Note: It worked quite well until a few days it just sopped working when I was trying to get latest version of GNS3.
Details about my system:
Code: Select all
uname -a
Linux debian 4.19.0-10-amd64 #1 SMP Debian 4.19.132-1 (2020-07-24) x86_64 GNU/Linux
Code: Select all
user107@debian:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 10 (buster)
Release: 10
Codename: buster
Code: Select all
user107@debian:~$ sudo apt-get update
[sudo] password for user107:
Hit:1 http://deb.debian.org/debian buster InRelease
Get:2 https://packages.grafana.com/oss/deb stable InRelease [12.1 kB]
Get:3 http://download.virtualbox.org/virtualbox/debian bionic InRelease [4,432 B]
Get:4 https://packages.grafana.com/oss/deb stable/main amd64 Packages [24.4 kB]
Ign:5 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu hirsute InRelease
Get:6 https://packages.microsoft.com/repos/ms-teams stable InRelease [17.5 kB]
Err:3 http://download.virtualbox.org/virtualbox/debian bionic InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A2F683C52980AECF
Get:7 https://packages.grafana.com/oss/deb stable/main amd64 Contents (deb) [108 kB]
Err:6 https://packages.microsoft.com/repos/ms-teams stable InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EB3E94ADBE1229CF
Ign:8 http://ppa.launchpad.net/fkrull/deadsnakes/ubuntu hirsute InRelease
Ign:9 http://ppa.launchpad.net/gns3/ppa/ubuntu impish InRelease
Get:10 http://ppa.launchpad.net/thierry-f/fork-michael-gruz/ubuntu hirsute InRelease [18.1 kB]
Err:10 http://ppa.launchpad.net/thierry-f/fork-michael-gruz/ubuntu hirsute InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BA6E6CCE411CFCF
Err:11 http://ppa.launchpad.net/deadsnakes/ppa/ubuntu hirsute Release
404 Not Found [IP: 2001:67c:1560:8008::19 80]
Err:12 http://ppa.launchpad.net/fkrull/deadsnakes/ubuntu hirsute Release
404 Not Found [IP: 2001:67c:1560:8008::19 80]
Get:13 http://ppa.launchpad.net/gns3/ppa/ubuntu focal InRelease [17.5 kB]
Err:13 http://ppa.launchpad.net/gns3/ppa/ubuntu focal InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9A2FD067A2E3EF7B
Get:14 http://ppa.launchpad.net/gns3/ppa/ubuntu hirsute InRelease [17.5 kB]
Err:14 http://ppa.launchpad.net/gns3/ppa/ubuntu hirsute InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9A2FD067A2E3EF7B
Err:15 http://ppa.launchpad.net/gns3/ppa/ubuntu impish Release
404 Not Found [IP: 2001:67c:1560:8008::19 80]
Get:16 http://ppa.launchpad.net/linuxuprising/shutter/ubuntu focal InRelease [18.1 kB]
Err:16 http://ppa.launchpad.net/linuxuprising/shutter/ubuntu focal InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EA8CACC073C3DB2A
Get:17 http://ppa.launchpad.net/notepadqq-team/notepadqq/ubuntu trusty InRelease [15.4 kB]
Err:17 http://ppa.launchpad.net/notepadqq-team/notepadqq/ubuntu trusty InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2E30EE6263DE9CD4
Get:18 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu impish InRelease [17.5 kB]
Err:18 http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu impish InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886
Reading package lists... Done
W: GPG error: http://download.virtualbox.org/virtualbox/debian bionic InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A2F683C52980AECF
E: The repository 'http://download.virtualbox.org/virtualbox/debian bionic InRelease' is not signed.
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.
W: GPG error: https://packages.microsoft.com/repos/ms-teams stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EB3E94ADBE1229CF
E: The repository 'https://packages.microsoft.com/repos/ms-teams stable InRelease' is not signed.
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.
W: GPG error: http://ppa.launchpad.net/thierry-f/fork-michael-gruz/ubuntu hirsute InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 3BA6E6CCE411CFCF
E: The repository 'http://ppa.launchpad.net/thierry-f/fork-michael-gruz/ubuntu hirsute InRelease' is not signed.
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.
E: The repository 'http://ppa.launchpad.net/deadsnakes/ppa/ubuntu hirsute Release' does not have 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.
E: The repository 'http://ppa.launchpad.net/fkrull/deadsnakes/ubuntu hirsute Release' does not have 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.
W: GPG error: http://ppa.launchpad.net/gns3/ppa/ubuntu focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9A2FD067A2E3EF7B
E: The repository 'http://ppa.launchpad.net/gns3/ppa/ubuntu focal InRelease' is not signed.
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.
W: GPG error: http://ppa.launchpad.net/gns3/ppa/ubuntu hirsute InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9A2FD067A2E3EF7B
E: The repository 'http://ppa.launchpad.net/gns3/ppa/ubuntu hirsute InRelease' is not signed.
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.
E: The repository 'http://ppa.launchpad.net/gns3/ppa/ubuntu impish Release' does not have 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.
W: GPG error: http://ppa.launchpad.net/linuxuprising/shutter/ubuntu focal InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY EA8CACC073C3DB2A
E: The repository 'http://ppa.launchpad.net/linuxuprising/shutter/ubuntu focal InRelease' is not signed.
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.
W: GPG error: http://ppa.launchpad.net/notepadqq-team/notepadqq/ubuntu trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2E30EE6263DE9CD4
E: The repository 'http://ppa.launchpad.net/notepadqq-team/notepadqq/ubuntu trusty InRelease' is not signed.
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.
W: GPG error: http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu impish InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886
E: The repository 'http://ppa.launchpad.net/webupd8team/y-ppa-manager/ubuntu impish InRelease' is not signed.
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.
user107@debian:~$