我使用centos7X64最小化安装
CentOS-7-x86_64-Minimal-1708
没装jdk的同学，请移步【centos7 安装 jdk8】的文章
1.关闭firewall：
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| systemctl stop firewalld.service #停止firewall
systemctl disable firewalld.service #禁止firewall开机启动
firewall-cmd --state #查看默认防火墙状态（关闭后显示notrunning，开启后显示running）
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| [root@localhost ~]# firewall-cmd --state
not running
[root@localhost ~]#
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2.安装wget
3.下载tomcat8
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| wget http://mirrors.shuosc.org/apache/tomcat/tomcat-8/v8.5.24/bin/apache-tomcat-8.5.24.tar.gz
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4.解压
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| tar -zxvf apache-tomcat-8.5.24.tar.gz
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5.移动到/usr/local
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| mv apache-tomcat-8.5.24 /usr/local/tomcat8-node1
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6.配置tomcat的jdk环境变量
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| vi /usr/local/tomcat8-node1/conf/catalina.sh
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在 OS specific support. 前面加入如下代码:
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| JAVA_HOME=/usr/local/java/jdk1.8.0_151
JRE_HOME=$JAVA_HOME/jre
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7.复制两份tomcat8-node1并重命名为tomcat8-node2，tomcat8-node3
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| cp /usr/local/tomcat8-node1 /usr/local/tomcat8-node2
cp /usr/local/tomcat8-node1 /usr/local/tomcat8-node3
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8.修改tomcat8-node1,,tomcat8-node2和tomcat8-node3端口,共三处
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| vi /usr/local/tomcat8-node1/conf/server.xml
vi /usr/local/tomcat8-node2/conf/server.xml
vi /usr/local/tomcat8-node3/conf/server.xml
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| <Server port="8005" shutdown="SHUTDOWN">
<Connector port="8080" protocol="HTTP/1.1" redirectPort="8443" />
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
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习惯上对应改为:
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| tomcat8-node1: 18005 18080 18009
tomcat8-node2: 28005 28080 28009
tomcat8-node3: 38005 38080 38009
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7.配置tomcat8-node1,tomcat8-node2,tomcat8-node3开机启动
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| 在/usr/lib/systemd/system目录下增加tomcat8-node1.service,tomcat8-node2.service,tomcat8-node3.service文件，具体内容如下:
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| vi /usr/lib/systemd/system/tomcat8-node1.service
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| [Unit]
Description=Tomcat
After=syslog.target network.target remote-fs.target nss-lookup.target
[Service]
Type=oneshot
ExecStart=/usr/local/tomcat8-node1/bin/startup.sh
ExecStop=/usr/local/tomcat8-node1/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target
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| vi /usr/lib/systemd/system/tomcat8-node2.service
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| [Unit]
Description=Tomcat
After=syslog.target network.target remote-fs.target nss-lookup.target
[Service]
Type=oneshot
ExecStart=/usr/local/tomcat8-node2/bin/startup.sh
ExecStop=/usr/local/tomcat8-node2/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target
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| vi /usr/lib/systemd/system/tomcat8-node3.service
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| [Unit]
Description=Tomcat
After=syslog.target network.target remote-fs.target nss-lookup.target
[Service]
Type=oneshot
ExecStart=/usr/local/tomcat8-node3/bin/startup.sh
ExecStop=/usr/local/tomcat8-node3/bin/shutdown.sh
ExecReload=/bin/kill -s HUP $MAINPID
RemainAfterExit=yes
[Install]
WantedBy=multi-user.target
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8.允许tomcat8-node1,tomcat8-node2,tomcat8-node3开机启动
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| systemctl enable tomcat8-node1
systemctl enable tomcat8-node2
systemctl enable tomcat8-node3
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9.tomcat8常见命令
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| systemctl start tomcat8-node1.service //启动tomcat
systemctl stop tomcat8-node1.service //关闭tomcat
systemctl restart tomcat8-node1.service //重启tomcat
systemctl status tomcat8-node1.service //查看状态tomcat
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