我正在运行 Ubuntu 16.04，刚刚出现了红色感叹号。我该怎么办？
但电脑上的所有内容都是最新的
这是我使用更新/升级命令时得到的结果：
Ign:1 http://dl.google.com/linux/chrome/deb stable InRelease Ign:2 http://dl.google.com/linux/talkplugin/deb stable InRelease
Hit:3 http://dl.google.com/linux/chrome/deb stable Release
Hit:4 http://am.archive.ubuntu.com/ubuntu xenial InRelease
Get:5 http://dl.google.com/linux/talkplugin/deb stable Release [1,347 B]
Get:6 http://am.archive.ubuntu.com/ubuntu xenial-updates InRelease [93.3 kB]
Get:7 http://dl.google.com/linux/talkplugin/deb stable Release.gpg [198 B]
Get:8 http://security.ubuntu.com/ubuntu xenial-security InRelease [92.2 kB]
Hit:10 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu xenial InRelease Hit:11 http://am.archive.ubuntu.com/ubuntu xenial-backports InRelease
Fetched 187 kB in 1s (169 kB/s)
Reading package lists... Done W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature by key 4CCA1EAF950CEE4AB83976DCA040830F7FAC5991 uses weak digest algorithm (SHA1) W: There is no public key available for the following key IDs: 1397BC53640DB551 W: http://dl.google.com/linux/talkplugin/deb/dists/stable/Release.gpg: Signature by key 4CCA1EAF950CEE4AB83976DCA040830F7FAC5991 uses weak digest algorithm (SHA1) E: Failed to fetch http://dl.google.com/linux/talkplugin/deb/dists/stable/Release No Hash entry in Release file /var/lib/apt/lists/partial/dl.google.com_linux_talkplugin_deb_dists_stable_Release which is considered strong enough for security purposes E: Some index files failed to download. They have been ignored, or old ones used instead.
答案1
这可能是与某些损坏的更新有关的错误。
您可以尝试通过更新包列表来修复这个错误：
sudo apt-get update
sudo apt-get upgrade
笔记：在运行上述命令之前，请检查您的计算机是否已连接到互联网。
我希望这可以帮到你。