In CentOS, you cannot use the setup command-bash: setup: commandnotfound.

This problem occurs because of the Minimal installation mode, so the setuptool software is not installed. Solution: Use the yum source to directly download and install or download the setuptool package installation # install setuptoolyuminstallsetuptool

This problem occurs because the Minimal installation mode does not install the setuptool software.

Solution: Use the yum source to directly download and install or download the setuptool package installation # install setuptoolyum install setuptool # you can find that the installation is incomplete after setup is executed, install a firewall for system service management yum install ntsysv # install the firewall configuration in setup yum install system-config-securitylevel-tui # install the network settings in setup yum install system-config -network-tui # install the corresponding keyboard settings in setup: yum install system-config-keyboard