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notes/alpine-cloud-init-setup.md.md

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install and initial set up

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

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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

/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


nano /etc/cloud/cloud.cfg

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

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FINALIZE - DO NOT POWER BACK ON BEFORE CONVERTING TO TEMPLATE


setup-cloud-init

poweroff