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

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Problem to login facebook after changing/reconfig ssh

I have connect to facebook after reconfiguring my ubuntu's ssh with this code: $ sudo dpkg-reconfigure openssh-server $ sudo service ssh restart then I can't log in my facebook account anymore and ...
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1answer
27 views

X11 forwarding MATLAB under Ubuntu 15.04 leads to issues with text visualization

I am using ssh -Y to connect to a remote cluster from a laptop running Ubuntu 15.04, and when I launch MATLAB version 2013a or later, text is incorrectly displayed (e.g. in the editor, portions of ...
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37 views

No GUI in Ubuntu 14.04.2 after attempting to install Ark Server

I was attempting to follow this guide on how to set up an Ark Survival Evolved Server (including the bits recommended on Steam's website). I now get a black screen with no access from the Ubuntu ...
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2answers
22 views

Unable to connect via SSH from my PC

I am having problems to connect a Linose server via SSH from my ubuntu console. I can connect from other PC's to the same server. When I run: $ sudo apt-get install openssh-server ssh stop/waiting ...
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19 views

SSH users with single access directory and set commands?

I am looking for a way to have a user for instance root-1 to have access to the directory /root-1/* but not let him have access to anything before /root-1/* like /home/users/root-1/. And only have ...
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1answer
84 views

How to ssh to Pre-built Snappy Ubuntu Core for BBB?

Following instructions on page - https://developer.ubuntu.com/en/snappy/start/#try-beaglebone - after I put SD card in with the pre-built snappy ubuntu core (ubuntu-15.04-snappy-armhf-bbb.img) and ...
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1answer
60 views

How login a user on desktop screen using ssh

I wanted to be able to login users on their desktop using ssh. I've a lot of clients and I want to log all of them in using ssh from the server. I'm using Ubuntu 14.04. How can this be accomplished? ...
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4answers
306 views

SSH Ubuntu Touch

I want to SSH my new Ubuntu phone and tried this instruction but it doesn't work. I get "error: device not found" from every single command.
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1answer
43 views

Errors executing Visual Studio Code in 14.04

I'm using Ubuntu Server 14.04 64bit with Putty and xming to ssh into. At the moment these are the error messages I'm getting when I run VSCode. I've tried uninstalling and reinstalling VSCode in ...
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0answers
23 views

Lock user screen with custom full screen image and prevent unlock using ssh

I want to connect to a computer using ssh, lock the computer's screen by displaying a full screen custom text/image and prevent user from doing anything until I unlock the screen again using ssh. How ...
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26 views

VNC connection refused

I have an ubuntu 14.04 server running xubuntu desktop and x11vnc as a vnc server. I am connecting to it via VNC from another xubuntu dekstop using xvnc4viewer. The server has a dedicated IP address. ...
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1answer
14k views

SSH: Could not resolve hostname user@host: Name or service not known with my connection

I have a problem to connect a server using ssh. I got the following error message: ssh user@host SSH: Could not resolve hostname user@host: Name or service not known with my connection Also, if ...
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1answer
45 views

Why can I ssh into my server after I physically restart it, but not after I reboot via ssh?

I have a computer in my living room that I built myself to use as an ssh server to run various programs on as a fun project. I put Ubuntu Server 14.04 on there, and then used Google to figure out how ...
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1answer
16k views

How do I send a notify OSD message to a remote user via ssh?

Sometimes we need to send a message to a remote user. We can display messages on our local desktop using Notify OSD, but we are unable to send a message to the remote user's desktop. We tried the ...
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0answers
35 views

Different terminal color for local and ssh (ALL ssh connections) [duplicate]

I want to use different colors for gnome terminal when I (1) work local on my computer (for example, green font) and (2) remote by ssh (using ssh keys) (for example, red font). I found many answers, ...
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1answer
6k 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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2answers
5k views

Problems using the start-dfs,sh on hadoop 2.2.0

Im using this tutorial for installing hadoop 2.2.0 http://codesfusion.blogspot.in/2013/10/setup-hadoop-2x-220-on-ubuntu.html I've completed many of the steps successfully but I'm stuck over this ...
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1answer
239 views

Shut down list of servers given in a file

I have a list of 17 servers in this format 172.16.1.4 #servername-A 172.16.2.75 #servername-B 172.16.5.53 #servername-C 172.16.5.61 #servername-D i'd like a script that can ...
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6answers
139k views

SSH Public Key - No supported authentication methods available (server sent public key)

I have a 12.10 server setup in a virtual machine with its network set to bridged (essentially will be seen as a computer connected to my switch). I installed opensshd via apt-get and was able to ...
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1answer
4k views

SSH: Permission denied, please try again. While tryng to connect to remote 12.04 server

I'm having quite the head ache because of this. The day before yesterday I rented a VPS at atlantic. They provided me with vnc and root's ssh credentials. I could only login through a VNC viewer ...
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3answers
10k 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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25 views

Why does my SSH connection time out after attempting to use 'scp'?

