WARNING: The host '$hostname' could not be looked up with resolveip. (转)
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环境介绍：CentOS6.X
mysql版本：5.5.X以上
执行scripts/mysql_install_db脚本时，抛出一条Warning,主机名和IP地址无法解析；
The host ‘$hostname‘ could not be looked up with resolveip.
随即仔细检查了这个脚本文件
在327行至351行发现了这个告警信息的代码；
解决办法：
把主机名和IP对应关系写入/etc/hosts里面即可
#echo "172.27.1.78 mysql78" >> /etc/hosts
单独调用330行命令测试
# ./bin/resolveip mysql78
IP address of mysql78 is 172.27.1.78
至此这个问题就解决，如果不放心，可再次执行这个脚本做验证
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