nrpe 执行命令报错NRPE: Unable to read output

在客户端编写的一个脚本check_ssh_auto.sh

#!/bin/bash

a=`/bin/cat /etc/ssh/sshd_config | grep PasswordAuthentication | grep -v "^#" | awk ‘{print $2}‘`

if [ "$a" = "yes" ]; then

    echo "SSH authentication: WARNING Please amend the warning SSH authentication for key authentication;"

    $(exit 1)

  else

    echo "SSH authentication: OK;"

    $(exit 0)

  fi

客户端执行正常

nagios服务器测试执行

/usr/local/nagios/libexec/check_nrpe -H 192.168.10.1 -c ssh_auth

提示NRPE: Unable to read output

解决方法

在客户端修改文件

vi /etc/sudoers

注视这行

#Defaults    requiretty

在root    ALL=(ALL)       ALL下面添加一行

nagios ALL=(ALL) NOPASSWD:/kuaibao/server/nagios/libexec/*

修改nrpe配置文件/usr/local/nagios/etc/nrpe.cfg

command[ssh_auth]=/usr/bin/sudo /kuaibao/server/nagios/libexec/check_ssh_auth.sh

重启nrpe

服务器端再次测试

SSH authentication: OK;

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nrpe 执行命令报错NRPE: Unable to read output

原文：http://xiao987334176.blog.51cto.com/2202382/1765397