitigations=off

menu separator

LABEL alpine-xen-lts
  COM32 mboot.c32
  APPEND xen.gz dom0_mem=384M --- vmlinuz-lts root=/dev/sda3 modules=sd-mod,usb-storage,ext4 rootfstype=ext4 --- initramfs-lts

LABEL alpine-lts
  LINUX vmlinuz-lts
  INITRD initramfs-lts
  APPEND root=/dev/sda3 modules=sd-mod,usb-storage,ext4 rootfstype=ext4

ls -lF /etc/update-extlinux.conf
ls -lF /etc/update-extlinux.d/
update-extlinux

    cp -pi /etc/inittab /etc/inittab.dist
    vi /etc/inittab

# Put a getty on the serial port
ttyS0::respawn:/sbin/getty -L 115200 ttyS0 vt100
ttyS1::respawn:/sbin/getty -L 115200 ttyS1 vt100

# enable login on alternative console
hvc0::respawn:/sbin/getty -L 0 hvc0 vt100
#ttyS0::respawn:/sbin/getty -L 0 ttyS0 vt100
#ttyS1::respawn:/sbin/getty -L 0 ttyS1 vt100

grep ^ttyS /etc/securetty
grep ^hvc /etc/securetty

reboot

xl info
uname -r
zcat /proc/config.gz | grep CONFIG_UFS
zcat /proc/config.gz | grep CONFIG_REISER4
find /lib/modules/`uname -r`/ | grep drbd

drbd utils

install the tools to manage DRBD

    apk add drbd-utils drbd-utils-bash-completion drbd-utils-doc drbd-utils-openrc

resources

https://unix.stackexchange.com/questions/41817/linux-how-to-find-the-device-driver-used-for-a-device

https://askubuntu.com/questions/216110/how-do-i-find-what-kernel-module-is-behind-a-network-interface