ii  linux-headers-4.2.0-15                      4.2.0-15.18                                all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-15-generic              4.2.0-15.18                                amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-4.2.0-16                      4.2.0-16.19                                all          Header files related to Linux kernel version 4.2.0
ii  linux-headers-4.2.0-16-generic              4.2.0-16.19                                amd64        Linux kernel headers for version 4.2.0 on 64 bit x86 SMP
ii  linux-headers-generic                       4.2.0.16.17                                amd64        Generic Linux kernel headers
ii  virtualbox                                  5.0.4-dfsg-2                               amd64        x86 virtualization solution - base binaries
ii  virtualbox-dkms                             5.0.4-dfsg-2                               all          x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-guest-additions-iso              5.0.4-1                                    all          guest additions iso image for VirtualBox
ii  virtualbox-qt                               5.0.4-dfsg-2                               amd64        x86 virtualization solution - Qt based user interface