CentOS7 用 letsencrypt 簽 Wildcard SSL 憑證
先安裝 certbot # yum install epel-release -y # yum-config-manager –enable rhui-REGION-rhel-server-extras rhui-REGION-rhel-server-optional# yum install certbot python2-certbot-apache -y 然後簽署你要的網域,下列指令要在 dns server 上面執行 # …