今天我做了sudo apt upgrade
,然后,作为一个双重检查,做了sudo apt update
。后者终止于:
Hit:5 http://dl.google.com/linux/chrome/deb stable InRelease
Get:6 https://repo.skype.com/deb stable InRelease [4,502 B]
Err:6 https://repo.skype.com/deb stable InRelease
The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <[email protected]>
Fetched 4,502 B in 5s (894 B/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://repo.skype.com/deb stable InRelease: The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <[email protected]>
W: Failed to fetch https://repo.skype.com/deb/dists/stable/InRelease The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <[email protected]>
W: Some index files failed to download. They have been ignored, or old ones used instead.
为了解决这个问题,我打了电话sudo apt remove skypeforlinux
,然后又做了一个sudo apt update
. 更新再次以关于无效签名的消息终止。
如何清除此无效签名问题?
$ uname -mrs
Linux 5.4.0-77-generic x86_64
$ lsb_release -d
Description: Ubuntu 20.04.2 LTS