Updated build_debian_rootfs

Rootfs now includes:
-vim, nano
-locales, keyboard, tzdata setup (with dialog)
-default network config
-tweaks for eth, sysctl (from Tweaks.txt)

build_debian_rootfs.sh

@@ -10,17 +10,23 @@ exit_with_error()
 # we can never know what aliases may be set, so remove them all
 unalias -a
 
-# set options
+# set options 
 target_dir="output"
 rootfs="${target_dir}"/rootfs
 release='buster'
 arch='armhf'
 qemu_binary='qemu-arm-static'
 components='main,contrib'
-includes="ccache,locales,git,ca-certificates,debhelper,rsync,python3,distcc,systemd,init,udev,kmod,bash-completion,busybox,ethtool,dirmngr,hdparm,ifupdown,iproute2,iputils-ping,logrotate,net-tools,nftables,powermgmt-base,procps,rename,resolvconf,rsyslog,ssh,sysstat,update-inetd" #libfile-fcntllock-perl,devscripts,
+# Adjust package list here
+includes="ccache,locales,git,ca-certificates,debhelper,rsync,python3,distcc,systemd,init,udev,kmod,bash-completion,busybox,ethtool,dirmngr,hdparm,ifupdown,iproute2,iputils-ping,logrotate,net-tools,nftables,powermgmt-base,procps,rename,resolvconf,rsyslog,ssh,sysstat,update-inetd,isc-dhcp-client,isc-dhcp-common,vim,dialog,apt-utils,nano,keyboard-configuration,console-setup" 
 mirror_addr="http://httpredir.debian.org/debian/"
+
+# Adjust default root pw
 root_pw='1234'
 
+# Adjust hostname here
+def_hostname='wdmycloud'
+
 # cleanup old
 rm -rf "${rootfs}"
 rm -rf "${target_dir}"/"${release}"-rootfs.tar.gz
@@ -55,14 +61,12 @@ mount -t devpts chpts "${rootfs}"/dev/pts
 
 echo "### Applying tweaks"
 [[ -f "${rootfs}"/etc/locale.gen ]] && sed -i "s/^# en_US.UTF-8/en_US.UTF-8/" "${rootfs}"/etc/locale.gen
-chroot "${rootfs}" /bin/bash -c "locale-gen; update-locale LANG=en_US:en LC_ALL=en_US.UTF-8"
+#chroot "${rootfs}" /bin/bash -c "locale-gen; update-locale LANG=en_US:en LC_ALL=en_US.UTF-8"
+chroot "${rootfs}" /bin/bash -c "dpkg-reconfigure locales"
+chroot "${rootfs}" /bin/bash -c "dpkg-reconfigure tzdata"
+chroot "${rootfs}" /bin/bash -c "dpkg-reconfigure keyboard-configuration"
 chroot "${rootfs}" /bin/bash -c "/usr/sbin/update-ccache-symlinks"
 
-#if [[ -f "${rootfs}"/etc/default/console-setup ]]; then
-#	sed -e 's/CHARMAP=.*/CHARMAP="UTF-8"/' -e 's/FONTSIZE=.*/FONTSIZE="8x16"/' \
-#		-e 's/CODESET=.*/CODESET="guess"/' -i "${rootfs}"/etc/default/console-setup
-#	eval 'LC_ALL=C LANG=C chroot $rootfs /bin/bash -c "setupcon --save"'
-#fi
 
 chroot "${rootfs}" /bin/bash -c "apt-get -y update"
 chroot "${rootfs}" /bin/bash -c "apt-get -y full-upgrade"
@@ -72,6 +76,7 @@ chroot "${rootfs}" /bin/bash -c "apt-get -y clean"
 # set root password
 chroot "${rootfs}" /bin/bash -c "(echo ${root_pw};echo ${root_pw};) | passwd root >/dev/null 2>&1"
 
+# create fstab, adjust for your layout here
 cat << EOF > ${rootfs}/etc/fstab
 # Default mounts
 /dev/sdb2       /               ext4    defaults,noatime,nodiratime,commit=600,errors=remount-ro 0 1
@@ -91,10 +96,28 @@ sysfs           /sys            sysfs   defaults                0       0
 #/dev/sda1       /mnt/hd-intern  ext4    defaults,noatime        0       1
 EOF
 
+# Apply tweaks in sysctl
+cat << EOF >> ${rootfs}/etc/sysctl.conf
+
+vm.min_free_kbytes=8192
+net.core.somaxconn=4096
+net.core.wmem_max=16777216
+net.core.rmem_max=16777216
+net.core.wmem_default=163840
+net.core.rmem_default=163840
+net.core.netdev_max_backlog=3000
+net.ipv4.tcp_keepalive_time=1800
+net.ipv4.tcp_fin_timeout=30
+net.ipv4.tcp_max_syn_backlog=2048
+net.ipv4.tcp_timestamps=0
+EOF
+
+# Setup hostname
 cat << EOF > ${rootfs}/etc/hostname
-wdmycloud
+${def_hostname}
 EOF
 
+# Setup interfaces (eth0)
 cat << EOF > ${rootfs}/etc/network/interfaces
 # interfaces(5) file used by ifup(8) and ifdown(8)
 # Include files from /etc/network/interfaces.d:
@@ -112,6 +135,7 @@ iface eth0 inet dhcp
 #       netmask 255.255.255.0
 #       gateway 192.168.1.1
 #       dns-nameservers 192.168.1.1
+pre-up /sbin/ethtool -C eth0 pkt-rate-low 20000 pkt-rate-high 3000000 rx-frames 32 rx-usecs 1150 rx-usecs-high 1150 rx-usecs-low 100 rx-frames-low 32 rx-frames-high 32 adaptive-rx on
 EOF
 
 echo "### Unmounting"