Am 19.12.19 um 10:58 schrieb Zhengyu Pan: > Sorry. I sent wrong mailing group. > chattr not worked. It prompted: > Shutting down inteface eth0: chattr:Operation not permitted while setting > flags on /etc/resolv.conf.
the opposite is true it proves *that* it worked but waht can#t wrk i when you for whatever reason need or believe to ned the dynamic nameservers but that don't make sense anyways having dozens of namservers in /etc/resolv.conf with your wished ones at the bottom is useless because it won't be questioned at all as long the first in teh list are responding >> 2019年12月19日 下午5:28，Reindl Harald <h.rei...@thelounge.net> 写道： >> Am 19.12.19 um 10:01 schrieb Zhengyu Pan: >>> My OS is Centos7. I add a bash script dns.sh in >>> /etc/dhcp/dhclient-exit-hooks.d . The script content is >>> >>> #!/bin/bash >>> echo“nameserver1.1.1.1”>>/etc/resolv.conf >>> >>> I want to append a nameserver in /etc/resove.conf. >>> However, when I restart network. /etc/resove.conf not changed. >>> /etc/resove.conf.save append this line. >>> Why happens that? How can I append a nameserver in /etc/resove.conf? >> >> not a named qurstion at all, however >> >> becasue something overwrote /etc/resolv.conf after your script which >> maybe means your script runs way too early >> >> chattr +i /etc/resove.conf under normal conditions >> >> chattr -i /etc/resove.conf at the start of your script >> chattr +i /etc/resove.conf at the end of your script >> >> https://www.tecmint.com/chattr-command-examples/ >> >> this is a supported way to prevent resolv.conf overwritten by whatever >> stuff running on the system, be it dhclient, networkmanager or another >> smartass stuff which lives in a authistic world pretend to know what my >> nameservers are _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
