root@gpu:~/10.1# apt-cache policy nvidia-driver-430
nvidia-driver-430:
  Installed: (none)
  Candidate: 430.26-0ubuntu0~gpu18.04.1
  Version table:
     430.26-0ubuntu0~gpu18.04.1 500
        500 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu bionic/main amd64 Packages
root@gpu:~/10.1# apt-cache policy nvidia-driver-418
nvidia-driver-418:
  Installed: (none)
  Candidate: 418.56-0ubuntu0~gpu18.04.1
  Version table:
     418.56-0ubuntu0~gpu18.04.1 500
        500 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu bionic/main amd64 Packages
     418.39-0ubuntu1 500
        500 file:/var/cuda-repo-10-1-local-10.1.105-418.39  Packages
root@gpu:~/10.1# apt-cache policy nvidia-driver-390
nvidia-driver-390:
  Installed: 390.116-0ubuntu0.18.04.1
  Candidate: 390.116-0ubuntu0.18.04.1
  Version table:
 *** 390.116-0ubuntu0.18.04.1 500
        500 http://ru.archive.ubuntu.com/ubuntu bionic-updates/restricted amd64 Packages
        500 http://security.ubuntu.com/ubuntu bionic-security/restricted amd64 Packages
        500 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status
     390.48-0ubuntu3 500
        500 http://ru.archive.ubuntu.com/ubuntu bionic/restricted amd64 Packages