自动挂载U盘
现在Kernel中一般都有udev mdev.在U盘接入后会自动升成节点/dev/sd*[0,9] ,不过在udev配置文件中并没有挂载到目录,仅生成了设备节点. 这时可以自已写个脚本来实现
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#!/bin/sh if [ ! -f "/dev/sda1" ]; then mount /dev/sda1 /udisk -t vfat fi #按理说修改udev的配置文件才是最好的选择.在这里只挂载了指定设备,并只支持fat32 |
自用的开机检测脚本
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#!/bin/sh liveFile=liveRtspServer decoderFile=decoder filepath=/root/ updatapath=/udisk/ configFile=/root/config.json # 判断文件是否存在 checkFile(){ if [ -e $1 ]; then echo "$1 ready" return 0 else echo "$1 not ready" return 1 fi } # 判断两个文件是否相同 diffFile(){ diff $1 $2 > /dev/null if [ $? == 0 ]; then echo "Both file are same" return 1 else echo "Both file are different" return 0 fi } # 检测升级文件 audoUpdata(){ # 检测U盘里的升级文件 updataFile="${updatapath}${liveFile}" checkFile $updataFile fileReady1=$? if [ 1 == $fileReady1 ]; then updataFile="${updatapath}${decoderFile}" checkFile $updataFile fileReady1=$? if [ ! 0 == $fileReady1 ]; then # echo "not find updata file exit.." return 0 else localFile="${filepath}${decoderFile}" fi else localFile="${filepath}${liveFile}" fi diffFile $updataFile $localFile if [ 0 == $? ]; then echo "upgrade file..." rm "${filepath}${decoderFile}" rm "${filepath}${liveFile}" cp $updataFile $filepath fi } #读取json变量值 $1 文件名 $2变量名 getJsonval(){ str=$(grep \"$2\" $1) #找到变量所在的行 "xx": "ss:x,s", str=${str#*:} #裁减掉第一个冒号前所有内容 "ss:x,s", str=${str#*\"} #裁减掉第一个双引号前所有内容 ss:x,s", str=${str%,} #如果最后一个逗号，则删除 ss:x,s" str=${str%\"*} #裁减最后一个双引号后所有内容 ss:x,s echo $str } # 检查IP合法 checkip(){ IP=$1 VALID_CHECK=$(echo $IP|awk -F. '$1<=255&&$2<=255&&$3<=255&&$4<=255{print "yes"}') if echo $IP|grep -E "^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$">/dev/null; then if [ ${VALID_CHECK:-no} == "yes" ]; then return 0 else return 1 fi else return 1 fi } ################# 加载海思驱动MPP文件 ################ export LD_LIBRARY_PATH="/usr/local/lib:/usr/lib:/root/lib" echo ======================= LOAD HISICON MPP ====================== cd /root/ko/ ./load3520dv300 -i cd /root/ ################# 挂载U盘并检查升级文件 ################ echo ======================= CHECK U DISK ====================== if [ -e "/dev/sda1" ]; then mount /dev/sda1 /udisk -t vfat audoUpdata fi ################# 检查IP MAC等配置 ################### echo ======================= CHECK IP CONFIG ====================== dhcp=$(getJsonval $configFile ipmode) if [ "true" == $dhcp ];then echo config eth0 to dhcp mode!! udhcpc -i eth0 else ip=$(getJsonval $configFile ip) mac=$(getJsonval $configFile mac) gateway=$(getJsonval $configFile gateway) checkip $ip if [ 1 == $? ];then echo IP address error! reset to 192.168.10.168 ip="192.168.10.168" fi checkip $gateway if [ 1 == $? ];then echo gateway address error! reset to 192.168.10.1 gateway="192.168.10.1" fi macok=$(echo $mac | grep "[A-Fa-f0-9][A-Fa-f0-9]:[A-Fa-f0-9][A-Fa-f0-9]:[A-Fa-f0-9][A-Fa-f0-9]:[A-Fa-f0-9][A-Fa-f0-9]:[A-Fa-f0-9][A-Fa-f0-9]:[A-Fa-f0-9][A-Fa-f0-9]") if [ ! $macok ]; then echo mac error! set to default! mac="52:54:00:69:ac:fd" fi echo configure eth0 ... ifconfig eth0 hw ether ${mac}; ifconfig eth0 $ip netmask 255.255.255.0; route add default gw $gateway fi telnetd & ################# 启动程序 ################### echo ======================= START APP ====================== checkFile ${filepath}${decoderFile} if [ 0 == $? ]; then nohup ${filepath}${decoderFile} >/dev/null & else nohup ${filepath}${liveFile} >/dev/null & fi echo ======================= DONE ====================== |