1. system_roles的官方文档的位置是___________________________________;
 2. system_roles的官方文档的位置是___________________________________;
 3. system_roles的官方文档的位置是___________________________________;
 4. 安装rhel-system-roles的命令是_____________________________;
 5. 安装rhel-system-roles的命令是_____________________________;
 6. 安装rhel-system-roles的命令是_____________________________;
 7. 对于ansible.cfg这个配置文件,建议的改动是______________________;
 8. 对于ansible.cfg这个配置文件,建议的改动是______________________;
 9. 对于ansible.cfg这个配置文件,建议的改动是______________________;
 10. rhel-system-roles:使用timesync这个系统role,使用的授时服务器是rhgls.domain10.example.com,并启用iburst参数;
 11. rhel-system-roles:使用selinux这个系统role,设置所有受控主机的selinux状态为enforcing;
1. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/automating_system_administration_by_using_rhel_system_roles/index
 2. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/automating_system_administration_by_using_rhel_system_roles/index
 3. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html-single/automating_system_administration_by_using_rhel_system_roles/index
 4. sudo dnf install rhel-system-roles
 5. sudo dnf install rhel-system-roles
 6. sudo dnf install rhel-system-roles
 7. roles_path=roles:/usr/share/ansible/roles
 8. roles_path=roles:/usr/share/ansible/roles
 9. roles_path=roles:/usr/share/ansible/roles
 10. /* A20240607.yaml */
 ---
 - name: Play1
   hosts: all
   vars:
     timesync_ntp_servers:
       - hostname: rhgls.domain10.example.com
         iburst: yes
   roles:
     - rhel-system-roles.timesync
 ...
 11. /* B20240607.yaml */
 ---
 - name: Play1
   hosts: all
   vars:
     selinux_policy: targeted
     selinux_state: enforcing
   roles:
     - rhel-system-roles.selinux
 ...