CentOS7下安装JDK、Tomcat及Maven

下载

1. 下载jdk

   //jdk需要注册oracle账号才能下载，这里提供一个本人下载好的
   链接: https://pan.baidu.com/s/1zBISqJRXY8glsKh9JyZPew  密码: kb5e
   // 上传到服务器
   scp jdk-8u201-linux-x64.tar.gz root@121.37.4.145:/opt

   121.37.4.145是我购买的服务器公网ip

2. 下载maven

   cd /opt
   wget https://archive.apache.org/dist/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz

3. 下载tomcat

   cd /opt
   wget http://archive.apache.org/dist/tomcat/tomcat-9/v9.0.20/bin/apache-tomcat-9.0.20.tar.gz

    

 解压并重命名

1. 解压

   tar -zvxf jdk-8u201-linux-x64.tar.gz
   tar -zxvf  apache-maven-3.6.1-bin.tar.gz
   tar -zxvf  apache-tomcat-9.0.20.tar.gz

2. 移动到usr目录下

   mv jdk1.8.0_201/ /usr/local/java
   mv apache-maven-3.6.1 /usr/local/maven
   mv apache-tomcat-9.0.20 /usr/local/tomcat

3. 配置环境变量

   vim /etc/profile

    末尾加入：

   # jdk
   export JAVA_HOME=/usr/local/java
   export JRE_HOME=${JAVA_HOME}/jre
   export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
   export PATH=${JAVA_HOME}/bin:$PATH
   # maven
   export M2_HOME=/usr/local/maven
   export PATH=${M2_HOME}/bin:$PATH
   # tomcat
   export TOMCAT_HOME=/usr/local/tomcat

    生效：

   source /etc/profile

    

效果截图：

 

Maven切换阿里源，速递更快！

修改mavensettings文件

vim /usr/local/maven/conf/settings.xml

找到 localRepository 标签 ，添加

<localRepository>/opt/maven-repository</localRepository>

 

 找到 profiles 标签，添加

    <profile>
      <id>aliyun</id>
      <!--  repositories and pluginRepositories here -->
      <repositories>
       <repository>
        <id>nexus-aliyun</id>
        <name>Nexus aliyun</name>
        <url>http://maven.aliyun.com/nexus/content/groups/public</url>
        <releases>
         <enabled>true</enabled>
        </releases>
        <snapshots>
         <enabled>true</enabled>
        </snapshots>
       </repository>
      </repositories>
    </profile>
    <activeProfiles>
     <activeProfile>aliyun</activeProfile>
    </activeProfiles>