Debian :: SSH Into Remote Computer Behind Router

Sep 6, 2010

My son needs me to do maintenance on his computer. He has a router installed for firewall purposes. I can see his router's IP address. How do I get past that address to his local address?

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Ubuntu :: Ssh To Connect To A Remote Computer Behind A Router

Jan 30, 2010

I want to show you this scheme:MyPC -> router -> internet <- router <- Mom'spc I want to connect from my pc to my mom's pc using ssh. The first router doesn't represent a problem, but my mom's router does. Our IPs are both dynamic (anyway, I can easyly know them) and I have opened the port (TCP/UDP) 2100 on the router in order to open a gateway on mom's pc.The firewall is not enabled on the router, nor on mom's pc.

Granted all this, now I should be able to connect to that computer using ssh:ssh user@ip -p 2100 But I can't, I always get a "connection refused".if I do it on my intranet, I can connect without any problem (to others computers, of course, not mom's) What's the reason because I always get a connection refused?

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Debian Configuration :: How To Set Up Remote Login Behind Netgear Router

May 25, 2011

I have just setup a debian box, and I want to be able to login to the machine remotely.Currently I have the following setup:Cable Modem -> Netgear Router (DHCP to outside world) -> Debian Box (DHCP for internal network)As I under stand it I have to set my Debian Box to use a static IP, but from there I di not know where to go.Also since my cable modem IP is dynamic, is there some way to have that the debian box get the IP address for the outside world, and e-mail it to my gmail account when it changes, or least every X hours?

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Debian :: Remote Admin Of Computer Inside A Firewall

Feb 27, 2010

I have Linux computers that are often on client networks inside firewalls . They have access to the internet but I can't access them directly. I don't want to have to get the client to mess with NATing , etc . I have written a system that uses XMPP to allow me to send commands to the computers and run simple console commands which often time is enough. These are things like run a report and ftp up to server, restart a process, give me a process list. It works OK, but some networks even block this (Googletalk is not universally loved for some reason)

I am wondering if there is a prebuilt system that allows me a computer inside one firewall (say a standard adsl modem created one) communicate in some way with a computer inside a network created by another adsl modem. I could see some sort of console like logmein or pc anywhere but as much as I have looked I can't find anything. I have considered writing a cheap and cheerful system in http or even a TCP system using asyncore in python but there must be something existent. I have a server on the web that could be used as an intermediary, relay type thing. Basically some sort of chat server for consoles is what I am thinking about. Is there some sort of SSH voodoo that I could bridge/tunnel/vpn through.

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Debian Multimedia :: XDMCP - Remote Computer Monitor Never Switches Off ?

Apr 3, 2011

I use XDMCP from an old laptop to login remotely to another computer which is running Debian 6. This seemed to work fine in Debian Lenny, and the laptop screen would switch off after a period of inactivity as I expected. Now the laptop screen blanks after inactivity, but the backlight never switches off.

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Debian Multimedia :: Interesting Dilemma Involves Remote Access To Computer

Oct 22, 2010

we usually have to access a batch of computers that is located on campus. This is straightforward enough on Windows, the OS that the computer support center cares about, but I'm interested to see how I would handle this in Debian. The process for Windows is:

1) Run the authentication program, which runs in the background.
2) Use Exceed on Demand (or Putty, but I can't really use that for my classes ), and log into the server. From there, it lets you log in to whatever computer you want. When logging on with Exceed on Demand, Solaris environment is then launched.

Now, I know there's not a lot of technical information here, and I apologize, but I know next to nothing about networking. What I do know is that I'm remotely accessing a secure computer, and then I ssh over to another computer (when using Putty, which was only command-line). I was wondering how easy or hard this would be to do through Debian, including the fact that I need to have the authentication program running.

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General :: How To SSH Into Remote Host Hidden Behind NAT Router

Jun 21, 2011

I can use TeamViewer to get into this remote host. It has sshd running. I would like to ssh to it. But it gives the system's IP as 192.168.xx.yy. How do I ssh into it?

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Ubuntu :: Remote Desktop With Router WRT54GS2

Jul 18, 2010

I recently got a new router (and new isp). On my old isp and router it seemed quite simple to remote desktop to my linux box from any of my windows xp machines using vnc.

After I got my new router(WRT54GS2) and pretty much at the same time upgraded to 10.04 I had went back to reconfigure it. I simply cannot find a way to make this work. On the old version of ubuntu the remote desktop settings had a choice to change the port which seemed like the key ingredient to make it work when I was having troubles before. This new version seems verrry dumbed down to me and I can't seem to get anything to work.

