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

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Unable to fix unmet dependencies ubuntu server

i am not able to install some packages, i got this error, i already tried all clean and -f options with apt-get. also tried this Unable to fix unmet dependencies but it did not work for me. Running ...
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69 views

External ssh not working (port already forwarded)

I'm setting up my first home server from an old pc. I've installed Ubuntu Server 15.10. I've been trying and doing some research but I couldn't make the SSH work from an external computer, it always ...
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During VNC/SSH, push VGA output from host machine

[Very short version: Is it possible to "push" video from the VGA port of a host machine while accessing said machine via VNC or SSH?] I have been experimenting with an old ThinkPad T60 laptop as a ...
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88 views

Destroy ssh tunnel if exists and create new one

I open a reverse ssh tunnel after the OS reboot (on office pc to a dedicated server). I put it into cron by @reboot /myssh.sh. The ssh opens a port on server. My problem is : If the OS (office pc) ...
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midnight commander freezes on remote file copy over fish/ssh protocol

I'm using midnight commander (mc), version 4.8.1 shipped with Ubuntu. when I try to copy a file from remote ssh server over the fish/ssh protocol, mc freezes at 0%, and I had to terminate it. I tried ...
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43 views

Conditional shell script execution on NAS

I've got NAS, more specifically QNAP TS-251 running Ubuntu (but kind of modified one - it doesn't have terminal). Since none on QNAP forum was able to answer me, I've decided to create a post here. ...
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19 views

Run a process as SSH starts

I would like to run a process as SSH is completing its handshake. Are there any events that I can subscribe to? I would also like to get the PID of the ssh connection. How should I approach this ...
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78 views

SSH secure shell not working with vim colors

The script: 256colors2.pl when run from putty returns the correct colors, from SSH secure shell nothing happen, it doesn't open, on-screen appears nothing. user@ubuntu:~$ ./256colors2.pl ...
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67 views

Remote Desktop connect with SSH client

I have went through openssh server set up but it seems all command line. Is there a gui for it? The main option I am looking for is a way to know people connected to the server real time and ...
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1answer
140 views

Meaning of: Identity added: .ssh/example_rsa ((null))

I SSH connected to a server using: ssh -i ~/.ssh/example_rsa root@xxxxxxxxx I got the following response: Identity added: .ssh/example_rsa ((null)) I'd like to understand: Added to what? What ...
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1answer
26 views

Configuring my device(atmel embedded board) only logging permission to me : deny all other users trying to log in

First I will explain my needs. I want to configure my device (Atmel Embedded Board), for log in without password through SSH. I Googled it and found out the solution for that. Now I can log in to the ...
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Passwordless SSH only works when I'm already logged in on SSH

So I set up passwordless ssh using the following: How can I set up password-less SSH login? After setting this up, I'd expect that I wouldn't need a password to ssh. My issue is that on my first ...
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122 views

sudo ssh-add /root/.ssh/id_rsa return error

I m trying to save ssh authentication with the command ssh-add for sudo usage: linux$ sudo ssh-add /root/.ssh/id_rsa Could not open a connection to your authentication agent. but as indicated it ...
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2answers
23 views

where to save my ssh key file

I know that for any user I have to save the ssh key file into: /home/any_user/.ssh/ But I do not know where to save the ssh key for the sudo. Is it under /root/.ssh ?
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1answer
106 views

Cannot ssh as root to my virtual machine

I have an Ubuntu virtual machine to which I can ping perfectly from my host. I created a root password and I can use it normally too. I also changed the ssh-conf file such that root login is ...
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37 views

Crash X manually

I'm working on a the famous freezing of X server. I've already created a question about frozen X server detection As I don't have relevant answer yet, I'm wondering if anyone knows a way to ...
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1answer
54 views

How to copy clone folder to remote computer in one line?

