安装jdk的版本 1.8 ● 各种版本可在官网http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html 页面下载 ● tar -zxvf jdk-8u171-linux-x64.tar.gz //解压包 ● mv jdk1.8.0_171 /usr/local/jdk1.8 //移动重命名文件目录 ● vim /etc/profile //最后面增加(这个环境变量文件 修改) JAVA_HOME=/usr/local/jdk1.8 JAVA_BIN=/usr/local/jdk1.8/bin JRE_HOME=/usr/local/jdk1.8/jre PATH=$PATH:/usr/local/jdk1.8/bin:/usr/local/jdk1.8/jre/bin CLASSPATH=/usr/local/jdk1.8/jre/lib:/usr/local/jdk1.8/lib:/usr/local/jdk1.8/jre/lib/charset.jar

● source /etc/profile //令刚刚添加的环境变量生效 ● java -version //检测版本是否安装成功,命令成功,会显示版本信息是否与安装版本一样

安装Tomcat(二进制码安装) ● cd /usr/local/src ● wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.5.30/bin/apache-tomcat-8.5.30.tar.gz ● tar zxvf apache-tomcat-8.5.30.tar.gz //解包 ● mv apache-tomcat-8.5.30 /usr/local/tomcat //移动重命名目录 ● /usr/local/tomcat/bin/startup.sh //安装 ● ps aux|grep tomcat //查看tomcat是否运行 ● netstat -lntp |grep java

ps aux |grep java 查看Java是否正常启动