OpenSSH (OpenBSD Secure Shell) is a set of computer programs providing encrypted communication sessions over a computer network using the SSH protocol.

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Unrecognized Service ssh when building from source

So I have a web server that is running 14.04LTS because that is the latest Ubuntu Distribution I can have through my VPS. I have been trying to install OpenSSH 7.2p2 via building the source code via ...
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1answer
381 views

OpenSSH : Putty won't work with Ubuntu server 16.04

We use Putty to access our Linux servers from our windows workstations... Today we created new servers with Ubuntu server 16.04 and installed openssh with tasksel (as allways). When we try to ...
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2answers
29 views

Can't use SSH at all

I'm having some problems when trying to use the command ssh-copy-id in my server, unfortunately I get the following response: ssh: connect to host 192.168.10.10 port 22: Connection refused I can't ...
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2answers
19k views

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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0answers
44 views

Log in to ssh slow for one user, but not another

I'm running a server at home with Ubuntu 14.04. I have two users on the machine, say user1 and user2, each able to ssh into the box. While user1 logs in very quickly, user2 takes about 20 seconds to ...
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2answers
11k views

Installed 15.04, cannot restart ssh daemon

As the title says, I installed 15.04. One of the first things I did was sudo apt-get install openssh-server. The next command was sudo restart ssh, which is greeted with an output of: restart: ...
85
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3answers
111k views

ssh: automatically accept keys

I've written this small utility script: for h in $SERVER_LIST; do ssh $h "uptime"; done When a new server is added to $SERVER_LIST, the script is stopped with: The authenticity of host 'blah.blah....
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votes
2answers
6k views

X11 forwarding in SSH

How to run X11 GUI applications from a remote server using SSH? For example: my first desktop 192.168.1.1 my second desktop IP 192.168.1.12 I 'm sshing from my first desktop to the second and i ...
3
votes
1answer
24 views

Where does openssh-server get the “Last Login” information from?

Where does openssh-server get the "Last Login" information from? I recently logged in remotely from a Windows machine using SSH Secure Shell 3.2.9 and the reported last login was from a network ...
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1answer
51 views

Difference between pgp protocol and rsa protocol [closed]

These are the two widely used protocols in a number servers and email applications for security with public private key pair. What is the difference between them? What are the other popular protocols ...
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1answer
105 views

Please explain the complete steps involved in the installation of OpenSSH server on Ubuntu [duplicate]

I am having trouble installing openssh-server in Ubuntu. Particularly I want to know how to generate RSA public private key pair and the related concepts. What are the modifications to default config ...
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0answers
40 views

gedit not opening any file when launched from terminal, not only system files

My gedit application is working as normal when I launch it from launch menu and I can do all the kind of things. However when I go to terminal and issue the following command: gedit text1 Then I ...
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3answers
12k views

How do I get SSH server to work with putty client?

I have an Ubuntu 12.04.01 desktop PC, 64-bit. It has openssh-server installed. When I SSH to the server from a linux box it works. But when I use PuTTY from my Windows 7 PC to connect then I just get ...
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0answers
8 views

SSH Over Internal 10.42.0.1 IP?

Ubuntu 16 on both devices. The host machine running my ssh server is using a VPN. I created a wifi hotspot with a second adapter that shares my VPN IP with anyone connected to the hotspot. Now I'm ...
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0answers
17 views

How to use one machine as master in a cluster

I made a cluster using CSSH contains 10 machines in a network inclusive the machine that I use (currently opened machine) and the IP addresses are stored in /etc/clusters , after I opened them using: ...
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1answer
34 views

how can i acces website on linux server?

I have installed ntopng in my linux server and ntopng has web interface. But linux server doesn't and i want to connect my linux server somehow to my other computer in the same network which has ...
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0answers
45 views

Can't clone porject from bitbucket & github

I can't clone projets and I don't know why... I reinstalled ubuntu this morning, generated a public key with ssh-keygen and added my public key ~/.ssh/id_rsa.pub to bitbucket and github... EDIT 2 - ...
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0answers
12 views

OpenSSH: Slow typing speed when in pseudo terminal [migrated]

Problem Recently when connecting to remote machines using SSH, I've noticed that there is a distinct delay of around 1 second between me typing something and the characters actually appearing. If I ...
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1answer
10k views

How to generate Openssl .pem file and where we have to place it

I want to generate a OpenSSL .pem file to allow the remote login via ssh using .pem file at the place of password. I am able to generate key as well as .crt and .pem file using the following sudo ...
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1answer
24 views

ssh or openssh not listed in the Ubuntu Software program

I am trying to install ssh on a fresh install of 16.04 LTS but it is not listed in Ubuntu Software program
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1answer
88 views

OpenSSH index out of bounds when trying to connect

I am trying to connect to a SSH server that is out of my control with the following command: ssh -v user@12.34.56.78 -p 12345 Previously, this command works on Ubuntu 14.04 with OpenSSH version 6.6....
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3answers
77k views

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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1answer
64 views

SSH connection timed out externally, but works internally

Recently I tried to set my Ubuntu 14.04 desktop computer (I will call it "computer A") as a ssh server so I could access it remotely from my laptop (I will call it "computer B"). I installed openssh-...
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1answer
102 views

Mitigating CVE-2016-3115 By Disabling X11Forwarding

I want to mitigate CVE-2016-3115. The report from OpenSSH states that the vulnerability exists when X11Forwarding is enabled. It shows as enabled in my /etc/ssh/sshd_config, but I don't know why. It'...
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1answer
79 views

Troubleshoot ssh prompting for password

I am using Ubuntu 15.10 and I am having trouble to login through ssh without password although I added my ssh keys. It was working before and then suddenly stopped working. I do not know what I did ...
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1answer
44 views

