From 1c40a3c4312351aae874ebb914f5f7a880943252 Mon Sep 17 00:00:00 2001
From: Gustavo Trott <gustavo@trott.com.br>
Date: Wed, 14 Dec 2022 08:21:35 -0300
Subject: [PATCH 1/3] Fix error on checking last line of ~/.ssh/config

---
 create_bbb.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/create_bbb.sh b/create_bbb.sh
index db2d05f..34c77bf 100755
--- a/create_bbb.sh
+++ b/create_bbb.sh
@@ -258,7 +258,7 @@ ssh-keyscan -H "$DOCKERIP" >> ~/.ssh/known_hosts
 ssh-keyscan -H "$HOSTNAME" >> ~/.ssh/known_hosts
 # ssh-keyscan -H [hostname],[ip_address] >> ~/.ssh/known_hosts
 
-if [ ! -z $(tail -1 ~/.ssh/config) ] ; then
+if [ ! -z "$(tail -1 ~/.ssh/config)" ] ; then
   echo "" >> ~/.ssh/config
 fi
 

From dd9b521a067160f621c6adf678d9800b4f7e5468 Mon Sep 17 00:00:00 2001
From: Gustavo Trott <gustavo@trott.com.br>
Date: Wed, 14 Dec 2022 17:32:03 -0300
Subject: [PATCH 2/3] Add validation of Docker version

---
 create_bbb.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/create_bbb.sh b/create_bbb.sh
index 34c77bf..cd4b7de 100755
--- a/create_bbb.sh
+++ b/create_bbb.sh
@@ -1,4 +1,19 @@
 #!/bin/bash
+
+if ! command -v docker &> /dev/null
+then
+    echo "Docker not found! Required Docker 20 or greater"
+    exit
+fi
+
+DOCKER_VERSION=$(docker version -f "{{.Server.Version}}")
+DOCKER_VERSION_MAJOR=$(echo "$DOCKER_VERSION"| cut -d'.' -f 1)
+
+if [ ! "${DOCKER_VERSION_MAJOR}" -ge 20 ] ; then
+    echo "Invalid Docker version! Required Docker 20 or greater"
+    exit
+fi
+
 NAME=
 DOMAIN=test
 IP=172.17.0.2

From a5c098fa472fdd9385d89e96e16b37d9e5aa3e46 Mon Sep 17 00:00:00 2001
From: Gustavo Trott <gustavo@trott.com.br>
Date: Wed, 14 Dec 2022 17:32:20 -0300
Subject: [PATCH 3/3] Add instructions to run on Ubuntu 22

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 0135715..24bc401 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,8 @@ sudo usermod -aG docker `whoami`
 sudo reboot
 ```
 
+- **For Ubuntu 22.04 users:** In our tests, `containerd` had to be downgraded to version 1.6.6 in order to have all features working properly. `sudo apt install containerd.io=1.6.6-1`.
+
 ## Container setup
 
 1. Save (right click, save as) the creation script in home directory (`~`): [create_bbb.sh](create_bbb.sh?raw=1)