diff --git a/archive.sh b/archive.sh
index e2ba41b..2571ff8 100644
--- a/archive.sh
+++ b/archive.sh
@@ -15,3 +15,4 @@ for VERSION in `echo ${VERSIONS}`; do
     fi
     find . -maxdepth 1 -type d -name MISP_v${VERSION}\* -exec rm -rv {} \;
 done
+
diff --git a/build_vbox.sh b/build_vbox.sh
index c0725d7..01fa9a0 100755
--- a/build_vbox.sh
+++ b/build_vbox.sh
@@ -13,58 +13,22 @@ fi
 SHA_SUMS="1 256 384 512"
 
 checkInstaller () {
-if [[ "${FLAVOUR}" == "rhel" ]] || [[ "${FLAVOUR}" == "centos" ]] || [[ "${FLAVOUR}" == "fedora" ]]; then
-  INSTsum=$(sha512sum ${0} | cut -f1 -d\ )
-  /usr/bin/wget --no-cache -q -O /tmp/INSTALL.sh.sha512 https://raw.githubusercontent.com/MISP/MISP/2.4/INSTALL/INSTALL.sh.sha512
-        chsum=$(cat /tmp/INSTALL.sh.sha512)
-  if [[ "${chsum}" == "${INSTsum}" ]]; then
-    echo "SHA512 matches"
-  else
-    echo "SHA512: ${chsum} does not match the installer sum of: ${INSTsum}"
-    # exit 1 # uncomment when/if PR is merged
-  fi
-  else
-    # TODO: Implement $FLAVOUR checks and install depending on the platform we are on
-    if [[ $(which shasum > /dev/null 2>&1 ; echo $?) -ne 0 ]]; then
-      checkAptLock
-      sudo apt install libdigest-sha-perl -qyy
+  for sum in $(echo ${SHA_SUMS}); do
+    /usr/bin/wget -q -O scripts/INSTALL.sh.sha${sum} https://raw.githubusercontent.com/MISP/MISP/2.4/INSTALL/INSTALL.sh.sha${sum}
+    INSTsum=$(shasum -a ${sum} scripts/INSTALL.sh | cut -f1 -d\ )
+    chsum=$(cat scripts/INSTALL.sh.sha${sum} | cut -f1 -d\ )
+
+    if [[ "$chsum" == "$INSTsum" ]]; then
+      echo "sha${sum} matches"
+    else
+      echo "sha${sum}: ${chsum} does not match the installer sum of: ${INSTsum}"
+      echo "Deleting installer, please run again."
+      rm scripts/INSTALL.sh
+      exit 1
     fi
-    # SHAsums to be computed, not the -- notatiation is for ease of use with rhash
-    SHA_SUMS="--sha1 --sha256 --sha384 --sha512"
-    for sum in $(echo ${SHA_SUMS} |sed 's/--sha//g'); do
-      /usr/bin/wget --no-cache -q -O /tmp/INSTALL.sh.sha${sum} https://raw.githubusercontent.com/MISP/MISP/2.4/INSTALL/INSTALL.sh.sha${sum}
-      INSTsum=$(shasum -a ${sum} ${0} | cut -f1 -d\ )
-      chsum=$(cat /tmp/INSTALL.sh.sha${sum} | cut -f1 -d\ )
-
-      if [[ "${chsum}" == "${INSTsum}" ]]; then
-        echo "sha${sum} matches"
-      else
-        echo "sha${sum}: ${chsum} does not match the installer sum of: ${INSTsum}"
-        echo "Delete installer, re-download and please run again."
-        exit 1
-      fi
-    done
-fi
+  done
 }
 
