SSH, otherwise known as "Secure Shell", is a method for securely connecting to a remote computer.

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copy ssh private keys to another computer

I need to use another computer to access my ssh server. This is because a recently implemented vpn at my university doesn't work on my current computer and I have lost access to the server. I ssh ...
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4answers
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How does using the tilde work as a shortcut to my home directory?

I was confused, trying to copy some files from one PC to another. I have it figured out, but the syntax is still confusing to me. This works: scp ~/Desktop/Volenteer.png jay@server.ip:~j0h/b which ...
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6answers
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Personal computer hacked: How do I block this user from logging in again? How do I find out how they are logging in?

I am 99.9% sure that my system on my personal computer has been infiltrated. Allow me to first give my reasoning so the situation will be clear: Rough timeline of suspicious activity and subsequent ...
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5answers
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passwordless ssh not working

I've tried to setup a password-less ssh b/w A to B and B to A as well. Generated the public and private key using ssh-keygen -trsa on both the machines. Used the ssh-copy-id utility to copy the ...
25
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6answers
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X11 Forwarding over Gnu Screen, is it possible?

I use GNU Screen constantly. But, I've been trying to figure out if there is someway to get X11 apps to forward over screen when I am ssh-ing (Is that a word?). Currently if I try to run 'gedit' ...
25
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2answers
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Modify the SSH welcome message to include system IP address

I have had a couple of occasions where I was unable to remember the IP address for a given system but was, at the time, able to connect using the hostname. As an example, just now I wanted to set up ...
25
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4answers
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sudo: no tty present and no askpass program specified

When attempting to run a remote binary using sudo on the remote box: ssh remotehost "sudo ./binary" I see this error: sudo: no tty present and no askpass program specified How can I work ...
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4answers
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How to setup passwordless SSH access for root user

I need to configure a machine so software installation can be automated remotely via SSH. Following the wiki, I was able to setup SSH keys so my user can access the machine without a password, but I ...
25
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2answers
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Host alias for ssh

There are a few SSH destinations I will frequently be connecting to and I'm wondering if rather than remember the IP address I can create a host alias for them. I'd like to be able to use... ssh -p ...
24
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2answers
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Disable password access through SSH?

I'm setting up a server for backing up my desktop box remotely. I want to prevent remote password access to the server, permitting only users with private keys (AKA my desktop box) to access it. How ...
24
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5answers
125k views

How to set up remote desktop sharing through SSH?

Is there a way to view (and control) a remote desktop through SSH? I will not have physical access to the remote host machine.
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3answers
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Where is the SSH Server Fingerprint generated/stored?

I installed openssh-server and created a key with ssh-keygen. I then attempted to test it using local port forwarding by doing ssh -L 8080:www.nytimes.com:80 127.0.0.1. However, the key fingerprint ...
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How do I force SSH to only allow uses with a key to log in?

I tried following the instructions here: http://lani78.wordpress.com/2008/08/08/generate-a-ssh-key-and-disable-password-authentication-on-ubuntu-server/ to only allow users with a public key on the ...
23
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4answers
27k views

How to get coloured terminal over ssh?

When I connect over ssh to remote hosts everything is just a single font/color. I would like to have colours like I do locally e.g. green for executable and blue for symlinks etc. And such that when I ...
22
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1answer
23k views

How do I send a notify OSD message to a remote user via ssh?

Sometimes we need to send a message to a remote user. We can display messages on our local desktop using Notify OSD, but we are unable to send a message to the remote user's desktop. We tried the ...
22
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6answers
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SSH Public Key - No supported authentication methods available (server sent public key)

I have a 12.10 server setup in a virtual machine with its network set to bridged (essentially will be seen as a computer connected to my switch). I installed opensshd via apt-get and was able to ...
21
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5answers
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How do I SSH to machine A via B in one command?

I want to access a computer, say machine A which is based in my university's network. However, this computer is only accessible via the internal network of the university, so I can not use SSH to this ...
21
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1answer
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How do I tunnel and browse the server webpage on my laptop?

I run a web app in one of my lab servers, and I have already setup X11 Forwarding on those machines. Other lab members can tunnel through SSH, and browse that web app on their local browser at home. ...
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6answers
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What terminal-based network speed tests are available?

I'm looking to find a way to test my internet speed at home through ssh. Does anyone know a terminal app that can give me calculations similar info to speedtest.net? It would also be really cool ...
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14answers
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Trying to do ssh authentication with key files: server refused our key

I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server. I downloaded puttygen.exe ...
20
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1answer
67k views

Copy folders (not one file) using SSH ubuntu? [duplicate]

I am trying to copy a folder to remote Ubuntu server using command line ssh connection, i understand it's doable to transfer a file using scp but i have many files in a folder iam trying to copy to ...
20
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8answers
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SSH Permission denied (publickey)

I have tried searching previous questions for answers to my question but all of the answers that have been suggested previously haven't worked for me. I am trying to connect to a linode (running ...
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2answers
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Unable to initialize frontend: dialog when using ssh

I am executing the following command over ssh in a testing environment, as root: ssh <remote_srv> "apt-get autoremove" In my sshd_config I have "PermitRootLogin without-password" and I have ...
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5answers
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How to run an SSH server without a static IP address

I have a powerful computer in the lab and I installed Ubuntu 11.10 64-bit on it. I want to install an SSH server on it, so I can reach it from home and even from my Android via ssh. But I haven't got ...
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5answers
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Start ssh server on boot

I've been doing my google-fu, but I can only find outdated guides or guides pertaining solely to the server variations of Ubuntu. I need to set it up so that ssh server is run on boot, so I can ...
19
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1answer
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How do I set up SSH authentication keys? [duplicate]

Possible Duplicate: How can I set up password-less SSH login? I am using ssh to connect to a remote server. I am prompted to provide a password each time, but I recall being able to set up a ...
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3answers
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How to launch a new instance of Google Chrome from the command line?

