标签：reading script dev hang exec wget usr date pac
错误：
Reading package lists... Done E: Problem executing scripts APT::Update::Post-Invoke-Success ‘if /usr/bin/test -w /var/cache/app-info -a -e /usr/bin/appstreamcli; then appstreamcli refresh > /dev/null; fi‘ E: Sub-process returned an error code
在运行sudo apt-get update时出现如上信息，解决方法如下：
sudo pkill -KILL appstreamcli
wget -P /tmp https://launchpad.net/ubuntu/+archive/primary/+files/appstream_0.9.4-1ubuntu1_amd64.deb https://launchpad.net/ubuntu/+archive/primary/+files/libappstream3_0.9.4-1ubuntu1_amd64.deb
sudo dpkg -i /tmp/appstream_0.9.4-1ubuntu1_amd64.deb /tmp/libappstream3_0.9.4-1ubuntu1_amd64.deb
执行完上述命令之后再次运行sudo apt-get update就不会再出现上面的错误。
参考：
https://askubuntu.com/questions/774986/appstreamcli-hanging-with-100-cpu-usage-during-update
标签：reading script dev hang exec wget usr date pac
原文地址：http://www.cnblogs.com/EasonJim/p/7343892.html
