Samba performance tweak, OMV4 installer skeleton

OMV4 confirmed to work but pretty useless yet without OMV Extras and flashmemory plugin. Developer stuff :)

softy

@@ -239,6 +239,10 @@ cat > /etc/samba/smb.conf.tmp << EOF
 	load printers = yes
 	printing = cups
 	printcap name = cups
+	min receivefile size = 16384
+	write cache size = 524288
+	getwd cache = yes
+	socket options = TCP_NODELAY IPTOS_LOWDELAY
 
 [printers]
 	comment = All Printers
@@ -279,6 +283,7 @@ if [[ $? = 0 ]]; then
 fi
 }
 
+
 install_omv (){
 #------------------------------------------------------------------------------------------------------------------------------------------
 # Install OpenMediaVault 3
@@ -302,8 +307,11 @@ deb https://openmediavault.github.io/packages/ erasmus-proposed main
 # deb https://openmediavault.github.io/packages/ erasmus partner
 EOF
 
+read HOSTNAME </etc/hostname
+read TZ </etc/timezone
 debconf-apt-progress -- apt-get update
-debconf-apt-progress -- apt-get --yes --force-yes --allow-unauthenticated install openmediavault-keyring openmediavault postfix
+debconf-set-selections <<< "postfix postfix/mailname string ${HOSTNAME}"
+debconf-apt-progress -- apt-get --yes --force-yes --allow-unauthenticated --fix-missing --no-install-recommends install openmediavault-keyring openmediavault postfix
 URL='https://github.com/OpenMediaVault-Plugin-Developers/packages/raw/master/openmediavault-omvextrasorg_latest_all3.deb'; FILE=`mktemp`; wget "$URL" -qO $FILE && dpkg -i $FILE; rm $FILE
 /usr/sbin/omv-update
 
@@ -319,35 +327,104 @@ xmlstarlet ed -L -u "/config/services/flashmemory/enable" -v "1" /etc/openmediav
 xmlstarlet ed -L -u "/config/services/ssh/enable" -v "1" /etc/openmediavault/config.xml
 xmlstarlet ed -L -u "/config/services/ssh/permitrootlogin" -v "1" /etc/openmediavault/config.xml
 xmlstarlet ed -L -u "/config/system/time/ntp/enable" -v "1" /etc/openmediavault/config.xml
-read TZ </etc/timezone
 xmlstarlet ed -L -u "/config/system/time/timezone" -v "${TZ}" /etc/openmediavault/config.xml
-read HOSTNAME </etc/hostname
 xmlstarlet ed -L -u "/config/system/network/dns/hostname" -v "${HOSTNAME}" /etc/openmediavault/config.xml
 /usr/sbin/omv-rpc -u admin "perfstats" "set" '{"enable":false}'
 /usr/sbin/omv-rpc -u admin "config" "applyChanges" '{ "modules": ["monit","rrdcached","collectd"],"force": true }'
 sed -i 's|-j /var/lib/rrdcached/journal/ ||' /etc/init.d/rrdcached
-/usr/sbin/omv-mkconf netatalk
-/usr/sbin/omv-mkconf samba
-/usr/sbin/omv-mkconf flashmemory
-/usr/sbin/omv-mkconf ssh
-/usr/sbin/omv-mkconf ntp
-/usr/sbin/omv-mkconf timezone
-/usr/sbin/omv-mkconf monit
-/usr/sbin/omv-mkconf rrdcached
-/usr/sbin/omv-mkconf collectd
+for i in netatalk samba flashmemory ssh ntp timezone monit rrdcached collectd ; do
+	/usr/sbin/omv-mkconf $i
+done
 /sbin/folder2ram -enablesystemd
 
 # Prevent accidentally destroying board performance by clicking around in OMV UI
-. /etc/default/cpufrequtils
-echo -e "OMV_CPUFREQUTILS_GOVERNOR=${GOVERNOR}" >>/etc/default/openmediavault
-echo -e "OMV_CPUFREQUTILS_MINSPEED=${MIN_SPEED}" >>/etc/default/openmediavault
-echo -e "OMV_CPUFREQUTILS_MAXSPEED=${MAX_SPEED}" >>/etc/default/openmediavault
+if [ -f /etc/default/cpufrequtils ]; then
+	. /etc/default/cpufrequtils
+	echo -e "OMV_CPUFREQUTILS_GOVERNOR=${GOVERNOR}" >>/etc/default/openmediavault
+	echo -e "OMV_CPUFREQUTILS_MINSPEED=${MIN_SPEED}" >>/etc/default/openmediavault
+	echo -e "OMV_CPUFREQUTILS_MAXSPEED=${MAX_SPEED}" >>/etc/default/openmediavault
+fi
 
