alpine-make-vm-image/example/configure.sh

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#!/bin/sh
_step_counter=0
step() {
_step_counter=$(( _step_counter + 1 ))
printf '\n\033[1;36m%d) %s\033[0m\n' $_step_counter "$@" >&2 # bold cyan
}
sed -Ei "s|^[# ]*(ttyS0:.*)|\1|" /etc/inittab
step 'Set up timezone'
setup-timezone -z UTC
step 'Set up hostname'
cat > /etc/hosts <<-EOF
127.0.0.1 ${HOSTNAME:-alpine} ${HOSTNAME:-alpine}.local localhost
::1 ${HOSTNAME:-alpine} ${HOSTNAME:-alpine}.local localhost
EOF
echo "${HOSTNAME:-alpine}" > /etc/hostname
step 'Set up networking'
cat > /etc/network/interfaces <<-EOF
iface lo inet loopback
iface eth0 inet dhcp
EOF
ln -s networking /etc/init.d/net.lo
ln -s networking /etc/init.d/net.eth0
step 'Adjust rc.conf'
sed -Ei \
-e 's/^[# ](rc_depend_strict)=.*/\1=NO/' \
-e 's/^[# ](rc_logger)=.*/\1=YES/' \
-e 's/^[# ](unicode)=.*/\1=YES/' \
/etc/rc.conf
step 'Enable services'
rc-update add acpid default
rc-update add chronyd default
rc-update add crond default
rc-update add net.eth0 default
rc-update add net.lo boot
rc-update add termencoding boot
rc-update add sshd default
step 'Creating authorized_keys for root'
mkdir -p /root/.ssh/
echo "$SSHPUBKEY" >> /root/.ssh/authorized_keys