设置防火墙开机不自启应在哪个节点执行哪条语句?( )
A. 【controller/compute】 systemctl stop firewalld
B. 【controller/compute】systemctl disable firewalld
C. 【controller】 systemctl disable firewalld
D. 【compute】 systemctl disable firewalld
关于防火墙命令,设置防火墙开机不自启动的命令是?( )
A. systemctl stop firewalld
B. systemctl diable firewalld
C. systemctl stop firewall
D. systemctl disable firewall
下列哪条命令可以查询防火墙状态?( )
A. systemctl stop firewalld
B. systemctl disable firewalld
C. systemctl status firewalld
D. 以上都可以
下列哪条命令是安装ftp服务的?( )
A. systemctl start vsftpd
B. systemctl enable vsftpd
C. yum remove vsftpd –y
D. yum install vsftpd –y