-
-#checkInstaller () {
-#  for sum in $(echo ${SHA_SUMS}); do
-#    /usr/bin/wget -q -O scripts/INSTALL.sh.sha${sum} https://raw.githubusercontent.com/MISP/MISP/2.4/INSTALL/INSTALL.sh.sha${sum}
-#    INSTsum=$(shasum -a ${sum} scripts/INSTALL.sh | cut -f1 -d\ )
-#    chsum=$(cat scripts/INSTALL.sh.sha${sum} | cut -f1 -d\ )
-
-#    if [[ "$chsum" == "$INSTsum" ]]; then
-#      echo "sha${sum} matches"
-#    else
-#      echo "sha${sum}: ${chsum} does not match the installer sum of: ${INSTsum}"
-#      echo "Deleting installer, please run again."
-#      rm scripts/INSTALL.sh
-#      exit 1
-#    fi
-#  done
-#}
-
 # Fetch and check installer
 if [[ -f "scripts/INSTALL.sh" ]]; then
   echo "Checking checksums"
diff --git a/config.sh b/config.sh
index 7512f56..0bc8b4f 100644
--- a/config.sh
+++ b/config.sh
@@ -39,6 +39,8 @@ PATH_TO_INSTALLER="scripts/${NAME_OF_INSTALLER}"
 URL_TO_INSTALLER="https://raw.githubusercontent.com/${REPO}/${BRANCH}/INSTALL/${NAME_OF_INSTALLER}"
 URL_TO_LICENSE="https://raw.githubusercontent.com/${REPO}/${BRANCH}/LICENSE"
 
+UBUNTU_VERSION="20.04"  # Update to Ubuntu 20.04
+
 if [[ ! -z $DEBUG ]]; then
   echo "Debug mode enabled."
   echo "-------------------"
diff --git a/misp.json b/misp.json
index 197fc82..d731455 100644
--- a/misp.json
+++ b/misp.json
@@ -248,7 +248,7 @@
     "iso_checksum_type": "sha512",
     "iso_name": "ubuntu-20.04.6-server-amd64.iso",
     "iso_path": "iso",
-    "iso_url": "http://cdimage.ubuntu.com/ubuntu/releases/bionic/release/ubuntu-20.04.6-server-amd64.iso",
+    "iso_url": "http://cdimage.ubuntu.com/ubuntu/releases/focal/release/ubuntu-20.04.6-server-amd64.iso",
     "memory": "3072",
     "no_proxy": "{{env `no_proxy`}}",
     "ovftool_path": "ovftool",
diff --git a/preseeds/preseed.cfg b/preseeds/preseed.cfg
index 047c32c..a035324 100644
--- a/preseeds/preseed.cfg
+++ b/preseeds/preseed.cfg
@@ -70,3 +70,4 @@ d-i pkgsel/upgrade select safe-upgrade
 d-i grub-installer/only_debian boolean true
 
 d-i finish-install/reboot_in_progress note
+
diff --git a/scripts/users.sh b/scripts/users.sh
index 5aa3d29..5fec9ed 100644
--- a/scripts/users.sh
+++ b/scripts/users.sh
@@ -4,12 +4,22 @@
 ##useradd -U -G sudo -m -s /bin/bash  thehive
 ##echo -e "thehive1234\nthehive1234" | passwd  thehive
 
-echo "--- Configuring sudo "
+#echo "--- Configuring sudo "
 ##echo %thehive ALL=NOPASSWD:ALL > /etc/sudoers.d/thehive
-echo "%misp ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers.d/misp
+#echo "%misp ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers.d/misp
 ##chmod 0440 /etc/sudoers.d/thehive
-chmod 0440 /etc/sudoers.d/misp
+#chmod 0440 /etc/sudoers.d/misp
 
 # Disable fancy progressbar
-echo 'Dpkg::Progress-Fancy "0";' > /etc/apt/apt.conf.d/99progressbar
-echo 'Dpkg::Use-Pty "0";' >> /etc/apt/apt.conf.d/99progressbar
+#echo 'Dpkg::Progress-Fancy "0";' > /etc/apt/apt.conf.d/99progressbar
+#echo 'Dpkg::Use-Pty "0";' >> /etc/apt/apt.conf.d/99progressbar
+
+
+
+
+echo "--- Configuring sudo"
+echo "misp ALL=(ALL:ALL) NOPASSWD:ALL" > /etc/sudoers.d/misp
+chmod 0440 /etc/sudoers.d/misp
+
+echo 'APT::ProgressBar::Fancy "0";' > /etc/apt/apt.conf.d/99progressbar
+echo 'APT::Use-Pty "0";' >> /etc/apt/apt.conf.d/99progressbar