sudo apt-add-repository ppa:mutlaqja/ppa
sudo apt-get update
[sudo] password for bthoxxxx: 
 Latest INDI Library and drivers!

This PPA is for stable Ekos & INDI drivers releases.
 More info: https://launchpad.net/~mutlaqja/+archive/ubuntu/ppa
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keybox '/tmp/tmp_1rxhrv2/pubring.gpg' created
gpg: /tmp/tmp_1rxhrv2/trustdb.gpg: trustdb created
gpg: key 487CEC2B3F33A288: public key "Launchpad INDI" 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.
Get:1 http://packages.microsoft.com/repos/code stable InRelease [10.4 kB]
Hit:2 http://deb.debian.org/debian bullseye InRelease                          
Get:3 http://security.debian.org/debian-security bullseye-security InRelease [44.1 kB]
Get:4 http://deb.debian.org/debian bullseye-updates InRelease [39.4 kB]        
Get:5 http://packages.microsoft.com/repos/code stable/main arm64 Packages [76.9 kB]
Get:6 http://packages.microsoft.com/repos/code stable/main armhf Packages [76.9 kB]
Get:7 http://packages.microsoft.com/repos/code stable/main amd64 Packages [76.0 kB]
Get:8 http://repo.mysql.com/apt/debian buster InRelease [22.1 kB]              
Get:9 http://ppa.launchpad.net/mutlaqja/ppa/ubuntu jammy InRelease [17.5 kB]   
Get:10 http://weewx.com/apt/python3 buster InRelease [3,906 B]                 
Get:11 http://security.debian.org/debian-security bullseye-security/main Sources [109 kB]
Hit:12 https://repo.mosquitto.org/debian jessie InRelease                
Get:13 http://security.debian.org/debian-security bullseye-security/main amd64 Packages [121 kB]
Get:14 http://security.debian.org/debian-security bullseye-security/main Translation-en [77.5 kB]
Err:8 http://repo.mysql.com/apt/debian buster InRelease                        
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 467B942D3A79BD29
Get:15 http://weewx.com/apt/python3 buster/main all Packages [2,911 B]
Err:9 http://ppa.launchpad.net/mutlaqja/ppa/ubuntu jammy InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 487CEC2B3F33A288
Get:16 https://deb.nodesource.com/node_17.x bullseye InRelease [4,586 B]
Get:17 https://deb.nodesource.com/node_17.x bullseye/main amd64 Packages [773 B]
Reading package lists... Done    
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://repo.mysql.com/apt/debian buster InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 467B942D3A79BD29
W: GPG error: http://ppa.launchpad.net/mutlaqja/ppa/ubuntu jammy InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 487CEC2B3F33A288
E: The repository 'http://ppa.launchpad.net/mutlaqja/ppa/ubuntu jammy 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.