2. CentOS/RHEL 系統 步驟 1:安裝 chrony bash:運行 # CentOS 7/RHEL 7 sudo yum install chrony -y # CentOS 8/RHEL 8+ sudo dnf install chrony -y 步驟 2:配置 chrony(同 Ubuntu) 編輯配置文件/etc