Java JDK的安装步骤
第一步:解压:]# tar -zvxf jdk-8u171-linux-x64.tar.gz -C /opt/
第二步: 编辑文件]# vim /etc/profile
加入环境变量的配置:
export JAVA_HOME=/opt/jdk1.8.0_171
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$JAVA_HOME/bin:$PATH
第三步:文件生效:]# source /etc/profile
第三步:测试:# java -version
java version "1.8.0_171"
Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode)
Tomcat的安装步骤:
第一步:解压:[root@localhost Desktop]# tar -zxvf apache-tomcat-8.5.30.tar.gz -C /opt/
第二步:测试操作:]
第一步:进入bin目录:
[root@localhost Desktop]# cd /opt/apache-tomcat-8.5.30/bin/
[root@localhost bin]# ./startup.sh
或者直接启动:
root@localhost Desktop]# /opt/apache-tomcat-8.5.30/bin/startup.sh
Using CATALINA_BASE: /opt/apache-tomcat-8.5.30
Using CATALINA_HOME: /opt/apache-tomcat-8.5.30
Using CATALINA_TMPDIR: /opt/apache-tomcat-8.5.30/temp
Using JRE_HOME: /opt/jdk1.8.0_171/
Using CLASSPATH: /opt/apache-tomcat-8.5.30/bin/bootstrap.jar:/opt/apache-tomcat-8.5.30/bin/tomcat-juli.jar
Tomcat started.
第二步:启动命令:
[root@localhost bin]# ./startup.sh
Using CATALINA_BASE: /opt/apache-tomcat-8.5.30
Using CATALINA_HOME: /opt/apache-tomcat-8.5.30
Using CATALINA_TMPDIR: /opt/apache-tomcat-8.5.30/temp
Using JRE_HOME: /opt/jdk1.8.0_171/
Using CLASSPATH: /opt/apache-tomcat-8.5.30/bin/bootstrap.jar:/opt/apache-tomcat-8.5.30/bin/tomcat-juli.jar
Tomcat started.
第三步:打开浏览器 输入:http://localhost:8080
如果出现猫正确
如果出现错误,可能是防火墙的问题.
Tomcat的关闭
[root@localhost bin]# ./shutdown.sh
Using CATALINA_BASE: /opt/apache-tomcat-8.5.30
Using CATALINA_HOME: /opt/apache-tomcat-8.5.30
Using CATALINA_TMPDIR: /opt/apache-tomcat-8.5.30/temp
Using JRE_HOME: /opt/jdk1.8.0_171/
Using CLASSPATH: /opt/apache-tomcat-8.5.30/bin/bootstrap.jar:/opt/apache-tomcat-8.5.30/bin/tomcat-juli.jar
关于在Linux中怎么开发端口号的问题:
编辑iptables文件
[root@localhost Desktop]# vim /etc/sysconfig/iptables
-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8983 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
想开发那个端口号:
就像8080或者8983一样 复制一行 修改端口号即可。