今天我执行了
为了解决这个问题,我尝试执行了
请问如何解决这个无效签名的问题?
sudo apt upgrade
,然后为了再次确认,我执行了sudo apt update
。后者终止并显示以下信息: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 <se-um@microsoft.com>
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 <se-um@microsoft.com>
W: Failed to fetch https://repo.skype.com/deb/dists/stable/InRelease The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <se-um@microsoft.com>
W: Some index files failed to download. They have been ignored, or old ones used instead.
为了解决这个问题,我尝试执行了
sudo apt remove skypeforlinux
命令,然后再次执行了sudo apt update
命令。但更新过程中又出现了关于无效签名的错误信息。请问如何解决这个无效签名的问题?
$ uname -mrs
Linux 5.4.0-77-generic x86_64
$ lsb_release -d
Description: Ubuntu 20.04.2 LTS