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

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x11vnc configuration with SSH

I have followed after those steps of setting up the x11vnc, Run the following to install: sudo apt-get install x11vnc sudo x11vnc -storepasswd **yourVNCpasswordHERE** /etc/x11vnc.pass sudo nano ...
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20 views

FireFox, ssh tunnelling not working

I have Ubuntu 14.04 installed on a virtualbox vm. Set up ProxyCommand and it seems to work fine in order to connect my jumpbox before connecting to server1. So from localhost I connect to Jumpbox the ...
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22 views

Knockd not recognizing knocked ports Ubuntu Server

I've got a server with knockd running. When ports 7000, 8000, and 9000 are hit, knockd is supposed to insert a rule into my iptables firewall and allow the connection to reach a port (22). For some ...
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22 views

Apache2.4 PHP 5.6 Ubuntu 15.10 No Input File Specified

I am running a VPS with Ubuntu 15.10 using Apache 2.4 as my web server and I am kind of new to servers and stuff but I am currently creating an API. I first did this on my localhost. This worked ...
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10 views

Can I use a UDP connection for the “Connect to server” option in file manager?

I work a lot on remote mashines and like to bookmark them in my file explorer using sftp://user@host/initial/dir syntax. In unstable networks, this connection keeps breaking off an I have to ...
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20 views

Check status progress on running rsync

I have started a rsync task via terminal on my local ubuntu machine to copy files from one local HDD to another local HDD with the command rsync -a --progress source destination. Hence I am able to ...
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12 views

Autossh fork after entering password

I have an SSH tunnel that I run with autossh to keep it going reliably. The only issue I have is that I have an encrypted private key which I use to connect. If I want to fork my process to the ...
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18 views

MPI-programm tries to access via ssh(?)

I got an MPI code which I can't get running. All needed libraries are installed and compiling works with no problem. But when I start the code mpirun -n 2 ./a.out the terminal freezes after some ...
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9 views

Use vpnc For Specific URL And Port

I'm on Ubuntu 14.04 and I use vpnc client to connect to a client's network. However due to this all of my traffic (web browser, streaming, skype, etc) gets routed through the VPN even though I only ...
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40 views

HDMI screen gives “no signal” but VNC screen shows window manager correctly

My Ubuntu 12.04 kernel is running perfectly fine and even the desktop shows in all its glory when I connect via a VNC client from my Mac. It even recognizes my HDMI monitor that is physically plugged ...
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13 views

IP changed and can't start Xwindows now

Client PC: Windows 7 with Putty 0.63. The IP changed on this PC. Ubuntu 14.04 Ubuntu shell: bash On client PC the Xwindows server is Hummingbird Exceed v14. All this worked fine until my client IP ...
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60 views

cannot ping or ssh, can connect to localhost

I can connect to the localhost using: ssh root@localhost However, when I try to connect to my Amazon EC2 instance using ssh, it says: ssh: connect to host ...
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64 views

How can a user account be disabled?

I've had a Ubuntu 12.04 LTS VM machine running my web sites for the past 2 years, on Windows Azure. I hadn't logged in for a few weeks, and today I tried to log in, via PuTTY/SSH username/password, ...
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45 views

Ubuntu Server Network Setup

Hello All I am new to the community, sorry if I break some of the questioning precedents. I am trying to set up an ssh server and I just installed the 14.04 Ubuntu Server on a desktop. I was not ...
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36 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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39 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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27 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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57 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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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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59 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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73 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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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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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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71 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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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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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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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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20 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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63 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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72 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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59 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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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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36 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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50 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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26 views

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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21 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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100 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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57 views

Very slow DNS resolution only on SSH

The question seems trivial, but I've already unsuccessfully tried some common solutions. I'm experiencing a very slow SSH connection to any server using a domain name, while it's always very fast ...
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38 views

Bash - for loop help needed please

So I have the below script and it works as expected (it SSH's to 40 hosts, goes to a specific file looks for a specific word with a date of yesterday, puts a . at the end of the line and then mails ...
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168 views

command-line: line 0: Bad configuration option: PermitLocalCommand

I am getting error in Ubuntu command-line: line 0: Bad configuration option: PermitLocalCommand while try to copy file from one system to other. I am Using command : scp testfile.txt ...
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92 views

Failed to load NVIDIA drivers

I have an NVIDIA NVS 5200, and my machine is running Ubuntu 15.10. I am trying to access a software that is currently installed on a server. In order to get the window of the software, I am using the ...