Configure multiple Tomcat servers to run simultaneously in CentOS

Configure multiple Tomcat servers to run simultaneously in CentOS

First, install JDK in CentOS and download Tomcat. I use apache-tomcat-7.0.50 and do not need to configure environment variables such as CATALINA_2_BASE and CATALINA_2_HOME.

Decompress tomcat to two different linux folders, and then open the server. xml file under the conf file to modify and close the port and start the port. In this way, two tomcat servers can be run simultaneously in linux. Running more tomcat methods is the same.

<Server port ="
"Shutdown =" SHUTDOWN ">
<Connector port ="
& Quot; protocol = & quot; HTTP/1.1 & quot"
ConnectionTimeout = "20000"
RedirectPort = "8443" type = "regxph" text = "yourobjectname"/>
<Connector port ="
"Protocol =" AJP/1.3 "redirectPort =" 8443 "/>

After the service is started, the web page may not be opened. iptables may block the port.

1. Linux Firewall (Iptables) restarts the system to take effect

Enable: chkconfig iptables on

Close: chkconfig iptables off

2. the Linux Firewall (Iptables) takes effect immediately and becomes invalid after restart.

Enable: service iptables start

Disable: service iptables stop

You can use the preceding command to enable or disable other services in Linux.

When Linux Firewall (Iptables) is enabled, set ports 25 and 110 as follows,

Modify the/etc/sysconfig/iptables file and add the following content:

-A RH-Firewall-1-INPUT-m state -- state NEW-p tcp-m tcp -- dport 25 -- syn-j ACCEPT

-A RH-Firewall-1-INPUT-m state -- state NEW-p tcp-m tcp -- dport 110 -- syn-j ACCEPT

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