21年广东省云计算技能大赛样卷（基础运维部分）_在 controller 节点上安装 vsftp 服务,将/opt 目录设为共享,并设置为开机自启动

【任务1】基础运维任务[5分]

【题目1】基础环境配置

（1）设置控制节点主机名为controller，设置计算节点主机名为compute；

[root@controller ~]# hostnamectl set-hostname controller
[root@compute ~]# hostnamectl set-hostname compute

（2）修改hosts文件将IP地址映射为主机名；

[root@controller ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.100.10 controller
192.168.100.20 compute

（3）关闭控制节点的防火墙，设置开机不启动；

[root@controller ~]# systemctl stop firewalld
[root@controller ~]# systemctl disable firewalld

（4）设置SELinux为Permissive 模式。

[root@controller ~]# cat /etc/selinux/config 
​
# 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.
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