assuming xen dom0
aline linux boots the non-xen menu option by default,
hence hvc0 won’t work just yet.
(eventually switch to console #2 and avoid the hvc0 errors) cd /boot/ cp -pi extlinux.conf extlinux.conf.dist vi extlinux.conf
serial 0 115200 console 1 nohalt 1 default menu.c32 prompt 0 timeout 100 menu title SYSLINUX menu autoboot boot # seconds xen.gz noreboot=true loglvl=info guest_loglvl=info smt=1 ept=exec-sp vmlinuz ... mitigations=off (move the MENU DEFAULT line into the xen label)
and reboot at once
reboot
mv -i /etc/motd /etc/motd.dist
cat /etc/hostname
cat /etc/hosts
apk update
apk add \
    bash \
    bash-completion \
    cfdisk \
    curl \
    ethtool \
    findutils-locate \
    hdparm \
    man-pages \
    mii-tool \
    vim \
    wget
ln -sf /usr/bin/vim /usr/bin/vi
cat > /root/.vimrc <<EOF set mouse= set paste syn on EOF ls -lF /etc/profile.d/aliases.sh # no exist cat > /etc/profile.d/aliases.sh <<EOF alias ll='ls -alhF' alias cp='cp -i' alias mv='mv -i' alias rm='rm -i' EOF
source /etc/profile.d/aliases.sh
that’s it, you’re good to go already, unless you want a full-blown DNC-capable cluster
https://www.f1-consult.com/linux/linux-disk-write-caching/