nuy

1. SELinux Disable First, disable selinux. selinux is a feature that improves auditing and security in Linux, but when enabled, it can limit the behavior of services and the configuration considerably. Therefore, it is basically invalidated in many cases. You can disable it by doing the following 2. System modernization & Services suspended due to security measures 3.Network Settings 3.1 Set host name Set the hostname to "Lepard" since the hostname was not set during OS installation. 4.Install NTP server and set up time synchronization service 4.1 Chrony Install 5.Set server time zone Set time zone to Japan (Tokyo)