Jun 28, 2019 · On my Fedora 29 and RHEL 8 /etc/resolv.conf is still used for listing the nameservers. Same for my PureOS, Alpine, TinyCore and Atomic Host… My Ubuntu 16.04 LTSB and 18.04 LTSB have 127.0.0.1 and 127.0.0.53 respectively. Reply
Jan 23, 2020 · RHEL 7.5 By default, the resolv.conf file is managed by the NetworkManager service. The service then populates the file with DNS servers provided by DHCP. You can stop NetworkManager from managing the resolv.conf file, which makes sure that the DNS servers provided by DHCP are ignored. In CentOS or Red Hat Enterprise Linux (RHEL) 7, you can find your /etc/resolv.conf file, which holds all nameserver configurations for your server, to be overwritten by the NetworkManager. If you check the content of /etc/resolv.conf, it may look like this. $ cat /etc/resolv.conf # Generated by NetworkManager search mydomain.tld nameserver 8.8.8.8 May 10, 2015 · Long ago, you could setup a Linux box and edit the /etc/resolv.conf file knowing the changes would stick. That made it incredibly simple to manage what DNS servers would be used by the machine. The script reads the nameservers and the search domains that it finds in /etc/resolv.conf, creates the config files in /etc/dnsmasq.d based on them and then rewrites a new /etc/resolv.conf with a new configuration. The problem I have is that at a service restart for NetworkManager, the script seems to run on predefined version of /etc/resolv.conf. NetworkManager is not changing /etc/resolv.conf after openvpn dns push 2 Are there good reasons not to disable /etc/init.d/network on centos-7 in favor of exclusively using NetworkManager?
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Put the DNS servers' IP addresses into either your resolv.conf file or your ifcfg-eth
Jun 09, 2016 · If the behavior (hostname change triggers a resolv.conf update) is a problem for you, then you have a similar problem in other cases as well. If you don't want NetworkManager to touch resolv.conf, configure it not to do so. NM manages resolv.conf on RHEL-7.3, because it is supposedly/arbuably best for many scenarious.
When my CentOS virtual machine boots it uses DHCP to get an IP address. It also overwrites resolv.conf with the DNS settings provided by the DHCP server. The DHCP server doesn't supply any search domains so I would like to get dhclient to put in a list of search domains when it writes it. How can I configure dhclient to do this? I deleted both the resolvconf folder and the resolv.conf file in /etc by mistake, assuming that resolvconf was causing UCK to fail. Now the application has upgraded, fixing the issue, but it says no file named resolv.conf in /etc. What it says is correct because I deleted those files. I found this the simplest fix. If you have resolv.conf and resolvconf files they will step on one another. You need to remove the resolv.conf file that get and overwrite every time you do a reboot. Put the nameserver 1.1.1.1 1.0.0.1 at the bottom of the resolvconf file and then run. sudo rm /etc/resolv.conf To get rid of the file. Aug 31, 2016 · The only thing that's missing is /etc/resolv.conf, so edit that and put a single line 'nameserver=your.dns.server.ip' in it. Restart the computer. You'll see that your manual resolv.conf configuration has been overwritten. Curiously enough, this only happens once. Re-edit your /etc/resolv.conf and reboot again, everything's OK. Hence my surprise.