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

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sshd daemon not running ubuntu 12.04

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 greatly ...
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24 views

SSH Connexion configuration

I'm managing a several servers which are in Linux. I will have others administrators who will need access to those servers in order to administrate them. So I would like to have a sort of ssh bastion ...
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1answer
82 views

SFTP/SSH Not Working in Ubuntu Touch

It was working before but now it stopped working. Even in Ubuntu SDK I can't run my application directly to my device...though I'm not sure they are related. The error is: Command: open ...
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0answers
44 views

ubuntu vm on open nebula doesn't se internet connection

I have some problem with ubuntu and open nebula. I'm trying to setup one installation of ubuntu on open nebula. Start from this assumption: my machine as an i7 with 16 GB of ram and runs ubuntu ...
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14 views

Setting up ssh - windows to ubuntu

I have the following environment: Windows deskside system running W7Pro ubuntu 14.04 server running on a cloud server. I have tried multiple ways to set up RSA keys for ssh connections, with no ...
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4answers
9k views

How do I set up an email alert when a ssh login is successful?

Does anyone have a bash script that will email or notify someone in the case of a successful login to a ssh server? I want to be notified if anyone logs into my personal box. I'm using Ubuntu 12.04 ...
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2answers
27 views

How can I prevent being locked out after changing the iptables default policy?

I am working on a experiment when I (client) ssh a gateway and run sudo iptables --policy INPUT DROPthen the gateway doesn't accept any communucation(or input) from my client. By running sudo iptables ...
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1answer
23 views

OpenSSH: hacked before set up?

Today I tried setting up OpenSSH on my computer with the hope of being able to connect to it from a different computer at work. This was my first time attempting to use open-ssh. I did the following ...
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6 views

ssh tunneling to Fritz!Box via RaspberryPi

I have a Fritz!Box that acts as NAS, DHCP and internet gateway. The webinterface of the Fritz!Box is only accessible from the LAN (I'd like to keep it that way, although it could be changed). Can I ...
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1answer
41 views

Way of receiving alerts on login attempts, whether successful or not?

I believe my linux machine to be reasonably protected from external login. But since I am mildy paranoid, I would like to be alerted when there is a login attempt made to the server, whether ...
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1answer
152 views

ERROR: when start hadoop

I am installed Hadoop, following Michael noll's tutorial. When I start name node using as following command, hduser@ARUL-PC:/usr/local/hadoop$ sbin/start-all.sh I got response as, This script is ...
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17 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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3answers
4k views

Ubuntu 12.04 and openssh-server

I have a problem installing openssh server and client on Ubuntu 12.04 desktop. I want to make a home server, but I am a Windows user and I need a graphic interface. First of all, I used the command ...
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0answers
15 views

ssh is disconnecting when tacacs+ is enabled

I am using ubuntu 12.04 and the openssh-server Version: 1:5.9p1-5ubuntu1.29. I'm using a remote tacacs+ server for authentication and authorization. When I login through ssh, tacacs+ authentication ...
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4answers
10k views

“Can't open display” even after access with xhost

I'm trying to run a graphical program remotely, without using ssh. I've set the display variable on the server (let's say server.com, Linux, not ubuntu, and no su rights) to point to my workstation ...
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1answer
48 views

“su” or “whoami” not working

I am connected to an Ubuntu 14 via ssh with user "nuri". I am trying to change the user with "su" command and no success. Below i enter the password for deneme2 correctly and check whoami. Afterwards ...
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1answer
29 views

Looking for text BBS software

I would like to know if there are text-based, bulleting board system forum servers for Ubuntu. Which can be used via telnet or ssh. I was searching for this kind of software and came to this BBS ...
2
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1answer
62 views

Running app from the SDK to a nexus 4 phone produces ssh_exchange_identification: Connection closed by remote host error

I have before successfully run apps on this device from the SDK. Now the SDK is giving me an error: [10:27:08] Started /usr/share/qtcreator/ubuntu/scripts/qtc_device_run_app [10:27:09] ...
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4answers
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How to enable root access on Ubuntu 14.04

i´d like to enable the ssh root access on Ubuntu 14.04. Editing the /etc/ssh_config (PermitRootLogin yes) didn´t affect anything
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1answer
19k views

Why do I get “connection refused” errors connecting to a server via SSH?

I've installed Ubuntu 12.04.1 LTS on it with the LAMP stack. I can ping it but when I try to connect to it the server can't be found. When I try to connect with WinSCP I get the error Network error: ...
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2answers
42 views

Is it possible to launch an application on a remote pc using the terminal?

I found myself away from my computer needing to do some quick work that required my accessing my desktop remotely. I normally use teamviewer, but I don't have it load on boot. I can launch it from the ...
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2answers
128 views

Why does it take so long for ssh to decide there was an error?

I use ssh to log onto my server. Sometimes, I leave it connected and go away from the computer, in which time the computer goes to power saving mode (or whatever it's called - the screen just goes ...
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0answers
17 views

writable sftp directory restrictions

I want to create a directory for a user so they can sftp to my server and automatically be in that directory. Ideally this directory would have group write permissions so this user can upload a file ...
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3answers
23k views

Using scp to copy files from remote to home machine

This is probably a simple error, but I can't work it out. My computer hostname is Felix (hostname -f returns Felix) I am trying to move a file from my university account to my home computer using scp. ...
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21 views

SSH to server with encrypted LVM

I setup Ubuntu Server 14.04 with encrypted LVM (static IP address with an entry in my /etc/hosts file) and would like to SSH to it with my laptop on my local network. The problem is that if I just do: ...
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4k views

How to install software raid 0 on ubuntu 12.04 server with mdadm?

