I remembered follow some instructions on the internet to try to restore Ubuntu setting.
I'm using Ubutu 22.04
But encountered an issue when do sudo apt update
Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease
Ign:2 https://repo.skype.com/deb stable InRelease
Hit:3 https://repo.steampowered.com/steam stable InRelease
Hit:4 https://packages.openvpn.net/openvpn3/debian jammy InRelease
Hit:5 https://repo.pritunl.com/stable/apt jammy InRelease
Get:6 https://debian.neo4j.com stable InRelease [44,2 kB]
Get:8 http://deb.anydesk.com all InRelease [7.386 B]
Hit:9 https://ppa.launchpadcontent.net/bamboo-engine/ibus-bamboo/ubuntu jammy InRelease
Ign:10 https://apt.fury.io/notion-repackaged InRelease
Err:8 http://deb.anydesk.com all InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A2FB21D5A8772835
Hit:11 https://download.sublimetext.com apt/stable/ InRelease
Ign:2 https://repo.skype.com/deb stable InRelease
Err:6 https://debian.neo4j.com stable InRelease
The following signatures were invalid: EXPKEYSIG 59D700E4D37F5F19 Neo4j Admins <admins@neotechnology.com>
Hit:12 https://ppa.launchpadcontent.net/pipewire-debian/pipewire-upstream/ubuntu jammy InRelease
Ign:13 https://apt.fury.io/notion-repackaged Release
Ign:14 https://apt.fury.io/notion-repackaged Packages
Hit:7 https://packagecloud.io/slacktechnologies/slack/debian jessie InRelease
Ign:15 https://apt.fury.io/notion-repackaged Translation-en_US
Ign:16 https://apt.fury.io/notion-repackaged Translation-en
Get:14 https://apt.fury.io/notion-repackaged Packages [1.572 B]
Ign:15 https://apt.fury.io/notion-repackaged Translation-en_US
Ign:16 https://apt.fury.io/notion-repackaged Translation-en
Ign:2 https://repo.skype.com/deb stable InRelease
Ign:15 https://apt.fury.io/notion-repackaged Translation-en_US
Ign:16 https://apt.fury.io/notion-repackaged Translation-en
Ign:15 https://apt.fury.io/notion-repackaged Translation-en_US
Ign:16 https://apt.fury.io/notion-repackaged Translation-en
Ign:15 https://apt.fury.io/notion-repackaged Translation-en_US
Ign:16 https://apt.fury.io/notion-repackaged Translation-en
Ign:15 https://apt.fury.io/notion-repackaged Translation-en_US
Ign:16 https://apt.fury.io/notion-repackaged Translation-en
Ign:15 https://apt.fury.io/notion-repackaged Translation-en_US
Ign:16 https://apt.fury.io/notion-repackaged Translation-en
Err:2 https://repo.skype.com/deb stable InRelease
503 Service Unavailable [IP: 2405:4800:10a:18b::1263 443]
Reading package lists... Done
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'https://packages.openvpn.net/openvpn3/debian jammy InRelease' doesn't support architecture 'i386'
W: GPG error: http://deb.anydesk.com all InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A2FB21D5A8772835
E: The repository 'http://deb.anydesk.com all 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: https://debian.neo4j.com/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
W: GPG error: https://debian.neo4j.com stable InRelease: The following signatures were invalid: EXPKEYSIG 59D700E4D37F5F19 Neo4j Admins <admins@neotechnology.com>
E: The repository 'https://debian.neo4j.com 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.
Now I want to clear anything in the cache (I just guess) for neo4j I have uninstalled it.
