1 解压

tar -zxvf nexus-3.19.1-01-unix.tar.gz

2 启动

cd /usr/local/nexus-3.19.1-01/bin
./nexus  start

3 删除刚才的进程

4 新建账户

useradd  nexus
chown -R nexus:nexus  /usr/local/nexus-3.19.1-01/

5 切换用户

su nexus
cd /usr/local/nexus-3.19.1-01/bin
#启动
./nexus start
#查看是否启动
ps aux | grep nexus

6 查看日志

#命令
./nexus run

7 授权启动

#切换root
su root
#root用户
chown -R nexus:nexus /usr/local/sonatype-work/
#切换
su nexus
#启动
cd /usr/local/nexus-3.19.1-01/bin
#启动
nohup ./nexus run >nexus.log 2>&1   &

8 访问

http://192.168.38.45:8081/

9 设置密码

#查看默认密码，用默认密码登录会提示设置新的密码，我设置123456
cd /usr/local/sonatype-work/nexus3

10 登录成功

11 修改limit

#root 用户 
su root
#新增
vim /etc/security/limits.conf
* hard nofile 65536
* soft nofile 65536

12 重启

#nexus 用户
su nexus
#启动
cd /usr/local/nexus-3.19.1-01/bin
nohup ./nexus restart >nexus.log 2>&1   &

13 Nexus 使用

13.1 修改阿里云代理

13.2 修改maven setting.xml

<?xml version="1.0" encoding="UTF-8"?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
   
  <localRepository>F:\m2-springboot</localRepository>
   
  <pluginGroups></pluginGroups>
  <proxies></proxies>
  
  <mirrors>
     <!--配置私服，id与server rosh-admin 一致-->
      <mirror>
      <id>rosh-admin</id>
       <mirrorOf>*</mirrorOf>
       <name>Nexus Mirror</name>
       <url>http://192.168.38.45:8081/repository/maven-public/</url>
    </mirror>
      <!--配置阿里云-->
      <mirror>
          <id>alimaven</id>
          <name>aliyun maven</name>
          <url>http://maven.aliyun.com/nexus/content/groups/public/</url>
          <mirrorOf>central</mirrorOf>
      </mirror>
  </mirrors>
  <servers>
      <server>
          <id>rosh-admin</id>
          <username>admin</username>
          <password>123456</password>
      </server>
      <!--快照-->
      <server>
          <id>rosh-releases</id>
          <username>admin</username>
          <password>123456</password>
      </server>
      <!--稳定-->
      <server>
          <id>rosh-snapshots</id>
          <username>admin</username>
          <password>123456</password>
      </server>
  </servers>
  <profiles>
    <profile>
      <id>Deployment</id>
      <activation>
        <activeByDefault>false</activeByDefault>
      </activation>
     <!--私有仓库地址-->
      <repositories>
          <repository>
            <id>Deployment</id>
            <url>http://192.168.38.45:8081/repository/maven-public/</url>
            <releases>
              <enabled>true</enabled>
          </releases>
          <snapshots>
              <enabled>true</enabled>
          </snapshots>
        </repository>
      </repositories>
     <!--插件地址-->
      <pluginRepositories>
         <pluginRepository>
          <id>Deployment</id>
          <url>http://192.168.38.45:8081/repository/maven-public/</url>
          <releases>
           <enabled>true</enabled>
          </releases>
          <snapshots>
          <enabled>true</enabled>
        </snapshots>
       </pluginRepository>
      </pluginRepositories>
    </profile>
  </profiles>
  <!--激活-->
  <activeProfiles>
    <activeProfile>Deployment</activeProfile>
  </activeProfiles>
  
</settings>

13.3 测试上传

（1）pom文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>org.example</groupId>
    <artifactId>rosh-jar</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <distributionManagement>
        <!--release-->
        <repository>
            <id>rosh-releases</id>
            <name>Rosh Release Repository</name>
            <url>http://192.168.38.45:8081/repository/maven-releases/</url>
        </repository>
        <!--快照-->
        <snapshotRepository>
            <id>rosh-snapshots</id>
            <name>Rosh Snapshot Repository</name>
            <url>http://192.168.38.45:8081/repository/maven-snapshots/</url>
        </snapshotRepository>
    </distributionManagement>


</project>

（2）编写测试类

package com.rosh.hello;
public class NexusHello {
    public void  sayHello(){
        System.out.printf("Hello Nexus");
    }
}

（3） 上传

mvn deploy

13.4 测试下载

（1）pom

<dependencies>
    <dependency>
        <groupId>org.example</groupId>
        <artifactId>rosh-jar</artifactId>
        <version>1.0-20200823.130007-1</version>
    </dependency>
</dependencies>
<distributionManagement>
    <!--release-->
    <repository>
        <id>rosh-releases</id>
        <name>Rosh Release Repository</name>
        <url>http://192.168.38.45:8081/repository/maven-releases/</url>
    </repository>
    <!--快照-->
    <snapshotRepository>
        <id>rosh-snapshots</id>
        <name>Rosh Snapshot Repository</name>
        <url>http://192.168.38.45:8081/repository/maven-snapshots/</url>
    </snapshotRepository>
</distributionManagement>

（2） 测试类

package com.springboot;

import com.rosh.hello.NexusHello;

public class SpringBootWebTest {
    public static void main(String[] args) {
        NexusHello nexusHello=new NexusHello();
        nexusHello.sayHello();
    }
}

PS：安装包地址

链接：https://pan.baidu.com/s/1BtA6hkgXp-VYiUDE8rfsYA 
提取码：in9w