rm: cannot remove `xxx': Read-only file system
linux 中出现 Read-only file system - Aidon博客 - CSDN博客
https://blog.csdn.net/u010839779/article/details/77062347
rm: cannot remove Read-only file system - kq1983的专栏 - CSDN博客
https://blog.csdn.net/kq1983/article/details/44671961