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| 关键词： nbsp curser echo root bak etc userdata bash date service |
没事在看linux面试题写了一些小脚本都测试通过了，发到博客中交流交流。多目录的创建#!/bin/bash mkdir /root/userdata echo "userdata create success" for ((i=1; i<=50; i=i+1)) do mkdir "/root/userdata/user$i" chmod 754 "/root/userdata/user$i" echo "user$i create success" done 最小系统初始化程序 #set ulimit echo "ulimit -SHn 102400">> /etc/rc.local for i in `ls /etc/rc3.d/S*` do curser=`echo $i|cut -c 15-` echo $curser case $curser in crond | irqbalance | microcode_ctl|network|random|sshd|syslog|local) echo "base serverice,Skip!" ;; *) echo "change $curser to off" chkconfig --level 235 $curser off service $curser stop ;; esac done echo "service is init is ok............." 文件备份#!/bin/bash bak=`ls /root|grep bak` if [ -z "$bak" ];then mkdir /root/bak fi cd /root/bak yy=`date +%C%y` mm=`date +%m` dd=`date +%d` tar zcvf "$yy$mm$dd_etc.tar.gz" /etc 用户添加#!/bin/bash nu=30 for ((i=1; i<=$nu; i=i+1)) do if [ $i -ge 10 ];then echo $i userdel std$i #useradd -G class1 "std$i" #echo 12345|passwd --stdin "std$i" else echo 0$i userdel std0$i #useradd -G class1 "std0$i" #echo 12345|passwd --stdin "std0$i" fi done echo "任务完成" lvs脚本#!/bin/bash TEST_VIP= TEST_RIP1= TEST_RIP2= . /etc/rc.d/init.d/functions logger $0 called with $1 case "$1" in start) #set vip /sbin/ipvsadm --set 30 5 6 /sbin/ifconfig eth0:0 $TEST_VIP broadcast $TEST_VIP netmask 255.255.255.255 broadcast $TEST_VIP up /sbin/route add -host $TEST_VIP dev eth0:0 /sbin/ipvsadm -A -t $TEST_VIP:80 -s wrr /sbin/ipvsadm -a -t $TEST_VIP:80 -r $TEST_RIP1:80 -g -w 2 /sbin/ipvsadm -a -t $TEST_VIP:80 -r $TEST_RIP2:80 -g -w 1 touch /var/lock/subsys/ipvsadm > /dev/null 2>&1 |
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