[CentOS] From Networkmanager to self managed configuration files

Wed Mar 8 11:12:06 UTC 2017
Giles Coochey <giles at coochey.net>

On 08/03/17 11:10, James Hogarth wrote:
> On 8 March 2017 at 10:58, Giles Coochey <giles at coochey.net> wrote:
>> On 08/03/17 10:52, John Hodrien wrote:
>>> It means you're stuck in your own hand crafted niche.  Which is fine, but
>>> it's
>>> up to you to maintain the niche, or you find yourself using obsolete tools
>>> like ifconfig and route.
>>> I'd argue there's a gulf between keeping things simple and doing things
>>> your
>>> own way.
>> I'm sure there are drop in replacements for ifconfig and route, but even if
>> deprecated I have not needed to revisit that script for many years, so I'm
>> not changing it.
>> When it does eventually break I have to look at four lines to discover where
>> the problem might be, I can troubleshoot it by trying to run each line
>> manually and see what is going on.
>> When qw hit a bug in NetworkManager that breaks something specific that
>> you're doing then you can try to raise a bug with upstream, or you could try
>> to review the thousands of lines of code that make it up and try to fix the
>> problem yourself.
>> Or perhaps you'll do what I did, remove it and put in a 4 line script.
> That's nice ... but what you've provided is terrible advice that
> doesn't handle a wide range of scenarios such as teaming, bonding,
> vlans, bridging, network interface changes, race conditions of things
> dependent on networking or acting as part of the network.target or
> network-online.target systemd units which declare when network is
> ready ...
> If you want to do something unsupportable in any sane environment that
> is on you ... but really please don't suggest to those who don't know
> better to carry out such activities.
I didn't suggest you use anything, you asked me what script I used, I 
gave you that information YMMV.


Giles Coochey
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giles at coochey.net