(Optional) Disable the firewall and SELinux

This topic describes how to disable the firewall and SELinux. If you are in a personal trial scenario, you can skip this step. If you are using it in a production environment, we recommend that you refer to this topic to disable the firewall and SELinux.

Disable the firewall

Run the following commands in sequence to disable the firewall:

[admin@test001 ~]$ sudo systemctl disable firewalld 
[admin@test001 ~]$ sudo systemctl stop firewalld
[admin@test001 ~]$ sudo systemctl status firewalld

Disable SELinux

Run the following command to open the /etc/selinux/config configuration file:

[admin@test001 ~]$ sudo vim /etc/selinux/config

Modify the corresponding parameter in the /etc/selinux/config configuration file to the following content:

SELINUX=disabled

Run the following command or restart the server for the changes to take effect:

[admin@test001 ~]$ setenforce 0

Run the following command to check whether the changes have taken effect:

sestatus