Raspi2-3_GenImage Files · bootstrap.d/99-reduce.sh · Collaboration Tremplin des Sciences

kernel features + nexmon monitor mode wlan patch(kali-kernel) with RPI3,RPI3B+ firmware patch...

kernel features + nexmon monitor mode wlan patch(kali-kernel) with RPI3,RPI3B+ firmware patch - ENABLE_NEXMON to use raspberry pi kali kernel sources which include patched nl80211 driver. Needed to crosscompile nexmon. Firmware for RPI3 and RPI3B+ is patched in the process to enable moniotor mode and injection. - Support for precompiled kernel. RPI3 64bit kernel from sakaki and a multi kernel (supporting all RPI models) from hyperiotOS. Needs further testing! - start.elf isn't supplied from precompiled kernel so always install them - ENABLE_SYSTEMDSWAP enables swapping service supporting new KERNEL_ZSWAP feature and also manages swap files - KERNEL_SECURITY activates apparmor, keyring,str/mem cpy protection, audit funcionality, integrity checks - KERNEL_ZSWAP enables compressed swap kernel feature. -KERNEL_VIRT enables virtualisation on RPI2,3,3P -KERNEL_BPF enables bpf syscall (supress journald warning message) - KERNEL_NF enable netfilter firewall (iptables-legacy is not default anymore) - KERNEL_DEFAULT_GOV set default cpu governor

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             99-reduce.sh
        
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      #

      # Reduce system disk usage

      #

      # Load utility functions

      . ./functions.sh

      # Reduce the image size by various operations

      if [ "$ENABLE_REDUCE" = true ] ; then

        if [ "$REDUCE_APT" = true ] ; then

          # Install dpkg configuration file

          if [ "$REDUCE_DOC" = true ] || [ "$REDUCE_MAN" = true ] ; then

            install_readonly files/dpkg/01nodoc "${ETC_DIR}/dpkg/dpkg.cfg.d/01nodoc"

          fi

          # Install APT configuration files

          install_readonly files/apt/02nocache "${ETC_DIR}/apt/apt.conf.d/02nocache"

          install_readonly files/apt/03compress "${ETC_DIR}/apt/apt.conf.d/03compress"

          install_readonly files/apt/04norecommends "${ETC_DIR}/apt/apt.conf.d/04norecommends"

          # Remove APT cache files

          rm -fr "${R}/var/cache/apt/pkgcache.bin"

          rm -fr "${R}/var/cache/apt/srcpkgcache.bin"

        fi

        # Remove all doc files

        if [ "$REDUCE_DOC" = true ] ; then

          find "${R}/usr/share/doc" -depth -type f ! -name copyright -print0 | xargs -0 rm || true

          find "${R}/usr/share/doc" -empty -print0 | xargs -0 rmdir || true

        fi

        # Remove all man pages and info files

        if [ "$REDUCE_MAN" = true ] ; then

          rm -rf "${R}/usr/share/man" "${R}/usr/share/groff" "${R}/usr/share/info" "${R}/usr/share/lintian" "${R}/usr/share/linda" "${R}/var/cache/man"

        fi

        # Remove all locale translation files

        if [ "$REDUCE_LOCALE" = true ] ; then

          find "${R}/usr/share/locale" -mindepth 1 -maxdepth 1 ! -name 'en' -print0 | xargs -0 rm -r

        fi

        # Remove hwdb PCI device classes (experimental)

        if [ "$REDUCE_HWDB" = true ] ; then

          rm -fr "/lib/udev/hwdb.d/20-pci-*"

        fi

        # Replace bash shell by dash shell (experimental)

        if [ "$REDUCE_BASH" = true ] ; then

          # Purge bash and update alternatives

          echo "Yes, do as I say!" | chroot_exec apt-get purge -qq -y --allow-remove-essential bash

          chroot_exec update-alternatives --install /bin/bash bash /bin/dash 100

        fi

        # Remove sound utils and libraries

        if [ "$ENABLE_SOUND" = false ] ; then

          chroot_exec apt-get -qq -y purge alsa-utils libsamplerate0 libasound2 libasound2-data

        fi

        # Remove GPU kernels

        if [ "$ENABLE_MINGPU" = true ] ; then

          rm -f "${BOOT_DIR}/start.elf"

