Installation and Initialization

Download the Nexus OSS bundle (version 2.14.2-01) from Sonatype.

# Create system user
sudo useradd nexus_user
sudo passwd nexus_user

# Switch to new user
su - nexus_user

# Prepare directories and extract
mkdir -p /opt/nexus_repo
cd /opt/nexus_repo
tar xvzf nexus-2.14.2-01-bundle.tar.gz
cd nexus-2.14.2-01/bin

# Launch service
./nexus start

Access the web interface at http://127.0.0.1:8081/nexus/.

Repository Configuration

Enable Remote Indexing

Authenticate with default credantials (admin/admin123). Navigate to Administration > Repositories. For repositories Apache Snapshots and Central, set Download Remote Indexes to true in the configuration panel. Right-click each repository and select Repair Index.

Configure Proxy Repository

Create a new proxy repository:

• Repository ID: aliyun-mirror
• Remote Storage: http://maven.aliyun.com/nexus/content/groups/public/
• Checksum Policy: Ignore

Add this repository to the public group (Public Repositories).

Maven Configuration

Global Settings (settings.xml)

Modify Maven's global configuraton file (e.g., ~/.m2/settings.xml):

<settings>
  <servers>
    <server>
      <id>corp-releases</id>
      <username>deployer</username>
      <password>strongPassword</password>
    </server>
    <server>
      <id>corp-snapshots</id>
      <username>deployer</username>
      <password>strongPassword</password>
    </server>
  </servers>

  <mirrors>
    <mirror>
      <id>central-proxy</id>
      <mirrorOf>*</mirrorOf>
      <url>http://localhost:8081/nexus/content/groups/public</url>
    </mirror>
  </mirrors>

  <profiles>
    <profile>
      <id>internal-repos</id>
      <repositories>
        <repository>
          <id>group-repo</id>
          <url>http://localhost:8081/nexus/content/groups/public</url>
          <releases><enabled>true</enabled></releases>
          <snapshots><enabled>true</enabled></snapshots>
        </repository>
      </repositories>
    </profile>
  </profiles>

  <activeProfiles>
    <activeProfile>internal-repos</activeProfile>
  </activeProfiles>
</settings>

Project Configuration (pom.xml)

Declare repository and deployment targets:

<distributionManagement>
  <repository>
    <id>corp-releases</id>
    <name>Corporate Release Archive</name>
    <url>http://localhost:8081/nexus/content/repositories/releases</url>
  </repository>
  <snapshotRepository>
    <id>corp-snapshots</id>
    <name>Corporate Snapshot Archive</name>
    <url>http://localhost:8081/nexus/content/repositories/snapshots</url>
  </snapshotRepository>
</distributionManagement>

<repositories>
  <repository>
    <id>group-repo</id>
    <name>Combined Repository</name>
    <url>http://localhost:8081/nexus/content/groups/public</url>
    <releases><enabled>true</enabled></releases>
    <snapshots><enabled>true</enabled></snapshots>
  </repository>
</repositories>