Linux批量創建主機信任關係 1.實現環境: 本機redhat6.3 32位的操做系統 2.實現目的: 對其餘主機作信任,使本機登陸其餘主機不須要輸入密碼 3.實現過程: 1)先在本機用ssh-keygen -t rsa生成公鑰,生成~/.ssh/id_rsa.pub公鑰文件 2)安裝軟件包sshpass-1.04.tar.gz tar -zxvf sshpass-1.04.tar.gz cd sshpass-1.04 ./configure make && make install 3)把 StrictHostKeyChecking no加到/etc/ssh/ssh_config能夠讓ssh客戶端自動接受新主機的hostkey,不用每次在ssh新主機時都本身輸入yes 4)編寫hostlist文件,裏面列舉了主機名(ip地址)和主機密碼(主機名和密碼之間用空格隔開),一行內只有一對主機名和密碼 5)執行批量創建主機信任關係的腳本trusthost.sh #!/bin/bash #author:cq #date:06-04-2013 hosts=`sed '/^#/d' ~/trusthost/hostlist | awk '{print $1}'` id=`cat ~/.ssh/id_rsa.pub` for host in $hosts do ping -c 2 -W 1 $host if [ $? = 0 ] then passwd=`awk /$host/'{print $2}' ~/trusthost/hostlist` sshpass -p "$passwd" ssh $host "echo $id >>~/.ssh/authorized_keys" else echo "$host is lost" >~/trusthost/ssh.log fi done