Spelling and grammar

Variable names containing "LENGHT" were fixed to read "LENGTH" using an interactive global search/replace.
I did perform testing and concluded that nothing broke as a result.

README.md

 # Armbian configuration utility
 
-Utility for configuring your board, adjusting services and installing applications. It comes with Armbian by default.
+Utility for configuring your board, adjusting services and installing applications.
+It comes with Armbian by default.
 
 Login as root and type:
 
@@ -11,21 +12,21 @@ Login as root and type:
 - **system**
 	- install to SATA, eMMC, NAND or USB
 	- freeze and unfreeze kernel and BSP upgrades
-	- switching between avaliable kernels and nightly builds
+	- switching between available kernels and nightly builds
 	- edit boot environment
 	- reconfigure board settings with DT overlays or FEX (Allwinner legacy)
-	- select dedicated DTB (Solidrun imx6 and Odroid XU4/HC1/HC2 boards)
+	- select dedicated DTB (Solidrun i.MX6 and Odroid XU4/HC1/HC2 boards)
 	- adjust SSH daemon features
 	- 3G/4G LTE modem management
 	- run apt update and upgrade
-	- toogle BASH/ZSH with [Oh My ZSH](https://ohmyz.sh/) and [tmux](https://en.wikipedia.org/wiki/Tmux)
+	- toggle BASH/ZSH with [Oh My ZSH](https://ohmyz.sh/) and [tmux](https://en.wikipedia.org/wiki/Tmux)
 	- toggle desktop and login manager (desktop builds)
 	- adjusting the display resolution (some boards)
 	- enabling read only root filesystem (Ubuntu)
 - **network**
 	- select dynamic or static IP address
 	- hotspot management. Automatic detection of: nl80211, realtek, 802.11n, 802.11a and 802.11ac
-	- iperf3. Toogle bandwidth measuring server
+	- iperf3. Toggle bandwidth measuring server
 	- connect to wireless
 	- install IR support
 	- install support, pair and connect Bluetooth devices
@@ -54,7 +55,7 @@ Login as root and type:
 		- [MiniDLNA](http://minidlna.sourceforge.net/) *(media sharing)*
 	- monitoring tools
 	- create diagnostics report
-	- toggle kernel headers, RDP service, Thunderbird and Libreoffice (desktop builds)
+	- toggle kernel headers, RDP service, Thunderbird and LibreOffice (desktop builds)
 - **help**
 	- Links to documentation, support and sources
 
@@ -81,7 +82,7 @@ Login as root and type:
 |Transmission (torrent server)|:heavy_check_mark:|:heavy_check_mark:|07.03.2019|
 |ISPConfig (WEB, SMTP, POP, IMAP, FTPD, MYSQL server)|:heavy_check_mark:|:heavy_check_mark:|29.09.2018|
 |NCP (Nextcloud personal cloud)|:heavy_check_mark:|n/a|29.09.2018|
-|Openmediavault NAS (NAS server)|:heavy_check_mark:|n/a|29.09.2018|
+|OpenMediaVault NAS (NAS server)|:heavy_check_mark:|n/a|29.09.2018|
 |OpenHAB2 (Smarthome suite)|:heavy_check_mark:|:heavy_check_mark:|07.03.2019|
 |Home Assistant (Smarthome suite within Docker)|:heavy_check_mark:|:heavy_check_mark:|09.03.2019|
 |PI hole (ad blocker)|:heavy_check_mark:|:heavy_check_mark:|09.03.2019|

debian-config

@@ -9,7 +9,7 @@
 
 
 #
-# check for root priveleges
+# check for root privileges
 #
 if [[ $EUID != 0 ]]; then
 	echo "This tool requires root privileges. Try again with \"sudo \" please ..." >&2
@@ -25,7 +25,7 @@ fi
 #
 wget -q --spider http://github.com
 if [[ $? -ne 0 ]]; then
-		read -n 1 -s -p "Warning. Configurator can't work properly without internet connection. \
+		read -n 1 -s -p "Warning: Configuration cannot work properly without a working internet connection. \
 		Press CTRL C to stop to stop or any key to ignore and continue."
 fi
 
@@ -78,22 +78,22 @@ do
 	LIST+=( "Help" "Documentation, support, sources" )
 
 	# count number of menu items to adjust window size
-	LISTLENGHT="$((11+${#LIST[@]}/2))"
-	BOXLENGHT=${#LIST[@]}
+	LISTLENGTH="$((11+${#LIST[@]}/2))"
+	BOXLENGTH=${#LIST[@]}
 	MENUTITLE="Configure $DISTRO $DISTROID "
 	[[ -n "${BOARD_NAME/ /}" ]] && MENUTITLE=$MENUTITLE" based \Z1Armbian\Z0 for the \Z1${BOARD_NAME}\Z0 "
 
 	# main dialog routine
 	DIALOG_CANCEL=1
 	DIALOG_ESC=255
-	TITLELENGHT=${#MENUTITLE}
+	TITLELENGTH=${#MENUTITLE}
 
-	[[ "$TITLELENGHT" -lt 60 ]] && TITLELENGHT="60"
+	[[ "$TITLELENGTH" -lt 60 ]] && TITLELENGTH="60"
 
 	exec 3>&1
 	selection=$(dialog --colors --backtitle "$BACKTITLE" --title " armbian-config " --clear \
 	--cancel-label "Exit" --menu "\n$MENUTITLE \n \nSupport: \Z1https://forum.armbian.com\Z0\n " \
-	$LISTLENGHT ${TITLELENGHT} $BOXLENGHT "${LIST[@]}" 2>&1 1>&3)
+	$LISTLENGTH ${TITLELENGTH} $BOXLENGTH "${LIST[@]}" 2>&1 1>&3)
 	exit_status=$?
 	exec 3>&-
 
