# install desktop for ubuntu-server (gnome/kde/xfce)
sudo apt-get install ubuntu-desktop/kubuntu-desktop/xubuntu-desktop
edit file /etc/update-manager/release-upgrades
. change Prompt=lts
to Prompt=normal
,
save and exit, then execute
sudo do-release-upgrade -d
During the upgrade, it will notify the source address. Press y to continue, then wait for it finish upgrade and reboot.
# before we install tools, make sure our souce-list in up-to-date.
sudo apt-get update
git
sudo apt-get install git-all
vlc
sudo apt-get install vlc vlc-plugin-pulse mozilla-plugin-vlc
htop
sudo apt-get install htop