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

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SSH not working on my remote server

Connection issue on my server, I connect server to my local but not connect Error on File Browser popup "ssh program unexpectedly exited". I am trying to via terminal its working fine but not working ...
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92 views

Chrooting to a mounted USB Stick using SFTP

I would like to use SFTP over OpenSSH as a small FTP server. However I would like to use a mounted hard drive or USB stick as the chrooted directory for the user. As far as I see, chrooting is ...
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321 views

How To Configure Multiple Virtual Machines As An Internal Network Via SSH

First of all, I am using Windows 7 as a host. Then I install Ubuntu 12.04 Guest under VirtualBox. Then I get an access to the other four virtual machines (also Ubuntu 12.04 Guest) via ssh by running ...
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140 views

pam radius module access-reject

I am trying to set up an Ubuntu server that my users will connect to. I already have a Radius server running on a Windows box, and I would like for connections to this Ubuntu box to authenticate to ...
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81 views

“Service ssh restart” causes server to encounter Kernel panic

I just got my HDD's in my servers raid controller replaced with Intel 520 SSD's. Now after reinstalling the server (with ubuntu server 12.04 and with a newer kernel 3.8.0-29-generic) and installing ...
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561 views

fail2ban block retry count always changes

As title mentions clearly, fail2ban block retry count always changes. I set all retry counts to 3; but sometimes it blocks me after 6 or 7 retries. How can set its behavior a constant value? I added ...
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147 views

Ubuntu server 13.04 ssh keygen issue

I want to be able to use github and their service hooks to deploy sites and apps to the server. To do this I need to create an ssh key and put the public key into github. I go through the ...
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272 views

connecting through a proxy, ssh Could not resolve hostname

I need to connect with a server of my company. I'm behind a proxy, and my browser have the proxy configured. From my browser, I can reach this server. But with ssh I cannot contact with this server, ...
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140 views

How to run openmpi on virtualbox with 3 PCs through SSH?

I have 3 PCs with Vista, running Ubuntu through Virtualbox on them. I have installed openmpi and ssh on them, they are connected via ethernet. The IP addresses are all 10.0.2.15. And I can ping with ...
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759 views

Suddenly cannot access SSH on LAN

I had ssh running on my LAN server. Suddenly (not sure what I did), I cannot access the LAN server via ssh. When I try, it just hangs for a while with no response and finally comes out with a timed ...
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450 views

mount a remote (ssh) usb disk?

My home server has an external USB drive connected. I prefer to keep it unmounted so I don't have to log in if I want to unplug it (for backup rotation). But I'd also like to be able to browse it in ...
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1k views

Reverse SSH Tunnel Issue

I'm working on setting up an unattended Ubuntu PC with Ubuntu Server 12.04 Minimal, and since this PC will be placed in a remote location with no keyboard or screen (unattended), I need to have a ...
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228 views

ssh client times out to some servers, works on others

I have a strange problem and I'm not sure where to begin. My ssh client works on some servers but times out on others. Obviously, I checked that the servers are accessible via ssh from other ...
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562 views

Suddenly cannot SSH into server from LAN, but can from outside LAN?

This is the weirdest problem I've ever had with trying to ssh into a server. Suddenly I can't ssh from my workstation to the server on the LAN. I can do so just fine from home, however. ...
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13 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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6 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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18 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 ...
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31 views

How to start lxsession from command line with proper user priviliges

I'm trying to achieve two things that I can not get to work because I don't know how to correctly start an lxsession in Lubuntu 14.04.2. I boot to the command line with the following line ...
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35 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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16 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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8 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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15 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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12 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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23 views

ec2 SSH tunnel not working?

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've gotten to: $ ssh ubuntu@ec2-blah.amazonaws.com -i ...
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33 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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30 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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24 views

Eclipse over X11 forwarding is not showing all icons/assets

I have a virt running RHEL5 which has Eclipse installed on it. I'm using SSH -Y to start eclipse on my Ubuntu host. My problem is that not all assets in Eclipse seem to be shown. Some of the menus ...
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48 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 ...
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27 views

GLASSFISH - domain.xml permission denied local-instance

I have installed Glassfish 4 on two ubuntu 14.04 servers. Called them das-glassfish and node-glassfish I have made connection between them ,the ping works fine and the ssh connection is correct too. ...
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17 views

After I installed UFW ssh login very slow

I'm wondering if I made a mistake or if this is the normal case. I turned off password based ssh login and changed it to RSA key exchange. After that I changed the ssh port and then I installed UFW. I ...
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69 views

GPG Password Agent and SSH Key Agent

Yesterday I wanted to add an app to the startup menu, and I noticed that there are two instances that weren't there before: GPG Password Agent and SSH Key Agent. I didn't install those, and I read it ...
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34 views

Unstable Network Connection in local network

I encounter serious network problems for a Cubietruck mini-PC in my local network: the connection within my local network is very unstable (I use a wired eth connection). Here are some network tests ...
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39 views

Couldn't connect through SFTP after setting up SFTP

I setup SFTP on my ubuntu machine as follows, apt-get update apt-get install openssh-server cp /etc/ssh/sshd_config /etc/ssh/sshd_config.bak sed -i 's/Subsystem sftp ...
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18 views

How to fix GSSAPI errors on ssh login?

