~$ sudo apt update
Get:1 file:/var/opt/amdgpu-pro-local ./ InRelease
Ign:1 file:/var/opt/amdgpu-pro-local ./ InRelease
Get:2 file:/var/opt/amdgpu-pro-local ./ Release [814 B]
Get:2 file:/var/opt/amdgpu-pro-local ./ Release [814 B]
Get:3 file:/var/opt/amdgpu-pro-local ./ Release.gpg
Ign:3 file:/var/opt/amdgpu-pro-local ./ Release.gpg
Hit:4 http://gb.archive.ubuntu.com/ubuntu xenial InRelease
Hit:5 http://gb.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:6 http://gb.archive.ubuntu.com/ubuntu xenial-backports InRelease
Ign:7 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:8 http://security.ubuntu.com/ubuntu xenial-security InRelease
Hit:9 http://dl.google.com/linux/chrome/deb stable Release
Ign:11 https://mega.nz/linux/MEGAsync/xUbuntu_16.04 ./ InRelease
Get:12 https://mega.nz/linux/MEGAsync/xUbuntu_16.04 ./ Release [988 B]
Hit:14 http://ppa.launchpad.net/jon-hedgerows/get-iplayer/ubuntu xenial InRelease
Hit:15 http://ppa.launchpad.net/neurobin/ppa/ubuntu xenial InRelease
Hit:16 http://archive.canonical.com/ubuntu xenial InRelease
Hit:17 http://ppa.launchpad.net/saiarcot895/flightgear/ubuntu xenial InRelease
Hit:18 http://ppa.launchpad.net/webupd8team/indicator-kdeconnect/ubuntu xenial InRelease
Hit:19 http://ppa.launchpad.net/x2go/stable/ubuntu xenial InRelease
Fetched 988 B in 10s (95 B/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
4 packages can be upgraded. Run 'apt list --upgradable' to see them.
~$ sudo apt full-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
libsimgearcore2017.1.3 libsimgearscene2017.1.3 linux-headers-4.4.0-75 linux-headers-4.4.0-75-generic linux-headers-4.4.0-77 linux-headers-4.4.0-77-generic linux-image-4.4.0-75-generic
linux-image-4.4.0-77-generic linux-image-extra-4.4.0-75-generic linux-image-extra-4.4.0-77-generic linux-signed-image-4.4.0-75-generic linux-signed-image-4.4.0-77-generic
Use 'sudo apt autoremove' to remove them.
The following packages will be upgraded:
flashplugin-installer libgnutls-openssl27 libgnutls30 libgnutls30:i386
4 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.
Need to get 1,144 kB of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n]