How can'i pass this “ openssh-client' has no installation candidate ”

I am trying to use ssh command, but I have this: sudo ssh git-codecommit.us-east-1.amazonaws.com [sudo] password for dali: sudo: ssh: command not found So when i am trying to install openssh-...
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1answer
38 views

Ubuntu SSH & HTTPS Connection Issues after OS update

So yesterday everything was working great. My Ubuntu 14.04 was updated with linux-image-extra-3.13.0-85.129 update. When I start the computer this morning, I noticed that I can no longer SSH to my ...
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1answer
69 views

ssh:permission denied,please try again

I am having two laptops both having ubuntu 14.04 LTS and they have wireless connection. When I try to access other system,it says permission denied,try again.What to do? The following after I type ...
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votes
5answers
127k views

SSH Connection Error: No route to host

There are three machines in this scenario: Desktop A : user@1.23.x.x Laptop A : user@1.23.y.y Machine B : user@192.168.z.z All the machines have Ubuntu 11.04 (Desktop A is a 64bit one) and have ...
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5answers
121k 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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2answers
417 views

Can't get SSH to work

I tried to set up an ssh connection using an RSA key but I can't get it working. My permissions are ok, I set in the sshd_configfile that it has to use a public key for authentication, I of course ...
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2answers
270 views

Passwordless ssh to vagrant to load another user after vagrant ssh

I have a new user in my vagrant box(trusty64) and I am trying to ssh into it. Instead of logging into vagrant user after vagrant up, I want to login to my username. What I have done so far Created ...
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1answer
9k views

Limit SFTP user access to specified directory

I have a Ubuntu 14.04 server installed with open ssh. I'd like to configure sftp for customers to be able to download files only. In other words, I put files in a directory that they are jailed to. ...
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1answer
31 views

SSH locked out need to put files onto server

Okay this is my last hope I have a server which i am locked out on because we were testing some different host files in the /etc/ssh folder. I am trying to get my back up onto the server so that i ...
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vote
1answer
34 views

Unable to use apt-get on Ubuntu 12.04 Virtual Machine

My ubuntu was working just fine but today it has started giving me problems. I am not able to use apt-get. there is some openssh dependency issue. I tried to solve by reading forums but I could not ...
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1answer
31 views

ssh Help logging to remote VMware

http://imgur.com/PLCiwWh Can anyone help me figure out that I am doing wrong here? I am trying to remotely login to another virtual machine.
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48 views

SSH permission denied from Linux Ubuntu to Windows using keys

I am a beginner in hadoop, and I am trying to set-up hadoop cluster in fully distribution mode. My master is windows and my slave machine is Linux running on VM. I have created SSH keys and in both ...
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0answers
86 views

SSH client is not working on ubuntu 15.10

SSH client showing error $ssh user@IP address ssh: connect to host 53.37.119.147 port 22: Connection timed out After checking the SSH status it shows the error $ sudo service ssh status ● ssh....
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1answer
71 views

SSH public key added but still prompt for password

I've encountered an error when trying to setup so I can connect to my HTPC with my laptop, I've followed this guide from ubuntu help This is my ~/.ssh/ permissions on my remote host -rw------- 1 ...
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2answers
4k views

apt-get dependency issue Open-SSH Client

This is on an Ubuntu 12.04 Server. I'm getting this error when trying to run any apt-get install (trying to install unrelated, arbitrary packages): dpkg: dependency problems prevent configuration of ...
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0answers
142 views

SSH client on Ubuntu 15.10 is not working with public key

I am trying to ssh from my Ubuntu machine to other SSH servers, and also to itself but it is not working with the public key - it always prompts for a password. verbose output from ssh client debug1:...
58
votes
3answers
119k views

What does 'without password' mean in sshd_config file?

I just installed Ubuntu 14.04 on my server and I was setting up all my config files when I came across this in my sshd_config file: # Authentication: LoginGraceTime 120 PermitRootLogin without-...
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votes
3answers
2k views

Can't SSH into Ubuntu Touch device

From my computer: cameron@cameron-ubuntu:~$ ssh phablet@192.168.99.124 Permission denied (publickey). So it seems that openssh on the phone doesn't have password authentication enabled. But it ...
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2answers
2k views

OpenSSH intermittent error ( ssh_exchange_identification: Connection closed by remote host ) on a public IP

I faced a very strange issue on one of my public SSH server. It was failing intermittently with the error below: ssh_exchange_identification: Connection closed by remote host We all know that it'...
8
votes
2answers
12k views

Bizarre SSH Problem - It won't even start

I recently got Ubuntu 12.04 Precise, got it up and running with some MediaWiki software, static IP on the box and router and was able to access the main page even from a cell phone. Everything seemed ...
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votes
2answers
1k views

Error connecting Qt Creator to Raspberry Pi using ssh

I have generated an image for the Raspberry Pi board using buildroot 2014.11, but while connecting Qt Creator via ssh to Raspberry Pi board it shows the following error: Connecting to host… SSH ...
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2answers
99 views

how to install openssh from usb?

Hi I have installed ubuntu from bootable usb. During installation I did not pay attention for Openssh server in software selection screen. however is it possible to reboot from usb to just install ...
3
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1answer
97 views

Execute prelogin scripts for SSH

I would like to know how I can execute a local server script, for instance send a mail using mailx, when a ssh session is opened, pre-login stage. When a ssh connection comes into the server, I ...
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0answers
36 views

I have a problem with my sftp server

OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug2: ssh_connect: needpriv 0 debug1: ...
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0answers
91 views

Error running parallel code ubuntu server: ssh-askpass not found

I have ubuntu 14.04 server with PBS queue system. I'm trying to run a parallel code (I only have the binaries). The code exits and this is one of the messages: ssh_askpass: exec(/usr/libexec/openssh/...