apt install nginx -y
rm /etc/nginx/conf.d/default
rm /etc/nginx/sites-enabled/default

cat << EOF > /etc/nginx/conf.d/proxmox.conf
upstream proxmox {
    server "pve.augin.ru";
}
 
#server {
#    listen 80 default_server;
#    rewrite ^(.*) https://\$host$1 permanent;
#}
 
server {
    listen 443 ssl;
    server_name _;
    ssl_certificate /etc/pve/local/pveproxy-ssl.pem;
    ssl_certificate_key /etc/pve/local/pveproxy-ssl.key;
    proxy_redirect off;
    location / {
        proxy_http_version 1.1;
        proxy_set_header Upgrade \$http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass https://localhost:8006;
        proxy_buffering off;
        client_max_body_size 0;
        proxy_connect_timeout  3600s;
        proxy_read_timeout  3600s;
        proxy_send_timeout  3600s;
        send_timeout  3600s;
    }
}
EOF
 
nano /etc/nginx/conf.d/proxmox.conf

nginx -t 
systemctl restart nginx
systemctl edit nginx.service

добавить

[Unit]
Requires=pve-cluster.service
After=pve-cluster.service