centos7.2下安装jdk和tomcat

1、准备工具 Xshell和Xftp,连接上服务器

2、下载 jdk-7u76-linux-x64.tar.gz 安装包 到 /usr/local/目录 

3、解压缩 tar xvf   jdk-7u76-linux-x64.tar.gz  到目录/usr/local/jdk ， 删除压缩包 rm  jdk-7u76-linux-x64.tar.gz

4、设置jdk环境变量  vim  /etc/profile  

export JAVA_HOME=/usr/local/jdk
export JRE_HOME=$JAVA_HOME/jre  
export PATH=$PATH:$JAVA_HOME/bin  
export CLASSPATH=./:$JAVA_HOME/lib:$JAVA_HOME/jre/lib  

5、使profile配置生效。命令行：source /etc/profile 

6、验证安装  java -version   、   javac

7、下载 apache-tomcat-8.0.39.tar.gz  到/usr/local/目录 

8、解压缩 tar xvf  apache-tomcat-8.0.39.tar.gz   到目录/usr/local/tomcat ， 删除压缩包 rm  apache-tomcat-8.0.39.tar.gz 

9、配置环境变量  vim /etc/profile.d/tomcat.sh

CATALINA_BASE=/usr/local/tomcat
PATH=$CATALINA_BASE/bin:$PATH
export PATH CATALINA_BASE

. /etc/profile.d/tomcat.sh

10、 配置server.xml

  <Service name="Catalina">

    <Connector port="80" protocol="HTTP/1.1"  
               connectionTimeout="20000"
               redirectPort="8443" />

    <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />

    <Engine name="Catalina" defaultHost="x.x.x.x">
 
      <Realm className="org.apache.catalina.realm.LockOutRealm">
 
        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
               resourceName="UserDatabase"/>
      </Realm>

      <Host name="x.x.x.x"  appBase="project/ccnulife"
            unpackWARs="true" autoDeploy="true">
 
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="localhost_access_log." suffix=".txt"
               pattern="%h %l %u %t "%r" %s %b" />
			   
    	<Context path="" docBase="/usr/local/apache-tomcat-8.0.39/ccnulife" reloadable="true" crossContext="true"/>

      </Host>
	  
    </Engine>

firewall-cmd --zone=public --add-port=80/tcp --permanent

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12、如果是腾讯云还要在安全组添加80端口开放

13、在域名解析面板配置域名和ip的映射，端口无需填写。

14、启动tomcat

在tomcat所在目录 ./startup.sh