@@ -130,4 +130,4 @@ do
 			show_box "Info" "$t" "18"
 		;;
 	esac
-done	
+done

debian-config-functions

@@ -158,7 +158,7 @@ function exceptions ()
 
 
 #
-# check dpkg status of $1 -- currently only 'not installed at all' case catched
+# check dpkg status of $1 -- currently only 'not installed at all' case caught
 #
 check_if_installed (){
 
@@ -206,7 +206,7 @@ stdbuf -i0 -o0 -e0 sed -rn 's/^.*\<([0-9]+)%\[.*$/\1/p' | dialog --backtitle "$B
 
 
 #
-# display qr code for google authemtication method
+# display qr code for authentication method
 #
 function display_qr_code()
 {
@@ -214,9 +214,9 @@ function display_qr_code()
 		SECRET=$(head -1 /root/.google_authenticator)
 		qrencode -d 9 -8 -t UTF8 "otpauth://totp/test?secret=$SECRET"
 		echo -e "\nSetting up your OTP-generator\
-		\nInstall Google Authenticator generator application on your mobile phone from Android market (e.g. FreeOTP) or from F-Droid.\
-		\nIn the applications menu click the corresponding button to create a new account and either scan the QR code, or enter the secret key manually:\
-		\n\n$SECRET \n\nNow you should see a new passcode token being generated every 60 seconds on your phone.\n"  | fold -sw 38
+		\nInstall a one-time password authenticator on your mobile device (e.g. FreeOTP) from the Android market or F-Droid.\
+		\nIn the application menu, click the corresponding button to create a new account and either scan the QR code or enter the secret key manually:\
+		\n\n$SECRET \n\nYou should now see a new passcode token being generated every 60 seconds on your phone.\n"  | fold -sw 38
 		read -n 1 -s -r -p "Press any key to continue"
 }
 
@@ -394,16 +394,16 @@ function other_kernel_version ()
 
 	# copy back to main array
 	LIST=("${new_list[@]}")
-	LIST_LENGHT=$((${#LIST[@]}/2));
+	LIST_LENGTH=$((${#LIST[@]}/2));
 
-	if [ "$LIST_LENGHT" -eq 0 ]; then
+	if [ "$LIST_LENGTH" -eq 0 ]; then
 		dialog --backtitle "$BACKTITLE" --title " Warning " --msgbox  "\nNo other kernels available!" 7 32
         else
 		beta_disclaimer "Switching between kernels might change functionality of your board or it might fail to boot."
 		if [[ -n $ACKNOWLEDGEMENT ]]; then
 			exec 3>&1
             TARGET_VERSION=$(dialog --cancel-label "Cancel" --backtitle "$BACKTITLE" --no-collapse \
-			--title "Switch from" --clear --menu "\n${CURRENT_VERSION} $(uname -r) \n \n" $((9+${LIST_LENGHT})) 62 25 "${LIST[@]}" 2>&1 1>&3)
+			--title "Switch from" --clear --menu "\n${CURRENT_VERSION} $(uname -r) \n \n" $((9+${LIST_LENGTH})) 62 25 "${LIST[@]}" 2>&1 1>&3)
 			exitstatus=$?;
 			exec 3>&-
 			if [[ $exitstatus = 0 ]]; then
@@ -453,13 +453,13 @@ function aval_dtbs ()
 	LIST=("xu4" "Odroid XU4" "xu3" "Odroid XU3" "xu3l" "Odroid XU3 Lite" "hc1" "Odroid HC1/HC2")
 	fi
 
-	LIST_LENGHT=$((${#LIST[@]}/2));
-	if [ "$LIST_LENGHT" -eq 1 ]; then
+	LIST_LENGTH=$((${#LIST[@]}/2));
+	if [ "$LIST_LENGTH" -eq 1 ]; then
 			TARGET_BOARD=${AVAL_KERNEL[0]}
 	else
 			exec 3>&1
 			TARGET_BOARD=$(dialog --cancel-label "Cancel" --backtitle "$BACKTITLE" --no-collapse \
-			--title "Select optimised board configuration" --clear --menu "" $((6+${LIST_LENGHT})) ${width} 25 "${LIST[@]}" 2>&1 1>&3)
+			--title "Select optimised board configuration" --clear --menu "" $((6+${LIST_LENGTH})) ${width} 25 "${LIST[@]}" 2>&1 1>&3)
 			exitstatus=$?;
 			exec 3>&-
 	fi
@@ -483,15 +483,15 @@ function get_a20modes ()
 	do
 			LIST+=( "${i[0]//[[:blank:]]/}" "" )
 	done
-	LIST_LENGHT=$((${#LIST[@]}/2));
-	#echo $LIST_LENGHT
+	LIST_LENGTH=$((${#LIST[@]}/2));
+	#echo $LIST_LENGTH
 	#exit
-	if [ "$LIST_LENGHT" -eq 1 ]; then
+	if [ "$LIST_LENGTH" -eq 1 ]; then
 			SCREEN_RESOLUTION=${SCREEN_RESOLUTION[0]}
 	else
 			exec 3>&1
 			SCREEN_RESOLUTION=$(dialog --nocancel --backtitle "$BACKTITLE" --no-collapse \
-			--title "Select video mode" --clear --menu "" $((6+${LIST_LENGHT})) 25 $((1+${LIST_LENGHT})) "${LIST[@]}" 2>&1 1>&3)
+			--title "Select video mode" --clear --menu "" $((6+${LIST_LENGTH})) 25 $((1+${LIST_LENGTH})) "${LIST[@]}" 2>&1 1>&3)
 			exec 3>&-
 	fi
 