I read some tutorials and all I've seen is to change port forwarding settings on my router(i'll include a picture of what that looks like)

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Ubuntu Networking :: Remote SSH With Both DSL Modem And Wireless Router

Jul 28, 2011

I have an Ubuntu server that I need to access remotely while I am at school. The server's internet connection comes first through a DI-604 broadband router and then through a Netgear Wireless router:

ethernet wall jack --> Broadband Router --> Wireless Router --> Server's ethernet port

I can manage to get the SSH to work with the current IP address (dynamic) by connecting the server directly to the broadband router, but I cannot set up DNS (ddclient on the server, Namecheap for domain registrar and nameserver) with it. I can set up DNS on the router with no issue, as it has the DNS client built in, but I cannot get the SHH to connect through both the modem and the router as mentioned above. Best case scenario, this can be fixed without having to get anything new, but if that is the case, recommendations of a new setup

Other reference info - ISP at server is Verizon Fios, broadband router set to PPPoE.

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Software :: CCTV For Remote Viewing Of 8 Camera DVR Behind Router?

Aug 21, 2010

I need to get software for viewing my shop cameras from my laptop with wwan card. I have an ADT 8 camera DVR and a Motorola Netopia 3347-02 router from AT&T. My shop computer is running Windows 7 with RASPlus for viewing locally. I have a Dell Lattitude D520 laptop with Knoppix 6.2 and a WWAN card. What software do I need to view the cameras from the road? What do I need to do to get past my router? I hear that Zoneminder is not good enough to handle the 8 cameras.

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Ubuntu :: Use Computer As A Router?

Nov 10, 2010

I am using ubuntu in my computer...i need to use my computer as a router and to run dynamic routing protocol(RIP) in my computer.I am used to router configuration and commands.but how can i use the same in my computer.

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Networking :: Using Computer As Router?

Dec 25, 2010

I want to use a linux computer as a router in a medium sized organization. we have around 10MB internet and we have to distribute it among some 2000 pcs. so i have a computer available, and wanted to do some bandwidth management on it (with tc). want to know if this is possible or if it might create a bottle neck.(the internet is coming from 2 different ISPs). Using a router is not an option, coz our organization is happy with what they get currently BUT since its unmanaged it has lots of problems, and also there is no money for buying a router

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Fedora Networking :: Connection From WinXP To 11 Remote Desktop (behind Router)?

Aug 28, 2009

My home linux box is behind a Linksys WRT110 router. I have enabled the Remote Desktop from System-->Preferences-->Remote Desktop. I then run TightVNC from my WinXP box. As I wish to run a secure connection, my first obstacle comes from PuTTY.
In PuTTY, my settings are as follows:

Host Name(or IP address) Port 22


I recieve "Network error: Connection refused" I have gleened all of this information from other boards and tutorials. I know there is something critical that I am missing.

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Ubuntu Networking :: Setting Up Desktop (9.04) Behind Router For Remote Access By Latptop (9.10)?

Jan 8, 2010

Setting up desktop (9.04) behind router for remote access by latptop (9.10) I am setting up desktop (9.04) behind router for remote access by latptop (9.10). Rationale: All of my files are on my desktop HD, but I am often out of my home needing to work on my files. It is becoming labour intensive to keep track of the files I make/change and try to copy them on my non-connected desktop/laptop.

Dream: Able to remote access and modify my desktop files from my laptop (while the files remain on the desktop). Request: A simple, GUI, basic, non-technical guide how to set it up!

What I know: 1.I was going to use the 'Remote Desktop' VNC connection under System->Preferences. However, if I understand this correctly, this only secures my computer (i.e. Locks the front door of my desktop) and the data streamed between them is not encrypted.[URL]..

2.Then I need to set up my router to accept the connection from my laptop.

3.Then I will need to use SSH to secure the info sent between them. This is the bit I don't really have a good grip on.


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Ubuntu Networking :: Use A Wireless Router On Computer?

Aug 2, 2010

is it safe to use a wireless router on my computer but still keep all my info safe that i am working on in ubuntu forums

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Ubuntu Networking :: Computer Have The Same MAC Address With His Router?

Sep 1, 2011

I have read in a forum that a computer can have the same MAC Address with its router in the sane LAN but how is that possible? Isn't every MAC unique? Also I have not understood, when we send a packet to a PC that is not in our LAN the packet should have the IP Address or the MAC Address of the computer that we want to send?

