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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ssh connections to Ubuntu are intermittent

I'm trying to use ssh to connect from a Mac to Ubuntu 12.04. I get "Connection reset by peer." Try again and I get "port 22: Connection refused." Keep trying and I get password prompt. Enter password ...
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1answer
1k views

Unable to connect to my remote Ubuntu system using SSH

I want to connect to my remote PC running on Ubuntu 12.10 using SSH. But when I try ssh my_username@my_current_ip, I get this error: ssh: connect to host 117...** port 22: Connection timed out I ...
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1answer
299 views

Disable login prompt through SSH when no key is present

I've set OpenSSH server with private/public keys, with password login disabled. I was wondering if there was a way to not even show the 'login:' prompt when someone without a key tries to connect. ...
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1answer
932 views

Imported OpenSSH keys are saved in Gnome2 keyring, not OpenSSH

I have run into a frustrating issue, that I am sure will be a snap to solve. When importing an openssh key via the "Passwords & Keys" (seahorse) program, it simply places it within the "Gnome2 ...
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1answer
553 views

MySQL SSH Connection Setup

I want to connect to a MySQL db (running Ubuntu 14.04) with my Mac (running Mavericks). I will be connecting remote- home to work. How do I setup the ssh connection on MySQL workbench? Also, where do ...
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1answer
717 views

Ubuntu corrupted log files

It seems that all my log folders located in /var/log are turning into files. For example, if I try to tail /var/log/apache2.log it will say "no such file or directory" I can see it in the file ...
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1answer
3k views

How to setup SFTP with Chrooted for Groups

After many trials and errors trying to setup a working sftp server for multiple groups with chrooted directory I decided to share what finally worked for me. I am a novice 2 months into Ubuntu so ...
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1answer
313 views

What's the meaning of: /dev/rdisk0s1 and /dev/rdisk0s2s1?

I'm trying to use SSH to make a disk image by using DD on an iPod. And I'm using this commands: ssh root@192.168.1.100 dd if=/dev/rdisk0s1 bs=1M | dd of=iphone-root.img ssh root@192.168.1.100 dd ...
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1answer
38 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 ...
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1answer
78 views

Building openssh from source on ubuntu

Hi I'm building openssh from source. From source primarily because, I want to collect more logs than what openssh already writes in /var/log/auth.log file. In one of the c files of the source ...
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1answer
66 views

SSH a Ubuntu Server with external ip

I have a Ubuntu server set up at my house and I am able to connect to it using SSH with its local IP. How can I connect to it from anywhere with its external ip?
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1answer
230 views

SSH to user from external network says permission denied, works fine from internal network

Okay, I have Openstack installed on a server. I can SSH to the openstack server I have set port forwarding on that server I can ssh to the instance using private AND public(floating) IPs when done ...
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1answer
367 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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1answer
1k views

How to upgrade openSSH version in ubuntu 10.04

I need to upgrade the openSSH version present in my ubuntu server to a higher version. Please provide me steps to do so.
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1answer
173 views

OpenSSH Users and SFTP

I added users to my server, but when I try to login, it prompts me for a password, which I never put in. Do any of you know what the default password is? Also, I would like to setup SFTP, so can ...
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1answer
852 views

Allowing for SSH Access of Ubuntu 12.04 Server from Pubic IP

I have recently configured an old PC of mine to run Ubuntu 12.04 Server to be used as an FTP Client. However, I want to find out how I can access it from a Remote Desktop (I.e: Not on the Wireless ...
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1answer
1k views

SSH connections keep dropping

I have a server running Ubuntu server 12.0.4 with Openssh-server installed. I can connect to the server for about 30 minutes and then the connection drops. When I try to reconnect I get The remote ...
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1answer
266 views

Can the admin of a SSH server monitor internet traffic?

I use SSH Tunnelling + socks4/5 to browse securely, but a certain question came up in my mind, can the administrator of that SSH server monitor my traffic? like see which websites I am visiting, ...
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1answer
443 views

chroot sftp not able to login

I am trying to set up sftp access on my server and chroot the users into a samba share. When I edit /etc/ssh/sshd_config and add Match Group sftpusers ChrootDirectory /srv/samba/share ForceCommand ...
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0answers
6k views

Can't change ssh port (Trusty 14.04)

I've been trying to change my ssh port without success and none of the suggestions I've found did the trick for me. I'm on Trusty 14.04 at Rackspace (upgraded from Precise). This is the sequence of ...
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0answers
210 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
219 views

Ubuntu server 14.04 quotations marks display wrong

When ever the character ' is displayed in my terminal it displays as â. I have never had this with the previous versions of Ubuntu. For example: rm: cannot remove â/etc/init.d/novncâ: No such file ...
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1k views

How to deal with “Errors were found while checking the disk drive for /” in a server?

