Docker安裝centos7報Unit firewalld.service could not be found.異常

1.下載安裝firewall-cmd yum install firewalld systemd -y 2.查看服務器上是否安裝了firewall systemctl status firewalld 3.開啓防火牆 systemctl start firewalld.service 4.關閉防火牆 systemctl stop firewalld.service 5.設置開機啓動 systemc

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