在公司的网络下，突然不能进行sudo apt update
aviana@aviana: /home/aviana ➜ sudo apt update Hit:1 http://mirrors.tuna.tsinghua.edu.cn/ubuntu bionic InRelease Ign:2 https://download.docker.com/linux/ubuntu bionic InRelease Err:3 https://download.docker.com/linux/ubuntu bionic Release Could not wait for server fd - select (11: Resource temporarily unavailable) [IP: 18.65.100.61 443] Reading package lists... Done E: The repository 'https://download.docker.com/linux/ubuntu bionic Release' no longer has a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details.
尝试各种网络上的办法，都没有解决，回到家之后，使用家庭宽带网络，成功sudo apt update了
