On Tue, 3 Dec 2019, Jonathan Billings wrote: > On Tue, Dec 03, 2019 at 01:17:53PM -0600, Michael Hennebry wrote: >> I only have ifcfg-lo , which I am pretty sure is the loopback interface. >> As expected, other files suggest eth0 is my ethernet connection. >> Should I add a one-line ifcfg-eth0 file? > > If you are using ethernet (and not a wireless device or some other > internet connectivity) you should have an ifcfg- file for the > interface. Look at the output of 'ip link' to see all the interfaces > you have configured. [root at localhost ~]# ip link 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: enp0s25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000 link/ether 00:23:7d:4d:98:89 brd ff:ff:ff:ff:ff:ff [root at localhost ~]# >> Currently I have >> # Generated by NetworkManager >> # search midcoip.net >> nameserver 2001:48f8:3004:2ce:5a19:f8ff:fe9e:a4bc >> nameserver 192.168.0.1 > Since there's no ifcfg file, I suspect you're using NetworkManager to > manage your network. ... I'm using the default I got when I installed centos 7. Was not aware of any alternatives. > ... Run 'nmcli con' to get a list of your network [root at localhost ~]# nmcli con NAME UUID TYPE DEVICE Wired connection 1 e4c3a05e-5f33-3ae8-af71-31b70ecf040b ethernet enp0s25 [root at localhost ~]# > connections, and then run 'nmcli con edit "Connection Name"' (replace > "Connection Name" with the name of your ethernet connection). You can > then set ipv4.ignore-auto-dns to 'yes' and then set ipv4.dns and > ipv4.dns-search. This should override what DHCP sets. [root at localhost ~]# nmcli con edit enp0s25 Error: Unknown connection 'enp0s25'. [root at localhost ~]# nmcli con edit eth0 Error: Unknown connection 'eth0'. [root at localhost ~]# nmcli con edit enp0s25 Error: Unknown connection 'enp0s25'. [root at localhost ~]# The last was a copy and paste. Would I still get leases from DHCP? Does DHCP set nameservers? Ideally, I'd like to override just search. >>> This is documented in /usr/share/doc/initscripts-*/sysconfig.txt >> >> I have /usr/share/doc/initscripts-9.49.47/sysconfig.txt only. > > I used the * as a glob, not a literal character. Sorry about that. I'd thought you meant that there was a whole set of them. -- Michael hennebry at web.cs.ndsu.NoDak.edu "Sorry but your password must contain an uppercase letter, a number, a haiku, a gang sign, a heiroglyph, and the blood of a virgin." -- someeecards