Setting up a samba-ad-dc

= Notes =
==== Active Directory Naming ====
In all examples below, replace EXAMPLE with your NetBIOS domain name in caps, example.com with your DNS domain name, HOSTNAME with your system's host name in caps, and hostname with your system's host name.
Refer to the Active Directory naming FAQ before choosing your domain name. 
==== MS-SNTP signing support ====
AD Domain time sync requires MS-SNTP signing support, so be sure to check whether the NTP server you choose to deploy, does support it.
Some of the NTP server versions available in the Alpine repositories (chrony, openntpd, busybox) do not currently support it. This will cause time sync issues for the domain, so be forewarned.
NTP implementations which do support MS-SNTP signing:
* chrony (version >= 3.2) Alpine package in edge Source download v3.2 - Source code commit
* The ntp.org "ntpd" server - Download ntpd
* Windows
Install Chrony version 3.2 on Alpine 3.6.2:
Uncomment and pin the edge/main repository in /etc/apk/repositories
Note that the below URLs are invalid and used for illustrative purposes only. Replace with the valid repository URLs used by your installation.
See Package Repository Pinning for further details.
https://mirror/alpine/v3.6/main
@edge https://mirror/alpine/edge/main
Update the package index:
Upgrade chrony using the @edge tag
Upgrade chrony-doc using the @edge tag
Confirm that the installed version is from the edge repository:
chrony@edge
chrony-doc@edge
Restart chronyd to use the newly upgraded version:
= Installation =
Install packages:
= Edit hosts file =
You need to modify your file to look similar to this.
 127.0.0.1 localhost.localdomain localhost
 10.1.1.10 hostname.example.com hostname
= Create smb.conf =
Alpine doesn't provide an example configuration file in the package so you'll need to create one at . 
 [global]
 server role = domain controller
 workgroup = EXAMPLE
 realm = example.com
 netbios name = HOSTNAME
 passdb backend = samba4
 idmap_ldb:use rfc2307 = yes
 
 [netlogon]
 path = /var/lib/samba/sysvol/example.com/scripts
 read only = No
 
 [sysvol]
 path = /var/lib/samba/sysvol
 read only = No
= Provision your Samba domain =
Answer the questions with your domain information:
Use the SAMBA_INTERNAL DNS option.
When asked for a forwarder IP, choose your internet DNS server. You can use your ISP or other public services (like Google) here.
= Configure resolv.conf =
Modify your to include your new domain as a search domain and point to itself as the first nameserver.
 search example.com
 nameserver 10.1.1.10
= Configure Kerberos =
You need to replace krb5.conf with a link to the one generated by samba.
= Install new init script =
As of 3/31/2016 and Alpine 3.3.3, the included samba init script doesn't support starting it as a domain controller. Modify your script like the one below.
 #!/sbin/openrc-run
 
 extra_started_commands="reload"
 
 DAEMON=${SVCNAME#samba.}
 SERVER_ROLE=`samba-tool testparm --parameter-name="server role" 2>/dev/null | tail -1`
 if [ "$SERVER_ROLE" = "active directory domain controller" ]; then
 daemon_list="samba"
 elif [ "$DAEMON" != "samba" ]; then
 daemon_list=$DAEMON
 fi
 
 depend() {
 need net
 after firewall
 }
 
 
 start_samba() {
 mkdir -p /var/run/samba
 start-stop-daemon --start --quiet --exec /usr/sbin/samba --
 }
 
 stop_samba() {
 start-stop-daemon --stop --quiet --pidfile /var/run/samba/samba.pid
 }
 
 
 start_smbd() {
 start-stop-daemon --start --quiet --exec /usr/sbin/smbd -- \
 ${smbd_options:-"-D"}
 }
 
 stop_smbd() {
 start-stop-daemon --stop --quiet --pidfile /var/run/samba/smbd.pid
 }
 
 start_nmbd() {
 start-stop-daemon --start --quiet --exec /usr/sbin/nmbd -- \
 ${nmbd_options:-"-D"}
 }
 
 stop_nmbd() {
 start-stop-daemon --stop --quiet --pidfile /var/run/samba/nmbd.pid
 }
 
 start_winbindd() {
 start-stop-daemon --start --quiet --exec /usr/sbin/winbindd -- \
 $winbindd_options
 }
 
 stop_winbindd() {
 start-stop-daemon --stop --quiet --pidfile /var/run/samba/winbindd.pid
 }
 
 start() {
 for i in $daemon_list; do
 ebegin "Starting $i"
 start_$i
 eend $?
 done
 }
 
 stop() {
 for i in $daemon_list; do
 ebegin "Stopping $i"
 stop_$i
 eend $?
 done
 }
 
 reload() {
 for i in $daemon_list; do
 ebegin "Reloading $i"
 killall -HUP $i
 eend $?
 done
 }
= Configure the Samba service =
Run this command to start the service on boot.
Run this command to start the service right now.
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Category:Authentication