The ubuntu-core-installer image is an installer that installs ubuntu core. The environment the installer runs in is similar to the server installer but it has a source catalog entry that points to the model created in ubuntu-core-installer/hooks/05-prepare-image.binary, which subiquity knows how to install.ubuntu/noble
Michael Hudson-Doyle
7 months ago
parent
2215660a7d
commit
0df4234c28
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#!/bin/sh -x
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set -e
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mkdir -p /lib/modules
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#!/bin/bash -ex
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# vi: ts=4 noexpandtab
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if [ "${PASS}" != "base.live" ]; then
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exit 0
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fi
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# Make sure NoCloud is last
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values=$(echo get cloud-init/datasources | debconf-communicate | sed 's/^0 //;s/NoCloud, //;s/None/NoCloud, None/')
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printf "%s\t%s\t%s\t%s\n" \
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cloud-init cloud-init/datasources multiselect "$values" | debconf-set-selections
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dpkg-reconfigure --frontend=noninteractive cloud-init
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if [ `dpkg --print-architecture` = s390x ]; then
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# because z/VM x3270 is just ttyS0
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cp -r /usr/lib/systemd/system/serial-getty@sclp_line0.service.d /usr/lib/systemd/system/serial-getty@ttyS0.service.d
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fi
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#!/bin/bash -ex
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# vi: ts=4 noexpandtab
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case $PASS in
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base.live)
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;;
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*)
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exit 0
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;;
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esac
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cat <<EOF > /etc/initramfs-tools/conf.d/casperize.conf
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export CASPER_GENERATE_UUID=1
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EOF
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cat <<EOF > /etc/initramfs-tools/conf.d/default-layer.conf
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LAYERFS_PATH=${PASS}.squashfs
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EOF
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#!/bin/bash -eux
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# vi: ts=4 noexpandtab
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case $PASS in
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base.live)
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;;
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*)
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exit 0
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;;
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esac
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PROJECT=$PROJECT${SUBARCH:+-$SUBARCH}
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# Fish out generated kernel image and initrd
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mv chroot/boot/initrd.img-* ${PWD}/livecd.${PROJECT}.initrd-generic
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mv chroot/boot/vmlinu?-* ${PWD}/livecd.${PROJECT}.kernel-generic
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chmod a+r ${PWD}/livecd.${PROJECT}.initrd-generic ${PWD}/livecd.${PROJECT}.kernel-generic
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#!/bin/bash
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set -eux
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case ${PASS:-} in
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base.live)
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;;
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*)
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exit 0
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;;
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esac
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. config/binary
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. config/functions
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env SNAPPY_STORE_NO_CDN=1 snap known --remote model series=16 brand-id=canonical model=ubuntu-core-24-amd64 > config/ubuntu-core-24-amd64.model
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env SNAPPY_STORE_NO_CDN=1 snap prepare-image \
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config/ubuntu-core-24-amd64.model --snap console-conf chroot
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mv chroot/system-seed/systems/* chroot/system-seed/systems/ubuntu-core-24-amd64
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rsync -av chroot/system-seed/{systems,snaps} chroot/var/lib/snapd/seed
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rm -rf chroot/system-seed
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cat <<-EOF > config/edge.catalog-in.yaml
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name: "Ubuntu Core 24"
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description: >-
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Ubuntu Core.
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id: ubuntu-core
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type: null
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variant: core
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locale_support: none
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snapd_system_label: ubuntu-core-24-amd64
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EOF
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PROJECT_FULL=$PROJECT${SUBARCH:+-$SUBARCH}
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usc_opts="--output livecd.${PROJECT_FULL}.install-sources.yaml \
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--template config/edge.catalog-in.yaml \
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--size 0"
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/usr/share/livecd-rootfs/update-source-catalog $usc_opts
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# The top level settings are used as module
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# and system configuration.
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# A set of users which may be applied and/or used by various modules
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# when a 'default' entry is found it will reference the 'default_user'
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# from the distro configuration specified below
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users:
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- default
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# If this is set, 'root' will not be able to ssh in and they
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# will get a message to login instead as the default $user
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disable_root: true
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# This will cause the set+update hostname module to not operate (if true)
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preserve_hostname: true
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ssh_pwauth: yes
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chpasswd:
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expire: false
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# This is the initial network config.
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# It can be overwritten by cloud-init or subiquity.
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network:
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version: 2
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ethernets:
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zz-all-en:
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match:
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name: "en*"
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dhcp4: true
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zz-all-eth:
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match:
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name: "eth*"
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dhcp4: true
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# We used to have a custom final_message here. Just use the default instead.
