Linux面试题（一）：删除一个目录下的所有文件，但保留一个指定文件
假设这个目录是/shnne/，里面有log1,log2,log3..log10 十个文件[root@shnne shnne]# touch log{1..10}
[root@shnne shnne]# ls
log1 log10 log2 log3 log4 log5 log6&n...
keepalived安装配置
1.安装前准备环境：Linux 2.6.32-642.el6.x86_64 #1 SMP Tue May 10 17:27:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux下载wget http://www.keepalived.org/software/keepalived-1.1.20.tar.gzln -s /usr/src/kernels/2.6.32-696.16.1.el6.x86_64/ /usr/src/linux...
监测网站目录是否有篡改
方法一：md5sum
[root@shnne scripts]# cat diffpro.sh
#!/bin/sh
path=/server/scripts/cuangai
[ ! -d $path ] && mkdir -p $path
[ ! -f $path/diff.log...
打印下面不大于6的单词
[root@shnne ~]# cat liu.log
I am shnne welcome to my blog.
[root@shnne ~]# cat liu.sh
#!/bin/sh
array=($(cat liu.log))
for((i=0;i<${#array[@]};i++))
do...
监测MySQL主从同步shell脚本
1.
[root@shnne ~]# cat slave_check.sh
#!/bin/sh
while true
do
flag=0
array=($(egrep "_Running|Behind_Master" slave.log|awk '{print $NF}'))
for&nb...
continue,break,exit小例子
[root@shnne ~]# vim test.sh
#!/bin/sh
for ((i=0; i<=5; i++))
do
if [ $i -eq 3 ]
then
#contin...
shell批量修改文件名方法
1.
创建
[root@shnne ~]# cat mk.sh
#!/bin/sh
for((i=1; i<=10; i++))
do
j=`cat /dev/urandom|head -1|md5sum|cut -c 1-5`
touch shnne/${j}_shnne_$i.html
don...
for小练习
通过for循环打印5 4 3 2 1[root@shnne ~]# cat for1.sh
#!/bin/sh
for i in 5 4 3 2 1
do
echo $i
done
[root@shnne ~]# cat for2.sh
#!/bin/sh
f...
while计算小练习
[root@shnne ~]# cat sum_*
#!/bin/sh
sum=0
i=1
while [ $i -le 100 ]
do
let sum=sum+i
let i=i+1
done
echo $sum
#!/bin/sh
sum=0
i=1
while ((i&...
shell编写rsync启动脚本
[root@shnne ~]# cat rsync_start.sh
#!/bin/bash
# chkconfig: 2345 58 80
# description: start and stop service for rsync
. /etc/init.d/functions
RSYNCBIN=&q...