在安装RPi-Monitor时候，更新源遇到了shared-mime-info Structure needs cleaning这个问题。具体报错如下：
Setting up shared-mime-info (1.8-1+deb9u1) ... Failed to rename /usr/share/mime/application/pkix-cert.xml.new as /usr/share/mime/application/pkix-cert.xml: Structure needs cleaning dpkg: error processing package shared-mime-info (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: shared-mime-info E: Sub-process /usr/bin/dpkg returned an error code (1) root@raspberrypi:~# shared-mime-infosudo apt-get remove shared-mime-info -bash: shared-mime-infosudo: command not found
这个问题不解决，RPi-Monitor无法完成。解决方法如下：
cd /var/lib/dpkg/info sudo rm shared-mime* sudo apt-get install shared-mime-info
解决方法出处：https://askubuntu.com/questions/102480/sudo-apt-get-upgrade-fails-due-to-shared-mime-info-postinst-error
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