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documents/alpine/alpine_cloud_init_setup/content.md

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+---
+title: alpine-cloud-init-setup
+description: 
+published: true
+date: 2024-04-17T03:39:24.959Z
+tags: 
+editor: markdown
+dateCreated: 2024-04-15T20:41:58.346Z
+---
+
+# 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
+```bin
+apk add nano
+```
+```bin
+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
+```bin
+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
+```bin
+apk update && apk upgrade
+apk add util-linux e2fsprogs-extra qemu-guest-agent sudo cfdisk cloud-init
+```
+
+## enable qemu-guest-agent on boot
+```bin
+rc-update add qemu-guest-agent
+```
+
+## add root ssh public keys
+```bin
+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
+```bin
+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
+```bin
+/etc/init.d/sshd restart
+```
+log out and back in with root public key
+
+## configure sudo
+```bin
+visudo
+```
+remove comment on #%wheel ALL=(ALL:ALL) ALL
+remove comment on #%sudo ALL=(ALL:ALL) ALL
+save and exit
+
+## configure cloud-init
+```bin
+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
+```
+```bin
+nano /etc/cloud/cloud.cfg
+```
+remove all but NoCloud for datasource_list
+save and exit
+
+## download scripts
+```bin
+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
+```bin
+setup-cloud-init
+```
+```bin
+poweroff
+```