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M 0 0# Automatic mounting when the mount-a command is executed4.3 create a file/Etc/inittabContent:: Sysinit:/etc/init. d/rcS: Askfirst:/bin/sh# TtyS0: 2345: respawn:/sbin/getty 115200 ttyS0 # I haven't figured it out yet: Ctrlaltdel:/sbin/reboot: Shutdown:/bin/umount-a-r: Restart:/sbin/init# Init process execution4.4 create a file/Etc/init. d/rcSContent:#! /Bin/shPATH =/bin:/sbin:/usr/bin:/usr/sbinRunlevel = SPrevlevel = NUmask 022Export PATH runlev

{New_init_action (Ctrlaltdel, "reboot", "" ");New_init_action (SHUTDOWN, "Umount-a-R", "");if (Enable_swaponoff)New_init_action (SHUTDOWN, "swapoff-a", "" ");New_init_action (RESTART, "Init", "");New_init_action (Askfirst, Bb_default_login_shell, "");Todo:vc_1 instead of "" "?", "is console, Cttyproblems, angry usersNew_init_action (Askfirst, Bb_default_login_shell, vc_2);New_init_action (Askfirst, Bb_default_login_shell, vc_3);New_init_action (Askfirst, Bb_default_login_shell, vc_4);New_init_ac

=/sbin:/bin:/usr/sbin:/usr/binRunlevel = sPrevlevel = NUmask 022Export path runlevel prevlevelEcho "---------- munt all ----------------"Mount-Echo/sbin/mdev>/proc/sys/kernel/hotplugMdev-SEcho "************************************** *********"Echo "***************** studying arm ******************** *"Echo "kernel version: linux-2.6.29.1"Echo "Student: Huang Xiaohai"Echo "Date: 2009.10.1"Echo "************************************** *********"/Bin/hos

path of the compiler here. (2) configure and compile the kernel module You can copy the friendly built-in configuration file in the kernel. Then execute: make menuconfigmake zImage (3) Compile the kernel module make modules ARCH=arm CROSS_COMPILE=arm-linux- (4) install the kernel module make modules_install ARCH=arm INSTALL_MOD_PATH=/opt/FriendlyARM/mini6410/rootfs 10. Create a configuration file under the etc directory A. Create the ETC/mdev. conf file. The content is blank.B. Copy the passwd

Build your own Linux 3 Preliminary improvement (providing network functions) 1 add profile file # Ash profile # VIM: syntax = sh # No core files by default # ulimit-s-c 0>/dev/null 2> 1 # user = "'id-UN'" // not supported yet user Login function, user = "root" LOGNAME = $ userps1 = '[$ user @ $ hostname $ PWD] #' // prompt Path = $ PATH hostname = '/ bin/hostname' // host name Export user LOGNAME PS1 path // export the environment variable2. Enrich the RFM File #! /Bin/sh Path =/sbin:/bin:/us

PATH =/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:Runlevel = SPrevlevel = NUmask 022Export PATH runlevel prevlevel ## Trap CTRL-C c only in this shell so we can interrupt subprocesses.#Trap ":" INT QUIT TSTP/Bin/hostname FriendlyARM /Bin/mount-n-t proc none/proc/Bin/mount-n-t sysfs none/sys/Bin/mount-n-t usbfs none/proc/bus/usb/Bin/mount-t ramfs none/dev Echo/sbin/mdev>/proc/sys/kernel/hotplug/Sbin/mdev-s/Bin/hotplug# Mounting file system specified

/lib$ CP-D/home/mxzh/smartphone/ww21/pxalinux/toolchain/arm-linux-4.1.1/ARM-iwmmxt-Linux-gnueabi/lib/LD *./$ CP/home/mxzh/smartphone/ww21/pxalinux/toolchain/arm-linux-4.1.1/ARM-iwmmxt-Linux-gnueabi/lib/libc. so.6 ./In this way, you can. (4) add commands and initialization scripts Copy the bin and sbin directories under the _ install directory generated by the compilation of busybox to the directory of the file system. For linuxrc, it is just a link instead of a copy. Add the/etc/init. d/RCS fil

$GatewayFiecho nameserver $DNS >/etc/resolv.confElseIf Grep-q "^/dev/root/nfs"/ETC/MTAB; ThenEcho-n NFS root ... >/dev/ttysac2Else/sbin/ifconfig eth0 192.168.253.12 netmask 255.255.255.0 upFiFiecho Done >/dev/ttysac2：Then save and exit Ifconfig-eth0 and use the chmod command to modify the Ifconfig-eth0 permissions: VimThen use the VI command under the INIT.D folder to create the RCS file:/home/cym/system/etc/init.dThen enter the following content in the RCS file:#! /bin/shPath=/sbin:/bin:/usr/s

Init.d folder, create a Ifconfig-eth0 file under the Init.d folder, and then enter the following content in the Ifconfig-eth0 file. Save and exit, modify the Ifconfig-eth0 file's permission bit 755.#!/bin/shEcho-n Try to bring eth0 interface Up......>/dev/ttysac2if [-f/etc/eth0-setting]; ThenSource/etc/eth0-settingIf Grep-q "^/dev/root/nfs"/ETC/MTAB; ThenEcho-n NFS root ... >/dev/ttysac2ElseIfconfig eth0 Downifconfig eth0 hw ether $MACIfconfig eth0 $IP netmask $Mask upRoute add default GW $Gate

restarting the shutdown:: Shutdown:/bin/umount-a-R3. Execute the/etc/init.d/rcs fileThis is a script file where you can add commands that you want to run automatically. The contents are as follows:#! /bin/shPath=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin:Runlevel=sPrevlevel=nUmask 022Export PATH runlevel Prevlevel# Network Configuration Script. /etc/init.d/network.sh# load Zlg_fsInsmod/bin/zlg_fs.koInsmod/bin/zlg_ffs.koMKNOD/DEV/ZLG_FSA B 125 0MKNO

The contents of the Etc/inittab file are: :: Sysinit:/etc/init.d/rcsS3c2410_serial0::askfirst:-/bin/sh:: Ctrlaltdel:-/sbin/reboot:: Shutdown:/bin/umount-a-R:: Restart:/sbin/init The contents of the Etc/profile file are: # Ash Profile# Vim:syntax=sh# No core Files by defaultUlimit-s-C 0 >/dev/null 2>1User= "' Id-un '"Logname= $USERPs1= ' [\u@\h \w]\# 'Path= $PATHHostname= '/bin/hostname 'Export USER LOGNAME PS1 PATHExport Ld_library_path=lib:/usr/l

/serviceschmod 600/etc/securitychmod 750/etc/#启动了nscd服务导致设置权限以后无法登陆chmod 750/ETC/RC6.Dchmod 750/tmpchmod 750/etc/rc0.d/chmod 750/etc/rc1.d/chmod 750/etc/rc2.d/chmod 750/etc/rc4.dchmod 750/etc/rc5.d/chmod 750/etc/rc3.dchmod 750/etc/rc.d/init.d/chmod 600/etc/grub.confchmod 600/boot/grub/grub.confchmod 600/etc/lilo.conf#检查用户umask设置Sed-i '/umask/s/002/077/'/ETC/CSH.CSHRCSed-i '/umask/s/002/077/'/ETC/BASHRCSed-i '/umask/s/002/077/'/etc/profilecsh_login=cat /etc/csh.login | grep -i "umask"If [-z] $csh