Shell Script--03 Instance

1. Architecture 2. Front 2.1 Free Questions

The public key confirmation prompt pops up when the server is first connected. Causes an automated task to be interrupted due to the initial connection to the server.

The stricthostkeychecking configuration of the SSH client enables the new public key to be automatically received when the server is first connected.

　　　　

vi /etc/ssh/~]#  ssh ip-ouserknownhostsfile=/dev/null - Ostricthostkeychecking=no

3. Script 3.1Server 3.2Master 3.3Agent

Modify the Master,agent property IP in Agent.json

Suppose you want to add

Master 1.1.1.1 instead of 1.1.1.2

Agent 1.1.1.11 Change to 1.1.1.12

#!/bin/Bash

Dos2unix Agent.jsonmaster=1.1.1.1Agent=1.1.1.11 forIpinch$(CatAgent.json |grepIP |sed 's/://g'|awk '{print$2}'|sed 's/"//g'|sed 's/,//g'); Do    if[${ip} = =${master}] Then　　　　 EchoChange Mastersed-I."s/${ip}/$1/g"Agent.jsonelif[${ip} = =${agent}] Then          EchoChange agentsed-I."s/${ip}/$2/g"Agent.jsonfi Done

$./ip.sh 1.1.1.2 1.1.1.12

4. Other

Shell Script--03 Instance