@@ -514,15 +514,15 @@ function get_odroidmodes ()
         do
                         LIST+=( "${i[0]//[[:blank:]]/}" "" )
         done
-        LIST_LENGHT=$((${#LIST[@]}/2));
-        #echo $LIST_LENGHT
+        LIST_LENGTH=$((${#LIST[@]}/2));
+        #echo $LIST_LENGTH
         #exit
-        if [ "$LIST_LENGHT" -eq 1 ]; then
+        if [ "$LIST_LENGTH" -eq 1 ]; then
                         SCREEN_RESOLUTION=${SCREEN_RESOLUTION[0]}
         else
                         exec 3>&1
                         SCREEN_RESOLUTION=$(dialog --nocancel --backtitle "$BACKTITLE" --no-collapse \
-                        --title "Select video mode" --clear --menu "" $((6+${LIST_LENGHT})) 25 $((1+${LIST_LENGHT})) "${LIST[@]}" 2>&1 1>&3)
+                        --title "Select video mode" --clear --menu "" $((6+${LIST_LENGTH})) 25 $((1+${LIST_LENGTH})) "${LIST[@]}" 2>&1 1>&3)
                         exec 3>&-
         fi
 
@@ -545,15 +545,15 @@ function get_h3modes ()
 	do
 			LIST+=( "${i[0]//[[:blank:]]/}" "" )
 	done
-	LIST_LENGHT=$((${#LIST[@]}/2));
-	#echo $LIST_LENGHT
+	LIST_LENGTH=$((${#LIST[@]}/2));
+	#echo $LIST_LENGTH
 	#exit
-	if [ "$LIST_LENGHT" -eq 1 ]; then
+	if [ "$LIST_LENGTH" -eq 1 ]; then
 			SCREEN_RESOLUTION=${SCREEN_RESOLUTION[0]}
 	else
 			exec 3>&1
 			SCREEN_RESOLUTION=$(dialog --nocancel --backtitle "$BACKTITLE" --no-collapse \
-			--title "Select video mode" --clear --menu "" $((6+${LIST_LENGHT})) 25 $((1+${LIST_LENGHT})) "${LIST[@]}" 2>&1 1>&3)
+			--title "Select video mode" --clear --menu "" $((6+${LIST_LENGTH})) 25 $((1+${LIST_LENGTH})) "${LIST[@]}" 2>&1 1>&3)
 			exec 3>&-
 	fi
 
@@ -577,9 +577,9 @@ function add_choose_user ()
 	do
 			LIST+=( "${i[0]//[[:blank:]]/}" "" )
 	done
-	LIST_LENGHT=$((${#LIST[@]}/2));
+	LIST_LENGTH=$((${#LIST[@]}/2));
 
-	if [ "$LIST_LENGHT" -eq 0 ]; then
+	if [ "$LIST_LENGTH" -eq 0 ]; then
 		dialog --backtitle "$BACKTITLE" --title " Notice " --msgbox "\nWe didn't find any unprivileged user with sudo rights which is required to run this service.\
 		\n\nPress enter to create one!" 10 48
 		read -t 0 temp
@@ -589,12 +589,12 @@ function add_choose_user ()
 		[ -z "$CHOSEN_USER" ] && return
 		echo "Trying to add user $CHOSEN_USER"
 		adduser $CHOSEN_USER || return
-	elif [ "$LIST_LENGHT" -eq 1 ]; then
+	elif [ "$LIST_LENGTH" -eq 1 ]; then
 			CHOSEN_USER=${USERS[0]}
 	else
 			exec 3>&1
 			CHOSEN_USER=$(dialog --nocancel --backtitle "$BACKTITLE" --no-collapse \
-			--title "Select unprivileged user" --clear --menu "" $((6+${LIST_LENGHT})) 40 15 "${LIST[@]}" 2>&1 1>&3)
+			--title "Select unprivileged user" --clear --menu "" $((6+${LIST_LENGTH})) 40 15 "${LIST[@]}" 2>&1 1>&3)
 			exec 3>&-
 	fi
 

debian-config-functions-network

@@ -48,7 +48,7 @@ function initialize_lte ()
 # Copyright (c) 2016 Stanislav Sinyagin <ssinyagin@k-open.com>.
 