 omv-initsystem
 check_port 80
 }
 
 
+install_omv4 (){
+#------------------------------------------------------------------------------------------------------------------------------------------
+# Install OpenMediaVault 4
+#------------------------------------------------------------------------------------------------------------------------------------------
+# Not yet recommended, OMV package repository lacks authentication, no flashmemory plugin available,
+# same with all other OMV-Extras, only for developers and OMV contributors!
+
+if [ $distribution != "stretch" ]; then
+	dialog --backtitle "$backtitle" --title "Dependencies not met" --msgbox "\nOpenMediaVault 4 can only be installed on Debian Stretch." 7 52
+	sleep 5
+	exit
+fi
+
+# sed -i "s/^# en_US.UTF-8/en_US.UTF-8/" /etc/locale.gen
+# locale-gen
+# update-locale LANG=en_US:en LC_ALL=en_US.UTF-8
+# export LANG=C LC_ALL="en_US.UTF-8"
+	
+wget -qO - packages.openmediavault.org/public/archive.key | apt-key add -
+apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 7AA630A1EDEE7D73
+
+cat > /etc/apt/sources.list.d/openmediavault.list << EOF
+deb https://openmediavault.github.io/packages/ arrakis main
+
+## Uncomment the following line to add software from the proposed repository.
+deb https://openmediavault.github.io/packages/ arrakis-proposed main
+
+## This software is not part of OpenMediaVault, but is offered by third-party
+## developers as a service to OpenMediaVault users.
+# deb https://openmediavault.github.io/packages/ arrakis partner
+EOF
+
+debconf-apt-progress -- apt-get update
+read HOSTNAME </etc/hostname
+read TZ </etc/timezone
+debconf-set-selections <<< "postfix postfix/mailname string ${HOSTNAME}"
+debconf-apt-progress -- apt-get -y --allow-unauthenticated --fix-missing --no-install-recommends install openmediavault postfix
+# URL='https://github.com/OpenMediaVault-Plugin-Developers/packages/raw/master/openmediavault-omvextrasorg_latest_all3.deb'; FILE=`mktemp`; wget "$URL" -qO $FILE && dpkg -i $FILE; rm $FILE
+/usr/sbin/omv-update
+
+# Install flashmemory plugin and netatalk by default, use nice logo for the latter,
+# disable OMV monitoring by default
+. /usr/share/openmediavault/scripts/helper-functions
+apt-get -y -q --allow-unauthenticated install openmediavault-netatalk
+AFP_Options="mimic model = Macmini"
+SMB_Options="min receivefile size = 16384\nwrite cache size = 524288\ngetwd cache = yes\nsocket options = TCP_NODELAY IPTOS_LOWDELAY"
+xmlstarlet ed -L -u "/config/services/afp/extraoptions" -v "$(echo -e "${AFP_Options}")" ${OMV_CONFIG_FILE}
+xmlstarlet ed -L -u "/config/services/smb/extraoptions" -v "$(echo -e "${SMB_Options}")" ${OMV_CONFIG_FILE}
+xmlstarlet ed -L -u "/config/services/flashmemory/enable" -v "1" ${OMV_CONFIG_FILE}
+xmlstarlet ed -L -u "/config/services/ssh/enable" -v "1" ${OMV_CONFIG_FILE}
+xmlstarlet ed -L -u "/config/services/ssh/permitrootlogin" -v "1" ${OMV_CONFIG_FILE}
+xmlstarlet ed -L -u "/config/system/time/ntp/enable" -v "1" ${OMV_CONFIG_FILE}
+xmlstarlet ed -L -u "/config/system/time/timezone" -v "${TZ}" ${OMV_CONFIG_FILE}
+xmlstarlet ed -L -u "/config/system/network/dns/hostname" -v "${HOSTNAME}" ${OMV_CONFIG_FILE}
+/usr/sbin/omv-rpc -u admin "perfstats" "set" '{"enable":false}'
+/usr/sbin/omv-rpc -u admin "config" "applyChanges" '{ "modules": ["monit","rrdcached","collectd"],"force": true }'
+sed -i 's|-j /var/lib/rrdcached/journal/ ||' /etc/init.d/rrdcached
+for i in netatalk samba ssh ntp timezone monit rrdcached collectd ; do
+	/usr/sbin/omv-mkconf $i
+done
+# /sbin/folder2ram -enablesystemd
+
+# Prevent accidentally destroying board performance by clicking around in OMV UI
+if [ -f /etc/default/cpufrequtils ]; then
+	. /etc/default/cpufrequtils
+	echo -e "OMV_CPUFREQUTILS_GOVERNOR=${GOVERNOR}" >>/etc/default/openmediavault
+	echo -e "OMV_CPUFREQUTILS_MINSPEED=${MIN_SPEED}" >>/etc/default/openmediavault
+	echo -e "OMV_CPUFREQUTILS_MAXSPEED=${MAX_SPEED}" >>/etc/default/openmediavault
+fi
+
+/usr/sbin/omv-initsystem
+check_port 80
+}
+
+
 install_tvheadend (){
 #------------------------------------------------------------------------------------------------------------------------------------------
 # TVheadend https://tvheadend.org/ unofficial port https://tvheadend.org/boards/5/topics/21528