为什么要这要贴出来呢，因为这个鬼东西我真的不知道为什么能跑成功，先是在centos7上安装，结果重复多次后成功了，然后重新装一遍，又失败了。。。真的不知道怎么装了，甚至连在centos8上安装的步骤我也是一脸懵逼，完全不知道是怎么成功的，所以你们如果有成功的经验的话可以在评论区讨论下

环境：
系统：CentOS-8.3.2011-x86_64-minimal.iso
vm自动装的，我都不知道选了什么，手慢了，直接install

  history
  1  ip a
  2  python
  3  python3
  4  ip a
  5  poweroff
  6  cd /etc/yum.repos.d/
  7  ls -rlt
  8  cat CentOS-Linux-BaseOS.repo
  9  yum update
 10  poweroff
 11  clear
 12  python
 13  python3
 14  yum install -y python3
 15  python
 16  which python3
 17  ln -s /usr/bin/python3 /usr/bin/python
 18  pip3
 19  which pip3
 20  ln -s /usr/bin/pip3 /usr/bin/pip
 21  yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo && yum clean all && yum makecache && yum install -y docker-ce docker-ce-cli containerd.io && systemctl enable docker && systemctl start docker && docker --version && echo '{' >> /etc/docker/daemon.json && echo '  "registry-mirrors": ["https://mirror.ccs.tencentyun.com", "https://kuamavit.mirror.aliyuncs.com", "https://docker.mirrors.ustc.edu.cn"]' >> /etc/docker/daemon.json && echo '}' >> /etc/docker/daemon.json && systemctl restart docker && sudo docker login --username=100003876070 ccr.ccs.tencentyun.com
 22  wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
 23  yum install -y yum-config-manager wget
 24  yum install -ywget
 25  yum install -y wget
 26  wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
 27  mv docker-ce.repo /etc/yum.repos.d/
 28  yum install -y docker-ce docker-ce-cli containerd.io
 29  systemctl stop firewalld.service
 30  systemctl disable firewalld.service
 31  sed -i 's/^SELINUX=.*/SELINUX=disabled/'  /etc/sysconfig/selinux
 32  cat /etc/sysconfig/selinux
 33  setenforce 0
 34  systemctl enable docker && systemctl start docker
 35  docker --version
 36  echo '{' >> /etc/docker/daemon.json && echo '  "registry-mirrors": ["https://mirror.ccs.tencentyun.com", "https://kuamavit.mirror.aliyuncs.com", "https://docker.mirrors.ustc.edu.cn"]' >> /etc/docker/daemon.json && echo '}' >> /etc/docker/daemon.json && systemctl restart docker && sudo docker login --username=100003876070 ccr.ccs.tencentyun.com
 37  pip
 38  curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose && chmod +x /usr/local/bin/docker-compose && ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose && docker-compose --version
 39  pip3 install docker-compose
 40  uname -s
 41  uname -m
 42  curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
 43  chmod +x /usr/local/bin/docker-compose && ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose && docker-compose --version
 44  git clone -b 9.0.1 git://github.com/ansible/awx.git
 45  yum install -y git
 46  git clone -b 9.0.1 git://github.com/ansible/awx.git
 47  cd /root/awx/installer
 48  ansible-playbook -i inventory install.yml -vv
 49  yum install -y epel-release ansible
 50  yum install -y ansible
 51  curl -o /etc/yum.repos.d/CentOS-Linux-Base.repo http://mirrors.tencent.com/repo/centos8_base.repo && curl -o /etc/yum.repos.d/CentOS-Linux-Epel.repo http://mirrors.tencent.com/repo/epel-8.repo
 52  yum install -y ansible
 53  yum search ansible
 54   sudo dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm -y
 55  yum search ansible
 56  yum install -y ansible
 57  ansible-playbook -i inventory install.yml -vv
 58  pip install docker-py
 59  ansible-playbook -i inventory install.yml -vv
 60  pip install docker-compose
 61  ansible-playbook -i inventory install.yml -vv
 62  pip uninstall docker-py
 63  pip uninstall docker
 64  pip install docker
 65  ansible-playbook -i inventory install.yml -vv
 66  echo $?
 67  cat inventory 
 68  ip a
 69  history 
 70  history >test.txt