diff --git a/1-network-namespace/Makefile b/1-network-namespace/Makefile
index 435cc61..6d3a1bd 100644
--- a/1-network-namespace/Makefile
+++ b/1-network-namespace/Makefile
@@ -2,19 +2,19 @@ all: setup test teardown
 
 setup:
 	rm -rf setup.complete
-	vagrant ssh container-networking -c 'cd /vagrant ; ./setup.sh > setup.log ; touch setup.complete' &
+	vagrant ssh 1-network-namespace -c 'cd /vagrant ; ./setup.sh > setup.log ; touch setup.complete' &
 	until [ -f setup.complete ]; do sleep 1; done
 
 test:
-	vagrant ssh container-networking -c 'cd /vagrant ; ./test.sh'
+	vagrant ssh 1-network-namespace -c 'cd /vagrant ; ./test.sh'
 
 teardown:
 	rm -rf teardown.complete
-	-vagrant ssh container-networking -c 'cd /vagrant ; ./teardown.sh > teardown.log ; touch teardown.complete' &
+	-vagrant ssh 1-network-namespace -c 'cd /vagrant ; ./teardown.sh > teardown.log ; touch teardown.complete' &
 	until [ -f teardown.complete ]; do sleep 1; done
 
 clean:
 	rm -rf *.log *.complete
 
 ssh:
-	vagrant ssh container-networking
+	vagrant ssh 1-network-namespace
diff --git a/1-network-namespace/Vagrantfile b/1-network-namespace/Vagrantfile
index e1b15bc..d3f058a 100755
--- a/1-network-namespace/Vagrantfile
+++ b/1-network-namespace/Vagrantfile
@@ -3,15 +3,16 @@
 
 $script = <<SCRIPT
 echo "cd /vagrant" >> /home/vagrant/.bashrc
-echo ":set number"        >> /home/vagrant/.vimrc
-echo ":colorscheme delek" >> /home/vagrant/.vimrc
+echo ":set number" >> /home/vagrant/.vimrc
+echo ":set nowrap" >> /home/vagrant/.vimrc
+echo ":colorscheme industry" >> /home/vagrant/.vimrc
 SCRIPT
 
 Vagrant.configure(2) do |config|
-  config.vm.define "container-networking" do |s1|
+  config.vm.define "1-network-namespace" do |s1|
       s1.vm.box = "ubuntu/xenial64"
       s1.vm.network :private_network, ip: "10.0.0.10", virtualbox__intnet: "network1"
-      s1.vm.hostname = "container-networking"
+      s1.vm.hostname = "1-network-namespace"
       s1.vm.provision "shell", inline: $script
   end
   config.vm.box_check_update = false
diff --git a/1-network-namespace/diagram.jpg b/1-network-namespace/diagram.jpg
index 31b6d7c..ec4b218 100644
Binary files a/1-network-namespace/diagram.jpg and b/1-network-namespace/diagram.jpg differ
diff --git a/2-single-node/Makefile b/2-single-node/Makefile
index 435cc61..8ac64af 100644
--- a/2-single-node/Makefile
+++ b/2-single-node/Makefile
@@ -2,19 +2,19 @@ all: setup test teardown
 
 setup:
 	rm -rf setup.complete
-	vagrant ssh container-networking -c 'cd /vagrant ; ./setup.sh > setup.log ; touch setup.complete' &
+	vagrant ssh 2-single-node -c 'cd /vagrant ; ./setup.sh > setup.log ; touch setup.complete' &
 	until [ -f setup.complete ]; do sleep 1; done
 
 test:
-	vagrant ssh container-networking -c 'cd /vagrant ; ./test.sh'
+	vagrant ssh 2-single-node -c 'cd /vagrant ; ./test.sh'
 
 teardown:
 	rm -rf teardown.complete
-	-vagrant ssh container-networking -c 'cd /vagrant ; ./teardown.sh > teardown.log ; touch teardown.complete' &
+	-vagrant ssh 2-single-node -c 'cd /vagrant ; ./teardown.sh > teardown.log ; touch teardown.complete' &
 	until [ -f teardown.complete ]; do sleep 1; done
 
 clean:
 	rm -rf *.log *.complete
 
 ssh:
-	vagrant ssh container-networking
+	vagrant ssh 2-single-node
diff --git a/2-single-node/Vagrantfile b/2-single-node/Vagrantfile
index 5431ac1..c403af3 100755
--- a/2-single-node/Vagrantfile
+++ b/2-single-node/Vagrantfile
@@ -3,15 +3,16 @@
 
