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 onto new Ubuntu 14.04 server

This is my first server I have set up and I used ubuntu 14.04 to run it. I opted not to use the server install because the regular ubuntu was easier to setup. Now I wanted to make the server ...
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3answers
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Is there a way to send my IP packets to say node “r” inside network A from a node “y” in network B via SSH?

I have two networks A and B consisting of linux nodes and I want to communicate between the two via SSH: Both networks are separated by the internet. Network A is behind a firewall, and allows only ...
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3answers
850 views

Basic server build for practicing and learning linux on

I am taking it upon myself to learn Linux,so here is what I want to accomplish; I want to set up a server primarily for practice. I don't need it to do anything specific accept allow me to login via ...
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2answers
259 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 ...
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2answers
69 views

OpenSSH - Restrict users to one or multiple folders

I want to know how I can restrict user access using OpenSSH Server. Let's say I want user 1 to only access /Media, /Documents, and his home folder, User 2 should only access /Folder21, and his ...
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2answers
60 views

SSH from iPhone

I installed openssh server on Ubuntu 14.04. My machine name is called "machine" and my username is "machine" so that when I'm on a terminal it says "machine@machine". Question: When I try to connect ...
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2answers
301 views

sshd daemon not running ubuntu 12.04

The sshd daemon is not running on my machine (Ubuntu 12.04). I have repeatedly re-installed the openssh server and rebooted. I get no output to this command: ps -A | grep sshd Any help would be ...
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2answers
157 views

How to login remotely using SSH

When I'm trying to login remotely using SSH, it asks something like: The authenticity of host '192.168.0.4 (192.168.0.4)' can't be established. ECDSA key fingerprint is ...
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1answer
782 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
52 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
174 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
325 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
362 views

SSH Connection problems

I'm having troubles with a simple SSH Connection at home. I installed openSSH on an Ubuntu Server. I generated the rsa and dsa but this ssh connection stops while expecting a MSG packaget that I ...
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1answer
1k 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
223 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
23 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
123 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
583 views

Setting Passwordless ssh when a home directory is shared with NFS

I have two nodes (master and slave) where the home directory of the master is shared via NFS with the slave node. I have created an ssh key and used 'ssh-copy-id' to add the public key to ...
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1answer
412 views

nc: Proxy error: “HTTP/1.0 403 Forbidden”

I am using Ubuntu 13.10 x86_64. I am not able to ssh over proxy to remote host. When I issued: ssh -vl hackep6t 162.251.80.25 I got this output: OpenSSH_6.2p2 Ubuntu-6ubuntu0.1, OpenSSL ...
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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
152 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
359 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
692 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
166 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
328 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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4k 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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1k views

Can't ssh into my ubuntu vps

I have a vps running Ubuntu 12.04 LTS and I have installed openSSH but I can't connect to it with putty. I get error saying Network error:Connection timed out. How to fix this?
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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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381 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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153 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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33 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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37 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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839 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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388 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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76 views

SSH not working on my remote server

Connection issue on my server, I connect server to my local but not connect Error on File Browser popup "ssh program unexpectedly exited". I am trying to via terminal its working fine but not working ...
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734 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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23 views

SSH PC at office from home

My office has one default gateway and behind that is a local network with locally assigned IP addresses to all computers including mine. I hold admin in my Ubuntu installed office PC and is it ...
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40 views

Change chrooted sftp user default directory

I am using Ubuntu Server 14.04.1 LTS running openssh. I have set up sftp chroot for several users by editing sshd_config like below: add: Subsystem sftp internal-sftp Match Group sftp_users ...
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98 views

Trouble ssh connecting with Putty from windows to ubuntu

Hello all I've been looking all over this form for answers but I just can't seem to get it right. First time ubuntu user, and linux user for that matter. I have openssh-client and openssh-server ...
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42 views

How to setup a Multi User NAS

I want to setup a multi-user NAS, With an administrator, and have that admin have the ability to add users to the NAS. Users Are likely to be using mainstream platforms. So I plan for them to use ...
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45 views

File ownership in FTP client displays ID instead of name

Today I'm setting up my first VPS – Ubuntu 14.04 on Digital Ocean. The set up shows owner and group id instead of name. It's not FTP client's settings. It happens only for my new VPS sever. Maybe ...
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3k views

ssh -> Permission denied (Publickey, Password) Error Ubuntu 12.04

Problem: When ssh from Machine A to Machine B and vice versa I get a Permission denied (Publickey, Password). Machine configurations Machine A: Ubuntu 12.04, IP address 192.168.1.100 Machine B: ...
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199 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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169 views

Can local Ubuntu Server display GUI app from remote desktop?

Local machine: Ubuntu Server 12.04 LTS, 32 bits Remote machine: Ubuntu Desktop 12.04 LTS, 32 bits Is it possible to launch Firefox or any other GUI-based applications on the remote desktop machine ...
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155 views

why are SSH_TTY and SSH_CONNECTION variables empty?

I know that upon a successful connection, OpenSSH sets several environment variables. SSH_CONNECTION shows the address of the client, the outgoing port on the client, the address of the server and ...
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46 views

Unable to login to Ubuntu server via ssh

[jithin@Landing000 ~]$ ssh -vvv -i xxxxxxxx.pem ubuntu@xx.xx.xx.xxx OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying ...
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Installed Ubuntu guest in Ubuntu Host. Cannot use SSH?

i have a Ubuntu 13.04 Host, and a guest Vurtual Box Ubuntu 13.10. I have SSH intalled on both, however I cannot connect through SSH. The error thrown is "connect to host 19.0.x.xx port 22: Network is ...
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193 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 ...