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

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ssh connection closes after successful login

I am trying to run ssh on my computer so I can control it with my android phone. When I scan my local network with overlook fing at my phone I get that my computer is running ssh at port 22. So I try ...
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How do I ssh into a User Mode Linux process [closed]

I have managed to startup a User Mode Linux session (see How to correctly start a Ubuntu user-mode-linux from the command line) although I'm still having an issue on startup I'm able to get networking ...
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How to restrict users on accessing my machine through ssh and VNC?

I dont want other users to access my machine through ssh and VNC.How to restrict this?As a admin i want to view and access all other system through ssh and VNC. Also only for my system ssh access ...
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1answer
133 views

Setting Up Automated Offline Back-Up

I am going to be running an Ubuntu Server. The server itself will be hosted at a co-location data center. I know how to access it remotely via SSH but I also want to set up a 2nd machine at my ...
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Why won't ssh-agent save my unencrypted key for later use?

Every time I SSH into another server from our headless Ubuntu server I am asked for the password to my key file. Even if I have previously connected to the server. Do you have any idea why this ...
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How to log off an user from SSH? [duplicate]

I am able to see logged-in users via the who or last command. How can I log off a particular user who login through SSH?
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5answers
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How do I suspend over ssh?

I guess this question is pretty much the same as How to configure dbus to allow ssh-user to suspend server?; except I wanted to formulate it better. Assume I have an Ubuntu server running nonstop, ...
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What is the difference between `ssh -Y` (trusted X11 forwarding) and `ssh -X` (untrusted X11 forwarding)?

What is the difference between ssh -Y (trusted X11 forwarding) and ssh -X (untrusted X11 forwarding)? As far as I have understood it, it has something to do with security, but I did not grasp the ...
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2answers
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After restart, how can I ssh into my system?

I have restarted my system remotely, but now when I try to ssh, I get the message ssh: connect to host desktop.hostname port 22: Connection timed out And when I try to ping it: PING ...
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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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SSH keys not working

I'm using ssh-keygen to generate a key on Ubuntu 10.10, then using ssh-copy-id to copy the key to two remote machines that are running 10.04 (one desktop, the other server). But here's the thing: I ...
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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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Can not log into SSH unless logged in locally

I just set up pubkey authentication on my server (running ubuntu server 10.10). If I am logged in to the server locally (at the box), then I can ssh into the server fine (from another machine). If I ...
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How do I change my username?

Some time ago when I installed Ubuntu I chose a rather stupid username for my account that I do not want to use anymore. How do I change this (including the name of my home directory, and the name ...
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2answers
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Move files with ssh

I know that I can copy files from my computers with scp. Is there a way to move them at once instead of copying with ssh?
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Is there a way to share resources of a machine by running a program on one machine, but display it on another?

Is there a way to sort of "share" processing power between two machines? I already use x2x and ssh to communicate between the two, but the two but that works with two moniters aswell. Is there a way I ...
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How can I disable/modify the SSH login banner for a given user?

How can I disable/modify the SSH login banner for a given user?
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SSH pubkey authentication works only if another session is already open

Permissions are set correctly on the server (chibi). If I do not have an existing ssh session open to the server, then all new sessions require a password. However if there's already one open, ...
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cat command - will it overwrite?

In order to pass the contents of one file to another we can, for example: cat ~/temp_minhakey.pub >> ~/.ssh/authorized_keys Let's say, we need to append more content to authorized_keys, but ...
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How to prevent seahorse from asking for a passphrase?

I've created one password-protected RSA key to access my remote server via ssh using key-based authentication and added it to seahorse using ssh-add. I would like to prevent seahorse from asking me ...
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copy with ssh with port other than 22

How do I copy files from my local to some remote server which hosts ssh on port other than default (22). I usually connect to the server using ssh username@remotehost.com -p 2000 Now I need to ...
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1answer
788 views

How do I define another default ssh identity?

id_rsa is, normally a default identity. However, I've created a new key and I would like to add that key as a default identify instead. How can we do that? Thanks a lot in advance.
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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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1answer
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What is the difference between “Connect to server…” and sshfs?

Can anyone quickly explain the technical difference between these two methods? Going to Places -> Connect to Server and select SSH (in GNOME) Using sshfs in terminal This probably boils down to ...
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1answer
267 views

Problem with Public-key Authentication

I've created new ssh keys on my dev box a while ago. I did: ssh-keygen -t rsa -C "myemail@mail.com" I copy the key to my shared host. Now I need to connect using the credentials on the key right ? ...
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1answer
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How do I remotely access my ubuntu virtual machine?

I have an Ubuntu Desktop edition virtual machine and I would like to access it via ssh remotely but if I'm not logged onto the virtual machine I cannot access it remotely via ssh. Only when I'm logged ...
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Does ssh key need to be named id_rsa?