It seems a little stupid for a operating system this behavior in a SERVER operating system. The problem is very simple to replicate on Ubuntu Server: just change the date back in time and then reboot ...
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161 views

SFTP with Chrooted directory project

First thank you very much for all your post. I am completely new to Ubuntu and the Unix world and have found almost all the answers I needed except how to properly setup and sftp server with chrooted ...
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84 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 ...
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130 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 ...
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88 views

SSH outside the local network

I have Ubuntu 14.04 LTS installed on a Toshiba Satellite L655. I've recently installed an SSH server on the machine and it works fine when connecting to it using 192.168.1.3 but when I try that using ...
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117 views

OpenSSH chroot breaks ssh and ftp

I'm trying to set up a webserver with a restricted sftp connection. I've googled and followed several walkthoughs that all appear to be pretty much the same thing. Here are my steps: Fresh install ...
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400 views

After reboot, ssh refuses connection

I've never touched sshd_config, all ports open (22, 80, 443), ssh status says ssh server is running. I had all working before reboot perfect, now it´s all dead and I can't enter site, neither using ...
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67 views

how to set up a connection without using ssh

hey^^ currently I'm having a problem with a compute who has ubuntu installed on it, so I wanted to use putty and get remote access. Sadly the computer is a bit of a pain in the ass and not able to ...
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0answers
108 views

sshd_config file is being overwritten on reboot

I need an AWS server to accept password authentication and whenever I remove the hash and set PasswordAuthentication yes After reboot or create image and launch a new instance, the # is added back ...
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0answers
58 views

ssh, problem with headless device

I have Ubuntu 14.04 installed on a headless device. Since the last update and shutdown it is not possible to connect via ssh anymore. nmap shows the machine is up and in the network, all ports are ...
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669 views

Cannot install Openssh-server or client

When I go to install, I get this error: sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages could ...
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854 views

Suddenly cannot access SSH on LAN

I had ssh running on my LAN server. Suddenly (not sure what I did), I cannot access the LAN server via ssh. When I try, it just hangs for a while with no response and finally comes out with a timed ...
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17 views

Unable to SSH into a server or VM on same server

So I have an older file server running on a VM and up until a few days ago I could ssh into it but now it's just hanging at a certain point. I also cannot ssh into the server running the VM file ...
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16 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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25 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: ...
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28 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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75 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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59 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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35 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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0answers
17 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 ...
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181 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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127 views

Problems connecting Putty SSH to Ubuntu openssh-server

Just installed a clean copy of Ubuntu 14.04 Desktop (amd64) onto a Dell precision T5400. Installed the openssh-server and tried to connect from Windows with Putty. Sometime the connection works for a ...
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76 views

SFTP / openssh logging with chrooted users

I just tried to follow the steps from this thread: http://ubuntuforums.org/showthread.php?t=2081637 For some reason, it does not work. I tried to follow exactly those steps, but the log file is not ...
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265 views

Something wrong in 14.04 LTS with ssh when no password is authorized by remote server

After loosing days for a solution (including here), I will ask more expert people about a way to connect a new desktop ubuntu 14.04.LTS to some ubuntu 14.04 LTS servers accessible only by using a ...
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208 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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99 views

cannot ssh into an ubuntu server which seems to be due to a problem on server side

i'm trying to login in to an ubuntu server from windows msysgit providing the identity explicitly. output of ssh -i .ssh/id_rsa user@site is $ ssh -i .ssh\id_rsa user@user.koding.io -vvv > ...
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82 views

SPAMHaus/ CBL Blocking List:: UNIX System (Firewall)

I am no linux/ unix guru but CBL and Spamhaus are blocking us every 8 hours roughly and recording it as SPAM. I have completed their instructions to do the following but am concerned i have done it ...
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205 views

Cannot ssh to localhost : Permission denied(public key)

I'm trying to ssh in a server as ssh localhost but it keeps saying : Permission denied (public key). I tried everything from reboot to regenerating the ssh key. It was working before, until I ...