06 Nexus仓储/基础设施 - DevOps之路

本文详细介绍如何使用官方二进制分发包安装 Nexus 仓库,并配置 Java 运行环境,实现 Nexus 的启动与初始化设置。同时介绍了 Nexus 的基本目录结构及如何配置开机自启,确保 Nexus 在系统启动时自动运行。

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06 Nexus仓储/基础设施 - DevOps之路

文章Github地址,欢迎starthttps://github.com/li-keli/DevOps-WiKi

Nexus仓储官网简介:

The world's first and only universal repository solution that's FREE to use.

官方文档

2018-04-10_2.06.png

nexus

从上图可以看到,目前Repository3支持主流的Maven、npm、Nuget、Docker、PyPl、Bower,由此可见,仓库的功能全面且强大。

安装方法

  • 官方二进制分发包安装
  • docker镜像

官方二进制分发包安装

下载源代码

curl -# -O http://download.sonatype.com/nexus/3/latest-unix.tar.gz && \
tar -zxvf latest-unix.tar.gz && \
mv nexus-3.10.0-04 /opt

目录说明

nexus
├── bin             # 该目录包含nexus启动脚本本身以及启动相关的配置文件
├── deploy          
├── etc             # 该目录包含配置文件
├── lib             # 该目录包含与Apache Karaf相关的二进制库
├── LICENSE.txt     
├── NOTICE.txt      
├── public          # 该目录包含应用程序的公共资源
└── system          # 该目录包含构成应用程序的所有组件和插件

安装Java运行时

yum install java-1.8.0-openjdk.x86_64 -y && \
java -version

配置环境

在 .bashrc 中加入变量

export NEXUS_HOME="/opt/nexus"

创建软连

ln -s $NEXUS_HOME/bin/nexus /etc/init.d/nexus

chkconfig

cd /etc/init.d && \
chkconfig --add nexus && \
chkconfig --levels 345 nexus on && \
systemctl start nexus.service

启动成功

创建开机启动

sudo cat>/usr/lib/systemd/system/nexus.service<<EOF
[Unit]  
Description=nexus  
After=network.target  
  
[Service]  
Type=forking  
ExecStart=/opt/nexus/bin/nexus/bin/nexus start  
ExecReload=/opt/nexus/bin/nexus/bin/nexus stop  
ExecStop=/opt/nexus/bin/nexus/bin/nexus stop  
PrivateTmp=true  
  
[Install]    
WantedBy=multi-user.target  
EOF && \
systemctl enbale nexus

其他备注

服务启动后,默认端口号:8081,可以通过修改/opt/nexus/etc/nexus-default.properties进行配置.

