Debian 9 not updating to latest version 9.2 apt-get update apt-get upgrade The following packages have been kept back: linux-image-amd64 0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded. ispconfig admin Panel showing Update Status: Inst firmware-linux-free (3.4 Debian:9.2/stable [all]) Inst libnuma1 (2.0.11-2.1 Debian:9.2/stable [amd64]) Inst linux-image-4.9.0-4-amd64 (4.9.51-1 Debian:9.2/stable [amd64]) Inst linux-image-amd64 [4.9+80+deb9u1] (4.9+80+deb9u2 Debian:9.2/stable [amd64]) Inst irqbalance (1.1.0-2.3 Debian:9.2/stable [amd64]) Conf firmware-linux-free (3.4 Debian:9.2/stable [all]) Conf libnuma1 (2.0.11-2.1 Debian:9.2/stable [amd64]) Conf linux-image-4.9.0-4-amd64 (4.9.51-1 Debian:9.2/stable [amd64]) Conf linux-image-amd64 (4.9+80+deb9u2 Debian:9.2/stable [amd64]) Conf irqbalance (1.1.0-2.3 Debian:9.2/stable [amd64])