先生成和分发秘钥:
ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa
ssh-copy-id -i .ssh/id_dsa.pub centos2
ssh-copy-id -i .ssh/id_dsa.pub centos2
编写脚本 tiaoban.sh
#!/bin/sh function trapper(){ trap '' INT QUIT TSTP TERM HUB } function menu(){ cat <<EOF ==============Host List============== 2-centos2 3-centos3 0-Exit system ===================================== EOF } function host(){ case "$1" in 2) ssh $USER@centos2 ;; 3) ssh $USER@centos3 ;; 0) exit 0 esac } function main(){ while true do trapper clear menu read -p "Pls input your choice:" num host $num done } main