 # This content is published under Creative Commons Attribution 4.0
-# International (CC BY 4.0) lincense.
+# International (CC BY 4.0) license.
 # Source repository: https://github.com/ssinyagin/wwan_udev_rules
 
 if ! check_if_installed ppp then; then
@@ -333,7 +333,7 @@ function check_channels ()
 
 
 #
-# edit ip address witing network manager
+# edit ip address within network manager
 #
 function nm_ip_editor ()
 {
@@ -527,14 +527,14 @@ function get_wlan_interface ()
 	do
 			LIST+=( "${i[0]//[[:blank:]]/}" "" )
 	done
-	LIST_LENGHT=$((${#LIST[@]}/2));
+	LIST_LENGTH=$((${#LIST[@]}/2));
 
-	if [ "$LIST_LENGHT" -eq 1 ]; then
+	if [ "$LIST_LENGTH" -eq 1 ]; then
 			WIRELESS_ADAPTER=${WLAN_INTERFACES[0]}
 	else
 			exec 3>&1
 			WIRELESS_ADAPTER=$(dialog --nocancel --backtitle "$BACKTITLE" --no-collapse \
-			--title "Select interface" --clear --menu "" $((6+${LIST_LENGHT})) 40 15 "${LIST[@]}" 2>&1 1>&3)
+			--title "Select interface" --clear --menu "" $((6+${LIST_LENGTH})) 40 15 "${LIST[@]}" 2>&1 1>&3)
 			exec 3>&-
 	fi
 
@@ -558,15 +558,15 @@ function select_default_interface ()
 			local IPADDR=$(ip -4 addr show dev ${i[0]} | awk '/inet/ {print $2}' | cut -d'/' -f1)
 			[[ $IPADDR != "172.24.1.1" ]] && LIST+=( "${i[0]//[[:blank:]]/}" "${IPADDR}" )
 	done
-	LIST_LENGHT=$((${#LIST[@]}/2));
-	if [ "$LIST_LENGHT" -eq 0 ]; then
+	LIST_LENGTH=$((${#LIST[@]}/2));
+	if [ "$LIST_LENGTH" -eq 0 ]; then
 			DEFAULT_ADAPTER="lo"
-	elif [ "$LIST_LENGHT" -eq 1 ]; then
+	elif [ "$LIST_LENGTH" -eq 1 ]; then
 			DEFAULT_ADAPTER=${ADAPTER[0]}
 	else
 			exec 3>&1
 			DEFAULT_ADAPTER=$(dialog --nocancel --backtitle "$BACKTITLE" --no-collapse \
-			--title "Select default interface" --clear --menu "" $((6+${LIST_LENGHT})) 40 15 "${LIST[@]}" 2>&1 1>&3)
+			--title "Select default interface" --clear --menu "" $((6+${LIST_LENGTH})) 40 15 "${LIST[@]}" 2>&1 1>&3)
 			exec 3>&-
 	fi
 
@@ -595,14 +595,14 @@ function connect_bt_interface ()
 			LIST+=( "$a" "$b")
 		done
 
-		LIST_LENGHT=$((${#LIST[@]}/2));
-		if [ "$LIST_LENGHT" -eq 0 ]; then
+		LIST_LENGTH=$((${#LIST[@]}/2));
+		if [ "$LIST_LENGTH" -eq 0 ]; then
 			BT_ADAPTER=${WLAN_INTERFACES[0]}
 			dialog --backtitle "$BACKTITLE" --title "Bluetooth" --msgbox "\nNo nearby Bluetooth devices were found!" 7 43
 		else
 			exec 3>&1
 			BT_ADAPTER=$(dialog --backtitle "$BACKTITLE" --no-collapse --title "Select interface" \
-			--clear --menu "" $((6+${LIST_LENGHT})) 50 15 "${LIST[@]}" 2>&1 1>&3)
+			--clear --menu "" $((6+${LIST_LENGTH})) 50 15 "${LIST[@]}" 2>&1 1>&3)
 			exec 3>&-
 			if [[ $BT_ADAPTER != "" ]]; then
 				dialog --backtitle "$BACKTITLE" --title "Please wait" --infobox "\nConnecting to $BT_ADAPTER " 5 35

debian-config-jobs

@@ -198,7 +198,7 @@ function jobs ()
 	#
 	"Full"|"Mini" )
 		if ! is_package_manager_running; then
-			debconf-apt-progress -- apt-get -y purge armbian-firmware* # workaround since pkg replace deesn't work properly
+			debconf-apt-progress -- apt-get -y purge armbian-firmware* # workaround since pkg replace doesn't work properly
 			debconf-apt-progress -- apt-get -y install armbian-firmware$(echo -"${1,,}" | sed 's/-mini//')
 		fi
 	;;
@@ -254,7 +254,7 @@ function jobs ()
 			SYSTEMDNET=$(service systemd-networkd status | grep -w active | grep -w running)
 			dialog --title " IP address assignment " --colors --backtitle "$BACKTITLE" --help-button --help-label "Cancel" \
 			--yes-label "DHCP" --no-label "Static" --yesno \
-			"\n\Z1DHCP:\Z0   automatic IP asignment by your router or DHCP server\n\n\Z1Static:\Z0 manually fixed IP address" 9 70
+			"\n\Z1DHCP:\Z0   automatic IP assignment by your router or DHCP server\n\n\Z1Static:\Z0 manually fixed IP address" 9 70
 			exitstatus=$?;
 
 			# dynamic
@@ -305,7 +305,7 @@ function jobs ()
 	;;
 
 
-	# Toogle IPV6
+	# Toggle IPv6
 	#
 	"IPV6" )
 			#
@@ -382,7 +382,7 @@ function jobs ()
 			fi
 			exitstatus=$?;
 			if [[ $exitstatus = 0 ]]; then
-				dialog --backtitle "$BACKTITLE" --title " Please wait " --infobox "\nDisabling hotstop. Please wait!" 5 35
+				dialog --backtitle "$BACKTITLE" --title " Please wait " --infobox "\nDisabling hotspot. Please wait!" 5 35
 				sed -i "s/^DAEMON_CONF=.*/DAEMON_CONF=/" /etc/init.d/hostapd
 				# disable DNS
 				systemctl daemon-reload
@@ -607,7 +607,7 @@ function jobs ()
 		# reload to connect
 		${VPNDIR}vpnclient stop >/dev/null 2>&1
 		${VPNDIR}vpnclient start >/dev/null 2>&1
-		[[ $? = 0 ]] && dialog --backtitle "$BACKTITLE" --title " VPN " --msgbox "\nConfiguration was succesfully imported!" 7 43
+		[[ $? = 0 ]] && dialog --backtitle "$BACKTITLE" --title " VPN " --msgbox "\nConfiguration was successfully imported!" 7 43
 	fi
 	}
 
