tk@LinuxVideo:~$ sudo apt-get install ubuntu-desktop
[sudo] password for tk: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
ubuntu-desktop is already the newest version (1.361).
The following packages were automatically installed and are no longer required:
  kde-l10n-engb linux-headers-4.4.0-21 linux-headers-4.4.0-21-generic
  linux-headers-4.4.0-22 linux-headers-4.4.0-22-generic linux-headers-4.4.0-24
  linux-headers-4.4.0-24-generic linux-headers-4.4.0-28
  linux-headers-4.4.0-28-generic linux-image-4.4.0-21-generic
  linux-image-4.4.0-22-generic linux-image-4.4.0-24-generic
  linux-image-4.4.0-28-generic linux-image-extra-4.4.0-21-generic
  linux-image-extra-4.4.0-22-generic linux-image-extra-4.4.0-24-generic
  linux-image-extra-4.4.0-28-generic
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 1293 not upgraded.
tk@LinuxVideo:~$ sudo apt autoremove
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages will be REMOVED:
  kde-l10n-engb linux-headers-4.4.0-21 linux-headers-4.4.0-21-generic
  linux-headers-4.4.0-22 linux-headers-4.4.0-22-generic linux-headers-4.4.0-24
  linux-headers-4.4.0-24-generic linux-headers-4.4.0-28
  linux-headers-4.4.0-28-generic linux-image-4.4.0-21-generic
  linux-image-4.4.0-22-generic linux-image-4.4.0-24-generic
  linux-image-4.4.0-28-generic linux-image-extra-4.4.0-21-generic
  linux-image-extra-4.4.0-22-generic linux-image-extra-4.4.0-24-generic
  linux-image-extra-4.4.0-28-generic
0 upgraded, 0 newly installed, 17 to remove and 1292 not upgraded.
After this operation, 1,190 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 365521 files and directories currently installed.)
Removing kde-l10n-engb (4:15.12.1-0ubuntu1) ...
Removing linux-headers-4.4.0-21-generic (4.4.0-21.37) ...
Removing linux-headers-4.4.0-21 (4.4.0-21.37) ...
Removing linux-headers-4.4.0-22-generic (4.4.0-22.40) ...
Removing linux-headers-4.4.0-22 (4.4.0-22.40) ...
Removing linux-headers-4.4.0-24-generic (4.4.0-24.43) ...
Removing linux-headers-4.4.0-24 (4.4.0-24.43) ...
Removing linux-headers-4.4.0-28-generic (4.4.0-28.47) ...
Removing linux-headers-4.4.0-28 (4.4.0-28.47) ...
Removing linux-image-extra-4.4.0-21-generic (4.4.0-21.37) ...
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-21-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found linux image: /boot/vmlinuz-4.4.0-24-generic
Found initrd image: /boot/initrd.img-4.4.0-24-generic
Found linux image: /boot/vmlinuz-4.4.0-22-generic
Found initrd image: /boot/initrd.img-4.4.0-22-generic
Found linux image: /boot/vmlinuz-4.4.0-21-generic
Found initrd image: /boot/initrd.img-4.4.0-21-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
Removing linux-image-4.4.0-21-generic (4.4.0-21.37) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-21-generic /boot/vmlinuz-4.4.0-21-generic
update-initramfs: Deleting /boot/initrd.img-4.4.0-21-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-21-generic /boot/Progress: [ 61%] [####################################......................] 
Progress: [ 61%] [####################################......................] 
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found linux image: /boot/vmlinuz-4.4.0-24-generic
Found initrd image: /boot/initrd.img-4.4.0-24-generic
Found linux image: /boot/vmlinuz-4.4.0-22-generic
Found initrd image: /boot/initrd.img-4.4.0-22-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
Removing linux-image-extra-4.4.0-22-generic (4.4.0-22.40) ...
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-22-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found linux image: /boot/vmlinuz-4.4.0-24-generic
Found initrd image: /boot/initrd.img-4.4.0-24-generic
Found linux image: /boot/vmlinuz-4.4.0-22-generic
Found initrd image: /boot/initrd.img-4.4.0-22-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
Removing linux-image-4.4.0-22-generic (4.4.0-22.40) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
update-initramfs: Deleting /boot/initrd.img-4.4.0-22-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-22-generic /boot/vmlinuz-4.4.0-22-generic
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found linux image: /boot/vmlinuz-4.4.0-24-generic
Found initrd image: /boot/initrd.img-4.4.0-24-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
Removing linux-image-extra-4.4.0-24-generic (4.4.0-24.43) ...
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-24-generic
^Arun-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found linux image: /boot/vmlinuz-4.4.0-24-generic
Found initrd image: /boot/initrd.img-4.4.0-24-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
Removing linux-image-4.4.0-24-generic (4.4.0-24.43) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
update-initramfs: Deleting /boot/initrd.img-4.4.0-24-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-24-generic /boot/vmlinuz-4.4.0-24-generic
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
Removing linux-image-extra-4.4.0-28-generic (4.4.0-28.47) ...
run-parts: executing /etc/kernel/postinst.d/apt-auto-removal 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
update-initramfs: Generating /boot/initrd.img-4.4.0-28-generic
run-parts: executing /etc/kernel/postinst.d/pm-utils 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
run-parts: executing /etc/kernel/postinst.d/unattended-upgrades 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
run-parts: executing /etc/kernel/postinst.d/update-notifier 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found linux image: /boot/vmlinuz-4.4.0-28-generic
Found initrd image: /boot/initrd.img-4.4.0-28-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
Removing linux-image-4.4.0-28-generic (4.4.0-28.47) ...
Examining /etc/kernel/postrm.d .
run-parts: executing /etc/kernel/postrm.d/initramfs-tools 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
update-initramfs: Deleting /boot/initrd.img-4.4.0-28-generic
run-parts: executing /etc/kernel/postrm.d/zz-update-grub 4.4.0-28-generic /boot/vmlinuz-4.4.0-28-generic
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.4.0-34-generic
Found initrd image: /boot/initrd.img-4.4.0-34-generic
Found linux image: /boot/vmlinuz-4.4.0-31-generic
Found initrd image: /boot/initrd.img-4.4.0-31-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done
tk@LinuxVideo:~$