Before the login: prompt when connecting to a new ubuntu server, I get [ GSSAPI Authentication not available. ] [ Unspecified GSS failure. Minor code may provide more information: No credentials ...
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88 views

rsync was working fine then started getting connection timed out errors

I've inherited some fairly old Linux installations and I'm very green in regards to Linux. The issue I'm having is server A (Ubuntu 8.04) backing up (basically copying) files to server B (Ubuntu ...
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68 views

Failed to load module “pk-gtk-module” in host centos while ssh to ubuntu

When i am logging in via ssh to the ubuntu 12.04 server from centos machine and running the gvim editor then i am getting the error: Gtk-Message: Failed to load module "pk-gtk-module" . If i am ...
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25 views

ssh issues with x2goclient on Ubuntu 12.04

I have been trying to connect to another machine using the x2goclient from my Ubuntu 12.04 and getting ssh errors all the time. As I googled out the error message I got, it looks like lot of them ...
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24 views

SSH UFW: ERROR: Could not find a profile matching 'ssh'

I am installing a new server. I am using ssh to connect but when I try to install ufw and allowing ssh: sudo ufw allow ssh I get ERROR: Could not find a profile matching `ssh` It is kind of ...
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48 views

ssh_exchange_identification: read: Connection reset by peev

I am getting the following error using ssh to connect to a server. ssh_exchange_identification: read: Connection reset by peer I have no problem connecting the same server from another machine and ...
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27 views

Unable to open terminal via VNC and New network settings blacked out

Sort of stuck with this one and not to sure what could it be. I have just setup a new VPS and still learning Linux. I have a VPS that I am is running xfce4 xfce4-goodies tightvncserver with a SSH ...
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45 views

how to setup ssh tunnel

I have set up an ssh tunnel and verify that it is working by doing : $ sudo service stunnel4 start Starting SSL tunnels: [Already running: /etc/stunnel/stunnel.conf] stunnel. $ netstat -natp | grep ...
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63 views

problem with using git using private key

sorry if this question seems so easy but I'm new with UBUNTU and I still couldn't figure that out. I've been given a private key with password to clone and install a software from a repository using ...
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61 views

After reboot, ssh refuses connection

I've never touched sshd_config, all ports open (22, 80, 443), ssh status says ssh server is running. I had all working before reboot perfect, now it´s all dead and I can't enter site, neither using ...
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9 views

monitor network connectivity faults?

I am suffering poor connectivity when i work at home. Frequently I see write failed broken pipe and other errors indicating that Ive lost connection. I would like to complain to my service provider, ...
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53 views

Can't SSH into Ubuntu server

Appreciate thoughts on how to debug this situation: built a headless box with Ubuntu server 14.04.1 LTS, and installed Plex and SSH server. For several months, everything was running fine, but in the ...
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22 views

NX Client for Linux connection timeout

I have a problem during connection with NX Client for Linux. I am using Ubuntu and when I try to connect I get a message after some time which says Connection timeout. I checked the connection with ...
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14 views

How to bring all ClusterSSH windows to the front?

Is there a way to bring all the windows of a ClusterSSH session to the front? After a while entropy builds up and some windows end up minimized, others end up behind other windows, and so on. ...
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102 views

SSH using Terminal / Terminator is “very” Slow (at the connecting time) Compared to putty

i searched in all stackexchange website, the same question is asked few time and I did all that mentioned in those threads...but still when doing a SSH to a remote server using terminal during the ...
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52 views

OpenMpi cluster in Ubuntu 14.04 LTS

I have setup the clsuter as per the guidelines and steps provided on the link https://help.ubuntu.com/community/MpichCluster I am able to login (without entering password) from mater to slave as well ...
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60 views

SSH key stopped working on Ubuntu Azure VPS

I have an Ubuntu instance that I'm running on Azure. I've been using it for the last 6 months or so to level up my novice Linux admin skills. Yesterday I was configuring a Capistrano deployment to ...