diff --git a/README.md b/README.md
index 0fa753904..3d2c81abb 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ build tools</h3>
 ## How to build an image or a kernel?
 
 ```text
-apt -y install git
+apt-get -y install git
 git clone https://github.com/armbian/build
 cd build
 ./compile.sh
diff --git a/compile.sh b/compile.sh
index 7f49dbd19..718ca75f2 100755
--- a/compile.sh
+++ b/compile.sh
@@ -86,15 +86,15 @@ rm $TMPFILE
 
 # Check for required packages for compiling
 if [[ -z "$(which dialog)" ]]; then
-	sudo apt update
-	sudo apt install -y dialog
+	sudo apt-get update
+	sudo apt-get install -y dialog
 fi
 
 # Check for Vagrant
 if [[ "$1" == vagrant && -z "$(which vagrant)" ]]; then
 	display_alert "Vagrant not installed." "Installing"
-	sudo apt update
-	sudo apt install -y vagrant virtualbox
+	sudo apt-get update
+	sudo apt-get install -y vagrant virtualbox
 fi
 
 if [[ "$1" == dockerpurge && -f /etc/debian_version ]]; then
@@ -129,12 +129,12 @@ if [[ "$1" == docker && -f /etc/debian_version && -z "$(which docker)" ]]; then
 	do
 	[[ ! $(which $i) ]] && install_packages+=$i" "
 	done
-	[[ -z $install_packages ]] && apt update;apt install -y -qq --no-install-recommends $install_packages
+	[[ -z $install_packages ]] && apt-get update;apt-get install -y -qq --no-install-recommends $install_packages
 
 	curl -fsSL "https://download.docker.com/linux/${codeid}/gpg" | apt-key add -qq - > /dev/null 2>&1
 	export DEBIAN_FRONTEND=noninteractive
-	apt update
-	apt install -y -qq --no-install-recommends docker-ce
+	apt-get update
+	apt-get install -y -qq --no-install-recommends docker-ce
 	display_alert "Add yourself to docker group to avoid root privileges" "" "wrn"
 	"$SRC/compile.sh" "$@"
 	exit $?
diff --git a/lib/chroot-buildpackages.sh b/lib/chroot-buildpackages.sh
index cb1e4848c..c76c8dea7 100644
--- a/lib/chroot-buildpackages.sh
+++ b/lib/chroot-buildpackages.sh
@@ -157,7 +157,7 @@ chroot_build_packages()
 			local t=$target_dir/root/.update-timestamp
 			if [[ ! -f $t || $(( ($(date +%s) - $(<$t)) / 86400 )) -gt 7 ]]; then
 				display_alert "Upgrading packages" "$release/$arch" "info"
-				systemd-nspawn -a -q -D $target_dir /bin/bash -c "apt -q update; apt -q -y upgrade; apt clean"
+				systemd-nspawn -a -q -D $target_dir /bin/bash -c "apt-get -q update; apt-get -q -y upgrade; apt-get clean"
 				date +%s > $t
 			fi
 
@@ -220,8 +220,8 @@ chroot_build_packages()
 					for packet in $package_builddeps; do grep -q -x -e "\$packet" <<< "\$installed" || deps+=("\$packet"); done
 					if [[ \${#deps[@]} -gt 0 ]]; then
 						display_alert "Installing build dependencies"
-						apt -y -q update
-						apt -y -q --no-install-recommends --show-progress -o DPKG::Progress-Fancy=1 install "\${deps[@]}"
+						apt-get -y -q update
+						apt-get -y -q --no-install-recommends --show-progress -o DPKG::Progress-Fancy=1 install "\${deps[@]}"
 					fi
 				fi
 				display_alert "Copying sources"
@@ -334,17 +334,17 @@ chroot_installpackages()
 	cat <<-EOF > "${SDCARD}"/tmp/install.sh
 	#!/bin/bash
 	[[ "$remote_only" != yes ]] && apt-key add /tmp/buildpkg.key
-	apt $apt_extra -q update
+	apt-get $apt_extra -q update
 	# uncomment to debug
 	# /bin/bash
 	# TODO: check if package exists in case new config was added
 	#if [[ -n "$remote_only" == yes ]]; then
 	#	for p in $install_list; do
 	#		if grep -qE "apt.armbian.com|localhost" <(apt-cache madison \$p); then
-	#		if apt -s -qq install \$p; then
