centos7 system cannot access tomcat

王林
Release: 2020-03-16 15:18:39
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centos7 system cannot access tomcat

1. Check whether the firewall is started

Enter the command "firewall-cmd --state". If the situation shown in the figure appears, it means it is running. If not Running, you need to execute the command "systemctl start firewalld" to start the firewall service

centos7 system cannot access tomcat

(Recommended tutorial: centos usage tutorial)

2. Check whether port 8080 is opened by the firewall
Enter the command " firewall-cmd --permanent --zone=public --list-ports " If the situation as shown in the figure appears, port 8080 is opened

centos7 system cannot access tomcat

If the situation shown in the picture does not occur, you need to execute the command "firewall-cmd --zone=public --add-port=8080/tcp --permanent" to open port 8080 and "success" appears. It means the addition is successful.

3. Restart the firewall

Enter the command "firewall-cmd --reload" to restart the firewall. If the word "success" appears, it means the restart is successful.

centos7 system cannot access tomcat

4. Verify whether the opened 8080 port is effective

Enter the command” firewall-cmd --zone=public --query-port=8080/tcp "Verify whether the 8080 port is valid. If the word "yes" appears, it means it is valid.

centos7 system cannot access tomcat

#At this point you can use an external browser to access tomcat in centos.

Related video tutorial sharing: linux video tutorial

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