Altering /etc/network/interfaces stops some apps from working

[Mark Fraser]

On Thursday 31 December 2015 09:52:23 bmarsh at bmarsh.com wrote:
> > On Dec 31, 2015, at 3:47 AM, Mark Fraser <mfraz74+ubuntu at gmail.com> wrote:
> > 
> > In previous versions of Kubuntu I've created a static IP address by adding
> > the interface to /etc/network/interfaces like:
> > 
> > # interfaces(5) file used by ifup(8) and ifdown(8)
> > auto lo
> > iface lo inet loopback
> > address 127.0.0.1
> > netmask 255.0.0.0
> > 
> > # The primary network interface
> > iface eth0 inet static
> > dns-nameservers 192.168.2.1
> > address 192.168.2.102
> > netmask 255.255.255.0
> > gateway 192.168.2.1
> > auto eth0
> > 
> > In 15.10 this doesn't seem to work and has caused me numerous problems
> > until I thought to revert it back to the original contents.
> > 
> > 1) KMail was unable to fetch any images and clicking on a link in KMail
> > brought up a "file not found" error.
> > 
> > 2) Akregator wouldn't fetch from any feeds.
> > 
> > 3) I couldn't open a link from Konsole.
> > 
> > For now I have had to use network manager to configure a staic IP address,
> > but is this a bug or am I doing something wrong? --
> > Registered Linux User #466407 http://counter.li.org
> 
> In 15.10, the names have been changed from eth0. To something like. enp20s. 
>  That's a guess because I am not at my computer right now.
> 
> Look through your DMESG and find the new name and it will work.

I still have a udev rule that changes it to eth0, but the odd thing is that Firefox works fine 
and I can fetch & send emails. I just couldn't see any images or click on links.
-- 
Registered Linux User #466407 http://counter.li.org
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