安装 maven

# 下载maven
wget https://dlcdn.apache.org/maven/maven-3/3.8.6/binaries/apache-maven-3.8.6-bin.tar.gz
解压
tar -zxvf apache-maven-3.8.6-bin.tar.gz
mv apache-maven-3.8.6 /opt/maven/
配置环境变量
vim /etc/profile

MAVEN_HOME=/opt/maven/
PATH=${MAVEN_HOME}/bin:${PATH}
export PATH

刷新
source /etc/profile

查看
mvn -v
替换maven源
vim /opt/maven/conf/settings.xml
找到标签对,添加以下内容
   alimaven
    aliyun maven
    http://maven.aliyun.com/nexus/content/groups/public/
    central
        true
        always
        true
        always
指定下载源位置
/opt/maven/repository