 $script = <<SCRIPT
 echo "cd /vagrant" >> /home/vagrant/.bashrc
-echo ":set number"        >> /home/vagrant/.vimrc
-echo ":colorscheme delek" >> /home/vagrant/.vimrc
+echo ":set number" >> /home/vagrant/.vimrc
+echo ":set nowrap" >> /home/vagrant/.vimrc
+echo ":colorscheme industry" >> /home/vagrant/.vimrc
 SCRIPT
 
 Vagrant.configure(2) do |config|
-  config.vm.define "container-networking" do |s1|
+  config.vm.define "2-single-node" do |s1|
       s1.vm.box = "ubuntu/xenial64"
       s1.vm.network :private_network, ip: "10.0.0.10", virtualbox__intnet: "network2"
-      s1.vm.hostname = "container-networking"
+      s1.vm.hostname = "2-single-node"
       s1.vm.provision "shell", inline: $script
   end
   config.vm.box_check_update = false
diff --git a/3-multi-node/Makefile b/3-multi-node/Makefile
index 96009c9..60b5894 100644
--- a/3-multi-node/Makefile
+++ b/3-multi-node/Makefile
@@ -2,25 +2,25 @@ all: setup test teardown
 
 setup:
 	rm -rf setup-1.complete setup-2.complete
-	vagrant ssh container-networking-1 -c 'cd /vagrant ; ./setup.sh > setup-1.log ; touch setup-1.complete' &
-	vagrant ssh container-networking-2 -c 'cd /vagrant ; ./setup.sh > setup-2.log ; touch setup-2.complete' &
+	vagrant ssh 3-multi-node-1 -c 'cd /vagrant ; ./setup.sh > setup-1.log ; touch setup-1.complete' &
+	vagrant ssh 3-multi-node-2 -c 'cd /vagrant ; ./setup.sh > setup-2.log ; touch setup-2.complete' &
 	until [ -f setup-1.complete ] && [ -f setup-2.complete ]; do sleep 1; done
 
 test:
-	vagrant ssh container-networking-2 -c 'cd /vagrant ; ./test.sh'
-	vagrant ssh container-networking-1 -c 'cd /vagrant ; ./test.sh'
+	vagrant ssh 3-multi-node-2 -c 'cd /vagrant ; ./test.sh'
+	vagrant ssh 3-multi-node-1 -c 'cd /vagrant ; ./test.sh'
 
 teardown:
 	rm -rf teardown-1.complete teardown-2.complete
-	-vagrant ssh container-networking-1 -c 'cd /vagrant ; ./teardown.sh > teardown-1.log ; touch teardown-1.complete' &
-	-vagrant ssh container-networking-2 -c 'cd /vagrant ; ./teardown.sh > teardown-2.log ; touch teardown-2.complete' &
+	-vagrant ssh 3-multi-node-1 -c 'cd /vagrant ; ./teardown.sh > teardown-1.log ; touch teardown-1.complete' &
+	-vagrant ssh 3-multi-node-2 -c 'cd /vagrant ; ./teardown.sh > teardown-2.log ; touch teardown-2.complete' &
 	until [ -f teardown-1.complete ] && [ -f teardown-2.complete ]; do sleep 1; done
 
 clean:
 	rm -rf *.log *.complete
 
 ssh1:
-	vagrant ssh container-networking-1
+	vagrant ssh 3-multi-node-1
 
 ssh2:
-	vagrant ssh container-networking-2
+	vagrant ssh 3-multi-node-2
diff --git a/3-multi-node/README.md b/3-multi-node/README.md
index b2b89cf..dd9ecd0 100644
--- a/3-multi-node/README.md
+++ b/3-multi-node/README.md
@@ -6,7 +6,7 @@ containers are connected via static routing rules set on each of the nodes.
 
