Serial devices over TCP/IP - tcp

This post is to ask for ideas of how to get access the USB devices that are connected to the second PC. I mean that both PC's are in LAN and I would like to see all devices that are connected to the second PC on my first computer like pendrives, printers etc. Any advice will be certainly welcome.

You can use any remote desktop client like teamviewer.

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Need to reveal IP addresses of devices connected to a switch via EdgeMax Router 4

I am wondering what is the best way to reveal all IP addresses to devices that are plugged into a switch, that is then plugged into an EdgeMax Router 4 by Ubiquiti. I attempted to use the nmap command on linux to reveal all devices behind 192.168.1.1/24, which is the address that the switch is plugged into, but only some devices came back. I was searching for the IP address of an OpenBMC device connected via the switch, but I couldn't find it.
The switch is a basic TP-Link gigabit 8 port switch (SG-1008D) and to my knowledge and research, it doesn't appear to have a web console or interface to reveal IPs there. And when I log into my EdgeMax Router 4, I only see devices at the router level.
I am not the most versed in networking knowledge, but I did a few things first to research. If anyone has any further suggestions on what else I could try, please let me know.
Only layer 3 switches have the ability to display the IP address of the devices directly connected to them. Your SG-1008D is just an unmanaged switch and it will not be able to display the MAC or the IP address of the devices connected to it. You will be able to identify the MAC and IP address of the devices connected to the switch by running network tools such as Angry IP Scanner or by looking into the connected devices list of the router. But that will not show you the ports where the devices are connected to in the switch.

Is it possible to setup a wireless network without internet for the robot and PC?

The system includes three devices: PC, robot's computer, and wireless device.
In order to improve the signal quality of the wireless in the whole robot's environment. I'd like to put a big wireless device in the middle corridor where it is not Ethernet (no internet) and only feed by power, then use its signal to connects it with the robot's computer. The robot's computer has a small wireless device that will connect with a big wireless device. Both wireless devices have no internet, only electric power, and signal.
Can I transmit data from the robot to my PC and vice versa over Wi-Fi's signal ?
Can I access the robot's computer using Wi-Fi's signal to launch the robot ?
If yes, please your suggestions, and what are its disadvantages?
Any suggestions would be greatly appreciated.
Note: the system is working fine now using the internet in the big wireless device and connect it with the robot's computer and PC, only some problem when the robot is very far from a big wireless device because of dropping the signal quality to 5% here
The issue is ridiculous, I didn't aware of the task of some lines perfectly.
Those lines in bachrc file solved my issue.
export ROS_HOSTNAME=ip for master
export ROS_IP=ip for master
export ROS_MASTER_URI=http://ip for slave:11311
It does not matter if there is Internet or not.
All we need is a router on PC or cable Ethernet to connect the big wireless device (router) with PC and find IP Address for two computers.
On the other hand, the same case within internet.

Can two laptops on one wifi have different external IP's?

Is there any way for two laptops that are connected to one wifi obtain different external IP address. What I mean is that when we go to site like ipchicken.com it will show different IP's for both of us. Because now we both see same IP.
Could this be achieved?
In this case, you should attach a switch to the modem, then connect both laptops and the router(wifi) to it. That way you can assign external IPs directly to the laptops. Then attach other devices such as PCs to the router as normal.
Source: http://www.tomshardware.com/forum/40244-42-servers-external-address-router
This video may be of some use: http://www.youtube.com/watch?v=8YFJOCJTkyI It explains the differences between a router, modem and switch and how to use them.
EDIT: Thilo is correct. You will need to request additional IPs from your ISP.

Is it possible to have usb controllers too bridge connections?

I was just wondering if i could connect 2 usb devices together that are both connected to the same pc. Instead of the pc being connected, i want to have the devices connected together as if they were directly connected through cable. I ask this because I actually don't have a cable converter right now to connect my Android to the PS3 controller, then suddenly i came with the idea of doing it like this. Just like a network bridge.

Can the MAC address of a mobile device be easily determined?

This is somewhat of a general question, is it realistic to assume that a router can resolve any mobile device's MAC address without being already connected via wifi or bluetooth?
If the device is broadcasting, or if it's connected to another access point, then capturing the wifi data would allow you to capture the device's MAC address. Routers aren't generally set up to listen in that way, and I don't think it would be simple to configure that kind of behavior.
In general, if a device isn't connected to a wireless router/access point, you aren't going to be able to capture its MAC.

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