/********************************************************************************* * Buildroot 打包文件系统流程跟踪 * 说明： * 之前在使用Buildroot过程中，发现其自身生成的rootfs.tar.bz2文件系统可以正常运行 * 但自己使用命令打包的文件系统就有问题，于是跟一下其脚本运行的输出信息，原来使用到 * 了fakeroot来模拟root权限。 * * 2017-10-11 深圳 南山平山村 曾剑锋 ********************************************************************************/一、输出信息分析： [7m>>> Finalizing target directory[27m rm -f /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/glib-2.0/schemas/*.xml /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/glib-2.0/schemas/*.dtd /home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/glib-compile-schemas /home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/arm-buildroot-linux-gnueabi/sysroot/usr/share/glib-2.0/schemas --targetdir=/home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/glib-2.0/schemas No schema files found: doing nothing. PYTHONPATH="/home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/python3.5/sysconfigdata/:/home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/python3.5/site-packages/" /home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/python3.5 support/scripts/pycompile.py /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/python3.5 find /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/python3.5 -name '*.py' -print0 | xargs -0 --no-run-if-empty rm -f find /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/python3.5 -name '*.opt-1.pyc' -print0 -o -name '*.opt-2.pyc' -print0 | xargs -0 --no-run-if-empty rm -f # 创建etc目录 mkdir -p /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc # 创建hostname目录 echo "AplexOS" > /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/hostname # 使用sed对文件进行操作 /bin/sed -i -e '$a \127.0.1.1\tAplexOS' -e '/^127.0.1.1/d' /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/hosts mkdir -p /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc # 登录前欢迎语句 echo "Welcome to AplexOS" > /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/issue # 创建network目录 mkdir -p /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/network/ # 设置loopback设备，这也就是为什么interfaces如果这里不进行修改，每次都会被修改的原因 ( echo "# interface file auto-generated by buildroot"; echo ; echo "auto lo"; echo "iface lo inet loopback"; ) > /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/network/interfaces # 设置eth0设备 ( echo ; echo "auto eth0"; echo "iface eth0 inet static"; echo " address 192.168.1.202"; echo " netmask 255.255.255.0"; echo " broadcast 0.0.0.0"; echo " gateway 192.168.1.1"; ) >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/network/interfaces /usr/bin/install -m 0755 -D package/skeleton//nfs_check /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/network/nfs_check # 生成root账户及密码 /bin/sed -i -e s,^root:[^:]*:,root:"`/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/mkpasswd -m "md5" "aplex"`":, /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/shadow # debug port /bin/sed -i -e '/# GENERIC_SERIAL$/s~^.*#~console::respawn:/sbin/getty -L console 0 vt100 #~' /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/inittab # 修改inittab文件 /bin/sed -i -e '/^#.*-o remount,rw \/$/s~^#\+~~' /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/inittab rm -f /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/locales.nopurge for i in C en_US locale-archive; do echo $i >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/locales.nopurge; done for dir in /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/locale; do for langdir in $dir/*; do if [ -e "${langdir}" ]; then grep -qx "${langdir##*/}" /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/locales.nopurge || rm -rf $langdir; fi done; done if [ -d /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/X11/locale ]; then for lang in C en_US; do if [ -f /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/X11/locale/$lang/XLC_LOCALE ]; then echo "$lang/XLC_LOCALE: $lang"; fi done > /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/X11/locale/locale.dir; fi rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/include /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/aclocal \ /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/pkgconfig /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/pkgconfig \ /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/cmake /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/cmake find /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/{lib,share}/ -name '*.cmake' -print0 | xargs -0 rm -f find /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/lib/ /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/lib/ /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/libexec/ \ \( -name '*.a' -o -name '*.la' \) -print0 | xargs -0 rm -f rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/gdb rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/bash-completion rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/zsh rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/man /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/man rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/info /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/info rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/doc /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/doc rm -rf /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share/gtk-doc rmdir /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/usr/share 2>/dev/null || true find /home/zengjf/zengjfos/buildroot-2017.02.3/output/target -type f \( -perm /111 -o -name '*.so*' \) -not \( -name 'libpthread*.so*' -o -name 'ld-*.so*' -o -name '*.ko' \) -print0 | xargs -0 /home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/arm-buildroot-linux-gnueabi-strip --remove-section=.comment --remove-section=.note 2>/dev/null || true find /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/lib/ -type f -name 'libpthread*.so*' | \ xargs -r /home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/arm-buildroot-linux-gnueabi-strip --remove-section=.comment --remove-section=.note --strip-debug find /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/lib/ -type f -name 'ld-*.so*' | \ xargs -r /home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/arm-buildroot-linux-gnueabi-strip --remove-section=.comment --remove-section=.note --strip-debug # 检查一些库的存在 test -f /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/ld.so.conf && \ { echo "ERROR: we shouldn't have a /etc/ld.so.conf file"; exit 1; } || true test -d /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/ld.so.conf.d && \ { echo "ERROR: we shouldn't have a /etc/ld.so.conf.d directory"; exit 1; } || true mkdir -p /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc ( \ echo "NAME=Buildroot"; \ echo "VERSION=2017.02.3"; \ echo "ID=buildroot"; \ echo "VERSION_ID=2017.02.3"; \ echo "PRETTY_NAME=\"Buildroot 2017.02.3\"" \ ) > /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/etc/os-release [7m>>> Generating root filesystem image rootfs.tar[27m rm -f /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs rm -f /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM rm -f /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_users_table.txt echo '#!/bin/sh' > /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs echo "set -e" >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs echo "chown -h -R 0:0 /home/zengjf/zengjfos/buildroot-2017.02.3/output/target" >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs printf ' sshd -1 sshd -1 * - - - SSH drop priv user\n ftp -1 ftp -1 * /home/ftp - - Anonymous FTP User\n\n' >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_users_table.txt PATH="/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/bin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/sbin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/sbin:/home/bin:/home/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/zengjf/zengjfos/buildroot-2016.08/output/host/opt/ext-toolchain/bin::/home/zengjf/zengjfos/AplexOS/git-repo:/home/linux/pycharm-community-2017.1.3/bin" /home/zengjf/zengjfos/buildroot-2017.02.3/support/scripts/mkusers /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_users_table.txt /home/zengjf/zengjfos/buildroot-2017.02.3/output/target >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs cat system/device_table.txt > /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_device_table.txt printf ' /bin/busybox f 4755 0 0 - - - - -\n /dev/console c 622 0 0 5 1 - - -\n\n' >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_device_table.txt echo "/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/makedevs -d /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_device_table.txt /home/zengjf/zengjfos/buildroot-2017.02.3/output/target" >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs # 这里很重要，因为这里可以将target中的内容打包进入rootfs.tar中去 printf ' (cd /home/zengjf/zengjfos/buildroot-2017.02.3/output/target; find -print0 | LC_ALL=C sort -z | tar -cf /home/zengjf/zengjfos/buildroot-2017.02.3/output/images/rootfs.tar --null --no-recursion -T - --numeric-owner)\n' >> /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs # 给_fakeroot.fs加执行权限 chmod a+x /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs # 用fakeroot执行_fakeroot.fs PATH="/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/bin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/sbin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/sbin:/home/bin:/home/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/zengjf/zengjfos/buildroot-2016.08/output/host/opt/ext-toolchain/bin::/home/zengjf/zengjfos/AplexOS/git-repo:/home/linux/pycharm-community-2017.1.3/bin" /home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin/fakeroot -- /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs rootdir=/home/zengjf/zengjfos/buildroot-2017.02.3/output/target table='/home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_device_table.txt' # 相当于拷贝，同时可以设定权限 /usr/bin/install -m 0644 support/misc/target-dir-warning.txt /home/zengjf/zengjfos/buildroot-2017.02.3/output/target/THIS_IS_NOT_YOUR_ROOT_FILESYSTEM # 使用bzip2进行压缩 PATH="/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/bin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/sbin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/bin:/home/zengjf/zengjfos/buildroot-2017.02.3/output/host/usr/sbin:/home/bin:/home/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/home/zengjf/zengjfos/buildroot-2016.08/output/host/opt/ext-toolchain/bin::/home/zengjf/zengjfos/AplexOS/git-repo:/home/linux/pycharm-community-2017.1.3/bin" bzip2 -9 -c /home/zengjf/zengjfos/buildroot-2017.02.3/output/images/rootfs.tar > /home/zengjf/zengjfos/buildroot-2017.02.3/output/images/rootfs.tar.bz2二、fakeroot使用： 1. 参考命令：fakeroot -- /home/zengjf/zengjfos/buildroot-2017.02.3/output/build/_fakeroot.fs 2. cd && fakeroot -- tar jcvf rootfs.tar.bz2 *