On 08/18/18 17:17, Jonathan Ryshpan wrote: > This is surely correct and explains a number of things that I've noticed. > $ cat /etc/resolv.conf > # Generated by NetworkManager > search tew-818dru > nameserver 192.168.10.1 > I suspect that the domain tew-818dru is maintained by Trendnet. In any case changes > that I've made to the router setup have no effect on it That seems odd to me. First, my DHCP server doesn't supply Domain Name This option specifies the domain name that client should use when resolving hostnames via the Domain Name System. The code for this option is 15. in its reply as shown earlier. And I went to http://www.trendnet.com/emulators/TEW-818DRU_v1/basic/home.htm?expandable=0 ; and didn't find a place to specify a domain name. (Maybe I didn't look carefully enough) My search option gets set based on the assigned hostname. [root@f28k-b1 ~]# cat /etc/resolv.conf # Generated by NetworkManager search greshko.com nameserver 192.168.1.1 nameserver 2001:b030:112f::1 [root@f28k-b1 ~]# hostnamectl set-hostname f28k-b1.gres.com [root@f28k-b1 ~]# cat /etc/resolv.conf # Generated by NetworkManager search gres.com nameserver 192.168.1.1 nameserver 2001:b030:112f::1 [root@f28k-b1 ~]# hostnamectl set-hostname f28k-b1.greshko.com [root@f28k-b1 ~]# cat /etc/resolv.conf # Generated by NetworkManager search greshko.com nameserver 192.168.1.1 nameserver 2001:b030:112f::1 What is the output of hostnamectl on your system?
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