authconfig: add page (#2007)

pages/linux/authconfig.md

@@ -0,0 +1,35 @@
+# authconfig
+
+> A CLI interface for configuring system authentication resources.
+
+- Display the current configuration (or dry run):
+
+`authconfig --test`
+
+- Configure the server to use a different password hashing algorithm:
+
+`authconfig --update --passalgo={{algorithm}}`
+
+- Enable LDAP authentication:
+
+`authconfig --update --enableldapauth`
+
+- Disable LDAP authentication:
+
+`authconfig --update --disableldapauth`
+
+- Enable Network Information Service (NIS):
+
+`authconfig --update --enablenis`
+
+- Enable Kerberos:
+
+`authconfig --update --enablekrb5`
+
+- Enable Winbind (Active Directory) authentication:
+
+`authconfig --update --enablewinbindauth`
+
+- Enable local authorization:
+
+`authconfig --update --enablelocauthorize`