add samba user creation notes

active/software_smb/smb.md

@@ -5,6 +5,7 @@
   - [Create SMB User](#create-smb-user)
   - [Create a SMB Share](#create-a-smb-share)
   - [Create a SMB Share with Many Users](#create-a-smb-share-with-many-users)
+  - [Mount SMB Share at Boot](#mount-smb-share-at-boot)
 
 ## Install SMB
 
@@ -19,28 +20,32 @@ sudo firewall-cmd --reload
 ## Create SMB User
 
 ```bash
-sudo smbpasswd -a ducoterra
+# Add a linux user
+sudo adduser --no-create-home --disabled-password --disabled-login sambauser
+
+# Add the samba user with password
+sudo smbpasswd -a sambauser
 ```
 
 ## Create a SMB Share
 
 ```bash
 # Create share
-mkdir /btrfs/pool0/smb/ducoterra
+mkdir /srv/smb/sambauser
 
 # Set proper selinux labels for samba
-sudo semanage fcontext --add --type "samba_share_t" "/btrfs/pool0/smb/ducoterra(/.*)?"
+sudo semanage fcontext --add --type "samba_share_t" "/srv/smb(/.*)?"
 
 # Run restorecon at the root of the btrfs subvolume
-sudo restorecon -R /btrfs/pool0
+sudo restorecon -R /srv
 ```
 
 Edit /etc/samba/smb.conf
 
 ```conf
-[ducoterra]
+[smb_sambauser]
         comment = My Share
-        path = /btrfs/pool0/smb/ducoterra
+        path = /srv/smb/sambauser
         writeable = yes
         browseable = yes
         public = no
@@ -59,8 +64,8 @@ sudo systemctl restart smb
 
 ```bash
 sudo groupadd myfamily
-sudo useradd  -G myfamily jack
-sudo useradd  -G myfamily maria
+sudo useradd -G myfamily jack
+sudo useradd -G myfamily maria
 
 sudo smbpasswd -a jack
 sudo smbpasswd -a maria
@@ -94,4 +99,25 @@ Don't forget to restart smb
 
 ```bash
 systemctl restart smb
-```
+```
+
+## Mount SMB Share at Boot
+
+Make sure your install cifs-utils: `dnf install cifs-utils`
+
+Create a password file at `/etc/samba/credentials` with contents like
+
+```text
+username=USERNAME
+password=PASSWORD
+```
+
+Then edit `/etc/fstab` to mount the share
+
+```conf
+# With login
+//server_name/share_name /local_mount_point cifs _netdev,nofail,uid=1001,gid=1001,credentials=/etc/samba/credentials 0 0
+
+# As guest
+//server_name/share_name /local_mount_point cifs _netdev,nofail,guest 0 0
+```