pdbedit, smbpassword: add page & improve comments (#7545)

pages/linux/pdbedit.md

@@ -0,0 +1,21 @@
+# pdbedit
+
+> Edit the Samba user database.
+> For simple user add/remove/password, you can also use `smbpasswd`.
+> More information: <https://manned.org/pdbedit>.
+
+- List all Samba users (use verbose flag to show their settings):
+
+`sudo pdbedit --list --verbose`
+
+- Add an existing Unix user to Samba (will prompt for password):
+
+`sudo pdbedit --user {{username}} --create`
+
+- Remove a Samba user:
+
+`sudo pdbedit --user {{username}} --delete`
+
+- Reset a Samba user's failed password counter:
+
+`sudo pdbedit --user {{username}} --bad-password-count-reset`