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Networking :: Can Ping Each Computer With Router Configuration?

Sep 20, 2010

I have a desktop computer (Ubuntu) connected to one of the LAN ports of the Cradlepoint MBR1000 router via an Ethernet cable. I also have a Verizon mobile broadband USB modem (USB760) plugged into the USB port of the Cradlepoint router.I also have a laptop (Ubuntu) with a wireless wi-fi adapter (802.11g). The laptop also has an Ethernet card but I'm not using it. The desktop computer does not have a wi-fi adapter, only the laptop does.

With the above setup, I have Internet access to both the desktop computer as well as the laptop computer, which I am well pleased with.Is there a way I can have file sharing between the desktop and the laptop, or at least ping between them, the way I have it set up? I can't use the ad-hoc method because for that to work each computer needs a wi-fi adapter. The router is using DHCP but can also be configured manually.

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General :: Connect To Port Of Computer Which Behind Router?

Nov 20, 2010

When one should try to connect to port 3306 of particular ip here e.g. 345.56.67.87 it should be redirected to port 3306 of internal machine. This is the scene : How can I access the particular port of the machine which is behind the router . i.e. From out side internet I would like to connect to the port 21 of the machine ( which is behind router (345.56.67.87) . Here are the details I tried : both side linux (centos)

1.enabled ip forwarding of router (345.56.67.87)

2.enabled ip forwarding of machine (

3.implemented some iptable rules: /sbin/iptables -t nat -A OUTPUT --dst 345.56.67.87-p tcp --dport 3306 -j DNAT --to-destination

4.iptables -t nat -A OUTPUT --dst 345.56.67.87 -p tcp --dport 3306 -j DNAT--to-destination

I tried to google on it mainly it dealt with the iptable rules. of which i applied but error is" can not connect to the port 3306 of"

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General :: Turn A Computer Into A Real Safe Router?

Aug 16, 2011

I have an old hp that i installed ubuntu on and I was wondering how I can turn it into a real router. By real router I don't just mean broadcast the internet but use security software, configurations, and all the stuff normally found on a real router. What are the steps i need to take? I dont have 2 NIC's in it just one but I do have a wireless usb that I can just stick into it.

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Ubuntu :: Can Not Get To Recognise It And So Computer Will Not Find Router Network?

Mar 19, 2011

downloaded the Ubuntu Netbook OS and it works great but I have a Hp mini 1010nr with built in wifi. I can not get Ubuntu to recognise it and so my Computer will not find my router network. How do I get it to get online? [URL]...

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Networking :: Linux OS As Router / Surf The Web Both On Computer And On Laptop?

Feb 20, 2011

I have two network cards in my computer (Debian). One (eth0) is connected to the router which is connected to the internet, the other one (eth1) is connected to my laptop (Gentoo). Now I want to surf the web both on my computer and on my laptop. I obeyed some tutorials "Linux as router":

1. On my Debian system IP-Forwarding is on:


takada:/home/sam# sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 1

2. Laptop has IP and this is the output of 'cat /etc/network/interfaces' on my computer:


takada:/etc/network# cat interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface

But a ping from my laptop to (router to internet) still gives:

connect: Network is unreachable

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General :: Run A GUI App On Remote Computer From SSH?

Jan 7, 2011

I want to run a GUI application on my Ubuntu computer, but it should started by a shell script on my Debian server trought SSH.

Is this possible?

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Ubuntu Networking :: Router - Configure A Wireless Card On Another Computer

Apr 4, 2010

I have a Belkin Wireless G F5D7230-4. I was attempting to configure a wireless card on another computer on my network when it froze during the reboot phase after making settings adjustments. The wired connection is fine, except on that computer that I was making the adjustments from. It won't connect at all. I plugged a friends netbook into the same wired line and it connected. Also there is no wireless signal on any laptops. Mac, Win Linux, don't matter. I tried all the various methods of resetting to default but still when I try to access the router's config page @ I get the error Code: The server at is taking too long to respond.


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Ubuntu Networking :: Get Wireless Router To Forward Ftp Requests To Computer?

May 18, 2010

I'm trying to make my wireless router always give me the same ip address every boot ( I do not have a static ip address from my isp.

Everything I've tried from online help has made my internet break and I'm not even sure what exactly I should be searching for on google.

