Issues with missing signatures when updating

Fri Aug 14 19:36:40 UTC 2020

or some needed packages, like wavebox, opera, chrome, I installed the .deb versions on Pop!OS. Now when I 'apt update' I'm getting the following errors related to the public keys being unavailable:

$ sudo apt update
[sudo] password for trey:
Hit:1 http://us.archive.ubuntu.com/ubuntu focal InRelease
Get:2 http://us.archive.ubuntu.com/ubuntu focal-security InRelease [107 kB]
Hit:3 http://apt.pop-os.org/proprietary focal InRelease
Get:4 http://dl.google.com/linux/chrome/deb stable InRelease [1,811 B]
Get:5 http://linux.teamviewer.com/deb stable InRelease [11.0 kB]
Get:6 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease [111 kB]
Get:7 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease [98.3 kB]
Get:8 https://deb.opera.com/opera-stable stable InRelease [2,591 B]
Hit:9 http://packages.microsoft.com/repos/vscode stable InRelease
Get:10 http://us.archive.ubuntu.com/ubuntu focal-security/multiverse Sources [716 B]
Hit:11 http://apt.insync.io/ubuntu focal InRelease
Get:12 http://us.archive.ubuntu.com/ubuntu focal-security/main amd64 DEP-11 Metadata [21.2 kB]
Get:13 http://us.archive.ubuntu.com/ubuntu focal-security/universe amd64 DEP-11 Metadata [35.9 kB]
Err:4 http://dl.google.com/linux/chrome/deb stable InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 78BD65473CB3BD13
Get:14 http://us.archive.ubuntu.com/ubuntu focal-security/multiverse amd64 Packages [1,172 B]
Hit:15 http://ppa.launchpad.net/system76/pop/ubuntu focal InRelease
Ign:17 http://repo.vivaldi.com/stable/deb stable InRelease
Get:18 http://repo.vivaldi.com/stable/deb stable Release [3,831 B]
Err:5 http://linux.teamviewer.com/deb stable InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C5E224500C1289C0
Get:19 http://repo.vivaldi.com/stable/deb stable Release.gpg [833 B]
Get:20 https://download.wavebox.app/stable/linux/deb amd64/ InRelease [1,775 B]
Get:21 http://us.archive.ubuntu.com/ubuntu focal-updates/multiverse Sources [4,620 B]
Get:22 http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages [320 kB]
Get:23 http://us.archive.ubuntu.com/ubuntu focal-updates/main i386 Packages [191 kB]
Get:24 http://us.archive.ubuntu.com/ubuntu focal-updates/main amd64 DEP-11 Metadata [196 kB]
Get:25 http://us.archive.ubuntu.com/ubuntu focal-updates/universe i386 Packages [82.9 kB]
Get:26 http://us.archive.ubuntu.com/ubuntu focal-updates/universe amd64 Packages [152 kB]
Get:27 http://us.archive.ubuntu.com/ubuntu focal-updates/universe amd64 DEP-11 Metadata [177 kB]
Err:8 https://deb.opera.com/opera-stable stable InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4B8EC3BAABDC4346
Get:28 http://us.archive.ubuntu.com/ubuntu focal-updates/universe DEP-11 64x64 Icons [157 kB]
Get:29 http://us.archive.ubuntu.com/ubuntu focal-updates/multiverse amd64 Packages [11.6 kB]
Get:30 http://us.archive.ubuntu.com/ubuntu focal-updates/multiverse amd64 DEP-11 Metadata [2,468 B]
Get:31 http://us.archive.ubuntu.com/ubuntu focal-backports/universe amd64 DEP-11 Metadata [1,972 B]
Hit:32 http://download.opensuse.org/repositories/home:/manuelschneid3r/xUbuntu_20.04 InRelease
Get:16 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease [23.5 kB]
Ign:19 http://repo.vivaldi.com/stable/deb stable Release.gpg
Err:20 https://download.wavebox.app/stable/linux/deb amd64/ InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8DED955C50A5D22
Err:16 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C6ABDCF64DB9A0B2
Reading package lists... Done
W: GPG error: http://dl.google.com/linux/chrome/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 78BD65473CB3BD13
E: The repository 'http://dl.google.com/linux/chrome/deb 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://linux.teamviewer.com/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C5E224500C1289C0
E: The repository 'http://linux.teamviewer.com/deb 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: https://deb.opera.com/opera-stable stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4B8EC3BAABDC4346
E: The repository 'https://deb.opera.com/opera-stable 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://repo.vivaldi.com/stable/deb stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 9658E8044A3AA3D6
E: The repository 'http://repo.vivaldi.com/stable/deb stable Release' 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://download.wavebox.app/stable/linux/deb amd64/ InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A8DED955C50A5D22
E: The repository 'https://download.wavebox.app/stable/linux/deb amd64/ 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://packagecloud.io/slacktechnologies/slack/debian jessie InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C6ABDCF64DB9A0B2
E: The repository 'https://packagecloud.io/slacktechnologies/slack/debian jessie 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.

