https://www.centos.org/download/
# ifconfig
ens33: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::c3d5:534c:310e:1d63 prefixlen 64 scopeid 0x20<link>
inet6 2408:211:46d:c200:258c:d5ad:9d0a:9037 prefixlen 64 scopeid 0x0<global>
# vi /etc/sysconfig/network-scripts/ifcfg-ens33
ONBOOT=no
↓
ONBOOT=yes
# getenforce
Enforcing ←有効状態
# vi /etc/sysconfig/selinux
SELINUX=enforcing
↓
SELINUX=disabled
# reboot
# getenforce
Disabled ←無効化