@@ -638,12 +638,12 @@ function jobs ()
 					${VPNDIR}vpncmd /client localhost /cmd niccreate se >/dev/null 2>&1
 				fi
 				if [[ -z $(${VPNDIR}vpncmd /client localhost /cmd accountlist | grep "VPN Server") ]]; then
-					dialog --backtitle "$BACKTITLE" --no-label " Cancel " --yes-label " Import " --title " VPN " --yesno "\nVPN configuration was not found.\n\nPlace file to /etc/server.vpn" 9 45
+					dialog --backtitle "$BACKTITLE" --no-label " Cancel " --yes-label " Import " --title " VPN " --yesno "\nA VPN configuration was not found.\n\nPlace valid file at /etc/server.vpn" 9 45
 					if [[ $? = 0 && -f /etc/server.vpn ]]; then
 						${VPNDIR}vpncmd /client localhost /cmd accountimport //etc//server.vpn >/dev/null 2>&1
 						${VPNDIR}vpnclient stop >/dev/null 2>&1
 						${VPNDIR}vpnclient start >/dev/null 2>&1
-						[[ $? = 0 ]] && dialog --backtitle "$BACKTITLE" --title " VPN " --msgbox "\nConfiguration was succesfully imported!" 7 43
+						[[ $? = 0 ]] && dialog --backtitle "$BACKTITLE" --title " VPN " --msgbox "\nConfiguration was successfully imported!" 7 43
 					fi
 				fi
 
@@ -691,7 +691,7 @@ function jobs ()
 	# Connect to Bluetooth
 	#
 	"BT discover" )
-	dialog --backtitle "$BACKTITLE" --title " Bluetooth " --msgbox "\nMake sure your Bluetooth devices are discoverable!" 7 54
+	dialog --backtitle "$BACKTITLE" --title " Bluetooth " --msgbox "\nVerify that your Bluetooth device is discoverable!" 7 54
 	connect_bt_interface
 	;;
 
@@ -1045,12 +1045,12 @@ function jobs ()
 				(( j++ ))
 			done < <(ls -1 ${OVERLAYDIR}/${overlay_prefix}*.dtbo | sed 's/^.*\('${overlay_prefix}'.*\)/\1/g' | sed 's/'${overlay_prefix}'-//g' | sed 's/.dtbo//g' )
 
-			LISTLENGHT="$(($LIST_CONST+${#MOTD[@]}/2))"
+			LISTLENGTH="$(($LIST_CONST+${#MOTD[@]}/2))"
 
 			exec 3>&1
 				selection=$(dialog --backtitle "$BACKTITLE" --colors --title "Toggle hardware configuration" --clear --cancel-label \
 				"Back" --ok-label "Save" --checklist "\nUse \Z1<space>\Z0 to toggle functions and save them. Exit when you are done.\n " \
-				$LISTLENGHT 80 $LISTLENGHT "${MOTD[@]}" 2>&1 1>&3)
+				$LISTLENGTH 80 $LISTLENGTH "${MOTD[@]}" 2>&1 1>&3)
 				exit_status=$?
 			exec 3>&-
 
@@ -1102,14 +1102,14 @@ function jobs ()
 			DESC=$(description "${i[0]}")
 			[[ "${i[0]}" != "$BEFORE" ]] && LIST+=( "${i[0]//[[:blank:]]/}" "$DESC" )
 		done
-		LIST_LENGHT=$(($LIST_CONST+${#LIST[@]}/2));
-		if [ "$LIST_LENGHT" -le 3 ]; then
+		LIST_LENGTH=$(($LIST_CONST+${#LIST[@]}/2));
+		if [ "$LIST_LENGTH" -le 3 ]; then
 			TARGET_MIRROR=${AVAL_MIRROR[0]}
 			dialog --backtitle "$BACKTITLE" --title "Please wait" --colors --msgbox "\nThere are no mirrors available!" 7 35
 		else
 			exec 3>&1
 			TARGET_MIRROR=$(dialog --cancel-label "Cancel" --backtitle "$BACKTITLE" --no-collapse \
-			--title "Change repository location" --colors --clear --menu "\nfrom \Z1$BEFORE_DESC\Z0 to:\n " $((6+${LIST_LENGHT})) 60 15 "${LIST[@]}" 2>&1 1>&3)
+			--title "Change repository location" --colors --clear --menu "\nfrom \Z1$BEFORE_DESC\Z0 to:\n " $((6+${LIST_LENGTH})) 60 15 "${LIST[@]}" 2>&1 1>&3)
 			exitstatus=$?;
 			exec 3>&-
 		fi
@@ -1141,11 +1141,11 @@ function jobs ()
 			(( j++ ))
 		done < <(ls -1 $HOME)
 
