The Restrictions on the shell

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The Restrictions on the shell

Postby Netmaster on Fri Feb 23, 2007 11:24 pm

Hello Folks! Cool

Well , I don't know if this topic fits in here (gonna assume it does) but I thought this question is useful and worth asking and probably future ppl who might join will benefit from it too..

the question actually is rather simple : WHat are the restrictions on the shell account @ phoenix-networks.org?
in other words : How much bandwith can I have on the shell (up/down) ?
can I make outgoing/incoming connections? and on which ports ? etc
How many processes can I run (background , forehand)
how much disk space , memory and cpu cycles are available for each shell?
.....
....
and Q's like those , I'd appreciate very much any clearance that can be given , cuz you know ppl would like to know what they're getting at last!

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Re: The Restrictions on the shell

Postby Tim on Sat Feb 24, 2007 12:08 am

Netmaster wrote:How much bandwith can I have on the shell (up/down) ?

No restriction
can I make outgoing/incoming connections? and on which ports ? etc

You may use any non-standard ports over 1024, incoming and outgoing connections are fine. No server daemons without permission (like IRCd, httpd, shoutcast, etc). psybnc's are limited to 1 user with any number of outgoing connections.
How many processes can I run (background , forehand)

5 background, 20 foreground
how much disk space , memory and cpu cycles are available for each shell?

Standard account right now has 500mb disk space, 60 mins of CPU time, no real memory restrictions by default

This will change somewhat in the near future as we make some more changes, but all shells will be upgradable to that level and beyond if you don't start out at that level.
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Re: The Restrictions on the shell

Postby Netmaster on Sat Feb 24, 2007 1:36 am

Hi Tim Very Happy and thank you for the input !
btw , I must admit that you're very generous regarding the resources you're giving to the free shells (i.e 500 mb's wow that's alot ! ) thumbs up Very Happy

but since I'm not an expert in unix (so far) , I still have an urging question concerning the server daemon issue...
first of all , what are server daemons ?
AFAIK , those daemons are background processes that listen to a given port for incoming connections (correct me if I'm mistaken)
so do you mean that incoming connections need no permission incase the server program is not running in background mode?

...and thanks Cool

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Re: The Restrictions on the shell

Postby pugrit on Sat Feb 24, 2007 1:50 am

phoenix is simply the BEST in free shell services. Cool Laughing
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Re: The Restrictions on the shell

Postby Tavy on Sat Feb 24, 2007 2:48 am

what are server daemons ?


See here.

Or did you mean this Daemon?

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Re: The Restrictions on the shell

Postby Netmaster on Sat Feb 24, 2007 3:10 am

See here.

to be honest , I've already asked wiki (usually I always do so before asking) but I'd like to hear a somehow "simpler" answer that a not-so-familiar unix user like me can grasp.
I guess if I had a running shell then the learning process would be mucher easier and faster since you learn by practice rather than just in theory...
so far i've only gained some basic unix knowledge from tutorials and very restrictive shell accounts which mostly don't allow you to do anything useful other than create/delete directories , set up websites and/or messing with some stupid text editors

anyways , what I wanted to get sure of is whether i can run my own code that listens to a port (doesn't matter which one) in order to accept incoming connections from clients etc..

any further infos are gratefully accepted! Very Happy

Or did you mean this Daemon?

besides the metaphysical definition of the term , yes
..lol

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Re: The Restrictions on the shell

Postby Tavy on Sat Feb 24, 2007 4:22 am

Netmaster wrote:I guess if I had a running shell then the learning process would be mucher easier and faster since you learn by practice rather than just in theory...
so far i've only gained some basic unix knowledge from tutorials and very restrictive shell accounts which mostly don't allow you to do anything useful other than create/delete directories , set up websites and/or messing with some stupid text editors

anyways , what I wanted to get sure of is whether i can run my own code that listens to a port (doesn't matter which one) in order to accept


Background processes listening for any incoming connections are usually defined as Daemons. Tim would probably be referring to programs (other than psybnc, an IRC bouncer program) that listen for internet connections, of any sort - locally or otherwise. Usually system based IPC calls and whatnot would probably not be defined as a server Daemon:

A server is a computer system that provides services to other computing systems—called clients—over a computer network.

Talk to Tim or another admin if you want to use anything that fits into that [broad] category.
Hope that clears things up for you.
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Re: The Restrictions on the shell

Postby Netmaster on Sat Feb 24, 2007 4:04 pm

OK , guess now I'm getting close to understand it
appreciating the help Very Happy

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Re: The Restrictions on the shell

Postby krod on Sat Feb 24, 2007 4:15 pm

Bandwidth has no limit, but that is not an invitation to host 3gb mirrors and illegal downloads Razz
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Re: The Restrictions on the shell

Postby Tim on Sat Feb 24, 2007 10:39 pm

krod wrote:Bandwidth has no limit, but that is not an invitation to host 3gb mirrors and illegal downloads Razz

You can't host a 3gb mirror with 500mb of disk space Razz
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Re: The Restrictions on the shell

Postby krod on Sat Feb 24, 2007 11:24 pm

Eh, well, you get my point. Laughing
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Re: The Restrictions on the shell

Postby Netmaster on Sun Feb 25, 2007 4:21 pm

Tim wrote:
krod wrote:Bandwidth has no limit, but that is not an invitation to host 3gb mirrors and illegal downloads Razz

You can't host a 3gb mirror with 500mb of disk space Razz


LOL Laughing guess there's no need for a shell to do that anyway .
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Re: The Restrictions on the shell

Postby dama on Wed Feb 28, 2007 2:10 am

Tavy wrote:
what are server daemons ?


Or did you mean this Daemon?

Image

wait, I've always thought this is the server daemon !_!
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