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I have 40 computers in my lab and I have locked each computer with MAC address so people won't be able to unplug the network cable and connect it to their laptops.
I was wondering, if a laptop is connected via one of those cables, can he do some actions and discover the locked MAC.
I know I can find the locked MAC by running ipconfig /all on the computer in the lab. but if it's locked by a password I can't.
I am searching for the commands that I can run on the laptop (while pluged via the network cable) that will give me the MAC address of the computer's lab (The locked address).
(BTW, I'm running windows 7)
Thank you very much!
Amihay
If the laptop is running Linux:
sudo tshark -n arp
should net a few valid MAC addresses.
Not sure if it'll help because its windows,
From a windows Shell
net view
nbtstat -a COMPUTER-NAME
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I am trying to learn how to use SSH and it's kinda hard for me. I installed PuTTY (windows 7 32-bit). It asked for my IP so I searched 'What is my ip' and pasted it in. Then in the 'command prompt style box' I entered my username 'dell'. Now it's asking for password. I'm really confused because my laptop has no password and there's no password I know of. Can you guys help?
Entering nothing doesn't work:
Putty is just a command line interface, that will allow you to run commands like ssh.
However, if you want to SSH into your machine you have to install an SSH server on your machine.
There are multiple solution on the web:
https://www.howtogeek.com/howto/41560/how-to-get-ssh-command-line-access-to-windows-7-using-cygwin/
122.162.179.255 is likely the IP address of your network router / ADSL modem / etc and not your Windows PC (which won't have an SSH server installed by default).
There really is very little to learn about SSH itself, at least for basic day to day use.
If you want to learn how to use a UNIX-style command prompt then consider installing WSL or setting up a Linux installation on a separate computer (maybe a Raspberry Pi).
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I just upgraded the ssd card to 2018-11-13-raspbian-stretch-lite. Hence, no screen, no keyboard, just headless. With the version before I used SSH to acess the raspberrypi 3. But now i have trouble. SSH is disabled by default. Could be overcome by writing an empty file named ssh into / . Fine, should be easy, but it isn't. I tried to mount the ssd-card in a card reader from a linux computer. This would allow to write the required empty file with cat /dev/null > /mnt/rasp/ssh , but it doesn't work, because the device is mounted read only indepent of how I try to mount for read-write!
Has anybody an Idea how to open the ssh, maybe over USB-Telnet, or what ever?
You have to create a file called ssh in the boot partition, not the root partition.
You can also create a file called wpa_supplicant in the same place and your RasPi will join your wifi network.
You'll probably be able to ssh into it with:
ssh pi#raspberrypi.local
If not, look in your router's "DHCP clients" table or use nmap to get its IP address. Or install the fing app in your smartphone and it'll tell you the IP addresses and host/OS of all your network clients.
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With pscp in windows command line, i can send file from Windows to Pi or i can copy a file from Pi to Windows. But opposite does not work. I cant send a file from pi to windows with pi's terminal.
scp text.txt username#192.168.1.100:C:/Users/Desktop/
or C/Users/Desktep with out colon.
Both does not work. It returns nothing. After few minutes it says connection timed out.
scp is a client that connects to a server. Your Pi is running an SSH server which allows you to connect to it from other machines using pscp or scp (depending on what OS). So to make it work the other way, you need to install an SSH server on your windows machine.
I followed this article to install on my windows machine:
http://linuxbsdos.com/2015/07/30/how-to-install-openssh-on-windows-10/
Sometime in the future based on the announcement by Microsoft at http://blogs.msdn.com/b/powershell/archive/2015/06/03/looking-forward-microsoft-support-for-secure-shell-ssh.aspx it appears Windows will have SSH server.
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I have subscribed to a broadband Internet connection provided by a local cable TV provider.
Normally, I use my laptop which has Windows 7 for light surfing. I have set up a Broadband connection(PPPoE) for the same as per the provider's instructions.
The issue arises when I remove the cable from my laptop and plug it into my desktop and try to use it by setting up a connection there,too. My account either gets locked immediately or even if it connects, when I connect the cable back to my laptop, it appears surely locked. Then I have to call up the provider to unlock it :(
I'm sure that the provider is storing something on each machine and disallowing use of multiple machines. This is a real disadvantage as I can't download overnight by using my desktop.
Please guide as to how I must get rid of this inconvenience.
Thanks and regards !
It could be because the connection is tied to the MAC Address of the network card. If the cable modem has a USB port you could try that option to connect to a USB port on the PC and laptop - you may have to install the drivers on the laptop and PC.
Another option you could try (if any of the systems have two network cards) is to setup ICS (Internet Connection Sharing). ICS can also be setup in the scenario of USB connected cable modem + single network card.
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I am using Wi-Fi connection for my android device. It is signal is very week and most of the time i am fed up with internet connection not available.
But i have a PC in my hand with which is in LAN connection.. Is there any way to use this internet connection my mobile using USB cable?
Just curious to know that this will solve my problem. If yes, please give me in detail.
PC LAN connection to Mobile is not at all possible. But, you can use the mobile connection in PC using USB tethering.
Yes it is possible. Look for "USB Reverse Tethering" in the google play store. It is not easy but it is possible.
There also another way to do this, with "Virtual WiFi Router", they use the of your computer as hotspot. But take care when you install it, always refuse all the program they try to install on your computer. It is possible to install without adware program.
Take a look at this. It is the ICS (Internet Connection Sharing) setup guide for Windows 7 on Microsoft's website: http://windows.microsoft.com/en-US/windows-vista/Using-...