摘要： 一、检测pppoeconf软件是否安装 $ dpkg -s pppoeconf出现如下说明已安装：{{Package: pppoeconfStatus: install ok installedPriority: optionalSection: netInstalled-Size: 340Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>Architecture: allVersion: 1.19ubuntu1Depends: whiptail-provider | whiptail, ppp 阅读全文