sysvinitからsystemdに変更した後proxmoxをセットアップしたが起動に失敗した。
LMDE2 cinnamon
Proxmox VE4 dpkg error on install | Proxmox Support Forum

systemd

Deni Bertovic

sudo apt-get install -y systemd-sysv

/etc/default/grub

- GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
+ GRUB_CMDLINE_LINUX_DEFAULT="quiet splash init=/bin/systemd"

sudo update-grub2
sudo reboot

[[ `systemctl` =~ -\.mount ]] && echo yes || echo no

install docker

Installation on Debian

apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 \
  --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
echo "deb https://apt.dockerproject.org/repo debian-jessie main" > \
  /etc/apt/sources.list.d/docker.list

apt-get update
apt-get install docker-engine

Set the ip of the Docker bridge with Systemd - Container Solutions

mkdir /etc/systemd/system/docker.service.d/

/etc/systemd/system/docker.service.d/docker.conf

[Service]
ExecStart=
ExecStart=/usr/bin/docker -d -H fd:// --bip=172.17.0.1/24

systemctl daemon-reload
systemctl restart docker

other

dpkg --purge w64codecs
dpkg --remove-architecture i386

/etc/hosts

- 127.0.1.1 proxmox4.local
+ 192.168.100.70    proxmox4.local

install packages

rootで実施

echo "deb http://download.proxmox.com/debian jessie pve-no-subscription" > \
  /etc/apt/sources.list.d/pve-enterprise.list
wget -O- "http://download.proxmox.com/debian/key.asc" | apt-key add -
apt-get update
apt-get dist-upgrade
reboot

apt-get install \
  proxmox-ve ntp ssh postfix ksm-control-daemon open-iscsi

nat

/etc/network/interfaces

auto eth0
iface eth0 inet static
        address 192.168.100.70
        netmask 255.255.255.0
        gateway 192.168.100.1
        dns-nameservers 8.8.8.8 8.8.4.4
        post-up echo 1 > /proc/sys/net/ipv4/conf/eth0/proxy_arp

auto vmbr0
iface vmbr0 inet static
        address  10.10.10.1
        netmask  255.255.255.0
        bridge_ports none
        bridge_stp off
        bridge_fd 0
        post-up echo 1 > /proc/sys/net/ipv4/ip_forward
        post-up   iptables -t nat -A POSTROUTING -s '10.10.10.0/24' -o eth0 -j MASQUERADE
        post-down iptables -t nat -D POSTROUTING -s '10.10.10.0/24' -o eth0 -j MASQUERADE