apt-get install samba winbind libpam-krb5
echo hoge > /etc/hostname
echo search dom.local > /etc/resolvconf/resolv.conf.d/base
echo nameserver {ip_of_ad} >>/etc/resolvconf/resolv.conf.d/base
echo {ip_of_hoge} hoge hoge.dom.local >> /etc/hosts
echo {ip_of_ad} ad.dom.local >> /etc/hosts

　/etc/samba/smb.conf

workgroup = DOM
realm = NADA.LOCAL
security = ads
password server = ad.dom.local
netbios name = SV2015
winbind use default domain = Yes

　/etc/krb5.conf

[libdefaults]
default_realm = DOM.LOCAL
[realms]
DOM.LOCAL = {
kdc = ad.dom.local
admin_server = ad.dom.local
}
[domain_realm]
.dom.local = DOM.LOCAL
dom.local = DOM.LOCAL

　reboot

net ads join -U dom_admin
net ads info
net ads testjoin

　/etc/nsswitch.conf

passwd:     files winbind
shadow:     files winbind
group:      files winbind