这里写目录标题
- [ubuntu 显示网络已连接,但是打不开浏览器:](#ubuntu 显示网络已连接,但是打不开浏览器:)
- imagemagick
- [ceres solver 介绍](#ceres solver 介绍)
ubuntu 显示网络已连接,但是打不开浏览器:
cpp
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## 旧版
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