[AudioI] jackd and starting transport from the command line

Gavin Hamill gdh at acentral.co.uk
Wed Feb 10 10:55:50 UTC 2021


Ahh OK I've never used 'jack_transport' - had no idea it was even a thing,
hence the confusion :D

Not to worry - there's likely a separate 'jackd2-common' or
'jackd2-clients' - every distribution is different, just to keep things
interesting.

Gavin.


On Wed, 10 Feb 2021 at 10:53, Matt <matt at audioinjector.net> wrote:

> thanks for the startup script. I'm using buildroot with sysv.
> Actually startup isn't the problem.
>
> I think I may have to use jack_transport play or something like that from
> the command line to start the transport - is that right  ?
> One problem is that jack_transport isn't installed when selecting the
> jackd2 package in buildroot for some reason.
>
>
> On 10/2/21 9:31 pm, Gavin Hamill wrote:
>
> Matt,
>
> The simplest way of running it as a system service (guessing that's what
> you're actually getting at?) is with a systemd unit file:
>
> === /etc/systemd/system/jackd.service ====
>
> [Unit]
> Description=JACK Server daemon
>
> [Service]
> Restart=always
> RestartSec=5
> ExecStart=/usr/bin/jackd -d alsa -r 48000 -i 2 -o 2
>
> ================
>
> systemctl daemon-reload
> systemctl restart jackd
>
> For the 'jack_load netmanager' try adding
>
> ExecStartPost=/bin/sleep 2
> ExecStartPost=/usr/bin/jack_load netmanager -i -c
>
> Each command needs the /full/path/to/binary with systemd :)
>
> Cheers,
> Gavin.
>
> On Wed, 10 Feb 2021 at 10:10, Matt via People <
> people at lists.audioinjector.net> wrote:
>
>> I've started a netjack sesstion :
>>
>> On the server :
>>
>>     jackd -d alsa -r 48000 -i 2 -o 2 &
>>     sleep 2
>>     jack_load netmanager -i -c
>>
>> On the client :
>>
>>     jackd -d net
>>
>>
>> I am wondering if anyone knows how to start and stop the jackd transport
>> from the command line ?
>>
>> thanks
>>
>> Matt
>>
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