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

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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 ...
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Does SSH use any compression?

I am curious, does SSH compress its data before sending/receiving it? If it does not by default, then can it be turned on?
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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 ...
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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 ...
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5answers
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How do I set up an email alert when a ssh login is successful?

Does anyone have a bash script that will email or notify someone in the case of a successful login to a ssh server? I want to be notified if anyone logs into my personal box. I'm using Ubuntu 12.04 ...
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2answers
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How do I kill a locked SSH session? [duplicate]

From time to time, SSH sessions to my servers just freeze up and then neither Ctrl+C nor Ctrl+\ do anything. How do I quit the session without just closing the Terminal it's in? Clarification: ...
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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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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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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 ...
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1answer
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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 ...
23
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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' ...
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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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1answer
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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 ...
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4answers
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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 ...
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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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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 ...
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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 ...
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4answers
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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 ...
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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 ...
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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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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 ...
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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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2answers
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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. ...
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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 ...
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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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1answer
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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 ...
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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 ...
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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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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 ...
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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 ...
18
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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 ...
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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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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 ...
17
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1answer
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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?
17
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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 ...
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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?
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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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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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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. ...
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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 ...
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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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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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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 ...
16
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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 ...
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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7answers
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Where is “Connect to Server” for ssh connections in Unity?

Cannot find "connect to server" in 11.04, looks like unity doesn't have it. Is there other very similar way to connect to another Ubuntu computer via SSH? (not in terminal)
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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 ...
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5answers
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How do I suppress the “New release '12.10' available” message?

When I ssh into my Mythbuntu box, I get this message: Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-32-generic x86_64) * Documentation: https://help.ubuntu.com/ New release '12.10' available. ...
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Is there a GUI utility to mount remote filesystems over SSH?

Is there a GUI utility to mount remote filesystems over SSH (SSHFS)?