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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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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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 ...
3
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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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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
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
86 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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1answer
378 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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1answer
63 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
101 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'...
0
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1answer
43 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
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
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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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 ...
1
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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
85 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
70 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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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:...
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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'...
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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 ...
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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/...
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1answer
26 views

dependency error while installing openssh client

As you can see from the image I am unable to install openssh-client because of dependency error, I have tried this process on a different machine and it worked but it doesn't work on my machine can ...
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1answer
167 views

VNC vino over SSH tunnel ONLY

I've been searching for hours now, can't figure this one out. I am trying to make the following happen: Client: remmina + ssh tunnel Server: Lubuntu + openssh server (public key authentication) + ...
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37 views

Create openssh connection over direct ethernet connection

I'm trying to set up an ssh conncection with openssh and putty. I attached an ethernet cable from the device to my pc . The device doesn't have internet conncetion. Now I would like to directly ...
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0answers
188 views

openssh version 6.9+ upstart problems

I'm on trusty (14.04.2 LTS). current version of openssh=6.6 (OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.3, OpenSSL 1.0.1f 6 Jan 2014) Was told to upgrade to openssh=6.9 or greater. Why does the ssh daemon now ...
5
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1answer
8k views

key_load_public: invalid format with scp or git clone on Ubuntu 15.10

After a fresh install of Ubuntu 15.10, when using scp or git clone, I get the following warning (the command itself doesn't fail): key_load_public: invalid format How can I get rid of this warning? ...
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0answers
133 views

need to apply unstable security patch for ssh (1:6.6p1-2ubuntu1) on 14.04

I am running ubuntu 14.04 as a proxy server. It has failed PCI scan due to CVE-2014-2653. I see there is a patch for this, but it is listed as unstable. I'm not sure how to apply this patch to the ...
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1answer
532 views

ssh authentication with id_rsa key not working

Openssh seems to locate my id_rsa key but then after: debug2: we sent a publickey packet, wait for reply It start over again with: debug1: Authentications that can continue: publickey,password ...
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0answers
564 views

Can't ssh into my home PC remotely

I have a computer at home running on 14.04. I would like to be able to send jobs to that computer (I will call it server) from my laptop (running on 15.04) and share files between the two. I am able ...
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0answers
110 views

Setup gateway server for SSH over HTTPS?

I'm on host x, and I want to connect to <ommitted>.compute.amazonaws.com via host z. $ sudo nmap -sS <ommitted>.amazonaws.com Starting Nmap 6.47 ( http://nmap.org ) at 2015-10-21 17:39 ...
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2answers
40 views

Like SSH do we have any other remote connectivity software for Ubuntu?

I have seen openssh is mostly used for connectivity purpose. Do we have similar/more advanced connectivity software for Ubuntu?
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1answer
129 views

How can I get spammy ssh “Starting Session” messages out of my syslog view?

When I was running 14.04, I could use my Mac to run ssh andy@eeePC8G.local 'tail /var/log/syslog' and see the tail of syslog. I had GeekTool on the Mac setup to run this command frequently and display ...
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0answers
37 views

Disable openssh password for some application

I am running an application which transfer file to other PC but every time i have to enter ssh login password which i had disabled by generating a key between the two PC. I don't want to enter ...
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2answers
701 views

Whoy doesn't openssh-server work in ubuntu14.04

Here is all what I can show. [skynet]~> apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done openssh-server is already ...
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0answers
29 views

How do I configure OpenSSH to deliver the server's environment and paths to the connecting session?

I've just installed an OpenSSH server through apt-get. Immediately, I noticed that when connecting through SSH I don't have the same paths enabled as I do when I am physically using the server machine....
0
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2answers
87 views

High level overview of how SSH works and is setup on Ubuntu [closed]

I'm just starting out with SSH and I need somebody who's knowledgeable on SSH on Ubuntu/Linux to give me the whole picture of working with SSH. I currently know that SSH is used to securely connect ...
0
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0answers
353 views

How to use bind address for ssh port forwarding?

I want to forward my port 2222 on localhost to remote host's port 2223 on the address 127.0.0.2. I am trying to bind the address 127.0.0.2 with this command: ssh -R [127.0.0.2]:2223:localhost:2222 ...
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230 views

How to set environment variable for sshd

I have Ubuntu server 14.04 on a server with openssl version 1.0.1f and openssh version 6.6. In my openssl.cnf I have subjectAltName=${ENV::ALTNAME} so that I can set subjectAltName on the commandline ...
3
votes
1answer
96 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 ...
0
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1answer
52 views

OpenSSH Port Forwarding Remotely

I have the ff: setup Server : Ubuntu 14.04 (192.168.1.102) openssh server & client installed Router : Lynksys E1000 Port forwarded added ( ssh - 20-80 both 192.168.1.102 ) Now in another unit ...