diff --git a/config-linux.md b/config-linux.md
index c1ca421b..2613a17f 100644
--- a/config-linux.md
+++ b/config-linux.md
@@ -45,6 +45,17 @@ For Linux the mapping is
 
 capabilities is an array of Linux process capabilities. Valid values are the string after `CAP_` for capabilities defined in http://linux.die.net/man/7/capabilities
 
+## Linux Sysctl
+
+```
+   "sysctl": {
+        "net.ipv4.ip_forward": "1",
+        "net.core.somaxconn": "256"
+   }
+```
+
+sysctl allows kernel parameters to be modified at runtime. For more information, see http://man7.org/linux/man-pages/man8/sysctl.8.html
+
 ## SELinux
 
 ## Apparmor