0
votes
1answer
18 views

Is it possible to log into a remote LAN user using the ssh client without using his password?

I am on a LAN network having around 50 systems using ubuntu. I know the root user password used by most of the systems. If i know the root user password of a system, is it possible to ssh into that ...
0
votes
0answers
42 views

VNC across the internet through SSH tunnel to another machine on LAN?

My family often gets me to help them with computery things that they can't do themselves, but this has become difficult as I've moved to another city to study at university. I managed to set up a ...
7
votes
4answers
177 views

Cannot SSH from outside LAN despite port forwarding seems fine

Running Ubuntu 12.04, I've set up the OpenSSH server. I can connect from within LAN, but not from outside. I am using the same sshd_config file as on my other Ubuntu 12.04 machines (that sit in a ...
1
vote
2answers
1k views

openssh server is refusing connections by blocking or resetting

On a quite fresh install of Ubuntu 14.04 (machine1), I have openssh-server with a completely default config. When connecting from machine2 on the LAN, with an empty ~/.ssh, I get the following debug ...
2
votes
1answer
327 views

Can SSH with IP but not host name?

When I SSH directly to the server's IP address, it works. (ssh michael@10.1.10.129) For reference, here is the resulting prompt: michael@noranetserver:~$ However ssh-ing by name doesn't work like ...
0
votes
3answers
178 views

IP address has incomplete MAC

I have a case of clients on my LAN losing its MAC address. This seems to happen randomly to clients even though they had both an IP address and MAC addresses (when "arp") during the initial boot up. ...
1
vote
0answers
719 views

Suddenly cannot access SSH on LAN

I had ssh running on my LAN server. Suddenly (not sure what I did), I cannot access the LAN server via ssh. When I try, it just hangs for a while with no response and finally comes out with a timed ...
0
votes
3answers
608 views

How to connect to Windows PC in graphical mode?

My basic desktop PC uses Ubuntu 12.04. However for work I need a few programs (like Hec-Ras) that I didn't succeed to run trough wine or play on linux. I thought of easy solution: to connect Windows ...
1
vote
0answers
530 views

Suddenly cannot SSH into server from LAN, but can from outside LAN?

This is the weirdest problem I've ever had with trying to ssh into a server. Suddenly I can't ssh from my workstation to the server on the LAN. I can do so just fine from home, however. ...
0
votes
1answer
2k views

Cannot ping/ssh computers in LAN (including gateway) but can still access the internet

Hello people from AskUbuntu: As the title says, even though I can access the internet, for some reason, I can't ssh/ping computers in my LAN. In addition, only computers from outside the LAN can ssh ...
1
vote
1answer
223 views

ssh within a local network from a large number of systems without password

i read about logging into remote systems using ssh without entering password; and i've established in my system and is working pretty awesome. now the problem occurs when it comes to a local network, ...