CentOS安装java和tomcat

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lewsuy 2018-12-30 21:02:01 博主文章分类：Linux运维 ©著作权

文章标签 centOSjdk tomcat 文章分类 运维

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检查java版本 rpm -qa | grep java

清除系统自带java rpm -e --nodeps rpm -qa | grep java

复制文件 cp jdk-8u191-linux-x64.tar.gz /usr/java

文件错了。。删除 rm -rf /usr/java

mkdir /usr/local/java/ tar -zxvf jdk-8u191-linux-x64.tar.gz -C /usr/local/java mkdir /usr/local/tomcat/ tar -zxvf apache-tomcat-8.5.35.tar.gz -C /usr/local/tomcat

设置环境变量： gedit /etc/profile

JAVA_HOME=/usr/local/java/jdk1.8.0_191 CLASSPATH=.:$JAVA_HOME/lib.tools.jar PATH=$JAVA_HOME/bin:$PATH export JAVA_HOME CLASSPATH PATH

设置生效 source /etc/profile

配置tomcat server.xml

server.xml可以配置端口，编码以及配置项目等等，我们这里就配置一个端口，把默认的8080，修改成80

gedit /usr/local/tomcat/apache-tomcat-8.5.35/conf/server.xml

将<Connector port="8080" protocol="HTTP/1.1" 改成<Connector port="80" protocol="HTTP/1.1"

防火墙添加80/8080端口 firewall-cmd --zone=public --add-port=8080/tcp --permanent firewall-cmd --zone=public --add-port=80/tcp --permanent #刷新防火墙使其生效 sudo firewall-cmd --reload

firewall-cmd --zone=public --list-ports #查看防火墙放行端口列表

启动tomcat /usr/local/tomcat/apache-tomcat-8.5.35/bin/startup.sh

设置开机自启动

如果要开机自启动tomcat，配置如下： chmod +x /etc/rc.d/rc.local gedit /etc/rc.d/rc.local

在文件中添加下面几行：

export JAVA_HOME=/usr/local/java/jdk1.8.0_191

export PATH=$JAVA_HOME/bin:$PATH

export CLASSPATH=$JAVA_HOME/jre/lib/ext:$JAVA_HOME/lib/tools.jar /usr/local/tomcat/bin/startup.sh

配置tomcat的jdk环境变量 yum -y install vim gedit /usr/local/tomcat/apache-tomcat-8.5.35/bin/catalina.sh

在 OS specific support. 前面加入如下代码：

JAVA_HOME=/usr/local/java/jdk1.8.0_191 JRE_HOME=$JAVA_HOME/jre

配置tomcat8开机启动

在/usr/lib/systemd/system目录下增加tomcat8.service文件，内容如下:

gedit /usr/lib/systemd/system/tomcat.service

[Unit] Description=Tomcat After=syslog.target network.target remote-fs.target nss-lookup.target

[Service] Type=oneshot ExecStart=/usr/local/tomcat/apache-tomcat-8.5.35/bin/startup.sh ExecStop=/usr/local/tomcat/apache-tomcat-8.5.35/bin/shutdown.sh ExecReload=/bin/kill -s HUP $MAINPID RemainAfterExit=yes

[Install] WantedBy=multi-user.target

允许tomcat开机启动 systemctl enable tomcat

tomcat8常见命令 systemctl start tomcat.service //启动tomcat systemctl stop tomcat.service //关闭tomcat
systemctl restart tomcat.service //重启tomcat systemctl status tomcat.service //查看状态tomcat