Getting this error from the R1Soft repo lately trying to run a “apt-get update” on Debian Linux?
Ign http://repo.r1soft.com stable Release
W: GPG error: http://repo.r1soft.com stable Release: The following signatures couldn’t be verified because the public key is not available: NO_PUBKEY 39A4965166BD1D82
Simply do the following to import the new key and get rid of this error :
wget http://repo.r1soft.com/r1soft.asc apt-key add r1soft.asc apt-get update