[mythtv-users] Recording failure.

[Allen Edwards]

On Wed, Apr 3, 2019 at 9:40 AM Ian Cameron <mkbloke at gmail.com> wrote:

> On Wed, 3 Apr 2019 at 16:59, Allen Edwards <allen.p.edwards at gmail.com>
> wrote:
>
>> One solution was to add these lines
>>   net.ipv6.conf.all.disable_ipv6 = 1
>>   net.ipv6.conf.default.disable_ipv6 = 1
>>   net.ipv6.conf.lo.disable_ipv6 = 1
>>
>> to etc/sysctl.conf
>>
>> But upon reboot I still had net.ipv6.conf.enp2s0.disable_ipv6 = 0 so that
>> didn't work
>>
>
> In /etc/sysctl.conf?  Are you saying that if you set this to 1 it would be
> reset upon reboot back to 0?
>
>
>> Another work around said to edit this instead /etc/sysctl.d/99-sysctl.conf
>> but when I opened it, I see that the edits in  etc/sysctl.conf were there
>> as well so that didn't work
>>
>
> On my 16.04 system, they are the same file.  99-sysctl.conf is a symlink
> to ../sysctl.conf.
>
> Then there was the suggestion to use the GUI and disable ipv6 from there.
>> That sounded like a great idea but I don't see "disable ipv6"  I see a
>> list of 5 Hosts in system->network->Hosts but that isn't close to the
>> instructions given in the work around.
>>
>> I would love to disable ipv6 but what it the correct way to do that on my
>> system?  Mystery.
>>
>
> Here's an article that seems to suggest that for 18.04 systems, the
> necessary solution is to actually achieve it by passing a kernel parameter
> on boot:
>
>
> https://linuxconfig.org/how-to-disable-ipv6-address-on-ubuntu-18-04-bionic-beaver-linux
>
> I tried Ian's suggestion and could not log into the computer remotely
>> after doing that so I removed it. The address of myth in my router is
>> reserved so I would have expected that to work.
>>
>
> Hmm.  Log in remotely how?  What method of logging in remotely are you
> referring to?  This would have to be worked through to solve the problem.
> I would suggest initially checking the Ethernet interface as it is with
> your Network Manager based settings using '/sbin/ifconfig -a' and then
> checking it again after applying settings in /etc/network/interfaces, with
> the same command to make sure it's getting set-up correctly.
>
> Cheers, Ian
>

I log in from a Windows 7 computer using Putty.

Yes, the two conf files seem to be the same as editing one changed both.

The issue seems to be that something is resetting the ipv6 so I edited my
good old rc.local file and added
*sysctl -p*
to the first line of my good old rc.local file and now I see

*net.ipv6.conf.enp2s0.disable_ipv6 = 1*

And I do not see any ipv6 when I do ip a

So maybe this will work.

I will work more if the problem keeps showing up or it there are any other
problems caused by this change.

Thanks as usual for your help.

Allen
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