Doing some searching, I found a post that provided a means to try to retrieve the needed keys. However, using this I still get the same errors. The command I found and output is below:

$ sudo apt update 2>&1 1>/dev/null | sed -ne 's/.*NO_PUBKEY //p' | while read key; do if ! [[ ${keys[*]} =~ "$key" ]]; then sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys "$key"; keys+=("$key"); fi; done
[Scheduling service] 87eaaf66557549129da6513beacaae75: Received packet PING data None
87eaaf66557549129da6513beacaae75: Sending packet PONG data None

Executing: /tmp/apt-key-gpghome.NqOQ7x5WPp/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys C5E224500C1289C0
gpg: key C5E224500C1289C0: public key "TeamViewer GmbH (TeamViewer Linux 2017) " imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: invalid key resource URL '/tmp/apt-key-gpghome.NqOQ7x5WPp/home:manuelschneid3r.asc.gpg'
gpg: keyblock resource '(null)': General error
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 3B4FE6ACC0B21F32: 3 signatures not checked due to missing keys
gpg: key D94AA3F0EFE21092: 3 signatures not checked due to missing keys
gpg: key 871920D1991BC93C: 1 signature not checked due to a missing key
gpg: Total number processed: 10
gpg: skipped new keys: 10
Executing: /tmp/apt-key-gpghome.b9rqVfoyLP/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 78BD65473CB3BD13
gpg: key 7721F63BD38B4796: public key "Google Inc. (Linux Packages Signing Authority) " imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: invalid key resource URL '/tmp/apt-key-gpghome.b9rqVfoyLP/home:manuelschneid3r.asc.gpg'
gpg: keyblock resource '(null)': General error
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 3B4FE6ACC0B21F32: 3 signatures not checked due to missing keys
gpg: key D94AA3F0EFE21092: 3 signatures not checked due to missing keys
gpg: key 871920D1991BC93C: 1 signature not checked due to a missing key
gpg: Total number processed: 10
gpg: skipped new keys: 10
Executing: /tmp/apt-key-gpghome.uVTwl5rEw6/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 4B8EC3BAABDC4346
gpg: key 4B8EC3BAABDC4346: public key "Opera Software Archive Automatic Signing Key 2019 " imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: invalid key resource URL '/tmp/apt-key-gpghome.uVTwl5rEw6/home:manuelschneid3r.asc.gpg'
gpg: keyblock resource '(null)': General error
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 3B4FE6ACC0B21F32: 3 signatures not checked due to missing keys
gpg: key D94AA3F0EFE21092: 3 signatures not checked due to missing keys
gpg: key 871920D1991BC93C: 1 signature not checked due to a missing key
gpg: Total number processed: 10
gpg: skipped new keys: 10
Executing: /tmp/apt-key-gpghome.QUU81wIvyU/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 9658E8044A3AA3D6
gpg: key 9658E8044A3AA3D6: public key "Vivaldi Package Composer KEY05 " imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: invalid key resource URL '/tmp/apt-key-gpghome.QUU81wIvyU/home:manuelschneid3r.asc.gpg'
gpg: keyblock resource '(null)': General error
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 3B4FE6ACC0B21F32: 3 signatures not checked due to missing keys
gpg: key D94AA3F0EFE21092: 3 signatures not checked due to missing keys
gpg: key 871920D1991BC93C: 1 signature not checked due to a missing key
gpg: Total number processed: 10
gpg: skipped new keys: 10
Executing: /tmp/apt-key-gpghome.onRE4TTqa2/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys A8DED955C50A5D22
gpg: key A8DED955C50A5D22: public key "Thomas Beverley " imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: invalid key resource URL '/tmp/apt-key-gpghome.onRE4TTqa2/home:manuelschneid3r.asc.gpg'
gpg: keyblock resource '(null)': General error
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 3B4FE6ACC0B21F32: 3 signatures not checked due to missing keys
gpg: key D94AA3F0EFE21092: 3 signatures not checked due to missing keys
gpg: key 871920D1991BC93C: 1 signature not checked due to a missing key
gpg: Total number processed: 10
gpg: skipped new keys: 10
Executing: /tmp/apt-key-gpghome.547H0hLqTQ/gpg.1.sh --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys C6ABDCF64DB9A0B2
gpg: key D938EC0D038651BD: public key "https://packagecloud.io/slacktechnologies/slack (https://packagecloud.io/docs#gpg_signing) " imported
gpg: Total number processed: 1
gpg: imported: 1
gpg: invalid key resource URL '/tmp/apt-key-gpghome.547H0hLqTQ/home:manuelschneid3r.asc.gpg'
gpg: keyblock resource '(null)': General error
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 1488EB46E192A257: 1 signature not checked due to a missing key
gpg: key 3B4FE6ACC0B21F32: 3 signatures not checked due to missing keys
gpg: key D94AA3F0EFE21092: 3 signatures not checked due to missing keys
gpg: key 871920D1991BC93C: 1 signature not checked due to a missing key
gpg: Total number processed: 10
gpg: skipped new keys: 10

What is the best way to resolve this?

Thanks!

-- 
  Trey Sizemore
  trey at fastmail.fm