Ultimately, I'm trying to get my wireless router to forward ftp requests to my computer which shares the network with an xp machine. I think this is the way to go about it.

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General :: Log A User In A Remote Computer Using Ssh?

Jun 9, 2010

I want to connect to a server via ssh and log in (remotely) a user in X11 (gdm).A little context: I need to install a wine application in 30 computers, but wine require X11, there is nobody loged there, so wine does not work properly. I want to remotely login in display=:0.0 a user so this user receive the window (it only start and close), there i need to ()neThere is no one logged on there. I need to start a graphical app there (wine installer) but I cannot because it needs a display with X11 (to open a wineconsole).

Resumen: Is it posible to log a user remotely on X11 My config: every computer have fedora 10 and gnome. Clarification: I do not want to do X-forwarding, I want to show the window on the remote computer, not mine. I want to log the user on the remote computer. If I go (fisicali) to the computer, the user should be logged on.

Update: I asked to gdm developers, but I had no answers... I'm starting to think there is no way. The only option I can think is to config autologin, restart gdm, and get the config normal again (all by script) But I have to read a lot for that and is not so important, I prefer to log in manualy 30 times.

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Ubuntu :: Remote Computer Not Reachable

Apr 19, 2010

I hope I am not repeating a thread. I am trying something very simple: To remotely connect from a ubuntu desktop to another ubuntu server (physically not reachable). When I ping the server, it seems to be fine. However, when I try to ssh, the connection is closed by the host. I am the only one using the server. It worked fine a few hours ago and I was trying to copy a lot of data using a couple of scp sessions. At some point the connection was closed and I cannot access the server anymore.

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Ubuntu :: Remote Computer Control Through SMS ?

Apr 27, 2010

As for what I am trying to do: I am looking for a way to run scripts and/or launch programs from a cell phone using SMS. I've found a few options close to this, but nothing that really fits what I'm trying to do. It seems I can either get speed or ease of use, but not both. To explain:

If I understand correctly, Evolution has this functionality through email, but email isn't instant. I'm trying, as best as I can, to use my phone almost like a remote; sending email from my phone would create a considerable wait time.

Using Pidgin's Buddy Pounce feature with AIM lets me use SMS to get a quick response, but I'm running into the problem that I can't make its action depend on what the message says. I want to be able to text, say, "Shutdown", and have my computer run a shutdown command, but Pidgin's Buddy Pounce feature doesn't seem to support checking for specific messages. I've been unable to find a plugin that changes this; if there was, it'd probably be my best bet.

Bluetooth is out; my computer's bluetooth adapter died a long time ago. Additionally, some of the things I'd like to do would be when I'm not near the computer, so even if it was functional, it would be limiting.

Anything that requires any apps for android, iPhone, or w/e are out too. I have an LG Dare, and while it's a nice phone, you can basically forget custom apps.

So, to recap, I'm trying to find some way of sending an SMS or email from my phone, have it be received as quickly as possible, and have the computer run a console command based on the content of the SMS/email. Any ideas?

I'm running Ubuntu 10.04.

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Ubuntu :: How To Set Up Remote Access To Computer

May 3, 2010

My home network consists of two computers that share one internet connection via a router. I have a desktop computer that runs Ubuntu (Karmic), connected via ethernet; and a netbook that runs Windows 7 (will be Ubuntu, eventually), which connects wirelessly. Both computers have multiple user accounts. What I would like to do is access my account on the Ubuntu desktop via the netbook while my wife is using the desktop with her account (or enable her to access her account on the desktop while I am using it). I looked into VNC, but it, apparently, only supports the active desktop. So, if someone connected to the computer while it was in use, they would be looking at the other user's desktop. Is this a misconception on my part?

So, I have 3 questions:
-From the netbook, how can I log into my account on the desktop and just get a command-line shell?
- From the netbook, how can I log into my account on the desktop and actually have access to my Gnome desktop?
- If I leave my house with the netbook, and want to log into my desktop machine across the internet (CLI and/or Gnome), how can I do that?

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Ubuntu :: Can Use Computer As A Bluetooth Remote

Jan 29, 2011

I want to use one computer to control Banshee on another computer in the room. without using remote desktop. That's not going too well for me (it works, but it's slow and clunky over my network).

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General :: Ssh To A Remote Computer Without Password?

Jun 26, 2010

I have a remote machine in which I need to login from my desktop using ssh without password and run a script at regular interval. I've read about rsa keys but couldn't make it out. can someone help me with this?

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