http://***:8081/

默认登录账号密码admin/admin123

防火墙

开放默认的8081端口

firewall-cmd --permanent --add-port=8081/tcp && \
firewall-cmd --reload

检查以开放的端口

firewall-cmd --zone=public --list-ports

另外由于作者本身知识有限,都是摸索着来的,所以不一定所有的做法都对,或者某些实践会有更好的方案,望各位读者不吝指正,有任何疑问,请留 issues

[root@ip-10-1-2-224 logs]# ps aux | grep java root 166922 0.1 5.0 4785424 397856 ? Sl 10:02 0:27 java -server -Xms2G -Xmx2G -Xss256K -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:+DisableExplicitGC -XX:+PrintGCDetails -Xloggc:/data/devops/camel-web-sql/logs/gc.log -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/data/devops/camel-web-sql/logs/trade.dump -Djava.net.preferIPv4Stack=true -Dlog4j.configurationFile=config/logback-spring.xml -Dspring.config.name=application -classpath /data/devops/camel-web-sql/config:/data/devops/camel-web-sql/lib/aspectjweaver-1.9.7.jar:/data/devops/camel-web-sql/lib/attoparser-2.0.5.RELEASE.jar:/data/devops/camel-web-sql/lib/commons-codec-1.15.jar:/data/devops/camel-web-sql/lib/commons-lang3-3.12.0.jar:/data/devops/camel-web-sql/lib/druid-1.2.18.jar:/data/devops/camel-web-sql/lib/fastjson-1.2.83.jar:/data/devops/camel-web-sql/lib/hutool-all-5.8.21.jar:/data/devops/camel-web-sql/lib/jackson-annotations-2.13.3.jar:/data/devops/camel-web-sql/lib/jackson-core-2.13.3.jar:/data/devops/camel-web-sql/lib/jackson-databind-2.13.3.jar:/data/devops/camel-web-sql/lib/jackson-datatype-jdk8-2.13.3.jar:/data/devops/camel-web-sql/lib/jackson-datatype-jsr310-2.13.3.jar:/data/devops/camel-web-sql/lib/jackson-module-parameter-names-2.13.3.jar:/data/devops/camel-web-sql/lib/jakarta.annotation-api-1.3.5.jar:/data/devops/camel-web-sql/lib/java-jwt-3.10.3.jar:/data/devops/camel-web-sql/lib/jsch-0.2.9.jar:/data/devops/camel-web-sql/lib/jul-to-slf4j-1.7.36.jar:/data/devops/camel-web-sql/lib/log4j-api-2.17.2.jar:/data/devops/camel-web-sql/lib/log4j-to-slf4j-2.17.2.jar:/data/devops/camel-web-sql/lib/logback-classic-1.2.11.jar:/data/devops/camel-web-sql/lib/logback-core-1.2.11.jar:/data/devops/camel-web-sql/lib/lombok-1.18.16.jar:/data/devops/camel-web-sql/lib/mysql-connector-java-8.0.28.jar:/data/devops/camel-web-sql/lib/redshift-jdbc42-2.1.0.1.jar:/data/devops/camel-web-sql/lib/riam-token-util-1.0-SNAPSHOT.jar:/data/devops/camel-web-sql/lib/slf4j-api-1.7.36.jar:/data/devops/camel-web-sql/lib/snakeyaml-1.30.jar:/data/devops/camel-web-sql/lib/spring-aop-5.3.22.jar:/data/devops/camel-web-sql/lib/spring-beans-5.3.22.jar:/data/devops/camel-web-sql/lib/spring-boot-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-autoconfigure-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-starter-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-starter-aop-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-starter-json-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-starter-logging-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-starter-thymeleaf-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-starter-tomcat-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-boot-starter-web-2.7.2.jar:/data/devops/camel-web-sql/lib/spring-context-5.3.22.jar:/data/devops/camel-web-sql/lib/spring-core-5.3.22.jar:/data/devops/camel-web-sql/lib/spring-expression-5.3.22.jar:/data/devops/camel-web-sql/lib/spring-jcl-5.3.22.jar:/data/devops/camel-web-sql/lib/spring-web-5.3.22.jar:/data/devops/camel-web-sql/lib/spring-webmvc-5.3.22.jar:/data/devops/camel-web-sql/lib/thymeleaf-3.0.15.RELEASE.jar:/data/devops/camel-web-sql/lib/thymeleaf-extras-java8time-3.0.4.RELEASE.jar:/data/devops/camel-web-sql/lib/thymeleaf-spring5-3.0.15.RELEASE.jar:/data/devops/camel-web-sql/lib/tomcat-embed-core-9.0.65.jar:/data/devops/camel-web-sql/lib/tomcat-embed-el-9.0.65.jar:/data/devops/camel-web-sql/lib/tomcat-embed-websocket-9.0.65.jar:/data/devops/camel-web-sql/lib/unbescape-1.1.6.RELEASE.jar:/data/devops/camel-web-sql/lib/web-sql.jar:/data/devops/camel-web-sql/lib/web-sql.jar.back20240607:/data/devops/camel-web-sql/lib/web-sql.jar.back2024060702: com.camelgames.sql.Application root 177500 0.0 0.0 222316 2052 pts/0 S+ 15:19 0:00 grep --color=auto java如何将这个Java程序结束运行
04-02
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