小翼的绿茵场

<br />#!/bin/sh NOW=`date +"%s"` echo $NOW BEFORE=`expr 1 /* 24 /* 60 /* 60` echo $BEFORE DELDATE=`expr $NOW - $BEFORE` echo $DELDATE STRDELDATE=`date -d "1970-01-01 UTC $DELDATE seconds" +"%Y%m%d"` echo $STRDELDATE

<br />#!/bin/sh #Using this script can test the connection of the hosts listed by HOSTFILE #Author: Ivan ZHANG #E-Mail: zhangyi01@newstepinfo.cn # HOSTFILE=host.txt RESULTFILE=result.log TEMPFILE=ping.txt CHECKDATE=`date +"[%F %R]"` echo "st

<br />假设A，B两服务器，现在需要在A机上用root登陆B机，而不需要输入密码，那我们可按照下面的步骤来做：<br />1.输入命令：ssh-keygen -t rsa<br />　　Generating public/private rsa key pair.<br />　　Enter file in which to save the key (/root/.ssh/id_rsa): /root/.ssh/id_rsa<br />　　Enter passphrase (empty for no p