online.net server setup ipv6 shell

setup-dhcpv6.sh

```shell
#!/bin/bash

DUID=$1

skill -9 dibbler-client
dpkg -P dibbler-client
rm -rvf /etc/dibbler /var/log/dibbler /var/lib/dibbler

apt-get install -y wide-dhcpv6-client vim-common

/etc/init.d/wide-dhcpv6-client stop

echo 'profile default { script "/etc/wide-dhcpv6/dhcp6c-script"; };' > /etc/wide-dhcpv6/dhcp6c.conf
echo 'id-assoc pd { prefix-interface eno1 { }; };' >> /etc/wide-dhcpv6/dhcp6c.conf
echo 'id-assoc na { };' >> /etc/wide-dhcpv6/dhcp6c.conf
echo 'interface eth0 { send ia-na 0; send ia-pd 0; };' >> /etc/wide-dhcpv6/dhcp6c.conf
echo $DUID | awk '{ gsub(":"," "); printf "0: 0a 00 %s\n", $0 }' | xxd -r > /var/lib/dhcpv6/dhcp6c_duid

/etc/init.d/wide-dhcpv6-client start
```

use:

```
./setup-dhcpv6.sh 00:03:00:01:23:45:67:89:ab:cd

00:03:00:01:23:45:67:89:ab:cd  is DUID
```