E:Problem executing scripts APT::Update::Post-Invoke-Success 'if /usr/bin/test -w /var/cache/app-inf
问题描述;在ubantu16.04版本安装docker时,执行sudoapt-getupdate更新软件源,报错:解决:我的ubantu是64bit,在命令窗口按照顺序执行以下命令即可:①sudopkill-KILLappstreamcli②wget-P/tmphttps://launchpad.net/ubuntu/+archive/primary/+files/appstream_0.9.4-