#!/bin/sh -e # Converts OpenVZ VPS to Alpine Linux # WARNING: This script will wipe any data in your VPS! # GPLv2; Partly based on https://gitlab.com/drizzt/vps2arch server=http://images.linuxcontainers.org path=$(wget -O- ${server}/meta/1.0/index-system | \ grep -v edge | awk '-F;' '($1=="alpine" && $3=="amd64") {print $NF}' | tail -1) cd / mkdir /x wget ${server}/${path}/rootfs.tar.xz tar -C /x -xf rootfs.tar.xz sed -i '/getty/d' /x/etc/inittab sed -i 's/rc_sys="lxc"/rc_sys="openvz"/' /x/etc/rc.conf # save root password and ssh directory sed -i '/^root:/d' /x/etc/shadow grep '^root:' /etc/shadow >> /x/etc/shadow [ -d /root/.ssh ] && cp -a /root/.ssh /x/root/ # save network configuration dev=venet0 ip=$(ip addr show dev $dev | grep global | awk '($1=="inet") {print $2}' | cut -d/ -f1 | head -1) hostname=$(hostname) cat > /x/etc/network/interfaces << EOF auto lo iface lo inet loopback auto $dev iface $dev inet static address $ip netmask up ip route add default dev $dev hostname $hostname EOF cp /etc/resolv.conf /x/etc/resolv.conf # remove all old files and replace with alpine rootfs find / \( ! -path '/dev/*' -and ! -path '/proc/*' -and ! -path '/sys/*' -and ! -path '/x/*' \) -delete || true /x/lib/ld-musl-x86_64.so.1 /x/bin/busybox cp -a /x/* / export PATH="/usr/sbin:/usr/bin:/sbin:/bin" rm -rf /x apk update apk add openssh bash echo PermitRootLogin yes >> /etc/ssh/sshd_config rc-update add sshd default rc-update add mdev sysinit rc-update add devfs sysinit #sh # (for example, run `passwd`) sync reboot -f