Linux安装Jdk，Maven，Git

安装Java

下载jdk8

链接：https://pan.baidu.com/s/1kTm0YhMoAasif40CDkRRxw
提取码：zlc9

创建目录
$ mkdir -p /home/soft/java
解压
$ tar -zxvf jdk-8u301-linux-x64.tar.gz 
编辑环境
$ vi /etc/profile
在文件末尾添加
#java
JAVA_HOME=/home/soft/java/jdk1.8.0_301
JRE_HOME=/home/soft/java/jdk1.8.0_301/jre
PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin
CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
export JAVA_HOME JRE_HOME PATH CLASSPATH
重新加载环境
$ source /etc/profile
验证是否安装成功
$ java -version
显示如下成功
java version "1.8.0_301"
Java(TM) SE Runtime Environment (build 1.8.0_301-b09)
Java HotSpot(TM) 64-Bit Server VM (build 25.301-b09, mixed mode)

安装Maven

创建目录
$ mkdir -p /home/soft/maven
下载
$ wget https://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
解压
$ tar -zxvf apache-maven-3.6.3-bin.tar.gz
编辑环境
$ vi /etc/profile
在文件末尾添加
#maven
export  MAVEN_HOME=/home/soft/maven/apache-maven-3.6.3
export  PATH=${JAVA_HOME}/bin:${MAVEN_HOME}/bin:$PATH
重新加载环境
$ source /etc/profile
验证安装是否成功
$ mvn -v
输出如下
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
Maven home: /home/soft/maven/apache-maven-3.6.3
Java version: 1.8.0_301, vendor: Oracle Corporation, runtime: /home/soft/java/jdk1.8.0_301/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-1160.49.1.el7.x86_64", arch: "amd64", family: "unix"

安装Git

安装

yum -y install git

配置ssh

$ mkdir .ssh
$ cd .ssh/
$ ssh-keygen -t rsa -C "xxx.xxx.com"
# 然后一路回车
$ ls
id_rsa  id_rsa.pub  known_hosts
# 复制 id_rsa.pub 到git仓库配置ssh公钥
# git clone 必须使用git@xxxxxxx地址