 ![Diagram](./diagram.jpg)
 
-Create the 2 VMs (container-networking-1 and container-networking-2):
+Create the 2 VMs (3-multi-node-1 and 3-multi-node-2):
 
 ```
 vagrant up
@@ -15,7 +15,7 @@ vagrant up
 SSH to each node (VM) in turn, and run the setup script to create the network namespaces connected via a bridge: 
 
 ```
-vagrant ssh container-networking-[12]
+vagrant ssh 3-multi-node-[12]
 cd /vagrant
 ./setup.sh
 ```
diff --git a/3-multi-node/Vagrantfile b/3-multi-node/Vagrantfile
index 9296353..b2a4763 100755
--- a/3-multi-node/Vagrantfile
+++ b/3-multi-node/Vagrantfile
@@ -3,21 +3,22 @@
 
 $script = <<SCRIPT
 echo "cd /vagrant" >> /home/vagrant/.bashrc
-echo ":set number"        >> /home/vagrant/.vimrc
-echo ":colorscheme delek" >> /home/vagrant/.vimrc
+echo ":set number" >> /home/vagrant/.vimrc
+echo ":set nowrap" >> /home/vagrant/.vimrc
+echo ":colorscheme industry" >> /home/vagrant/.vimrc
 SCRIPT
 
 Vagrant.configure(2) do |config|
-  config.vm.define "container-networking-1" do |s1|
+  config.vm.define "3-multi-node-1" do |s1|
       s1.vm.box = "ubuntu/xenial64"
       s1.vm.network :private_network, ip: "10.0.0.10", virtualbox__intnet: "network3"
-      s1.vm.hostname = "container-networking-1"
+      s1.vm.hostname = "3-multi-node-1"
       s1.vm.provision "shell", inline: $script
   end
-  config.vm.define "container-networking-2" do |s2|
+  config.vm.define "3-multi-node-2" do |s2|
       s2.vm.box = "ubuntu/xenial64"
       s2.vm.network :private_network, ip: "10.0.0.20", virtualbox__intnet: "network3"
-      s2.vm.hostname = "container-networking-2"
+      s2.vm.hostname = "3-multi-node-2"
       s2.vm.provision "shell", inline: $script
   end
   config.vm.box_check_update = false
diff --git a/3-multi-node/env.sh b/3-multi-node/env.sh
index be2e981..ccb3c29 100644
--- a/3-multi-node/env.sh
+++ b/3-multi-node/env.sh
@@ -1,6 +1,6 @@
 CON1="con1"
 CON2="con2"
-if [ $(hostname) == "container-networking-1" ]; then 
+if [ $(hostname) == "3-multi-node-1" ]; then 
     NODE_IP="10.0.0.10"
     BRIDGE_SUBNET="172.16.0.0/24"
     BRIDGE_IP="172.16.0.1"
diff --git a/4-overlay-network/Makefile b/4-overlay-network/Makefile
index 7f5ff48..5699937 100644
--- a/4-overlay-network/Makefile
+++ b/4-overlay-network/Makefile
@@ -2,25 +2,25 @@ all: setup test teardown
 
 setup:
 	rm -rf setup-1.complete setup-2.complete
-	vagrant ssh container-networking-1 -c 'cd /vagrant ; ./setup.sh > setup-1.log ; touch setup-1.complete' &
-	vagrant ssh container-networking-2 -c 'cd /vagrant ; ./setup.sh > setup-2.log ; touch setup-2.complete' &
+	vagrant ssh 4-overlay-network-1 -c 'cd /vagrant ; ./setup.sh > setup-1.log ; touch setup-1.complete' &
+	vagrant ssh 4-overlay-network-2 -c 'cd /vagrant ; ./setup.sh > setup-2.log ; touch setup-2.complete' &
 	until [ -f setup-1.complete ] && [ -f setup-2.complete ]; do sleep 1; done
 
 test:
-	vagrant ssh container-networking-1 -c 'cd /vagrant ; ./test.sh'
-	vagrant ssh container-networking-2 -c 'cd /vagrant ; ./test.sh'
+	vagrant ssh 4-overlay-network-1 -c 'cd /vagrant ; ./test.sh'
+	vagrant ssh 4-overlay-network-2 -c 'cd /vagrant ; ./test.sh'
 
 teardown:
 	rm -rf teardown-1.complete teardown-2.complete