-				LISTLENGHT="$(($LIST_CONST+${#MOTD[@]}/3))"
+				LISTLENGTH="$(($LIST_CONST+${#MOTD[@]}/3))"
 				exec 3>&1
 				selection=$(dialog --backtitle "$BACKTITLE" --title "Toggle motd executing scripts" --clear --cancel-label \
 				"Back" --ok-label "Save" --checklist "\nChoose what you want to enable or disable:\n " \
-				$LISTLENGHT 80 15 "${MOTD[@]}" 2>&1 1>&3)
+				$LISTLENGTH 80 15 "${MOTD[@]}" 2>&1 1>&3)
 				exit_status=$?
 				exec 3>&-
 				case $exit_status in
@@ -1195,7 +1195,7 @@ function jobs ()
 			MOTD+=( "PasswordAuthentication" "Password login" "$PasswordAuthentication" )
 			MOTD+=( "PubkeyAuthentication" "SSH key login" "$PubkeyAuthentication" )
 			MOTD+=( "PhoneAuthentication" "Mobile phone one-time passcode" "$PhoneAuthentication" )
-			LISTLENGHT="$(($LIST_CONST+${#MOTD[@]}/2))"
+			LISTLENGTH="$(($LIST_CONST+${#MOTD[@]}/2))"
 
 			Buttons="--no-cancel --ok-label "Save" --help-button --help-label Cancel"
 			if [[ $PhoneAuthentication == "on" ]]; then
@@ -1207,7 +1207,7 @@ function jobs ()
 
 			exec 3>&1
 				selection=$(dialog $Buttons --backtitle "$BACKTITLE" --title " Toggle sshd options " --clear --checklist \
-				"\nChoose what you want to enable or disable:\n " $LISTLENGHT 80 21 "${MOTD[@]}" 2>&1 1>&3)
+				"\nChoose what you want to enable or disable:\n " $LISTLENGTH 80 21 "${MOTD[@]}" 2>&1 1>&3)
 				exit_status=$?
 			exec 3>&-
 
@@ -1301,9 +1301,9 @@ function jobs ()
 	"Nightly" )
 
 		if ! is_package_manager_running; then
-			dialog --colors --title " \Z1Warning\Z0 " --backtitle "$BACKTITLE" --yes-label "OK" \
-			--no-label "Cancel" --yesno \
-			"\nYou are switching to untested auto-build repository which might break your system.\n\nAre you fine with that?" 10 48
+			dialog --colors --title " \Z1Warning\Z0 " --backtitle "$BACKTITLE" --yes-label "Yes" \
+			--no-label "No" --yesno \
+			"\nYou are switching to an untested auto-build repository which might break your system.\n\nContinue?" 10 48
 
 			if [[ $? = 0 ]]; then
 				sed -i 's/apt.armbian.com/beta.armbian.com/' /etc/apt/sources.list.d/armbian.list
@@ -1318,9 +1318,9 @@ function jobs ()
 	"Stable" )
 
 		if ! is_package_manager_running; then
-			dialog --colors --title " \Z1Warning\Z0 " --backtitle "$BACKTITLE" --yes-label "OK" \
-			--no-label "Cancel" --yesno \
-			"\nYou are switching back to stable respository where you are going to get future updates. Are you fine with that?" 9 44
+			dialog --colors --title " \Z1Warning\Z0 " --backtitle "$BACKTITLE" --yes-label "Yes" \
+			--no-label "No" --yesno \
+			"\nYou are switching to a stable repository where you will receive future updates.\n\nContinue?" 9 44
 
 			if [[ $? = 0 ]]; then
 				sed -i 's/beta.armbian.com/apt.armbian.com/' /etc/apt/sources.list.d/armbian.list
@@ -1336,8 +1336,8 @@ function jobs ()
 		if ! is_package_manager_running; then
 			aval_dtbs
 			if [[ $exitstatus = 0 ]]; then
-			BOX_LENGHT=$((${#TARGET_BOARD}+28));
-			dialog --title "Switching board config" --backtitle "$BACKTITLE" --yes-label "Reboot" --no-label "Cancel" --yesno "\nReboot to $TARGET_BOARD settings?" 7 $BOX_LENGHT
+			BOX_LENGTH=$((${#TARGET_BOARD}+28));
+			dialog --title "Switching board config" --backtitle "$BACKTITLE" --yes-label "Reboot" --no-label "Cancel" --yesno "\nReboot to $TARGET_BOARD settings?" 7 $BOX_LENGTH
 			if [[ $? = 0 ]]; then
 				sed -i "s/^fdt_file=.*/fdt_file=$TARGET_BOARD/" /boot/armbianEnv.txt 2> /dev/null && grep -q "fdt_file=$TARGET_BOARD" /boot/armbianEnv.txt 2> /dev/null || echo "fdt_file=$TARGET_BOARD" >> /boot/armbianEnv.txt
 				[[ "$LINUXFAMILY" = odroidxu4 ]] && sed -i "s/^fdt_file/board_name/" /boot/armbianEnv.txt && sed -i "s/^BOARD_NAME.*/BOARD_NAME=\"Odroid ${TARGET_BOARD^^}\"/" /etc/armbian-release

debian-config-submenu

@@ -31,7 +31,7 @@ while true; do
 	# check update status of BSP packages
 	local mark=$(apt-mark showhold | egrep "linux|armbian")
 