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# Example datasource config
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# datasource:
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# Ec2:
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# metadata_urls: [ 'blah.com' ]
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# timeout: 5 # (defaults to 50 seconds)
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# max_wait: 10 # (defaults to 120 seconds)
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# The modules that run in the 'init' stage
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cloud_init_modules:
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- bootcmd
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- write-files
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- ca-certs
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- rsyslog
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- users-groups
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- ssh
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# The modules that run in the 'config' stage
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cloud_config_modules:
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# Emit the cloud config ready event
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# this can be used by upstart jobs for 'start on cloud-config'.
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- ssh-import-id
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- set-passwords
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- timezone
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- disable-ec2-metadata
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- runcmd
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# The modules that run in the 'final' stage
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cloud_final_modules:
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- scripts-per-once
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- scripts-user
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- ssh-authkey-fingerprints
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- keys-to-console
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- phone-home
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- final-message
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# System and/or distro specific settings
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# (not accessible to handlers/transforms)
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system_info:
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# This will affect which distro class gets used
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distro: ubuntu
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# Default user name + that default users groups (if added/used)
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default_user:
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name: installer
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lock_passwd: false
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gecos: Ubuntu
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groups: [adm, audio, cdrom, dialout, dip, floppy, lxd, netdev, plugdev, sudo, video]
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sudo: ["ALL=(ALL) NOPASSWD:ALL"]
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shell: /usr/bin/subiquity-shell
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# Automatically discover the best ntp_client
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ntp_client: auto
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# Other config here will be given to the distro class and/or path classes
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paths:
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cloud_dir: /var/lib/cloud/
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templates_dir: /etc/cloud/templates/
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upstart_dir: /etc/init/
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package_mirrors:
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- arches: [i386, amd64]
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failsafe:
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primary: http://archive.ubuntu.com/ubuntu
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security: http://security.ubuntu.com/ubuntu
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search:
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primary:
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- http://%(ec2_region)s.ec2.archive.ubuntu.com/ubuntu/
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- http://%(availability_zone)s.clouds.archive.ubuntu.com/ubuntu/
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- http://%(region)s.clouds.archive.ubuntu.com/ubuntu/
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security: []
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- arches: [arm64, armel, armhf]
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failsafe:
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primary: http://ports.ubuntu.com/ubuntu-ports
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security: http://ports.ubuntu.com/ubuntu-ports
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search:
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primary:
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- http://%(ec2_region)s.ec2.ports.ubuntu.com/ubuntu-ports/
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- http://%(availability_zone)s.clouds.ports.ubuntu.com/ubuntu-ports/
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- http://%(region)s.clouds.ports.ubuntu.com/ubuntu-ports/
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security: []
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- arches: [default]
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failsafe:
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primary: http://ports.ubuntu.com/ubuntu-ports
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security: http://ports.ubuntu.com/ubuntu-ports
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ssh_svcname: ssh
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output: {all: '>> /var/log/cloud-init-output.log'}
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no_ssh_fingerprints: true
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ssh:
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emit_keys_to_console: false
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[Journal]
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RateLimitIntervalSec=0
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# systemd in 23.04+ uses a newer "compact" format by default which is not
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# understood by the systemd libraries from jammy used in the subiquity snap.
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[Service]
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Environment="SYSTEMD_JOURNAL_COMPACT=0"
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# systemd in 22.04+ uses "hash table hardening" by default which is not
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# understood by the systemd libraries from focal used in the subiquity snap.
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[Service]
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Environment="SYSTEMD_JOURNAL_KEYED_HASH=0"
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#!/bin/sh
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exec sudo snap run subiquity
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[Service]
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ExecStart=
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ExecStart=-/sbin/agetty --noclear -n --autologin ubuntu-core-installer %I $TERM
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/dev/null
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../media-filesystem.mount
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[Unit]
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Description=Subiquity, the installer for Ubuntu Server %I
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StartLimitInterval=0
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[Service]
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Environment=SNAP_REEXEC=0
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ExecStart=
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ExecStart=/usr/bin/snap run subiquity.subiquity-service %I
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[Service]
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StandardOutput=tty
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ExecStart=
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ExecStart=/usr/bin/snap run subiquity --ssh
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[Unit]
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IgnoreOnIsolate=yes
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[Service]
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Environment=SNAP_REEXEC=0
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UtmpIdentifier=tty1
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TTYPath=/dev/tty1
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TTYReset=yes
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TTYVHangup=yes
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TTYVTDisallocate=yes
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KillMode=process
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IgnoreSIGPIPE=no
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SendSIGHUP=yes
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[Service]
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Environment=SNAP_REEXEC=0
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/bin/true
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/lib/systemd/system/systemd-networkd.service
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/lib/systemd/system/systemd-networkd-wait-online.service
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/lib/systemd/system/systemd-networkd.socket
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