Add Service Discovery category

README.md

@@ -25,6 +25,7 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
   * [Packaging](#packaging)
   * [RDBMS](#rdbms)
   * [Security](#security)
+  * [Service Discovery](#service-discovery)
   * [SMTP](#smtp)
   * [Software Containers](#software-containers)
   * [SSH](#ssh)
@@ -91,11 +92,6 @@ A curated list of amazingly awesome open source sysadmin resources inspired by [
 * [Rundeck](http://rundeck.org/) - Simple orchestration tool.
 * [Salt](http://www.saltstack.com/) - It's written in Python.
 
-## Service discovery
-
-* [Consul](http://www.consul.io/) - Consul is a tool for service discovery, monitoring and configuration.
-* [ZooKeeper](http://zookeeper.apache.org/) - ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.
-* [Doozerd](https://github.com/ha/doozerd) - Doozer is a highly-available, completely consistent store for small amounts of extremely important data.
 
 ## Cloud Storage
 
@@ -327,6 +323,12 @@ Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-v
 
 * [Fail2Ban](http://www.fail2ban.org/wiki/index.php/Main_Page) - Scans log files and takes action on IPs that show malicious behavior.
 
+## Service Discovery
+
+* [Consul](http://www.consul.io/) - Consul is a tool for service discovery, monitoring and configuration.
+* [Doozerd](https://github.com/ha/doozerd) - Doozer is a highly-available, completely consistent store for small amounts of extremely important data.
+* [ZooKeeper](http://zookeeper.apache.org/) - ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.
+
 ## SMTP
 *SMTP servers.*