mvn eclipse:eclipse
    
  <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-eclipse-plugin</artifactId>
                <configuration>
                    <downloadSources>true</downloadSources>
                    <downloadJavadocs>true</downloadJavadocs>
                </configuration>
            </plugin>
        </plugins>
    </build>

Hosting a Maven repository on github

Creating Maven Repository on Shared Hosting [Very nice one]

Maven in 5 Minutes

Introduction to the Build Lifecycle

POM Reference

Essential Maven POM For JavaEE 7

A Minimalistic POM For JavaEE 6/7

Building and Deploying Java EE EAR with Maven to Java EE Application Server

Creating New Java EE 7 Maven Eclipse Project