从apnic提取ip信息脚本分享

#!/bin/bash

# download from apnic
rm -f delegated-apnic-latest
wget http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest 
# IPs allocated to china.
grep 'apnic|CN|ipv4|' delegated-apnic-latest | cut -f 4 -d'|' > delegated-apnic-CN
# get detail of echo IP from apnic database.
rm -f apnic_CN.txt
while read ip
do
    # query apnic database
    echo "query who is $ip"
    whois -h whois.apnic.net $ip > tmp.txt
    grep inetnum  tmp.txt >> apnic_CN.txt          # IP range
    grep netname  tmp.txt >> apnic_CN.txt          # netname which include sp information  
    grep descr    tmp.txt >> apnic_CN.txt          # description which include province information
    echo ""  >> apnic_CN.txt           
done < delegated-apnic-CN
# clean up
rm -f tmp.txt
rm -f delegated-apnic-latest
rm -f delegated-apnic-CN

mysql源码安装脚本分享
#!/bin/bashPATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/binexportPATHclear;SysName=""SysBit=""CpuNum=""RamTotal=""RamSwap=""FileMax=""MysqlVersion="Percona-Server-5.6.15-rel63.0

使用curl递归下载软件脚本分享
#!/bin/envbashPATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbinexportPATHclearUrl="http://mirrors.cnnic.cn/apache/"DownListFile="/tmp/downlist.txt"DownListTmpFile="/tmp/tmplist.txt"Dow

Shell编程之Shell变量学习总结
一、变量操作A.变量显示、打印语法：echo$varB.变量设置语法：var=value变量的设置规则：1．变量两端不能直接接空格符2．变量名称只能是因为字母与数