-	-vagrant ssh container-networking-1 -c 'cd /vagrant ; ./teardown.sh > teardown-1.log ; touch teardown-1.complete' &
-	-vagrant ssh container-networking-2 -c 'cd /vagrant ; ./teardown.sh > teardown-2.log ; touch teardown-2.complete' &
+	-vagrant ssh 4-overlay-network-1 -c 'cd /vagrant ; ./teardown.sh > teardown-1.log ; touch teardown-1.complete' &
+	-vagrant ssh 4-overlay-network-2 -c 'cd /vagrant ; ./teardown.sh > teardown-2.log ; touch teardown-2.complete' &
 	until [ -f teardown-1.complete ] && [ -f teardown-2.complete ]; do sleep 1; done
 
 clean:
 	rm -rf *.log *.complete
 
 ssh1:
-	vagrant ssh container-networking-1
+	vagrant ssh 4-overlay-network-1
 
 ssh2:
-	vagrant ssh container-networking-2
+	vagrant ssh 4-overlay-network-2
diff --git a/4-overlay-network/Vagrantfile b/4-overlay-network/Vagrantfile
index 9dda5b0..f5a5586 100755
--- a/4-overlay-network/Vagrantfile
+++ b/4-overlay-network/Vagrantfile
@@ -3,8 +3,9 @@
 
 $script = <<SCRIPT
 echo "cd /vagrant" >> /home/vagrant/.bashrc
-echo ":set number"        >> /home/vagrant/.vimrc
-echo ":colorscheme delek" >> /home/vagrant/.vimrc
+echo ":set number" >> /home/vagrant/.vimrc
+echo ":set nowrap" >> /home/vagrant/.vimrc
+echo ":colorscheme industry" >> /home/vagrant/.vimrc
 export DEBIAN_FRONTEND=noninteractive
 dpkg -i --force-all /vagrant/pkg/socat_1.7.3.1-1_amd64.deb
 dpkg -i --force-all /vagrant/pkg/geoip-database-extra_20160408-1_all.deb
@@ -28,16 +29,16 @@ dpkg -i --force-all /vagrant/pkg/tshark_2.2.6+g32dac6a-2ubuntu0.16.04_amd64.deb
 SCRIPT
 
 Vagrant.configure(2) do |config|
-  config.vm.define "container-networking-1" do |s1|
+  config.vm.define "4-overlay-network-1" do |s1|
       s1.vm.box = "ubuntu/xenial64"
       s1.vm.network :private_network, ip: "10.0.0.10", virtualbox__intnet: "network4"
-      s1.vm.hostname = "container-networking-1"
+      s1.vm.hostname = "4-overlay-network-1"
       s1.vm.provision "shell", inline: $script
   end
-  config.vm.define "container-networking-2" do |s2|
+  config.vm.define "4-overlay-network-2" do |s2|
       s2.vm.box = "ubuntu/xenial64"
       s2.vm.network :private_network, ip: "10.0.0.20", virtualbox__intnet: "network4"
-      s2.vm.hostname = "container-networking-2"
+      s2.vm.hostname = "4-overlay-network-2"
       s2.vm.provision "shell", inline: $script
   end
   config.vm.box_check_update = false
diff --git a/4-overlay-network/env.sh b/4-overlay-network/env.sh
index 6d132dd..7a735de 100644
--- a/4-overlay-network/env.sh
+++ b/4-overlay-network/env.sh
@@ -1,6 +1,6 @@
 CON1="con1"
 CON2="con2"
-if [ $(hostname) == "container-networking-1" ]; then 
+if [ $(hostname) == "4-overlay-network-1" ]; then 
     NODE_IP="10.0.0.10"
     TUNNEL_IP="172.16.0.100"
     BRIDGE_IP="172.16.0.1"
diff --git a/slides/201810-voxxeddays/slides.key b/slides/201810-voxxeddays/slides.key
index b651377..8924424 100644
Binary files a/slides/201810-voxxeddays/slides.key and b/slides/201810-voxxeddays/slides.key differ
diff --git a/slides/201810-voxxeddays/slides.pdf b/slides/201810-voxxeddays/slides.pdf
index a8d0c07..5613b6f 100644
Binary files a/slides/201810-voxxeddays/slides.pdf and b/slides/201810-voxxeddays/slides.pdf differ