xenial update

Vagrantfile

@@ -1,6 +1,6 @@
 Vagrant.configure(2) do |config|
     config.vm.hostname = "upstream-training"
-    config.vm.box = "ubuntu/trusty64"
+    config.vm.box = "ubuntu/xenial64"
     config.vm.provider "virtualbox" do |vb|
         vb.memory = "5632"
         vb.cpus = 2

configure-vagrant.sh

@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 
 # Enable shared folder access
-sudo adduser vagrant vboxsf
+sudo adduser ubuntu vboxsf

files/etc/lightdm/lightdm.conf.d/12-autologin.conf

@@ -1,4 +1,4 @@
 [SeatDefaults]
-autologin-user=vagrant
+autologin-user=ubuntu
 user-session=xfce
 

install-base.sh

@@ -7,22 +7,22 @@ export DEBIAN_FRONTEND=noninteractive
 REPO=$(dirname "$(readlink -f "$0")")/
 
 sudo sed -i "s@http://archive.ubuntu.com@$APT_MIRROR@g" /etc/apt/sources.list
-sudo apt-get update
-sudo apt-get dist-upgrade -y
+sudo apt update
+sudo apt dist-upgrade -y
 
 # Fixing headless dictionaries-common install
-sudo apt-get install -y dictionaries-common
+sudo apt install -y dictionaries-common
 sudo /usr/share/debconf/fix_db.pl
 sudo dpkg-reconfigure dictionaries-common
-sudo apt-get dist-upgrade -y
+sudo apt dist-upgrade -y
 
 # Install git workflow related software
-sudo apt-get install -y git gitk git-gui git-review tig
+sudo apt install -y git gitk git-gui git-review tig
 
 # Install basic TUI applications
-sudo apt-get install -y htop mc tmux
+sudo apt install -y htop mc tmux
 
-sudo apt-get clean
+sudo apt clean
 
 # Copy configs
 sudo cp -ar "$REPO/files/etc" /

install-devstack.sh

@@ -11,7 +11,7 @@ cp -ar "$REPO/files/opt" /
 
 /opt/devstack/stack.sh
 
-sudo apt-get clean
+sudo apt clean
 
 # Enable OFFLINE mode for next invoking stack.sh to be faster
 sed -i 's/#OFFLINE=/OFFLINE=/' /opt/devstack/local.conf

install-gui.sh

@@ -3,11 +3,12 @@
 export DEBIAN_FRONTEND=noninteractive
 
 # Set up a desktop environment
-sudo apt-get install -y xfce4
-sudo apt-get install -y lightdm lightdm-gtk-greeter \
+sudo apt install -y linux-image-extra-virtual
+sudo apt install -y xfce4
+sudo apt install -y lightdm lightdm-gtk-greeter \
     --no-install-recommends --no-install-suggests
 # Install basic GUI applications
-sudo apt-get install -y firefox xfce4-terminal xfce4-whiskermenu-plugin \
-    vim-gtk geany xchat
+sudo apt install -y firefox xfce4-terminal xfce4-whiskermenu-plugin \
+    vim-gtk geany hexchat
 
-sudo apt-get clean
+sudo apt clean