[CentOS] Inquiry:External USB modem and Remote PC Access?

Les Mikesell lesmikesell at gmail.com
Tue Oct 27 14:12:49 UTC 2009


Basically you'll want to use the procedure in the link I posted 
http://www.howtoforge.com/linux_dialin_server to set up PPP dial-in access. 
Note that there are a pair of IP addresses in one of the config files, one for 
each end  of the link.  On the other side, follow any dial-up internet procedure 
to get the connection, then you can treat the remote IP address like any other 
network connection.  Dial up network connections are slow, so you actually might 
prefer to work in command line mode if it is possible for what you need to do. 
You can do this via ssh over the network.  X is designed to work natively over a 
network but dialup connections are really too slow to use it that way.  You 
might be able to tolerate vnc but freenx and nx would be the best approach for 
remote GUI access over a low bandwidth link.  I'd recommend setting these up and 
testing over a faster network if you can get two machines together or perhaps 
use VMware so you know how they are supposed to work.  It can be frustrating 
trying to get this sort of thing working the first time from a remote and slow 
location.

  -Les Mikesell

hadi motamedi wrote:
> Thank you very much for your reply . According to your message , the 
> minicom is not suitable in this regard as I really want remote desktop 
> access to my CentOS client located at far site and thus get its keyboard 
> & mouse control to issue commands and view Gui . Please do me favor and 
> propose for the solutions that can enable my CentOS server at the office 
> to get remote desktop access of my CentOS client far at the site (the 
> only connections that can be made is through modem dialup connections) .
> Let me thank you in advance
> 
> 
>  
> On Mon, Oct 26, 2009 at 12:40 PM, Les Mikesell <lesmikesell at gmail.com 
> <mailto:lesmikesell at gmail.com>> wrote:
> 
>     hadi motamedi wrote:
>      > Thank you very much for your help . Can you please do me favor and
>      > confirm if the scenario works when both ends are as CentOS (I mean my
>      > CentOS server at the office connected to the telephone line and the
>      > remote CentOS client at the far site that we need to have remote
>     access
>      > to it) ?
>      > Thank you in advance
>      >
> 
>     Running mgetty on the answering side will work with Centos running
>     some dial-out
>     terminal application like kermit, minicom, or cu.  But what you'll
>     get is a
>     separate command line login, not a GUI desktop or copy of what is on the
>     console.  If you want more than that, you might set up dial-in PPP
>     so you can
>     treat the connection as a network address with all the usual tools.
>      I'm not
>     sure if this is exactly right for Centos but it should be close:
>     http://www.howtoforge.com/linux_dialin_server.  Mgetty should be
>     able to detect
>     if you are using dial-up networking from the other end and permit
>     connection
>     either way.
> 
>     --
>       Les Mikesell
>        lesmikesell at gmail.com <mailto:lesmikesell at gmail.com>
> 
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