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

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Remote child process doesn't end

file test.sh contains below lines. !#/bin/bash while [ "1" ] do date done This file resides inside machine 10.1.1.3. I want to execute this script from a remote machine 10.1.1.2. Let say from ...
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46 views

ssh hangs when executed from Code

i am trying to log the RSSI value of wlan0 interface for a remote system. I run the following command to do that. sshpass -p <pwd> ssh <username>@<IP> iwconfig wlan0. I am executing ...
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289 views

using ddclient with namecheap dns service doesn't update IP

I have just set up my first ever home server. I created root, made the IP static on my local network, installed openssh, and can now ssh into the computer as long as i am connected to my homes router. ...
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179 views

Port 22: connection refused

I am pretty new to Ubuntu so please if you can answer to this question explicitly. I have two laptops one is running on MAC OS X 10.8.5 (OS X Mountain Lion) and the other one running Ubuntu 14.04 LTS. ...
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149 views

I can't get ssh:// links to open in a simple index.html webpage

I want to have an ssh link open up on click. I am having students VNC to an Ubuntu VM for them to learn Linux on Cumulus Linux switches. I was reading this thread: How to change what xdg-open does ...
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50 views

SSH by key incredibly slow

SSH connecting with key, from my machine suddenly got incredibly slow (~10sec!). It is not a server or DNS problem as far as I can figure out. The problem suddenly appeared after a simple apt-get ...
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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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275 views

Ubuntu server 14.04.02 unresponsive with most of the commands (Ping, etc…) after apt-get dist-upgrade

[EDIT] Seems solved, problem with name resolution suddenly disappeared [/EDIT] I have a Ubuntu Server 14.04.02 on a private server with generic kernel installed, that I can still SSH into. Welcome ...
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27 views

sftp with triple ssh hops

I want to transfer files (in both directions) between my computer ("comp1") and a remote computer ("comp2"). In order to connect, I need to pass two servers along the way ("server1" and "server2") via ...
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258 views

Ubuntu MATE SSH Keys Not Working

I recently moved to a new place, made no changes to my SSH keys, and for some reason I can no longer authenticate via PuTTY to my Ubuntu MATE box. Has anyone encountered their SSH keys randomly stop ...
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55 views

How do I point a domain to an Ubuntu VPS server with only SSH terminal and FTP?

I've recently purchased a VPS hosting server from godaddy (ubuntu server) and I want to configure a domain for this account. They are not providing a cpanel for this account. I only have SSH and FTP. ...
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18 views

Cannot log into SSH Server after SVN installation

I set up SVN on my server and with a different password to my SSH login. I have since then been unable to login through putty when I try to through ssh through my login me@my-server-ip. When I try ...
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49 views

Should I add fail2ban to the following security setting?

I apologize if this is not the right forum, I am new to the StackExchange communities and Linux in general and it seemed like it could belong in a few different ones. I am using a VPS running ...
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222 views

Error - The host key for this server was not found

I try connect to remote server with KNetAttach, but receive tis message The host key for this server was not found, but another type of key exists. An attacker might change the default server key to ...
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73 views

Bup - Backup thru ssh

I am new to ubuntu and to bup. I have my local machine and my remote server. I have generated SSH keys and on my server i have added my key and i auto login when i type ssh @ But when i try to run ...
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127 views

Dbus-error while accessing MATLAB remotely through SSH

I am trying to access MATLAB remotely through SSH. Both machines (server and the host) are running Ubuntu.I am facing the following error. kw12568:sandhua~> MATLAB is selecting SOFTWARE OPENGL ...
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168 views

Kubuntu 15.04 automatically unlock SSH key on login

I'm using the Plasma desktop on Kubuntu 15.04. I've switched over from Gnome 3, which automatically adds your SSH keys to the gnome keyring and (if your login password is the same as your keyring ...
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74 views

Create a jumpbox menu

I am looking to create a menu on a network jumpbox I have ~200 servers that I connect to and I do not want to have a CRT session for each of them. I want the menu to be searchable so I can hit "/" ...
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37 views

How to handle disk encryption for remote connection?

I have at my workstation, an ubuntu 14.04 installation with full disk encryption. I now have to travel frequently for days and am planning to ssh into this machine from my chromebook to work remotely. ...
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136 views

How to connect to a LXC container from the LAN?

I have a server with the latest Ubuntu server 64-bit install in my home wlan. I use ssh to connect to it from my laptop. The server /etc/network/interfaces file: # The loopback network interface ...
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49 views

unwanted popup for passphrase

When connecting using ssh I am not asked for the key passphrase in the terminal but in a popup window. How can I switch to typing the phrase in the terminal? As this seems connected to the ...
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173 views

After “sudo update-rc.d ssh defaults” cannot connect through SSH even locahost

On this question here, Start ssh server on boot simple, he gave one command to use, followed what he said, did it, and now, without touching or restarting or anything, I could no longer connect to my ...
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77 views

Problem running ufw on Ubuntu 14.04 server

ufw is supposed to be the easy firewall for Ubuntu, but I seem to still having missed something. After a fresh install on my 14.04 server, and leaving it default, the terminal will freeze after ...
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51 views

Ssh outside network

I would like to setup an ssh server that I can access over the internet. I have forwarded the port 22 and I can connect over the internet on my local network, but as soon as I leave it it becomes ...
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149 views

Nautilus “Open in remote terminal” over sftp assumes wrong username in Ubuntu 14.04

I use the “nautilus-open-terminal” to open the terminal in the current folder in nautilus. This worked great in Ubuntu 12.04. However, after upgrading to 13.04, I am unable to open the terminal over ...
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97 views

