Verify downloads and the public APT repository.
SentinelOS publishes separate trust material for release bundles and for the APT archive. Match fingerprints before trusting either path.
APT archive key
publishedBundle verification
Verify the public conversion bundle.
Download the ZIP, checksum, detached signature and release key into the same folder.
gpg --import sentinelos-release-key.asc
gpg --fingerprint D6666A5894F990A7A35C76A5FFD10F4CF2652C87
gpg --verify SentinelOS_Public_v1_AMBROSO_conversion_bundle.zip.sha256.asc SentinelOS_Public_v1_AMBROSO_conversion_bundle.zip.sha256
sha256sum -c SentinelOS_Public_v1_AMBROSO_conversion_bundle.zip.sha256Repo verification
Verify the public APT endpoint is reachable.
These checks confirm the live repository paths exist before adding the source to apt.
curl -I https://repo.sentinellinux.org/dists/stable/InRelease
curl -I https://repo.sentinellinux.org/dists/stable/main/binary-amd64/Packages.gz
curl -I https://repo.sentinellinux.org/keys/sentinelos-archive-key.ascAPT policy check
Confirm apt sees the public repo.
After adding the source list, the policy output should include https://repo.sentinellinux.org stable/main.
sudo apt update
apt-cache policy sentinel-browser sentinel-program-manager sentinelos-public-converterInRelease metadata authenticate repository contents for apt.