这里写目录标题
ubuntu 显示网络已连接,但是打不开浏览器:
sudo service network-manager stop
sudo rm /var/lib/NetworkManager/NetworkManager.state
sudo service network-manager start
转载于:https://blog.csdn.net/qq_43222384/article/details/122267796
imagemagick
imagemagick的安装
https://blog.csdn.net/willingtolove/article/details/124474837##%20%E6%97%A7%E7%89%88
imagick查看版本号
https://www.yundongfang.com/Yun44006.html
imagemagick的命令介绍
https://imagemagick.org/script/command-line-options.php#crop