制作RHEL8.6的模板虚拟机

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
#SELINUX=enforcing
SELINUX=disabled
# SELINUXTYPE= can take one of these three values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

systemctl stop firewalld

systemctl disable firewalld

service iptables stop

[main]
enabled=0

# When following option is set to 1, then all repositories defined outside redhat.repo will be disabled
# every time subscription-manager plugin is triggered by dnf or yum
disable_system_repos=0

cd /etc/yum.repos.d/
wget https://mirrors.aliyun.com/repo/Centos-8.repo
yum clean all
yum makecache
yum repolist

sudo yum install socat conntrack ebtables ipset -y
sudo yum install sysstat -y