ii  linux-headers-4.15.0-38                         4.15.0-38.41                                all          Header files related to Linux kernel version 4.15.0
ii  linux-headers-4.15.0-38-generic                 4.15.0-38.41                                amd64        Linux kernel headers for version 4.15.0 on 64 bit x86 SMP
ii  linux-headers-4.15.0-39                         4.15.0-39.42                                all          Header files related to Linux kernel version 4.15.0
ii  linux-headers-4.15.0-39-generic                 4.15.0-39.42                                amd64        Linux kernel headers for version 4.15.0 on 64 bit x86 SMP
ii  linux-headers-generic                           4.15.0.39.41                                amd64        Generic Linux kernel headers
ii  virtualbox                                      5.2.18-dfsg-2~ubuntu18.04.1                 amd64        x86 virtualization solution - base binaries
ii  virtualbox-dkms                                 5.2.18-dfsg-2~ubuntu18.04.1                 all          x86 virtualization solution - kernel module sources for dkms
ii  virtualbox-qt                                   5.2.18-dfsg-2~ubuntu18.04.1                 amd64        x86 virtualization solution - Qt based user interface