常用环境变量配置（vim /etc/profile）

安装，参考：

# jdk
export JAVA_HOME=/usr/local/jdk1.8.0_211
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar


# jmeter
export JMETER_HOME=/usr/local/apache-jmeter-5.1.1
export PATH=$JMETER_HOME/bin:$PATH



# redis
export REDIS_HOME=/usr/local/redis
export PATH=$REDIS_HOME/bin:$PATH

# mysql5.7
export PATH=/usr/local/mysql/bin:$PATH

# git
export GIT_HOME=/usr/local/git-2.9.5
export PATH=$GIT_HOME/bin:$PATH

# maven
export MAVEN_HOME=/usr/local/apache-maven-3.6.1
export PATH=$MAVEN_HOME/bin:$PATH