What have you tried:
nothing
What is the error:
Err:1 The Samsung Unified Linux Driver Repository debian InRelease
OpenPGP signature verification failed: The Samsung Unified Linux Driver Repository debian InRelease: Sub-process /usr/bin/sqv returned an error code (1), error message is: Missing key 230890002EDEE9679DE6FC73FB510D557CC3E840, which is needed to verify signature. Missing key 31712967E9DA399C42BED2F5A890B7701F3014B7, which is needed to verify signature.
signed.
Notice: Updating from such a repository can’t be done securely, and is therefore disabled by default.
Notice: See apt-secure(8) manpage for repository creation and user configuration details.
What device is this on:
debian fresh virtual machine directly install on harddisk