diff --git a/pages/common/mongod.md b/pages/common/mongod.md
new file mode 100644
index 0000000000..94e68f16c1
--- /dev/null
+++ b/pages/common/mongod.md
@@ -0,0 +1,15 @@
+# mongod
+
+> The daemon process for MongoDB.
+
+- Specify runtime configurations:
+
+`mongod --config <filename>`
+
+- Specify port for MongoDB to listen to client connections:
+
+`mongod --port <port>`
+
+- Change database profiling level. 0 is off, 1 is only slow operations, 2 is all:
+
+`mongod --profile <level>`