          rm -f "${BOOT_DIR}/fixup.dat"

          rm -f "${BOOT_DIR}/start_x.elf"

          rm -f "${BOOT_DIR}/fixup_x.dat"

        fi

        # Remove kernel and initrd from /boot (already in /boot/firmware)

        if [ "$BUILD_KERNEL" = false ] ; then

          rm -f "${R}/boot/vmlinuz-*"

          rm -f "${R}/boot/initrd.img-*"

        fi

        # Clean APT list of repositories

        rm -fr "${R}/var/lib/apt/lists/*"

        chroot_exec apt-get -qq -y update

      fi

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				#
				# Reduce system disk usage
				#

				# Load utility functions
				. ./functions.sh

				# Reduce the image size by various operations
				if [ "$ENABLE_REDUCE" = true ] ; then
				if [ "$REDUCE_APT" = true ] ; then
				# Install dpkg configuration file
				if [ "$REDUCE_DOC" = true ] \|\| [ "$REDUCE_MAN" = true ] ; then
				install_readonly files/dpkg/01nodoc "${ETC_DIR}/dpkg/dpkg.cfg.d/01nodoc"
				fi

				# Install APT configuration files
				install_readonly files/apt/02nocache "${ETC_DIR}/apt/apt.conf.d/02nocache"
				install_readonly files/apt/03compress "${ETC_DIR}/apt/apt.conf.d/03compress"
				install_readonly files/apt/04norecommends "${ETC_DIR}/apt/apt.conf.d/04norecommends"

				# Remove APT cache files
				rm -fr "${R}/var/cache/apt/pkgcache.bin"
				rm -fr "${R}/var/cache/apt/srcpkgcache.bin"
				fi

				# Remove all doc files
				if [ "$REDUCE_DOC" = true ] ; then
				find "${R}/usr/share/doc" -depth -type f ! -name copyright -print0 \| xargs -0 rm \|\| true
				find "${R}/usr/share/doc" -empty -print0 \| xargs -0 rmdir \|\| true
				fi

				# Remove all man pages and info files
				if [ "$REDUCE_MAN" = true ] ; then
				rm -rf "${R}/usr/share/man" "${R}/usr/share/groff" "${R}/usr/share/info" "${R}/usr/share/lintian" "${R}/usr/share/linda" "${R}/var/cache/man"
				fi

				# Remove all locale translation files
				if [ "$REDUCE_LOCALE" = true ] ; then
				find "${R}/usr/share/locale" -mindepth 1 -maxdepth 1 ! -name 'en' -print0 \| xargs -0 rm -r
				fi

				# Remove hwdb PCI device classes (experimental)
				if [ "$REDUCE_HWDB" = true ] ; then
				rm -fr "/lib/udev/hwdb.d/20-pci-*"
				fi

				# Replace bash shell by dash shell (experimental)
				if [ "$REDUCE_BASH" = true ] ; then
				# Purge bash and update alternatives
				echo "Yes, do as I say!" \| chroot_exec apt-get purge -qq -y --allow-remove-essential bash
				chroot_exec update-alternatives --install /bin/bash bash /bin/dash 100
				fi

				# Remove sound utils and libraries
				if [ "$ENABLE_SOUND" = false ] ; then
				chroot_exec apt-get -qq -y purge alsa-utils libsamplerate0 libasound2 libasound2-data
				fi

				# Remove GPU kernels
				if [ "$ENABLE_MINGPU" = true ] ; then
				rm -f "${BOOT_DIR}/start.elf"
				rm -f "${BOOT_DIR}/fixup.dat"
				rm -f "${BOOT_DIR}/start_x.elf"
				rm -f "${BOOT_DIR}/fixup_x.dat"
				fi

				# Remove kernel and initrd from /boot (already in /boot/firmware)
				if [ "$BUILD_KERNEL" = false ] ; then
				rm -f "${R}/boot/vmlinuz-*"
				rm -f "${R}/boot/initrd.img-*"
				fi

				# Clean APT list of repositories
				rm -fr "${R}/var/lib/apt/lists/*"
				chroot_exec apt-get -qq -y update
				fi