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

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Ubuntu Desktop as a server. Should I uninstall the GUI? And if, how?

I'm running an Ubuntu 14.04 Desktop version as a LAMP server. Is a big difference between efficiency when the GNOME desktop environment is running? or it is better that I remove desktop and use only ...
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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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1answer
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Implications of manual server time change

I am running a web server on ubuntu 14.04 (nginx as a proxy for a node application, as well as a go application daemonized using supervisor). I would like to know the implications of manually changing ...
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1answer
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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1answer
34 views

SFTP access to other folders

My current server setup with 14.04 includes OpenSSH with SFTP configured: Subsystem sftp internal-sftp Match group ftpaccess ChrootDirectory /mnt/earth/www X11Forwarding no AllowTcpForwarding no ...
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19 views

openconnect: connection destroyed after ls and unable to use sftp

In the past I have used Cisco AnyConnect under Mac OS to connect to a remote system at my uni. This worked perfectly. Now I wish to do the same thing under Ubuntu 14.04, however Cisco AnyConnect has ...
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1answer
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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1answer
43 views

Attempt of apt-get install sftp fails with : E: Package 'sftp' has no installation candidate

magnus@mt-dell:~$ sudo apt-get install sftp [sudo] password for magnus: Reading package lists... Done Building dependency tree Reading state information... Done Package sftp is not available, ...
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43 views

how to prevent people from using ssh from a machine, but allow ssh in

Somehow a user has been gaining access to my server. I have blocked ssh for all but a few users I trust and who absolutely need ssh access (used AllowUsers in sshd_config). In the event that one of ...
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1answer
30 views

SSH locked out need to put files onto server

Okay this is my last hope I have a server which i am locked out on because we were testing some different host files in the /etc/ssh folder. I am trying to get my back up onto the server so that i ...
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2answers
71 views

how to turn off password-less login for ssh?

I had setup password-less SSH login from my desktop to my laptop following the steps here. Now I want to turn off the password-less login so that when I ssh from my desktop to my laptop, it will ask ...
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45 views

Troubleshooting Ubuntu via Remote Terminal

In a situation where an unscheduled system reboot occurred on an Ubuntu environment and the only way to access the device is via Remote Terminal. What are some of the things you ...
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1answer
426 views

How to enable indirect GLX contexts (+iglx) in Ubuntu 14.04 LTS with nvidia gfx-cards

I am running a linux-host for Qt-software-development at a central place. With my windows box I use Xming as a local X-server and putty to connect to that linux-host. With this configuration I can ...
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1answer
88 views

iptables and hacker prevention

Hello fellow Ubuntuers! here is an example of my iptables.rules file: *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :f2b-sshd - [0:0] :f2b-sshd-ddos - [0:0] -A INPUT -p tcp ...
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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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1answer
35 views

How to create new user with Public key authentication?

I have Ubuntu Server 14.04 LTS. I have Public key authentication enabled by default. I used the following command to create new user: sudo useradd -m -c "John T." john -s /bin/bash The command ...
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2answers
152 views

Running command in a new bash shell process

I have looked around as I would've thought this would be a rather common question, but nothing seems to be working for me. Basically I'm trying to SSH into a device (Raspberry Pi) to run a process. ...
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92 views

Why does remote SSH connection time out?

My server runs Ubuntu Server 14.04. When connecting over SSH from a local LAN client it works fine. When I connect using a different machine from an outside network, I get 'connection timed out'. I ...
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1answer
29 views

ssh Help logging to remote VMware

http://imgur.com/PLCiwWh Can anyone help me figure out that I am doing wrong here? I am trying to remotely login to another virtual machine.
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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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1answer
150 views

How can I repair gnome-keyring to unlock my SSH keys automatically after login?

It looks like some recent package updates broke some functionality of gnome-keyring. When using SSH from the terminal it asks me for the password of my SSH private key. Previously the key was unlocked ...
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2answers
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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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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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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1answer
76 views

Disable sleep on laptop lid close in tty1

I'm using Ubuntu Desktop 15.10 on a laptop and it runs an Apache server with SSH as well. When using a GUI, I have the power options set to not sleep at all even when the laptop lid is closed, but ...
2
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1answer
120 views

Running a GUI application on windows from an ubuntu server

I don't understand a lot about ssh so some help would be great. I want to be able to use the scipy stack and in particular the spyder ide on a windows or osx machine while connected via ssh to my ...
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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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2answers
54 views

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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3answers
56 views

Setting-up SSH-tunnel for VPN?

I have a laptop running Ubuntu. I also rent a VPS running Ubuntu. I've bought a paid VPN-service, which I use on my laptop. I was wondering how I can set-up a SSH-tunnel or something similar, from ...
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1answer
49 views

SSH public key added but still prompt for password

I've encountered an error when trying to setup so I can connect to my HTPC with my laptop, I've followed this guide from ubuntu help This is my ~/.ssh/ permissions on my remote host -rw------- 1 ...
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1answer
28 views

connect / ssh as root using a script without everytime typing the password

Is there any way to connect or ssh using a script without everytime entering the password from my machine. I tried ssh key-gen available here , it is working but when I want to run something as ...
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28 views

DNAT redirecting to specifc port is not working

I want to redirect ssh by port using DNAT, and i do try to ssh it through the command > username@IP_ADDRESS:10003 and i got this message "ssh: Could not resolve hostname IP_ADDRESS:10003: Name or ...
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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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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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37 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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5answers
352 views

ssh connection refused

Hi I'm having a problem with my ssh, which is magically stopped working and I couldn't figure out why. The message it give is: ssh: connect to host <host> port 22: Connection refused I don't ...
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48 views

OpenSSH asks for root@hostname password instead of user@hostname password

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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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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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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2answers
127 views

How can I run a Java program in background?

I try to make a init.d script which should start this java command: java -cp ./:/opt/glassfish/domains/domain1/lib/*:/opt/glassfish/lib/* com.name.it.svcimpl.OrderRequestDispatcher & With & ...
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SSH client on Ubuntu 15.10 is not working with public key

I am trying to ssh from my Ubuntu machine to other SSH servers, and also to itself but it is not working with the public key - it always prompts for a password. verbose output from ssh client ...
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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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0answers
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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
400 views

ssh-agent – What does this process do?

I've found something odd in my system monitor. In my process list was 'ssh-agent', now I'm not too familiar with SSH but I know that it can't be normal for an SSH service to be running on a VANILLA ...
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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 ...