Redhat resolv.conf changes disappear! Posted on 2015-07-20 | View 最近使用redhat 7.1 系统,改过resolv.conf,总是发现文件修改完,重启系统,文件又变成没有修改之前的状态了。 原来查出是NetworkManager在作怪。 http://totalcae.com/blog/2013/06/prevent-etcresolv-conf-from-being-blown-away-by-rhelcentos-after-customizing/