Nexus 3.X Installation in linux

$ cd /tmp/
$ wget http://download.sonatype.com/nexus/3/nexus-3.37.3-02-unix.tar.gz

$ tar -xvzpf nexus-3.37.3-02-unix.tar.gz
$ sudo mkdir -p /opt/nexus/3.37
$ sudo mv nexus-3.37.3-02/* /opt/nexus/3.37/
$ sudo mv nexus-3.37.3-02/.install4j/ /opt/nexus/3.37/
$ sudo ln -s /opt/nexus/3.37/ /opt/nexus/current

$ sudo chown -R ${USER} /opt/nexus/

$ sudo vi ~/.bash_profile

#### NEXUS 3.0.0 #########################

export NEXUS_HOME=/opt/nexus/current
export PATH=$PATH:$NEXUS_HOME/bin

#### NEXUS 3.0.0 #########################

$ source ~/.bash_profile

$ nexus start

$ nexus status
nexus is running.

$ curl -I http://localhost:8081/
HTTP/1.1 200 OK
Date: Mon, 28 Feb 2022 23:55:42 GMT
Server: Nexus/3.37.3-02 (OSS)
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-XSS-Protection: 1; mode=block
Content-Type: text/html
Last-Modified: Mon, 28 Feb 2022 23:55:42 GMT
Pragma: no-cache
Cache-Control: no-cache, no-store, max-age=0, must-revalidate, post-check=0, pre-check=0
Expires: 0
Content-Length: 7925

$ mkdir -p /home/developer/.m2/

// Backup original if it exists
$ cp ~/.m2/settings.xml ~/.m2/settings.xml.orig

$ vi ~/.m2/settings.xml

<settings>
    <profiles>
        <profile>
          <id>main</id>
          <activation>
            <activeByDefault>true</activeByDefault>
          </activation>
          <repositories>
            <repository>
              <id>maven-central</id>
              <url>http://localhost:8081/repository/maven-central/</url>
              <layout>default</layout>
              <releases>
                <enabled>true</enabled>
              </releases>
            </repository>
          </repositories>
          <pluginRepositories>
            <pluginRepository>
              <id>maven-central</id>
              <url>http://localhost:8081/repository/maven-central/</url>
            </pluginRepository>
          </pluginRepositories>
        </profile>
      </profiles>
        <servers>
            <server>
                <id>maven-central</id>
                <username>admin</username>
                <password>admin123</password>
                <configuration>
                  <basicAuthScope>
                    <host>ANY</host>
                    <port>ANY</port>
                    <realm>OAM 11g</realm>
                  </basicAuthScope>
                  <httpConfiguration>
                    <all>
                      <params>
                        <property>
                          <name>http.protocol.allow-circular-redirects</name>
                          <value>%b,true</value>
                        </property>
                      </params>
                    </all>
                  </httpConfiguration>
                </configuration>
              </server>
        </servers>
</settings>

$ cd /tmp/
$ git clone https://[email protected]/marley-spring/building-an-e-commerce-store-using-java-spring-framework.git

$ cd building-an-e-commerce-store-using-java-spring-framework/

$ mvn package