VPS notes for using takeover.sh

takeOverMyVPS.sh

#!/bin/bash
# https://github.com/marcan/takeover.sh
#
# Allows to install another Linux flavor like e.g. Gentoo even if the VPS hoster doesn't offer/allow you to do so.
#
# First argument: the deep link to the sysresccd iso image

set -o nounset

/etc/init.d/apache2 stop
apt update
apt install -y git axel

cd /tmp

mkdir /takeover
mount -t tmpfs -o size=4096m tmpfs /takeover

# http://www.system-rescue-cd.org/Download
axel -n 20 -a -o systemresccd.iso $1
mkdir {/tmp/loopiso,/tmp/loopsfs}
mount -o loop systemresccd.iso /tmp/loopiso
mount -o loop /tmp/loopiso/sysrcd.dat /tmp/loopsfs
git clone https://github.com/marcan/takeover.sh.git /takeover
cp -rp /tmp/loopsfs/* /takeover/
umount {/tmp/loopsfs,/tmp/loopiso}

wget -O /takeover/busybox https://www.busybox.net/downloads/binaries/1.26.2-defconfig-multiarch/busybox-x86_64
chmod +x /takeover/busybox
cd /takeover
chroot /takeover gcc /fakeinit.c -o /fakeinit
sh /takeover/takeover.sh