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

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In file browser: connect to ssh server via other ssh server

in my file browser I have problems connecting remotely to a machine which sits behind a nasty firewall. Usually in a terminal our procedure to connect to that server goes via an ssh connection within ...
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71 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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37 views

Automatic Kickstart installation how to add ssh keys?

I maked a FAI using Kickstart principles. The only package added openssh-server, but if I try to use post installation scripts (for example) to add ssh authorized_keys in ~/.ssh/ installation stops by ...
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31 views

auto start a reverse ssh tunnel on system startup

I am have a remote machine behind a firewall that I wish to connect to through SSH. As far as I understand this can be achieved by using a reverse ssh tunnel. So the command I am using is ssh -N ...
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40 views

SSH: Torch-Lua Script Unexpectedly Stops

I'm trying to run a Torch-Lua script on the luajit interpreter by using SSH on a remote (Ubuntu 14.04) machine. It runs only for two iterations and displays all the outputs accordingly, but, as soon ...
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27 views

How can I ssh to a server after running sshuttle?

I ran sshuttle on a server to Nat all of it's traffic behind a proxy server, so in this way I can hide it's IP address. But the problem is that I can not SSH to the server, as SSH will be behind the ...
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28 views

Allow winscp/filezilla through iptables and fail2ban

I just launched a website within my school community and woke up this morning to logs of someone trying to bruteforce into my server. I followed some guides on digitalocean to set up fail2ban and ...
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58 views

Using filezilla to connect to vsFTPd

I'm running Ubuntu on a instance on the university server. I've installed vsFTPd and added a new user. I now want to connect from my laptop with Filezilla. At home it works fine with the ip-address ...
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61 views

SSH connection trough NO-IP refused

I'm running a little server at my home. As you can imagine, my IP address is dynamic. In order to get a static hostname, I'm using the services of noip.com; I've created a hostname in the website and ...
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46 views

SSH Into Local Machine Over WiFi and Access To Internet

I have two computers (running Ubuntu 14.04) connected to a home wireless router. I want to login to my laptop, from my desktop, while at home using SSH. Normally I set my laptop to connect to my ...
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61 views

Randomly refused ssh, xrdp, vnc connections in Ubuntu 14.04.4 server

its my fist post in this awesome forum. Im having a problem in a dedicated HP proliant server with a fresh Ubuntu 14.04.4 installed. I dont know why it seens to randomly refuse all attempts of ...
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74 views

SSH connections cause memory leak in kernfs

I have an issue with my Ubuntu system where memory is leaked each time an ssh connection is opened and closed. I found that the root cause is that after an ssh connection nodes are created and left ...
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34 views

Cannot delete /etc/init/ssh.override file from ubuntu touch

I have installed Ubuntu Touch on Nexus 4, and I am loving it. I want to ssh into my phone using password, so I would like to delete the ssh override file, which is /etc/init/ssh.override However, the ...
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32 views

Large number of ssh failures in message log?

I just looked at the message log vi var/log/message2 I am getting a huge number of failed ssh attempts from China, e.g. Mar 27 06:30:42 xxx sshd[10628]: PAM 2 more authentication failures; ...
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33 views

Ubuntu-sdk does not connect to emulator or emulator does not boot properly

I'm trying to learn how to make scopes using the ubuntu-sdk. However, I can't make the emulator work properly, so I can test my work. When I run the scope, the SDK/QT-Creator launches an emulator. ...
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60 views

UFW rule doesn't work

At first enable the ufw status. root@sai:~# ufw status Status: active It blocks both incoming and outgoing connections, tested by using ping ssh from both sides not working. root@sai:~# ping ...
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25 views

Restricted logins to a specific IP address, seems my IP has changed and now I can't log in. Any way around this?

So I have a dedicated server from Kimsufi.com running Ubuntu 12.04 and I had restricted logins to a specific IP using AllowUsers in the sshd_config file. I restricted all account logins on my dedi to ...
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75 views

SSH to Beaglebone Black is not successful sometimes

I have the latest version of UBUNTU installed on my computer and the latest version of Debian on my BBB. No problem using puTTY to connect my Windows machines (10, 8, even 7), but when I try using SSH ...
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22 views

Saving X11 when logging in another account

My problem is I can't use Graphical X11 when I go to other user account through sudo su - some_user. So, firstly I connect to the remote host using the following command: ssh user1@host -P port -X ...
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2answers
80 views

Can't boot Snappy from SD card on Beaglebone Black!

I've downloaded snappy image to Beaglebone Black: ubuntu-15.04-snappy-armhf-bbb.img.xz. I wrote the image to an SD card, I booted Beaglebone from the SD card, but I can't find the Beaglebone in my ...
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36 views

SSH Raspbian(Pi ) using Ubuntu 15.10

I am trying to SSH the raspberry pi using terminal. i have gone to the cmdline.txt file in the pi boot folder and added ip=192.168.1.20 (Same subnet as laptop IP) I saw the ip adress in system ...
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35 views

juju ssh public key issue

I have two machines on which one is running a postgresql charm and other is running the charm I'm working on. Now I need to ssh into the postgresql machine to run some database migration scripts. For ...
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28 views

ssh server unaccessible

I have an ubuntu server (as a NAS) at home. I use an always-on Raspberry Pi to turn the server on when I need it (WakeOnLan). Both the server and the Pi are accessible via the local network. My ...
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69 views

open ssh connection in background [duplicate]

I've looked at a lot of similar questions about this but haven't found anything to solve my issue. I would like to be able to open an ssh connection to my university's server and keep the connection ...
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19 views