+	#		if apt-get -s -qq install \$p; then
 	#fi
-	apt -q $apt_extra --show-progress -o DPKG::Progress-Fancy=1 install -y $install_list
-	apt clean
+	apt-get -q $apt_extra --show-progress -o DPKG::Progress-Fancy=1 install -y $install_list
+	apt-get clean
 	[[ "$remote_only" != yes ]] && apt-key del "925644A6"
 	rm /etc/apt/sources.list.d/armbian-temp.list 2>/dev/null
 	rm /etc/apt/preferences.d/90-armbian-temp.pref 2>/dev/null
diff --git a/lib/debootstrap.sh b/lib/debootstrap.sh
index 82102ff68..461ce5d83 100644
--- a/lib/debootstrap.sh
+++ b/lib/debootstrap.sh
@@ -141,7 +141,7 @@ create_rootfs_cache()
 
 		# stage: debootstrap base system
 		if [[ $NO_APT_CACHER != yes ]]; then
-			# apt-cacher-ng apt proxy parameter
+			# apt-cacher-ng apt-get proxy parameter
 			local apt_extra="-o Acquire::http::Proxy=\"http://${APT_PROXY_ADDR:-localhost:3142}\""
 			local apt_mirror="http://${APT_PROXY_ADDR:-localhost:3142}/$APT_MIRROR"
 		else
@@ -200,7 +200,7 @@ create_rootfs_cache()
 			eval 'LC_ALL=C LANG=C chroot $SDCARD /bin/bash -c "setupcon --save"'
 		fi
 
-		# stage: create apt sources list
+		# stage: create apt-get sources list
 		create_sources_list "$RELEASE" "$SDCARD/"
 
 		# add armhf arhitecture to arm64
diff --git a/lib/general.sh b/lib/general.sh
index f44cb7388..799e24e65 100644
--- a/lib/general.sh
+++ b/lib/general.sh
@@ -759,13 +759,13 @@ prepare_host_basic()
 	# need lsb_release to decide what to install
 	if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' lsb-release 2>/dev/null) != *ii* ]]; then
 		display_alert "Installing package" "lsb-release"
-		apt -q update && apt install -q -y --no-install-recommends lsb-release
+		apt-get -q update && apt-get install -q -y --no-install-recommends lsb-release
 	fi
 
 	# need to install dialog if person is starting with a interactive mode
 	if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' dialog 2>/dev/null) != *ii* ]]; then
 		display_alert "Installing package" "dialog"
-		apt -q update && apt install -q -y --no-install-recommends dialog
+		apt-get -q update && apt-get install -q -y --no-install-recommends dialog
 	fi
 
 }
@@ -837,7 +837,7 @@ prepare_host()
 		exit_with_error "Windows subsystem for Linux is not a supported build environment"
 	fi
 
-	if [[ -z $codename || "focal" == "$codename" || "eoan" == "$codename" ]]; then
+	if [[ -z $codename || "focal" == "$codename" || "eoan" == "$codename"  || "debbie" == "$codename"  || "buster" == "$codename" ]]; then
 	    hostdeps="${hostdeps/lib32ncurses5 lib32tinfo5/lib32ncurses6 lib32tinfo6}"
 	fi
 
@@ -886,9 +886,9 @@ prepare_host()
 
 	if [[ ${#deps[@]} -gt 0 ]]; then
 		display_alert "Installing build dependencies"
-		apt -q update
-		apt -y upgrade
-		apt -q -y --no-install-recommends install -o Dpkg::Options::='--force-confold' "${deps[@]}" | tee -a $DEST/debug/hostdeps.log
+		apt-get -q update
+		apt-get -y upgrade
+		apt-get -q -y --no-install-recommends install -o Dpkg::Options::='--force-confold' "${deps[@]}" | tee -a $DEST/debug/hostdeps.log
 		update-ccache-symlinks
 	fi
 
@@ -899,7 +899,7 @@ prepare_host()
 	fi
 
 	if [[ $(dpkg-query -W -f='${db:Status-Abbrev}\n' 'zlib1g:i386' 2>/dev/null) != *ii* ]]; then
-		apt install -qq -y --no-install-recommends zlib1g:i386 >/dev/null 2>&1
+		apt-get install -qq -y --no-install-recommends zlib1g:i386 >/dev/null 2>&1
 	fi
 
 	# enable arm binary format so that the cross-architecture chroot environment will work