Remote access to a machine, run script for logged on user

I've been searching for an answer for this for some time. Is it possible to log in to a machine remotely via (say from my phone on my way to work) and run commands that will affect the logged on ...
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49 views

sshd_config file get reset automatically

I have a server running with Ubuntu 12.04.2 LTS (GNU/Linux 3.5.0-23-generic x86_64). For some reason I have to get it accept password when I ssh onto it , so I change the sshd_config file ...
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213 views

GTK+ theming issue during forwarded X11 session over SSH

I'm having a very odd theming issue during forwarded X11 session over SSH. My remote host is an ARM router with some GTK+ packages ported using Optware. While X11 forwarding works in general, I get a ...
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49 views

I want to make a remotely controlled server running ubuntu gnome

Ok, so I have an old HP box with a 320gb hard drive in it. The display controller doesn't work on this machine, so I need to be able to control the machine remotely from my primary Linux Mint ...
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175 views

ECDSA SSH Auth Always Fails

I am trying to use an ECDSA key for ssh on a vps, as I am trying to migrate from RSA toward more secure encryption protocols. I am running Ubuntu 14.10, and the server I am trying to connect to runs ...
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175 views

ssh not working when tethering via android

I have a Raspberry Pi and various Ubuntu-running at home to which I can ssh into without any problems (with my laptop or smartphone) as long as I'm using a WiFi. But when I'm using my smarthones ...
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473 views

SSH Connection closed by remote server for one client but no problem with others!

I have a remote server and I was able to connect via SSH to it but some they I could not any more! I ssh to server with my laptop and my Android phone but from some day every time I am trying and the ...
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69 views

How to access VM hosted Ubuntu 14.04 with graphical UI from windows 7

I'm quite new with Ubuntu, and even more with remote Ubuntu. I got VM that is hosted on server, and it has Ubuntu 14.04 on it. I'm connecting via Windows 7 Putty/telnet connection (SSH), and I can ...
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185 views

Cannot Rsync to ec2 instance

This seems like the problem with the ubuntu user permission on ec2 server , cannot rsync successfully. Steps Taken: Generated public key from origin server (a normal ubuntu droplet with root user ...
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184 views

X11 Forwarding in ubuntu 14.10 server vps not working

I've bought a VPS with Ubuntu 14.10 server installed on it. Since last two days, I've been desperately trying to get X11 forwarding to work with my VPS and windows machine. Problem: Getting echo ...
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124 views

panel applet launches xterm in mate

I have ubuntu with mate, and an ssh panel applet set to launch application in terminal. My default terminal application is mate-terminal. when I click the panel applet, an xterm opens! I would like ...
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38 views

Machine rebooting when running process in screen/tmux

For the past couple of days, I've been running some CPU and memory intensive processes on a remote machine running Ubuntu 14.04. Here is the interesting bit: when I run a process on a regular SSH ...
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130 views

OpenVPN creates multiply tunnels?

i'm relatively new to ubuntu. I configurued OpenVPN between my Ubuntu Server 14.04 LTS and Ubuntu Desktop 14.04 LTS following mostyl the official english serverguide and a german tutorial from ...
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119 views

Shell Script whenever i am SSH it will change my terminal title bar according to that SSH ip

I'm not much expert in shell scripts. I want a shell script, that, whenever I am inside an SSH session, will change my terminal title bar according to the server IP address.
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123 views

SSH connection freezes

I often use SSH to connect to my Ubuntu servers. Lately I got a new provider (Virgin UK) plus a box which I am connected to with a RJ45. Internet in general works fine, but when I build up an SSH ...
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104 views

can't seem to scp from an Ubuntu Virtual Box

I'm trying to scp from a virtual box of Ubuntu to my school's web server. I've followed the instructions seen here: How to SCP a file(s) from Ubuntu Virtual Machine to Remote Web host? and I can't ...
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11 views

using different private keys from an Ubuntu server

From my Ubuntu server, in order to run sql queries from different sources, I want to be able to connect through SSH to several other servers using different private keys (following How can multiple ...
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147 views

How do I install Remote Desktop on ubuntu 14.04 dedicated server

I have been working with ssh for a few months now, never touched hte whole remote desktop deal. I am trying to figure it out now and I just cant for the life of me seem to get it working. I have 3 ...
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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 ...
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43 views

Trying to login using sshfs into Ubuntu

Im using amazon web services, and I've setup ubuntu on there. Im now trying to get access to the files on the websites running with their corresponding users and folders in /home/. Normally, you ...
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103 views

Raspbian and Ubuntu 14.03 SSH error

I have installed Raspbian Wheezy on a 8GB SD card( using win32disk imager,did it on my windows 7 laptop), next I changed dhcp to static IP, gave a random IP address to my raspberry pi along with ...
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44 views

Failure to contact privoxy proxy on ec2 node

I'm trying to set up a tor node following http://sickbits.net/creating-a-personal-privoxytorproxy-ec2-instance/ using ubuntu 14.4 lts on ec2. I'm using git-bash on win7. Following the directions, I ...
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82 views

Why do SSH passwords sometimes stop working?

On more than one occasion I've messed up so bad the only answer is to reinstall Ubuntu. One of these mess ups is that I do something such that the password to SSH into the machine no longer works. ...
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162 views

How to take a picture with the isight camera on mac using terminal

I have been trying to take a picture with a small script but I have no idea. All I want it to do is take a picture then show it without opening apps like photo booth. Ps I don't have sudo permission ...
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284 views

Passwordless SSH access for root user

I've tried to set this up using information from the following sources: Passwordless login: https://www.youtube.com/watch?v=LlGL-uBSe6M Enabling root login: How to enable root login? When the above ...