Remote connect OpenVPN

I've got an Ubuntu server running at home, and it's connected to a OpenVPN server. The OpenVPN remote address is 176.126.237.214, with port 25000. This tunnel connection changes my public IP to a IP ...
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51 views

Can't log into Ubuntu 15.10 Server using SSH

SSH works great on my server -- except when I try to log on as anybody other than the first user I created. I have tried adding an AllowGroups line to the sshd_config file, but the default for ssh ...
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30 views

Can't SSH in as root from windows machine to connect Ubuntu 15 running on VM

I'm using the default installation of openssh-server for my ubuntu-15.10-desktop-i386.iso running on VM. I can connect through the console as root like normal, with my username and password. When I ...
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135 views

ssh-add permanently a key without asking passphrase

I have a private key with a passphrase And I have 2 computers running Ubuntu 14.04 On the first I added the key using ssh-add ~/.ssh/id_rsa It asked me the passphrase, and it was added permanently. ...
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56 views

unable to resolv host name ssh google.com ubuntu

I am getting error when using ssh google.com saying could not resolve host address. I think my dns is not properly configured but how do i fix it, i tried many suggestions but cannot fix it i don;t ...
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22 views

ssh key problem while installing hadoop

I am installing hadoop and for that I installed ssh I used following commands: sudo apt-get install ssh ssh-keygen -t rsa -P "" cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys after ...
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43 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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14 views

Error in connecting two laptop using SSH

I am new to this problem. I have two laptop: Lenovo and Hp. I want to connect hp from lenovo. I installed SSH in lenovo and tried to create keys by using ssh-keygen Then I tried to connect by using ...
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65 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 ● ...
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76 views

Trying to install libssh 0.7.X on Ubuntu

So the latest version the package manger only goes up to 0.6.X, but I need version 0.7.X for a project. # Current version dpkg -s libssh-dev | grep Version Version: 0.6.1-0ubuntu3.3 I've tried ...
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60 views

Slow FTP/SSH connection to Ubuntu Server in local network

I have the computer in the local network with Ubuntu Server 14.04 on it that I use as some web local server. Everything working great but connecting to the server with FTP or SSH is very slow. Once ...
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SSH jump + Lock User account on remote machine, but allow user to use sudo?

I am trying to configure a server that users will log into. Users will use this server as a box to jump into other servers via ssh. From jump server to others will use SSH key based authentication. ...
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19 views

Suppress entering pass-phrase for SSH key, needed by Git-Auto-Deploy

I was in a terrible need and I went to Git-Auto-Deploy repository and cloned it into my server. For those who don't know a thing about it, it's a simple HTTP server that listens for Web Hooks from ...
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43 views

Still seeing connections from IP after blocking in fw

So I'm using iftop to monitor connections on my server, and I'm seeing this ip address 116.110.127.24 making constant connections on ssh port. (I'm not sure if this means 22 or my actual ssh port, it ...
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38 views

Restart Upstart Service From Jenkins

I have a jenkins continuous integration service running that manages the automated deployment of our software to a development machine. So far, I have successfully set up the server to copy over the ...
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30 views

How to create an encrypted folder (not my home) and mount (decrypt) it automatically upon login?

Basically I would like to have something similar to Ubuntu's encrypted home folder, except for that the folder I would like to encrypt is NOT my home folder. Nor do I want to use that ~/Private ...
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9 views

Having Trouble Keeping Connections Open

I recently setup a server running Ubuntu 14.04 and been having problems keeping up a consistent connection. I've been getting errors such as Write failed: Broken Pipe over ssh, and Connection ...
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52 views

mpiexec won't run mpi4py script when two hosts are utilized

So I have this other desktop PC, that serves as my server, primesystem and a laptop as my client, zerosystem that is connected to it. They both serve as my ssh-server and ssh-client respectively, and ...
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Multiple scp commands in bash script, but entering password only once [duplicate]

I currently use a bash script in the following format to update local data with remote one: usr=$1 scp -P 4444 -r $usr@some.other.machine.at:/some/folder/*Tools /home/localUser/someFolder/ scp -P ...
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1answer
58 views

How to disable root privilege for SSH'ed users?

I want to setup a VPS that is is open to a few people for them to execute a program. They will connect via SSH. Is there a way for me to keep them from running root commands (sudo, su)? I tried ...
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Using 2 NIC Cards and Remote access

Network Configuration See Network Config Above (Sorry for the link but I can't insert an image yet) I have an Ubuntu Server setup with 2 NIC cards: eth0: 192.168.2.3 connects to DDWRT router that ...
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how do i copy my ssh public key to a new user ubuntu 14.04

Sorry if this question has been asked before, but i cannot find it anywhere here or on google. I set up public/private keys, imbedded into my VPS server successfully, it fully works using putty and ...
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22 views

How to change user without starting a new session?

I am connecting to a server with ssh. I use to change user with su username, but as far as I can tell it always starts a new session. So at the end I have to type 1000 exits and I can't remove users ...
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105 views

How to automatically and remotely backup machine with windows 10 to ubuntu 14.04 server

I've tried looking into rsync but haven't found anything detailed enough on how to go from windows to ubuntu. What do I need to install on client and server sides? Thanks.
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How do you create new users with passwords and set their permissions in SSH?

Want to create users and set least privilege needed for all users. How can I set permissions and make sure users can only access their own files and also create an admin that can access all? Is admin ...
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Does a public key need to be saved on every client that wants access?

If I create an SSH key pair, will I only be able to login through a client machine that has the public key? For example, if I wanted to use a computer at the library or a friend's machine would I be ...