I need to install a software raid-0 array on a Ubuntu 12.04 server with mdadm through commandline (SSH). The drive setup is as follows: SDA = OS SSD SDB = HDD for raid 0 SDC = HDD for raid ...
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Long wait time on login

When I log in on my server I get this: No mail. Last login: Fri Nov 5 14:22:45 2010... then I must wait for 5 sec and then is ready... wolfy@ubuntu-server:~$ Is this wait time normal or should ...
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automate ssh commands and read output

I am working on my assignment where I have to enter a certain key on ssh terminal to open next problem. There are several candidate keys which I have shortlisted and i need to enter them via ssh, ...
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22 views

How to setup password-less SSH in Ubuntu Virtual Machine?

How can I set up password-less SSH to connect to a Ubuntu Virtual Machine (VM)? (Details below.) I am setting up an Ubuntu Beowulf cluster. For reasons out of my control, some machines I have must ...
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16 views

How to share WiFi/hotspot over SSH tunnel

I have created a SSH tunnel on my laptop connected to LAN. I want to share the internet via WiFi/hotspot, but over the SSH tunnel. I mean any computer using this wireless should connect to the ...
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0answers
45 views

ssh command related problem

I am facing problem with the ssh command currently. Earlier, it was working just fine, but now when I am trying to execute the same command, it says, ssh_exchange_identification: read: Connection ...
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3answers
247 views

is it possible to ssh into ubuntu server with keys and from another computer using password?

I have ubuntu server at home, and I use SSH keys to log in via terminal from my laptop. Rarely, but mostly from work, I need to access this server, but I dont want to copy keys on my work laptop - Id ...
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2answers
3k views

“PTY allocation request failed” error when trying to connect using SSH

I'm trying to log into Ubuntu desktop. I get the following error message: PTY allocation request failed What does it mean and how to connect to my desktop? This is the output with -v: debug1: ...
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1answer
24 views

Unable to write to /var/log/btmp

I recently had a bunch of entries in my btmp log [because of a boneheaded move on my part] I resolved the issue, but now I would like to clear that log, I copied it somewhere else for reference and ...
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4answers
157 views

need to connect as **root@my-server-ip** with SSH [duplicate]

I have a VPS with Ubuntu 14.04. I need to login as root to my server over SSH. I set a password for root: sudo passwd root then enabled it: sudo passwd -u root then rebooted my vps: sudo reboot But ...
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0answers
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How to prevent Ubuntu Server sleep/hibernation

I'm running the latest Ubuntu Server (quite literally downloaded & installed yesterday) on a box under my desk. I've got trac installed and OpenSSH. Intermittently both become unavailable, as if ...
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6answers
49k views

ssh -X “Xt error: Can't open display: :0.0”

I'm trying to open xterm on my remote server (Ubuntu Server 10.04) with ssh: ssh -X name@machine xterm but the error returned is: xterm Xt error: Can't open display: :0.0` I googled and tried ...
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0answers
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Ubuntu 12.10 (32 bit ): ssh not available and not installing [duplicate]

I am installing ssh on my ubuntu 12.10 quantal. To see whether ssh is there or not on my machine. i used these commands. which ssh which sshd It didn't show any output. Then I tried to install ...
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3answers
5k views

Can't start, stop, or interface with SSH service

Having really bizarre behavior with ssh. I have the ssh-server running fine, configured ufw (firewall) fine as well. However, it seems I can't manage ssh as a service or through /etc/init.d/ssh. I ...
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2answers
49 views

juju bootstrap ssh no route

the problem is based on the context of VirtualBox, they are set on 3 virtual machines whose nodes are associated with a cluster controller, however when it completes the execution of "juju bootstrap" ...
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59 views

vi issue in SSH TTYs to Ubuntu 14.04.1 LTS

After upgrading my server to Ubuntu 14.04.1 LTS, I can no longer use the vi editor to edit anything in an SSH terminal (I access the server by launching ssh sessions from Cygwin running on Windows). ...
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2answers
29 views

Where are stored ssh client private keys?

On client, after I do ssh-add to add my private key everything works fine, ssh-add-l lists key and I can connect to hosts that have corresponding public key, but nothing changes in .ssh dir as it ...
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1answer
5k views

How do I change local display resolution via SSH?

I have a machine running Ubuntu Server 12.04 LTS and I'm having problems with the local monitor. The Dell flat panel I'm using only displays this message while the computer running: "Cannot Display ...
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1answer
73 views

How to populate configuration files over a lot of servers?

I have configuration files at my home directory (.bashrc, .gitignore, etc.). When I find something helpful for me I add this information into this files. But also I have access via ssh to different ...
0
votes
1answer
16 views

How to change the default position of ~/.ssh/authorized_keys

My VM server is installed ubuntu 12.04 and connected to a storage (not sure about the system of this storage). I have change my home directory to the storage. However this storage could be assessed by ...
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2answers
46 views

Ubuntu ssh clients

is there a ssh client similar than filezilla but i all so need to use terminal sometimes. Support for ssh access key is all so requirement. It would be great if i just could jump up and down files in ...
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0answers
14 views

List usernames/machine name for display-less machine

I have a display-less machine (faulty VGA) I am trying to SSH to over my local network by doing something like ssh username@machinename.local as described in this solution. I know the password for ...
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0answers
7 views

Jailkit freezing

I'm trying to jail ssh users on my Ubuntu 14.04 server. So after installing Jailkit version 2.17 (with the help of this tutorial) I'm now trying to follow this AskUbuntu answer to use Jailkit. After ...
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1answer
3k 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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1answer
60 views

Can't SSH in as root

I'm using the default installation of openssh-server for my Ubuntu 14.04 server. I can connect through the console as root like normal, with my username and password. When I try to SSH with the same ...