python小实例

#!/usr/bin/python

import os
import re


hosts = open('/home/haoren/serverlist.ini')
for line in hosts:
    if re.search('=',line):
        ip = line.split('=')[1].strip() 
        hostname = os.popen('ssh %s hostname' % ip).readline().strip()
        print "%s:%s" % (hostname,ip)
hosts.close() 



==============================================

#!/bin/sh
#增大UDP缓冲区


echo "" >> /etc/sysctl.conf
echo "# Add UDP BUF" >> /etc/sysctl.conf
echo "net.core.rmem_default=262144" >> /etc/sysctl.conf
echo "net.core.wmem_default=262144" >> /etc/sysctl.conf
echo "net.core.rmem_max=4194304" >> /etc/sysctl.conf
echo "net.core.wmem_max=4194304" >> /etc/sysctl.conf


/sbin/sysctl -p