[arch-general] manually configure network

[mick howe]

thank you, I now can make sense of most of what to do. DNS isn't working if
I try to go through the new modem but that is an issue with the ISP and
configuring the modem once I get the password for the account.



On 13 July 2017 at 03:43, Rich <rich-mail at octoxol.com> wrote:

>
>
> On 07/12/2017 10:29 PM, mick howe via arch-general wrote:
>
>> On 13 July 2017 at 01:17, Mrrob <rob at mrrob.info> wrote:
>>
>> On 13/07/17 07:09, mick howe via arch-general wrote:
>>>
>>> I've just changed ISP and I can't get the changed configuration to stick.
>>>>
>>>> I'm using 'static IP address - manual assignment' from Network
>>>> configuration wiki page.
>>>>
>>>> I need to change my address from 192.168.1.0/24 to 192.168.20.1/24.
>>>>
>>>> using iproute2 tools as per wiki I can get everything working UNTIL I
>>>> reboot, at which time some of the settings show the old values and
>>>> others
>>>> the new.
>>>>
>>>> I've been manually configuring these settings without problems since I
>>>> started using linux in 1994.
>>>>
>>>>
>>>>
>>>> I assume that (as well as changing ISPs) you have changed your router
>>> and
>>> it has a different internal range to the old one.
>>>
>>> ​Correct, and the ISP failed to include modem password in the box.
>>
>>
>>
>>> If you have an IP address automatically after booting then something is
>>> bringing up the network automatically. Assuming your Arch install is
>>> newer
>>> than 2013 then I would expect you've configured netctl to manage the
>>> interface.
>>>
>>> ​I had to reinstal when I moved in April 2013, would have used the
>> simplest
>> manual method
>> ​
>>
>>
>> Look in /etc/netctl
>>>
>>>   [mick at cave ~]$ ls -aR /etc/netctl/etc/netctl:
>> .  ..  examples  hooks  interfaces
>>
>> /etc/netctl/examples:
>>> .             ethernet-static tunnel     wireless-wpa
>>> ..            macvlan-dhcp  tuntap     wireless-wpa-config
>>> bonding  macvlan-static vlan-dhcp wireless-wpa-configsection
>>> bridge    mobile_ppp      vlan-static    wireless-wpa-static
>>> ethernet-custom  openvswitch      wireless-open
>>> ethernet-dhcp
>>> ​  ​
>>> pppoe
>>> ​   ​
>>> wireless-wep
>>>
>>> /etc/netctl/hooks:
>>> .  ..
>>>
>>> /etc/netctl/interfaces:
>>> .  ..
>>>
>>>
>>
>>
>> and
>>>
>>> $ systemctl list-unit-files --state=enabled
>>>
>>>   [mick at cave ~]$ systemctl list-unit-files --state=enabled
>>>
>> UNIT FILE                             STATE
>> org.cups.cupsd.path                   enabled
>> autovt at .service                       enabled
>> dbus-org.freedesktop.network1.service enabled
>> dbus-org.freedesktop.resolve1.service enabled
>> display-manager.service               enabled
>> getty at .service                        enabled
>> httpd.service                         enabled
>> lxdm.service                          enabled
>> nmbd.service                          enabled
>> openntpd.service                      enabled
>> org.cups.cupsd.service                enabled
>> postgresql.service                    enabled
>> smbd.service                          enabled
>> systemd-networkd.service              enabled
>> systemd-resolved.service              enabled
>> org.cups.cupsd.socket                 enabled
>> systemd-networkd.socket               enabled
>> remote-fs.target                      enabled
>>
>> 18 unit files listed.
>> lines 1-21
>> ​is blahbluhblah​network1.service the guilty party or is it
>> systemd-networkd.service?
>>
>> what am I looking for in these?
>>
>>
>> This is the wiki page for the network manager you are using:
> systemd-networkd https://wiki.archlinux.org/index.php/Systemd-networkd
>
> --Rich
>