diff --git a/Dockerfile.agnos b/Dockerfile.agnos
index 33d40f2..15707ac 100644
--- a/Dockerfile.agnos
+++ b/Dockerfile.agnos
@@ -4,19 +4,13 @@
 FROM scratch AS agnos-base
 ADD ubuntu-base-24.04-base-arm64.tar.gz /
 
-# Add aarch64 and arm support
-COPY --from=multiarch/qemu-user-static:x86_64-aarch64 /usr/bin/qemu-aarch64-static /usr/bin
-COPY --from=multiarch/qemu-user-static:x86_64-arm /usr/bin/qemu-arm-static /usr/bin
-
 # Build folder
 RUN mkdir -p /tmp/agnos
 
 # Stop on error
 RUN set -xe
 
-ENV USERNAME=comma
-ENV PASSWD=comma
-ENV HOST=comma
+ARG USERNAME=comma
 
 # Base system setup
 RUN echo "resolvconf resolvconf/linkify-resolvconf boolean false" | debconf-set-selections
@@ -41,7 +35,7 @@ RUN apt-get -o Dpkg::Options::="--force-overwrite" install -yq \
 # ################## #
 FROM agnos-base AS agnos-compiler
 
-RUN apt-get update && apt-get install --no-install-recommends checkinstall
+RUN apt-fast update && apt-fast install --no-install-recommends -yq checkinstall
 
 # Individual compiling images
 FROM agnos-compiler AS agnos-compiler-capnp
diff --git a/build_system.sh b/build_system.sh
index 3f86e66..0f02db7 100755
--- a/build_system.sh
+++ b/build_system.sh
@@ -36,10 +36,10 @@ if [ ! -f $UBUNTU_FILE ]; then
   curl -C - -o $UBUNTU_FILE $UBUNTU_BASE_URL/$UBUNTU_FILE --silent --remote-time
 fi
 
-# Register qemu multiarch
+# Setup qemu multiarch
 if [ "$ARCH" = "x86_64" ]; then
   echo "Registering qemu-user-static"
-  docker run --rm --privileged multiarch/qemu-user-static:register --reset > /dev/null
+  docker run --rm --privileged multiarch/qemu-user-static --reset -p yes > /dev/null
 fi
 
 # Start agnos-builder docker build and create container
diff --git a/userspace/base_setup.sh b/userspace/base_setup.sh
index 318b03d..a040022 100755
--- a/userspace/base_setup.sh
+++ b/userspace/base_setup.sh
@@ -11,10 +11,14 @@ touch /AGNOS
 # Add armhf as supported architecture
 dpkg --add-architecture armhf
 
+# Install apt-fast
+apt-get update
+apt-get install -yq curl sudo wget
+bash -c "$(curl -sL https://git.io/vokNn)"
+
 # Install packages
 export DEBIAN_FRONTEND=noninteractive
-apt-get update
-apt-get install -yq locales systemd adduser
+apt-fast install --no-install-recommends -yq locales systemd adduser
 
 # Create privileged user
 useradd -G sudo -m -s /bin/bash $USERNAME
@@ -46,8 +50,8 @@ echo "comma - nice -10" >> /etc/security/limits.conf
 locale-gen en_US.UTF-8
 update-locale LANG=en_US.UTF-8
 
-apt-get upgrade -yq
-apt-get install --no-install-recommends -yq \
+apt-fast upgrade -yq
+apt-fast install --no-install-recommends -yq \
     alsa-utils \
     apport-retrace \
     bc \
@@ -121,8 +125,8 @@ echo "comma ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
 ln -sf /bin/bash /bin/sh
 
 # Install necessary libs
-apt-get update -yq
-apt-get install --no-install-recommends -yq \
+apt-fast update -yq
+apt-fast install --no-install-recommends -yq \
     libacl1:armhf \
     libasan6-armhf-cross \
     libatomic1-armhf-cross \
diff --git a/userspace/compile-modemmanager.sh b/userspace/compile-modemmanager.sh
index 6080fc6..1cd8587 100755
--- a/userspace/compile-modemmanager.sh
+++ b/userspace/compile-modemmanager.sh
@@ -7,15 +7,15 @@ PROVIDER_INFO_VERSION="20230416"
 
 cd /tmp
 
-apt update
-apt install -y --no-install-recommends automake autoconf build-essential cmake
+apt-fast update
+apt-fast install -y --no-install-recommends automake autoconf build-essential cmake
 
 # TODO: clean up these build time dependencies
-apt install -y --no-install-recommends python3 python3-pip python3-setuptools python3-wheel ninja-build meson
+apt-fast install -y --no-install-recommends python3 python3-pip python3-setuptools python3-wheel ninja-build meson
 export PATH=$PATH:/root/.local/bin
 
 # build mobile-broadband-provider-info
-apt install -y --no-install-recommends xsltproc
+apt-fast install -y --no-install-recommends xsltproc
 git clone -b $PROVIDER_INFO_VERSION --depth 1 https://gitlab.gnome.org/GNOME/mobile-broadband-provider-info.git
 cd mobile-broadband-provider-info
 ./autogen.sh
@@ -24,7 +24,7 @@ make install
 
 # build libqmi
 cd /tmp
-apt install -y --no-install-recommends libgudev-1.0-dev gobject-introspection libgirepository1.0-dev help2man bash-completion python-is-python3
+apt-fast install -y --no-install-recommends libgudev-1.0-dev gobject-introspection libgirepository1.0-dev help2man bash-completion python-is-python3
 
 git clone -b $LIBQMI_VERSION --depth 1 https://gitlab.freedesktop.org/mobile-broadband/libqmi.git
 cd libqmi
diff --git a/userspace/install_extras.sh b/userspace/install_extras.sh
index ea5a87f..272af83 100755
--- a/userspace/install_extras.sh
+++ b/userspace/install_extras.sh
@@ -2,7 +2,7 @@
 
 # for all the non-essential nice to haves
 
-apt-get update && apt-get install -y --no-install-recommends \
+apt-fast update && apt-fast install -y --no-install-recommends \
   irqtop \
   ripgrep \
   nfs-common
diff --git a/userspace/openpilot_dependencies.sh b/userspace/openpilot_dependencies.sh
index 9c418dd..1d00610 100755
--- a/userspace/openpilot_dependencies.sh
+++ b/userspace/openpilot_dependencies.sh
@@ -3,8 +3,8 @@
 echo "Installing openpilot dependencies"
 
 # Install necessary libs
-apt-get update
-apt-get install --no-install-recommends -yq \
+apt-fast update
+apt-fast install --no-install-recommends -yq \
     autoconf \
     automake \
     build-essential \