-	# check if install targets are avaliable
+	# check if install targets are available
 	if [[ $(sed -n 's/^DEVNAME=//p' /sys/dev/block/$(mountpoint -d /)/uevent 2> /dev/null) == mmcblk* \
 	&& -f /usr/sbin/nand-sata-install ]]; then
 		LIST+=( "Install" "Install to SATA, eMMC, NAND or USB" )
@@ -111,9 +111,9 @@ while true; do
 		fi
 	fi
 
-	# count number of menu items to adjust window sizee
-	LISTLENGHT="$((6+${#LIST[@]}/2))"
-	BOXLENGHT=${#LIST[@]}
+	# count number of menu items to adjust window size
+	LISTLENGTH="$((6+${#LIST[@]}/2))"
+	BOXLENGTH=${#LIST[@]}
 	temp_rc=$(mktemp)
 	if [[ -n ${mark} || -n $(grep -w beta /etc/apt/sources.list.d/armbian.list 2> /dev/null) ]]; then
 			cat <<-'EOF' > $temp_rc
@@ -135,7 +135,7 @@ while true; do
 
 	exec 3>&1
 	selection=$(DIALOGRC=$temp_rc dialog --colors --backtitle "$BACKTITLE" --title " $sys_title " --clear \
-	--cancel-label "Back" --menu "$disclaimer" $LISTLENGHT 68 $BOXLENGHT \
+	--cancel-label "Back" --menu "$disclaimer" $LISTLENGTH 68 $BOXLENGTH \
 	"${LIST[@]}" 2>&1 1>&3)
 	exit_status=$?
 	exec 3>&-
@@ -182,11 +182,11 @@ while true; do
 
 	fi
 
-	# toogle IPV6
+	# toggle IPv6
 	if [[ $(cat /proc/sys/net/ipv6/conf/all/disable_ipv6) == 1 ]]; then
-			LIST+=( "IPV6" "Enable IPV6 for APT and system" )
+			LIST+=( "IPV6" "Enable IPv6 for APT and system" )
 		else
-			LIST+=( "IPV6" "Disable IPV6 for APT and system" )
+			LIST+=( "IPV6" "Disable IPv6 for APT and system" )
 	fi
 
 	# network throughput test
@@ -229,9 +229,9 @@ while true; do
 	[[ $(ls -1 /etc/NetworkManager/system-connections 2> /dev/null) ]] && \
 	LIST+=( "Forget" "Disconnect and forget all wireless connections" )
 
-	# count number of menu items to adjust window sizee
-	LISTLENGHT="$((12+${#LIST[@]}/2))"
-	BOXLENGHT=${#LIST[@]}
+	# count number of menu items to adjust window size
+	LISTLENGTH="$((12+${#LIST[@]}/2))"
+	BOXLENGTH=${#LIST[@]}
 	WIFICONNECTED=$(LC_ALL=C nmcli -f NAME,TYPE connection show --active 2> /dev/null | grep wireless | awk 'NF{NF-=1};1')
 
 	local disclaimer=""
@@ -252,7 +252,7 @@ while true; do
 	disclaimer="$ifup"
 
 	if [[ -n $WIFICONNECTED ]]; then
-		LISTLENGHT=$((LISTLENGHT+2))
+		LISTLENGTH=$((LISTLENGTH+2))
 		local connected="\n\Z0Connected to SSID: \Z1${WIFICONNECTED}\n\Z0 "
 		disclaimer=$disclaimer"$connected"
 	fi
@@ -260,11 +260,11 @@ while true; do
 	if [[ -n $VPNSERVERIP ]]; then
 		local vpnserverip="\n\Z0Connected to VPN server: \Z1${VPNSERVERIP}\n\Z0 "
 		disclaimer=$disclaimer"$vpnserverip"
-		LISTLENGHT=$((LISTLENGHT+2))
+		LISTLENGTH=$((LISTLENGTH+2))
 	fi
 
 	if [[ -n $HOSTAPDINFO && -n $HOSTAPDSTATUS ]]; then
-		LISTLENGHT=$((LISTLENGHT+2))
+		LISTLENGTH=$((LISTLENGTH+2))
 		chpid=$(dmesg | grep $(grep ^interface /etc/hostapd.conf | sed 's/interface=//g') | head -1 | sed 's/\[.*\]//g' | awk '{print $1}')
 		disclaimer=$disclaimer$"\n\Z0Hotspot SSID: \Z1$HOSTAPDINFO\Zn Band:";
 		if [[ `grep ^hw_mode=a /etc/hostapd.conf` ]]; then local band="5Ghz"; else band="2.4Ghz"; fi
@@ -273,14 +273,14 @@ while true; do
 		disclaimer=$disclaimer$" \Z1${band} ${type}\Z0"
 		[[ ! "$chpid" =~ .*IPv6.* ]] && disclaimer=$disclaimer$"\n\nChip: \Z1${chpid}\Z0";
 		if [ "$HOSTAPDCLIENTS" -gt "0" ]; then disclaimer=$disclaimer$" Connected clients: \Z1$HOSTAPDCLIENTS\Zn"; fi
-		if [[ ! "$chpid" =~ .*IPv6.* ]]; then LISTLENGHT=$((LISTLENGHT+2)); fi
+		if [[ ! "$chpid" =~ .*IPv6.* ]]; then LISTLENGTH=$((LISTLENGTH+2)); fi
 		disclaimer=$disclaimer$"\n";
 	fi
-	disclaimer=$disclaimer"\n\Z1Note\Zn: This tool can be successful only when drivers are in good shape. If autodetection fails, you are on your own.\n "
+	disclaimer=$disclaimer"\n\Z1Note\Zn: This tool can be successful only when drivers are configured properly. If auto-detection fails, you are on your own.\n "
 
