1. 出现这样的问题，执行如下命令即可：
1 sudo chmod 777 ~/.local/share/jupyter/ 2 cd ~/.local/share/jupyter/ 3 ls 4 sudo chmod 777 runtime/ 5 cd runtime/ 6 ls
ubutun 中notebook出现 Permission denied: Untitled.ipynb
原文：https://www.cnblogs.com/zxj9487/p/11385180.html
