Created
November 25, 2024 06:10
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K3s in Debian 12 Sandbox by systemd-nspawn
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| debootstrap --include=dbus,systemd stable /opt/container/k3s https://mirrors4.tuna.tsinghua.edu.cn/debian/ | |
| echo 1 > /proc/sys/net/ipv4/ip_forward | |
| echo 1 > /proc/sys/vm/overcommit_memory | |
| echo 196608 > /proc/sys/net/netfilter/nf_conntrack_max | |
| echo 1 > /proc/sys/kernel/panic_on_oops | |
| echo 10 > /proc/sys/kernel/panic | |
| modprobe br_netfilter | |
| modprobe overlay | |
| modprobe iptable_nat | |
| modprobe iptable_filter | |
| systemd-run \ | |
| --collect \ | |
| --unit=k3s \ | |
| --working-directory=/opt/container/k3s \ | |
| --property=KillMode=mixed \ | |
| --property=Type=notify \ | |
| --property=Delegate=yes \ | |
| --property=TasksMax=infinity \ | |
| --property=SuccessExitStatus=133 \ | |
| --property=RestartForceExitStatus=133 \ | |
| --setenv=SYSTEMD_NSPAWN_LOCK=0 \ | |
| -- \ | |
| systemd-nspawn \ | |
| --keep-unit \ | |
| --quiet \ | |
| --boot \ | |
| --machine=k3s \ | |
| --directory=/opt/container/k3s \ | |
| --notify-ready=yes \ | |
| --capability=all \ | |
| --private-users=no \ | |
| --system-call-filter=bpf \ | |
| --system-call-filter=keyctl \ | |
| --system-call-filter=add_key \ | |
| --resolv-conf=bind-host \ | |
| --network-macvlan=ens33 \ | |
| --inaccessible=/sys/module/apparmor \ | |
| --bind-ro=/sys/module \ | |
| --bind=/dev/kmsg | |
| # https://www.freedesktop.org/software/systemd/man/latest/systemd.network.html | |
| cat << EOF > /etc/systemd/network/80-container-mv.network | |
| [Match] | |
| Virtualization=container | |
| Name=mv-* | |
| [Network] | |
| DHCP=yes | |
| LinkLocalAddressing=yes | |
| [DHCP] | |
| UseDNS=true | |
| UseTimezone=yes | |
| EOF | |
| systemctl enable --now systemd-networkd | |
| curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn sh - |
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