Created
May 9, 2021 20:33
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| #!/bin/bash -xe | |
| fallocate -L 10G /var/lib/machines.raw | |
| mkfs.btrfs -d single -M -L machines -K /var/lib/machines.raw | |
| systemctl restart var-lib-machines.mount | |
| btrfs subvolume create /var/lib/machines/buster/ | |
| debootstrap --include=systemd,systemd-container --components=main,contrib,non-free --arch=amd64 --no-check-certificate --no-check-gpg buster /var/lib/machines/buster/ http://deb.debian.org/debian | |
| chroot /var/lib/machines/buster/ systemctl enable systemd-{network,resolve}d | |
| chroot /var/lib/machines/buster/ systemctl disable {rsyslog,cron,console-getty}.service | |
| ln -sf /run/systemd/resolve/stub-resolv.conf /var/lib/machines/buster/etc/resolv.conf | |
| mkdir /var/lib/machines/buster/etc/systemd/resolved.conf.d | |
| cat << EOF > /var/lib/machines/buster/etc/systemd/resolved.conf.d/dns.conf | |
| [Resolve] | |
| DNS=1.1.1.1 8.8.8.8 | |
| Domains=~. | |
| DNSSEC=true | |
| EOF | |
| cat << EOF > /var/lib/machines/buster/etc/apt/sources.list | |
| deb http://deb.debian.org/debian/ buster main non-free contrib | |
| deb http://security.debian.org/debian-security buster/updates main contrib non-free | |
| deb http://deb.debian.org/debian/ buster-updates main contrib non-free | |
| deb http://deb.debian.org/debian/ buster-backports main contrib non-free | |
| EOF |
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| #!/bin/bash -xe | |
| new_machine () { | |
| btrfs subvolume snapshot /var/lib/machines/{buster,${1}} | |
| mkdir -p /etc/systemd/nspawn/ | |
| cat << EOF > /etc/systemd/nspawn/${1}.nspawn | |
| [Exec] | |
| Boot=yes | |
| #Environment= | |
| #Capability | |
| #DropCapability | |
| #AmbientCapability | |
| #NoNewPrivileges | |
| MachineID=$(uuid) | |
| #Personality | |
| #LimitCPU=, LimitFSIZE=, LimitDATA=, LimitSTACK=, LimitCORE=, LimitRSS=, LimitNOFILE=, LimitAS=, LimitNPROC=, LimitMEMLOCK=, LimitLOCKS=, LimitSIGPENDING=, LimitMSGQUEUE=, LimitNICE=, LimitRTPRIO=, LimitRTTIME= | |
| #OOMScoreAdjust= | |
| #CPUAffinity | |
| Hostname=${1} | |
| Timezone=UTC | |
| LinkJournal=try-guest | |
| [Files] | |
| #Bind=, BindReadOnly= | |
| #Overlay=, OverlayReadOnly= | |
| #PrivateUsersChown= | |
| [Network] | |
| Bridge=bridge | |
| #Port= | |
| EOF | |
| machinectl start ${1} | |
| machinectl shell ${1} /usr/bin/hostnamectl set-hostname ${1} | |
| machinectl shell ${1} /usr/bin/apt-get update -q | |
| } |
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