notes/documents/alpine/alpine_cloud_init_setup/content.md

alpine_cloud_init_setup

INSTALL AND INITIAL SETUP

first boot

boot alpine from network log in as root

setup-alpine

keyboard: us
keyboard locale: us-intl
hostname: default
network interface: default
dhcp: default
netmask: default
gateway: default
manual network changes: default
network suffix: lan
dns: default
set root password
timezone: America/Chicago
proxy: default
mirror: default
add user: default
ssh server: default
allow ssh root login: yes
ssh key for root: default
format: /dev/sda
filesystem: sys
write disk: y
reboot

CONFIGURATION

set nano as default editor

apk add nano

echo "EDITOR=nano" > /etc/profile.d/default_editor.sh
echo "export EDITOR" >>  /etc/profile.d/default_editor.sh

save and exit log out and back in

update repos

echo "http://dl-cdn.alpinelinux.org/alpine/latest-stable/main" > /etc/apk/repositories
echo "http://dl-cdn.alpinelinux.org/alpine/latest-stable/community" >> /etc/apk/repositories

update and install packages

apk update && apk upgrade
apk add util-linux e2fsprogs-extra qemu-guest-agent sudo cfdisk cloud-init

enable qemu-guest-agent on boot

rc-update add qemu-guest-agent

add root ssh public keys

mkdir /root/.ssh
echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHWiw5lVzQIZiZc1SPphvHhdSpFl9UN6Xm4znFqq5xs4 server-root" > /root/.ssh/authorized_keys
echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBI/kuy/SVCxShVBNtWtNREX9cpWrlsthV3z15ky+bPy winpc-root" >> /root/.ssh/authorized_keys
chmod 600 /root/.ssh/*

change sshd config back to default

sed -i 's/PermitRootLogin yes/#PermitRootLogin prohibit-password/g' /etc/ssh/sshd_config
sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/g' /etc/ssh/sshd_config

save and exit

restart sshd

/etc/init.d/sshd restart

log out and back in with root public key

configure sudo

visudo

remove comment on #%wheel ALL=(ALL:ALL) ALL remove comment on #%sudo ALL=(ALL:ALL) ALL save and exit

configure cloud-init

sed -i 's/disable_root: true/disable_root: false/g' /etc/cloud/cloud.cfg
sed -i 's/groups: [adm, wheel]/groups: [adm, wheel, sudo]/g' /etc/cloud/cloud.cfg

nano /etc/cloud/cloud.cfg

remove all but NoCloud for datasource_list save and exit

download scripts

mkdir /root/scripts
wget -qO /root/scripts/download-alpine-scripts.sh aknlw.com/download-alpine-scripts
chmod +x /root/scripts/download-alpine-scripts.sh

FINALIZE - DO NOT POWER BACK ON BEFORE CONVERTING TO TEMPLATE

setup-cloud-init

poweroff