Celestia

								
# Download OpenGPG key for validate repository signatures
$ wget https://celestiaproject.space/celestiaproject.key

# Check the downloaded key
$ gpg --keyid-format long  celestiaproject.key
gpg: WARNING: no command supplied.  Trying to guess what you mean ...
pub   rsa4096/982A4D8BCC132493 2023-11-04 [SC]
      0CE58AD6307B38B03C681111982A4D8BCC132493
uid                           Celestia Development Team 
sub   rsa4096/9778A86030002CBE 2023-11-04 [E]

# Import the key
$ sudo apt-key add celestiaproject.key

# Update apt sources.list
$ echo "deb https://celestiaproject.space/debian/ ${SUITE} main" | sudo tee /etc/apt/sources.list.d/celestia.list

# If Celestia sources are required then also add
$ echo "deb-src https://celestiaproject.space/debian/ ${SUITE} main" | sudo tee -a /etc/apt/sources.list.d/celestia.list

# Update apt database and install Celestia
sudo apt update && sudo apt install celestia
								
								

Where SUITE is buster, bullseye or bookworm for 10, 11 or 12 accordingly.

								
# Download OpenGPG key for validate repository signatures
$ curl -fsSL -o celestia.gpg https://download.opensuse.org/repositories/home:/munix9:/unstable/Debian_${VERSION}/Release.key

# Check the downloaded key
$ gpg --keyid-format long celestia.gpg
gpg: WARNING: no command supplied.  Trying to guess what you mean ...
pub   rsa2048/BDF3F6ACD4D81407 2014-06-09 [SC] [expires: 2025-04-10]
      3FE0C0AC1FD6F1034B818A14BDF3F6ACD4D81407
uid                           home:munix9 OBS Project <home:munix9@build.opensuse.org>

# Import the key
$ sudo apt-key add celestia.gpg

# Update apt sources.list
echo "deb https://download.opensuse.org/repositories/home:/munix9:/unstable/Debian_${VERSION}/ ./" | sudo tee /etc/apt/sources.list.d/celestia-obs.list

# Update apt database and install Celestia
sudo apt update && sudo apt install celestia
								
								

Where VERSION is 11 or 12.