Is there any way I can launch a new instance of Google Chrome from the command line? I'm not referring to opening a new window - I want a new instance. Here's why: Suppose I open Chrome and navigate ...
19
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4answers
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Open another terminal window with the same SSH session as original window

Is there a way to open a terminal window ( or tab ) with another instance of an open SSH session ? EDIT: I have a terminal window with a remote ssh session into a server. I want to open a new tab ...
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6answers
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Switch encoding of terminal with a command

One of the servers I quite often ssh to uses western encoding instead of utf-8 (and there's no way I can change that). I've started writing a bash script to connect to this server, so I won't have to ...
19
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2answers
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Connecting to Ubuntu server via SSH externally

I have recently installed Ubuntu Server 12.04 (Precise Pangolin) and intend to use it primarily as a file server. I am completely new to Linux, so this is a pretty big learning curve. Yesterday I was ...
19
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2answers
14k views

How to use multiple ssh keys with different accounts and hosts

i have multiple ssh keys and i have also have account on bitbucket and github. how when ever i use pull it gives me error :/var/www/proj$ git pull origin master conq: repository access denied. fatal:...
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How to speed up SSH login?

From outside of my house, whenever I login to my Ubuntu server using SSH, it takes about 6 seconds for me to get the prompt for password, however when I login to my web hosting server it takes about 1 ...
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Mount remote directory using SSH

How to mount a remote directory using SSH to be available same as if it is a local directory?
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How can I audit users and access attempts to SSH on my server?

I've had a few security problems with a server of mine, a few SSH users have been setting up fires aka giving problems. I would like to: Track user logins and logouts Track activity of these SSH, ...
18
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1answer
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ssh: connect to host localhost port 22: Connection refused [closed]

Although This has been discussed, but still i am not able to solve this. Here is a quick review of what i did and how i got into the trouble: Installed Ubuntu 12.10, installed ssh, sudo apt-get ...
17
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3answers
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How do I backup ssh keys?

I am planning to do a fresh install of ubuntu 11.10 in my system. Before that i have setuped key based ssh authentication in this machine. Is it possible to take backup of those ssh keys, so that i ...
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How do I route my internet through a SSH tunnel?

Old Q How do I setup an OpenVPN server without root privileges? Is there a way to setup an OpenVPN server without root privileges? E.g. with configuration files in my home directory? If yes, how do I ...
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3answers
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Using scp to copy files from remote to home machine

This is probably a simple error, but I can't work it out. My computer hostname is Felix (hostname -f returns Felix) I am trying to move a file from my university account to my home computer using scp. ...
17
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How can I install Ubuntu on a device without a screen nor a keyboard?

This is tricky. I would like to install Ubuntu on a machine that is intended to work as server, and for some reason I do not have an option to connect a screen to it. I expect this may be similar to ...
17
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Unable to start sshd

I'm new to Ubuntu and trying to start sshd but having a lot of problems. I've tried uninstalling and reinstalling ssh by running sudo apt-get remove openssh-client openssh-server and sudo apt-get ...
17
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2answers
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Remote login with graphical display manager (GDM, LightDM)

Is it possible to remotely (via ssh) make a login to GDM? I'll explain a situation in which I'd need this: I'm on my laptop and connect to my desktop via ssh. I realize there are some updates ...
17
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2answers
978 views

Accidentally typed password in username input, any logs to clear?

I have accidentally typed my password in SSH's interactive username prompt. Are there any log files that I should clear?
16
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10answers
9k views

Long wait time on login

When I log in on my server I get this: No mail. Last login: Fri Nov 5 14:22:45 2010... then I must wait for 5 sec and then is ready... wolfy@ubuntu-server:~$ Is this wait time normal or should ...
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6answers
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How to secure ubuntu server from bruteforce ssh attacks?

I have my passwords secure, but I heard people complaining about perfomance of a server going down drastically when a bruteforce attack is taking place. How can I secure my ubuntu 10.10 server from ...
16
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2answers
1k views

How to transfer the identity (SSH) of a machine to a new machine?

I am making a new Ubuntu machine as a server, which is supposed to replace an old one with older software. My question is: Is it possible to transfer/copy the credentials (in terms of SSH) of the ...
16
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6answers
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SSH problem - Read from socket failed: Connection reset by peer

I can SSH in one direction with no problems: OK: ssh user@computerA but the other way: ssh user@computerB I get Read from socket failed: Connection reset by peer. I don't even begin to know ...
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How can I reconnect to a ssh session after a broken pipe?

So I was running apt-get upgrade on a server when the router decided it had been too long since it last made me angry: It dropped all connection. Moral of the story is to use screen a lot when you're ...
16
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1answer
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Couldn't connect to accessibility bus

When using ssh with X11 forwarding, I am getting various errors and warnings when running gui applications. As an example, any time I am running gitg, I get the following warning: ** (gitg:15904): ...
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4answers
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Automatically change Terminal colors on remote connection?

Is there a way to automatically apply a terminal profile when connected to a remote machine via SSH? I'd like more obvious visual cues that I'm connected to a remote machine than the user/host ...
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8answers
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ssh no longer allows public key authentication

My machine recently stopped accepting incoming public key authentication. I have an ubuntu 11.04 desktop that I ssh into from a windows machine. I use putty with pageant. I am able to connect but ...