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.
> 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 如果您错误接收了该邮件，请通过电子邮件立即通知我们。请回复邮件到 hqs-s...@chinaunicom.cn，即可以退订此邮件。我们将立即将您的信息从我们的发送目录中删除。 If you have received this email in error please notify us immediately by e-mail. Please reply to hqs-s...@chinaunicom.cn ,you can unsubscribe from this mail. We will immediately remove your information from send catalogue of our. _______________________________________________ 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