I have come across this problem a couple of times when creating build servers with keyed authentication. I was wondering if anyone else has experience this. I have a couple of keys for my current ...
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How do I start “Ubuntu classic desktop” (no effects) from the command line

I am able to run sessions over an ssh connection but I rather use the "Ubuntu classic desktop (no effects)" version on Ubuntu 11.04 instead of the new Unity since I don't have 3d support on the laptop ...
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How to solve 'Connection refused' errors in SSH connection?

I have an Ubuntu Server 10.10 32-bit in my home. I'm making SSH connections to it from my PC via Putty. The problem is, sometimes I'm able to login seamlessly. However, sometimes it gives me an error ...
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How to get output from upstart jobs when logged in via SSH?

To monitor what my job definitions are doing, I would like to see text output from the jobs. That does not seem to be possible when I am logged on via SSH. I am having this problem with Natty 11.04, ...
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How can I break out of ssh when it locks?

I frequently ssh into my box at home from school, but usually when I change classes and my computer suspends, the pipe will be broken. However, ssh simply locks up - Ctrl+c, Ctrl+z and Ctrl+d have no ...
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How to get Rhythmbox running on another user account to see the audio CD I inserted?

I have inserted an audio CD. I have also logged into another account on the same machine through ssh -X. I can successfully launch Rhythmbox, but it doesn't see the CD I have inserted, even though it ...
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ssh tunnel and receiving Web pages through the tunnel

I've tried to create a tunnel torward a client passed through a server, using the following command ssh -X -f admin@IP_server -N -L 4444:IP_client:80 but when try to open client:80 by firefox ...
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Text reverses on remote gnome session

I have two computers running 10.4 . The first machine is a wired desktop with sshd. The second is a wifi connected laptop with the ssh client. When I use my laptop to bring up a remote gnome ...
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NX/SSH remote access with Remmina

After many days and a lot of frustration, I managed to get freenx to work on my home server. I can connect to it with nomachine's linux client, but I want to use Remmina for this purpose. The problem ...
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1answer
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Add an SSH option to an sftp URL in nautilus

I'm connecting to a remote server in Nautilus using an URL of the form sftp://server.com. However, due to a thing with that server I need to add an option when connecting via SSH, otherwise the login ...
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SFTP GUI +SSH Key

Is there any application that allows connecting via SFTP using private keys rather than password? I know that I can do that via Nautilus, but I would prefer some standalone application.
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Redirect existing windows via SSH and X11 forwarding?

Using ssh -X user@host I can start programs on the host and X11 forwarding allows me to see their windows on the remote machine. However, I'd like to be able to forward/redirect existing windows. How ...
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452 views

How do I set up a server for SSH?

At my workplace (a university) we have two Ubuntu servers. One is a teacher server and the other is a student server. I am currently setting up a new server to replace the existing teacher server. ...
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Is there a way to use a SSH connection to access SMB or UPnP files without setting up a VPN?

What I'm trying to do is set up a SSH key that only gives access to certain directories, for security reasons I don't want it to have full access to my SSH server. I already have the ability to access ...
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1answer
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Turning off XON/XOFF when SSHing via PuTTY

I have a fresh install of Ubuntu 9.10 on a rented dedicated server. When I ssh to it using PuTTY (on a Windows machine), I find it responds to Ctrl+S and Ctrl+Q as XON/XOFF transmission control ...
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How to print over ssh?

I have the following configuration: P == U ---------------- W P is a HP Laserjet, connected to U, which is an Ubuntu 10.04 desktop machine with a standard gnome setup from the live cd. I just ...
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How to generate a private-public key using ssh-keygen and make it authorized?

I want to generate a public-private key on Sever 1 and store it in a location which is not the default location. Thereafter, save the public key on Server 2; once again NOT at the default location. ...
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Execute commands on remote computer

I run a command from my computer: ssh user@server-name "df -hP | egrep '(/home|/cors)'" the problem is that i get 3 more rows: tput: No value for $TERM and no -T specified tput: No value for $TERM ...
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3answers
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Launch a GNOME session in a Ubuntu machine I'm SSH'd into?

I'm sshing into my friends machine and I'm wondering how would i launch a GNOME session over SSH? I need to open a web browser on his machine to view something which can only be done from his ...
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2answers
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SCP not working with a .ppk key

so I need to connect to a remote server. Remote server is running Debian, I am on Ubuntu Lucid -- and a noob in SSH. I need a public key to connect to the remote server. The key has been created as a ...
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How do I import existing SSH keys into Seahorse? [closed]

Is there a way to import existing SSH keys to Seahorse?
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How do you manage SSH keys?

I have a server with multiple users which each have multiple authorized SSH keys. Is there any effective way (command line utility?) to keep track of which key belongs to who and to quickly remove/add ...
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What does “pts/” in the output of w mean?

When I run w - to see who is logged on and what they are doing, i see this: USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT user tty7 :0 08:14 10:32m ...
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Unable to connect to remote server via SSH (requires public key)

So i've been given access to ssh a server. I have the username/password, but server apparently requires a public key (now bear in mind that i am a noob in ssh). When I do: ssh -p 52 user@server.com ...