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

[James Aimonetti]

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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 <gumm@REDACTED> 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" <cgsmcmlxxv@REDACTED> 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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- -- 
James Aimonetti
Distributed Systems Engineer / DJ MC_

2600hz | http://2600hz.com
sip:james@REDACTED
tel: 415.886.7905
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