I have two machines with the same folder structure. One is my personal computer, the other is a remote computer. Sometimes I want a program to run on the remote computer. At the moment I always need ...
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31 views

External access with SSH

I need to remotely access my Ubuntu 14.04.3 LTS Trusty server. SSH is already installed. My question is what address should I use for access from outside the network where the server is
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How do I configure ssh to ask me for my password in the terminal instead of in a dialog box?

On Ubuntu Mate, whenever I try to push to github, I get a dialog asking me to "Enter password to unlock the private key", instead of it it prompting me in the terminal. How do I configure ssh to ask ...
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2answers
254 views

ssh as socks proxy - channel 5: open failed: connect failed: Connection refused

I experience difficulty using ssh as socks proxy. Some details... I connect to remote host using yakuake ssh user@remote.host.domain -D5902 also I use 127.0.0.1:5902 as my socks v5 proxy in ...
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1answer
34 views

Control a script that runs at start-up through SSH

So I have a server running that runs a few scripts automatically at start-up. They run a few programs that allow you to execute commands from them. This has been going fine but now I am wondering if ...
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How can I copy an SSH private key from a USB memory stick to a new Ubuntu machine? [duplicate]

I have some private keys on a USB stick. I want to copy them into a new Ubuntu machine. I realise I could just create new keys, but it is annoying for me to have to do that. I am using a LiveCD ...
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38 views

SSH forward of remote port to radicale server port (bind: Address already in use)

I used to use ssh to forward the remote port 5232 to the same local port on which a radicale DAV-server is running. I used to do this on Ubuntu 14.10. Now, on Ubuntu 15.10, this does not seem to work ...
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48 views

Exact steps for configuring a remote ssh terminal

Could anybody tell me the exact steps to make a secure connection from my server to my external IP address using SSH... I would like to access my Ubuntu server from other places... But securely.
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26 views

Server goes in hung mode and can't be accessible through ssh

One of my virtual server running (Ubuntu 14.04.3 LTS) goes in hung mode and can't be accessible through ssh.once we hard reboot the server it comes up again and accessible through ssh. Attached snap ...
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25 views

Messed up permissions

I tried to remove file permissions for 'other' from all user directories. So I did cd /home/ Then Instead of sudo chmod -R o-rwx * I typed sudo chmod -R o -rwx *, which resulted in some troubles. ...
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148 views

Can't Forward X11 from ubuntu 14.04

I'm trying to forward x11 traffic through ssh tunnel from my ubuntu 14.04 to another ubuntu machine in my lan, i connect to ubuntu ssh server using ssh -X myuser@172.16.31.2 ,it connects but when i ...
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How to supply password through command while performing SSH login? [closed]

I want to perform SSH login to a machine by directly supplying password through the command line like the way we do for executing sudo commands as shown below: echo mypass | sudo -S sh -c 'echo ...
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36 views

Ubuntu Server 14.04.3 i386 won't install on 32bit CPU

As title says, I downloaded 14.04.3 i386 and it tells me that I can't install it because I don't have a 64bit CPU yet it's 32bit OS? I think my CPU is 32bit aswell, I'm un-sure at this point, so I'm ...
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37 views

MAAS Deploying nodes hangs after SSH Key is shown

Everything was working fine, and then some configuration got changed that now has new nodes failing to finish being deployed. They get to the point where the SSH key is shown, with some Could_init ...
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31 views

soft/hard behavior of distributed mpi process

I use Ansys FLUENT software frequently and for huge cases I use its parallel option. I saw that running parallel jobs in windows OS behaves similar to soft connection(when a node connection drops, it ...
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Restrict Other folders in jailkit

In the jail kit, I don't want to see the following folders bin dev etc home lib64 usr Only my home directory. how can i do this. Thanks.
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Unable to move files of 10gb+ via Samba

Yesterday I set up an ubuntu server with the newest OS etc. I selected SSH, and samba file server aswell as basic features when I installed it. I updated / upgraded / dist-upgraded and then wanted ...
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Keeps asking for password or passphrase after copying sshd_config and id_rsa and id_rsa.pub keys

I have recently had to reinstall ubuntu 14.04 and copied the /etc/ssh/sshd_config and all ~/.ssh/* files from the backup I had. I was hoping this would reinstate the system as it was without having to ...
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How can I use the host's keyboard for a 'remote' SSH session from a tablet computer?

