[erlang-questions] "detached VM" vs "VM under screen"

Zabrane Mickael <>
Fri Jan 6 00:29:53 CET 2012


Thanks for all your feedbacks guys !


Regards,
Zabrane

On Jan 5, 2012, at 6:19 PM, James Aimonetti wrote:

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> We run everything in detached mode, and use a bash script to connect to
> the VM when we need access to it directly.
> 
> Our bash script boils down to:
> 
> exec erl $ERL_COOKIE -name ${SHELL_NAME} -remsh ${REMOTE_SHELL}
> 
> with SHELL_NAME usually generated by SHELL_NAME = "con_$(date
> +%s)@`hostname`".
> 
> You won't get tab-complete on your modules/functions (I think the
> standard erlang modules work though), but it works well enough for our
> purposes.
> 
> On 01/05/2012 05:45 AM, Max Bourinov wrote:
>> We also run everything under screen. And it is nice to have shell = access
>> to all things in the running system, but you must know what you do in there
>> :-)
>> 
>> Sent from my iPhone
>> 
>> On 05.01.2012, at 17:26, Jesse Gumm <> wrote:
>> 
>> I run under screen, since I run screen for everything already, it's nice to
>> always have the erlang shell up and ready if I need it.
>> 
>> -Jesse
>> 
>> --
>> Jesse Gumm
>> Owner, Sigma Star Systems
>> 414.940.4866
>> www.sigma-star.com
>> @jessegumm
>> On Jan 5, 2012 7:03 AM, "CGS" <> wrote:
>> 
>>> Hi,
>>> 
>>> One major preference to use -detached (implies -noinput which implies
>>> further -noshell) option is when you want to create a persistent
>>> application which doesn't depend on your connection with the machine where
>>> you run the application. It is similar with "nohup" command under Linux. It
>>> also implies the use of less resources than "screen", but with no
>>> capability to interact directly with it.
>>> 
>>> CGS
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On 01/05/2012 12:27 PM, Zabrane Mickael wrote:
>>> 
>>>> Hi guys,
>>>> 
>>>> Is there any preference between running a VM in a "detached mode"  (i.e
>>>> erl -detached ...)
>>>> or simply running it inside "screen" for example witout detaching from it
>>>> (i.e erl ...) ?
>>>> 
>>>> What are the pros/cons?
>>>> Best practices?
>>>> 
>>>> Regards,
>>>> Zabrane
>>>> 
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>>>> 
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> 
> - -- 
> James Aimonetti
> Distributed Systems Engineer / DJ MC_
> 
> 2600hz | http://2600hz.com
> sip:
> tel: 415.886.7905
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