 	exec 3>&1
 	selection=$(dialog --backtitle "$BACKTITLE" --colors --title " Wired, Wireless, Bluetooth, Hotspot " --clear \
-	--cancel-label "Back" --menu "${disclaimer}" $LISTLENGHT 70 $BOXLENGHT \
+	--cancel-label "Back" --menu "${disclaimer}" $LISTLENGTH 70 $BOXLENGTH \
 	"${LIST[@]}" 2>&1 1>&3)
 	exit_status=$?
 	exec 3>&-
@@ -311,12 +311,12 @@ while true; do
 	LIST+=( "Welcome" "Toggle welcome screen items" )
 
 	# count number of menu items to adjust window sizee
-	LISTLENGHT="$((6+${#LIST[@]}/2))"
-	BOXLENGHT=${#LIST[@]}
+	LISTLENGTH="$((6+${#LIST[@]}/2))"
+	BOXLENGTH=${#LIST[@]}
 
 	exec 3>&1
 	selection=$(dialog --colors --backtitle "$BACKTITLE" --title "Personal settings" --clear \
-	--cancel-label "Back" --menu "$disclaimer" $LISTLENGHT 70 $BOXLENGHT \
+	--cancel-label "Back" --menu "$disclaimer" $LISTLENGTH 70 $BOXLENGTH \
 	"${LIST[@]}" 2>&1 1>&3)
 	exit_status=$?
 	exec 3>&-
@@ -389,12 +389,12 @@ while true; do
 	fi
 
 	# count number of menu items to adjust window sizee
-	LISTLENGHT="$((6+${#LIST[@]}/2))"
-	BOXLENGHT=${#LIST[@]}
+	LISTLENGTH="$((6+${#LIST[@]}/2))"
+	BOXLENGTH=${#LIST[@]}
 
 	exec 3>&1
 	selection=$(dialog --backtitle "$BACKTITLE" --title "System and 3rd party software" --clear \
-	--cancel-label "Back" --menu "$disclaimer" $LISTLENGHT 70 $BOXLENGHT \
+	--cancel-label "Back" --menu "$disclaimer" $LISTLENGTH 70 $BOXLENGTH \
 	"${LIST[@]}" 2>&1 1>&3)
 	exit_status=$?
 	exec 3>&-

debian-software

 #!/bin/bash
 #
-# Copyright (c) 2017 Igor Pecovnik, igor.pecovnik@gma**.com
+# Copyright (c) 2017 Igor Pečovnik, igor.pecovnik@gma**.com
 #
 # This file is licensed under the terms of the GNU General Public
 # License version 2. This program is licensed "as is" without any
@@ -246,7 +246,7 @@ esac
 function server_conf
 {
 #
-# Add some reqired date for installation
+# Add some required date for installation
 #
 if [[ "$(curl -s ipinfo.io/ip)" != "$serverIP" ]]; then
 table="\Z2Application     Protocol      Port\n
@@ -832,7 +832,7 @@ chmod +x /etc/cron.daily/seed-armbian-torrent
 install_hassio ()
 {
 #
-# Install Home assitant smart home suite hass.io
+# Install Home assistant smart home suite hass.io
 #
 
 install_docker
@@ -1109,11 +1109,11 @@ chmod 700 vpnclient
 install_DashNTP ()
 {
 #
-# Install DASH and ntp service
+# Install DASH and NTP service
 #
 echo "dash dash/sh boolean false" | debconf-set-selections
 dpkg-reconfigure -f noninteractive dash > /dev/null 2>&1
-install_packet "ntp ntpdate" "Install DASH and ntp service"
+install_packet "ntp ntpdate" "Install DASH and NTP service"
 }
 
 
@@ -1197,7 +1197,7 @@ service postfix restart >> /dev/null
 install_Virus ()
 {
 #
-# Install Amavisd-new, SpamAssassin, And Clamav
+# Install Amavisd-new, SpamAssassin, And ClamAV
 #
 packets="amavisd-new spamassassin clamav clamav-daemon unzip bzip2 arj p7zip unrar-free ripole rpm nomarch lzop \
 cabextract apt-listchanges libnet-ldap-perl libauthen-sasl-perl clamav-docs daemon libio-string-perl libio-socket-ssl-perl \
@@ -1619,7 +1619,7 @@ while true; do
 
 	# prepare menu items
 	check_status
-	LISTLENGHT="$((${#LIST[@]}/2))"
+	LISTLENGTH="$((${#LIST[@]}/2))"
 	exec 3>&1
 	selection=$(dialog --backtitle "$BACKTITLE" --title "Installing to $family $distribution" --colors --clear --cancel-label \
 	"Cancel" --ok-label "Install" --checklist "\nChoose what you want to install:\n " $LIST_CONST 71 18 "${LIST[@]}" 2>&1 1>&3)
@@ -1632,10 +1632,10 @@ while true; do
 		;;
 	esac
 
-	# cycle trought all install options
+	# cycle through all install options
 	i=0
 if ! is_package_manager_running; then
-	while [ "$i" -lt "$LISTLENGHT" ]; do
+	while [ "$i" -lt "$LISTLENGTH" ]; do
 
 		if [[ "$selection" == *Samba* && "$SAMBA_STATUS" != "on" ]]; then
 			install_samba