sudo apt-add-repository ppa:gns3/ppa | gpg: 没有找到有效的 OpenPGP 数据

Question

我按照说明在我的 linux 上安装 gns3，看来将 ppa 添加到存储库的第一个命令不起作用。

sudo apt-add-repository ppa:gns3/ppa

 PPA for GNS3 and Supporting Packages. Please see http://www.gns3.com for more details
 More info: https://launchpad.net/~gns3/+archive/ubuntu/ppa
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keybox '/tmp/tmpmnmly0qq/pubring.gpg' created
gpg: /tmp/tmpmnmly0qq/trustdb.gpg: trustdb created
gpg: key 9A2FD067A2E3EF7B: public key "Launchpad PPA for GNS3" imported
gpg: Total number processed: 1
gpg:               imported: 1
Warning: apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8)).
gpg: no valid OpenPGP data found.

Answer 1

您的问题的答案在最后一行中说明：

“gpg：没有找到有效的 OpenPGP 数据。”

运行以下命令可能会解决 go 问题：

sudo apt-get install ca-certificates