While connecting to a web server via SSH from my PC, I attempted to transfer some files using scp. The syntax I used was scp user@webserver.com:/home/user/public_html/index.html/ ...
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2answers
44 views

Allow DISPLAY access for a user not logged on GUI

A user "usera" is logged on GUI on ubuntu 14.04.3 (same issue appears on 15.04). When a user "userb" log on the PC through ssh, he can't launch a graphical application with export DISPLAY=:0, for ...
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10answers
48k views

Server keeps asking for password after I've copied my SSH Public Key to authorized_keys

I have an Ubuntu Server, running in a Cloud. I created a user (git). In the folder /home/git, I have created the .ssh/ dir, and the authorized_keys file. But, when I put my SSH Public Key in the ...
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1answer
55 views

Server gets killed due to increasing number of ssh-agent processes

I have a deployment user that's running a cronjob tuning in every minute. On the remote server (the deployment target) I didn't have my public keys available but instead got a Could not open a ...
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1answer
113 views

ssh: connect to host HOSTNAME port 22: Connection timed out

I have trouble connecting to a server with ssh from my Lubuntu 14.04 computer, although it can be done from other machines. I can't get to the address online either (others can). Am currently using a ...
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1answer
15 views

Giving Ubuntu Desktop a domain name to ssh into [duplicate]

I know absolutely nothing about remote access to a desktop. I've just set up a machine with Ubuntu installed which I wish to run calculations on remotely. I've installed openssh-server and opened ...
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0answers
58 views

why can't I ssh into my aws ec2 instance? Permission denied (publickey)

I created two ec2 instances, and was able to ssh into the first two fine. After creating the third, I get this error upon trying to ssh into any of them. This is what I'm running: ssh -v -i ...
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0answers
26 views

My SSH between laptop and server works in localhost, but not remote

I know that this is a common issue, and ive seen alot of posts about it and read alot, but i think alot of the articles and guides assume that the remote connection will work just as easy as the ...
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0answers
16 views

How to deal with mixed permissions while using rsync?

I have a directory which I wish to duplicate on a remote server using rsync. Incidentally, these files are put in the synced directory by use of a Samba share, from Windows clients. I've created a ...
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1answer
4k views

Cannot connect to university computer via ssh over a VPN connection to my uni. network?

I need to VPN for happen a ssh connection to my uni. server. Both computer powered by Ubuntu 13.10. I am able to establish VPN connection to the network but ssh connection does not repond and gives ...
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22 views

Ssh not working after vpn connection established

I am new to Ubuntu, actually new to Linux alltogeter. I have an Ubuntu Mate 14.04 installed on my machine. I also use a vpn connection to remotely access my work account. Even though it worked just ...
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1answer
46 views

Using rsync to back up a remote computer through a reverse ssh link

I can rsync to my remote computer, but cannot rsync from my remote computer--it doesn't seem to exchange a file list in that direction, so it tries to transfer all of a huge number of files rather ...
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12answers
70k views

Trying to do ssh authentication with key files: server refused our key

I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server. I downloaded puttygen.exe ...
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24 views

Ubuntu machines cannot connect to each other on the same network

I'm having trouble with Ubuntu machines not cooperating on my home network. The network structure is VERY simple. It's simply two Ubuntu machines (one running XBMCbuntu on 14.04, the other Ubunutu ...
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22 views

Can't connect to froxlor clients via SFTP

I can login to root and other ssh users using SFTP (ProFTPD) without a problem but I can't connect via sftp to any of the froxlor clients that I add via the panel though. With some help from here, I ...
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1answer
60 views

Code to send the contents of a text file into a terminal window [closed]

I'm looking for some code to be able to send the contents of a text file to the terminal window at the press of a button or through by typing an alias into the terminal. If I explain what I'm trying ...
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1answer
69 views

Is there any way to share a pts/x?

What I mean is, user A connect via ssh to the box (ubuntu 12.04). Then ssh to another box (Linux/Solaris/etc) and work. User B connects to ubuntu box and can see what user A is doing. I know for ...
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1answer
68 views

Different shells on SSH and local

So I've got an Ubuntu 14.04.2 computer that has OpenSSH Server installed on it. Whenever I use the computer locally, through the terminal, if I run: ~$ echo $SHELL /bin/bash However, if I SSH into ...
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1answer
48 views

find ip address using hostname

I have two linux servers and i'm trying to access them remotely. I know the ip of the first server but i forgot the ip of the other one. I'm trying to use nslookup, I did nslookup server2 and the ...
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1answer
21 views

Sublime Text Won't Open Remote Via Caja (nautilus)

On my home machine (Ubuntu Mate 15.04) I use and Sublime Text (3) to edit remote files on my server via the sftp connection created in Caja (Nautilus). I'm traveling and on the laptop, it has the ...
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3answers
27k views

Why am I getting a “port 22: Connection refused” error?

I am getting a port 22: Connection refused error while connecting to a server. I have both the openssh client and server installed, and they are running. But still there is an error. Please ...
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0answers
15 views

“System restart required”…why? How can I get what triggered this notification to also show details?

Every so often, I'll SSH into a box with unattended-upgrades and be greeted with "** System restart required ***" with no additional information. My '/var/run/reboot-required.pkgs' file contains: ...
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1answer
11k views

How to know actives ssh port forwarding

I have configured in ~/.ssh/config many port forwarding for VNC with different port for each servers. Is there a command which can help me to know which port is forwarding to when I open an SSH ...
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0answers
75 views

Can't sftp into server Permission denied, please try again

While trying to SFTP in to my server i get debug1: Authentications that can continue: publickey,password Permission denied, please try again. Even though i am using the right password. SSHD_CONFIG ...
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3answers
6k 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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2answers
204 views

Nothing comes up with I try to change the SSH port

I'm trying to change the port number, and I've found a few answers on here from the past, most saying that you should use the following code. nano /etc/ssh/sshd_config or modify ...
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0answers
85 views

How to use redsocks to redirect all internet traffic to ssh tunnel?

I have an OpenWrt router with the IP of 192.168.1.1 and I wanna redirect all the internet traffic to my ssh tunnel, this is the ssh command that I use: ssh -o "ProxyCommand corkscrew 127.0.0.1 3339 ...
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2answers
5k 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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1answer
99 views

How to stop the local port forwarding?

I was trying local port forwarding and I hit the following command: ssh -L 8080:www.ubuntuforums.org:80 <host> in order to see what will happen. Now, on my computer, when I hit ...