The perhaps slight odd requirement is this: I have a computer running Ubuntu I have an iPad from which I can SSH into said computer I'd like to use the iPad as an extra terminal screen Things I ...
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76 views

how to automate ssh login with password and ppk?

Hi I would like to automate my ssh, where frequently I use to enter my login name, password and attach a ppk file to enter into my server. Is there any way to automate this process using python, ...
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Are ssh keys generated individually by Ubuntu Server LTS 14.04 setup?

Let's assume freshly installed and updated&upgraded Ubuntu Server 14.04 LTS with ssh server. Does installation scripts generate new ssh keys for each installation (so I am safe having unique ...
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juju openstack juju-bootstrap not working properly

I have configured juju with local and openstack. I followed the following link: http://blog.felipe-alfaro.com/2014/04/29/bootstraping-juju-on-top-of-an-openstack-private-cloud/ for configuring juju on ...
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every month ssh stuck (and not only ssh)

I know almost nothing about this server. It was setup before I joined my company and I never used until now. My colleague told me that every month the ssh stop working. The server is still up because ...
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62 views

I need a chroot user to now have ssh public key access

I have previously setup a chroot to lock sftp users to their home directory only. So I have this in sshd_config Match User theuser ChrootDirectory /home/theuser AllowTCPForwarding no ...
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What exactly do I put in the SSH section under MAAS and how do I create it?

I am pretty new to Linux but have dabbled in years passed. After coming across Ubuntu Autpilot I decided to give it a whirl. After much messing around and getting stuck I finally got a working copy of ...
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53 views

ssh session (from ubuntu to centos) prompt delayed after a while

I do a lot of work on a centos (7.2) machine into which i ssh from an ubuntu (14.04) machine. Everything works fine, almost. But after a while on the remote, usually a couple of minutes, I have to ...
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96 views

Ubuntu server and ubuntu with netbeans remote connection: upload permission denied

I have a project on a remote server (ubuntu server 15.04). I can download my files from /var/www/html with no problem. But I can't change and reupload them. I get permission denied when renaming a dir ...
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38 views

Using multiple SSH keys

I have an Ubuntu 14.04 server with one SSH key set up. Connecting with that key works as expected, no problems. I'm trying to add a second key, however, and I can't get it to work. My authorized_keys ...
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1answer
102 views

Remote SSH command requires a terminal

So for one of my servers, most of what I do is edit files with vim. Is it possible to do something like ssh me@myserver vim ? When I try to do that, I get "Warning, output is not to a terminal", and ...
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155 views

Terminal: Check the status/progress of a running application?

Let's say I run a process on machine 1: sudo badblocks -sv /dev/sdb and I'd like to check the status of that running process on machine 2. Of course I'd SSH into that box, but what kind of Terminal ...
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How to ssh into a server running on a home network, behind a router?

Okay, so I have a PC in my home network, running Ubuntu on a VM with openssh server installed. How can I remotely access it from another computer outside the home network, using the internet? What ...
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93 views

Vagrant up (with Ansible) problems. Failed to boot the virtual machine

I'm using ubuntu 15.04, and i wanted to install vagrant with ansible. When i vagrant up i get the following error message: This is my vagrant file ==> default: Successfully added box ...
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62 views

How to send SIGKILL and SIGSTOP to a process on remote shell?

There is a program running infinitely on remote shell, which doesn't give me access to its login shell.(i.e, Whenever I login I see that program running on the console). I wan't send SIGKILL or ...
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279 views

ssh connection closed right after login – Exit Status -1

I've been getting this error recently from a server that I admin, not sure what is going on. Here's the output of a -vvv login: ssh -vvv user@server OpenSSH_6.9p1, LibreSSL 2.1.8 debug1: Reading ...