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

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User has no permissions in sftp

I installed LAMP in my Digital Ocean droplet. I have successfully logged in to SFTP. However, when I try to do anything in my /var/www/html/ folder it says permission denied. It may be worth ...
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58 views

Non privileged user launch SSH?

My server got hacked, and as a result the server guys decided that my apache user would be one called 'nonpriv' which has no privileges at all. Before that happened, I had a user that run apache ...
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528 views

Cannot install Openssh-server or client

When I go to install, I get this error: sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages could ...
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128 views

ssh dynamic socks server running in the system is not accessible from outside

I have an infrastructure hotspot setup on my Ubuntu machine using ap-hotspot. I connect to this hotspot from my Android phone and am able to access the internet through this. Now, I have a ssh ...
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43 views

Why would SSH ask for password every other day?

So I've been using ssh for quite a while with a server for the company I work with. Since about a month ago ssh keeps asking me for my passphrase for the rsa key, mind you, it does it every other day. ...
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109 views

Desktop's “Connect to Server” function repeatedly asks for SSH password after connecting

I would like to use the "Connect to Server" function (available from the Ubuntu desktop menu) to open a Nautilus window showing the file system of another machine through SSH, since I find it easier ...
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284 views

Backup files and folders on Qnap Ts-421

I have a ubuntu 12.04 desk that I use as a file server, I have a Qnap turbo NAS Ts-421 that I'd like to use as a backup destination. I've enabled smb, nfs, ftp, and ssh and the firmware is the latest ...
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83 views

artillary is not with SSH in ubuntu

I have installed Artillery in Ubuntu 12.04 LTS. I have started artillary and started that service with service artillery start while I am doing netstat -nltp | grep LISTEN why SSH port number ...
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105 views

How to allow multiple users to use the X display?

I got a physical machine running Ubuntu 12.10 server edition along with a X server + Unity. I would like to remotely connect to this machine through SSH to run a graphical application over the remote ...
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47 views

keep track of all logins and logouts

The system is using wtmp to keep track of all logins and logouts to the system. Since the new year, it doesn't keep track for more than a day. For example when I look at all logins I see the ...
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639 views

Not able to connect to Vmware ubuntu using Putty in Windows 7

I have installed Vmware Ubuntu in my Windows 7 PC, with network settings as Bridge connection. I got IP address in Ubuntu as "192.168.1.3" and I am able to ping that IP from my Windows host, but when ...
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113 views

how to quit sshuttle and get system networking back to normal in VBox

I love sshuttle. My new fav toy. But...when i run from the command line and I use ctl-c to quit....my networking is screwed and I have to restart the VM. Using 12.04 Here is how i start from the ...
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161 views

How to ssh tunnel to ec2 for running a local python script

I can create a tunnel for FF using the below on Ubuntu. Machine is 12.04 in a VBox on a mac host. -i ~/.ec2/aws_development_oregon.pem -C2qTnN -D 8080 ubuntu@test.com But..what I need is for my ...
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91 views

Allow users to access specified IPs only

I have a computer that offers both a VPN and a SSH server running three (separated) VPN networks. All users log into the server via ssh. However, I want that only certain users can communicate to ...
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55 views

SSH keys don't work on KDE

I've got my ssh keys working on Gnome and XFCE (using gnome-keyring). However when I switched to KDE, then it doesn't work at all. What's more, even when I start ssh-agent, and add keys, and try to ...
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94 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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361 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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157 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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89 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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150 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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151 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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788 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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468 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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262 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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586 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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12 views

ssh hangs when executed from Code

i am trying to log the RSSI value of wlan0 interface for a remote system. I run the following command to do that. sshpass -p <pwd> ssh <username>@<IP> iwconfig wlan0. I am executing ...
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14 views

using ddclient with namecheap dns service doesn't update IP

I have just set up my first ever home server. I created root, made the IP static on my local network, installed openssh, and can now ssh into the computer as long as i am connected to my homes router. ...
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11 views

SSH with PAM Google

I have a server with Google Authenticator enabled. It worked fine, and one day I tried to login, and suddenly I'm not able to. Fortunately, I do have Ajenti installed with a terminal, so it's not a ...
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41 views

Port 22: connection refused

I am pretty new to Ubuntu so please if you can answer to this question explicitly. I have two laptops one is running on MAC OS X 10.8.5 (OS X Mountain Lion) and the other one running Ubuntu 14.04 LTS. ...
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26 views

I can't get ssh:// links to open in a simple index.html webpage

I want to have an ssh link open up on click. I am having students VNC to an Ubuntu VM for them to learn Linux on Cumulus Linux switches. I was reading this thread: How to change what xdg-open does ...
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14 views

Enable Vino Script Help

I have been trying to add and enable Vino to our districts Ubuntu laptops but have come up with some issues that I can seems to find a solution to and i was wondering if you might be able to assist. ...
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19 views

SSH by key incredibly slow

SSH connecting with key, from my machine suddenly got incredibly slow (~10sec!). It is not a server or DNS problem as far as I can figure out. The problem suddenly appeared after a simple apt-get ...
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15 views

SPAMHaus/ CBL Blocking List:: UNIX System (Firewall)

I am no linux/ unix guru but CBL and Spamhaus are blocking us every 8 hours roughly and recording it as SPAM. I have completed their instructions to do the following but am concerned i have done it ...
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49 views

Ubuntu server 14.04.02 unresponsive with most of the commands (Ping, etc…) after apt-get dist-upgrade

[EDIT] Seems solved, problem with name resolution suddenly disappeared [/EDIT] I have a Ubuntu Server 14.04.02 on a private server with generic kernel installed, that I can still SSH into. Welcome ...
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14 views

sftp with triple ssh hops

I want to transfer files (in both directions) between my computer ("comp1") and a remote computer ("comp2"). In order to connect, I need to pass two servers along the way ("server1" and "server2") via ...
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74 views

Ubuntu MATE SSH Keys Not Working

I recently moved to a new place, made no changes to my SSH keys, and for some reason I can no longer authenticate via PuTTY to my Ubuntu MATE box. Has anyone encountered their SSH keys randomly stop ...
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21 views

How do I point a domain to an Ubuntu VPS server with only SSH terminal and FTP?

I've recently purchased a VPS hosting server from godaddy (ubuntu server) and I want to configure a domain for this account. They are not providing a cpanel for this account. I only have SSH and FTP. ...
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12 views

Cannot log into SSH Server after SVN installation

I set up SVN on my server and with a different password to my SSH login. I have since then been unable to login through putty when I try to through ssh through my login me@my-server-ip. When I try ...
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24 views

Should I add fail2ban to the following security setting?

I apologize if this is not the right forum, I am new to the StackExchange communities and Linux in general and it seemed like it could belong in a few different ones. I am using a VPS running ...
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22 views

Error - The host key for this server was not found

I try connect to remote server with KNetAttach, but receive tis message The host key for this server was not found, but another type of key exists. An attacker might change the default server key to ...
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13 views

Bup - Backup thru ssh

I am new to ubuntu and to bup. I have my local machine and my remote server. I have generated SSH keys and on my server i have added my key and i auto login when i type ssh @ But when i try to run ...
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20 views

Dbus-error while accessing MATLAB remotely through SSH

I am trying to access MATLAB remotely through SSH. Both machines (server and the host) are running Ubuntu.I am facing the following error. kw12568:sandhua~> MATLAB is selecting SOFTWARE OPENGL ...
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94 views

Kubuntu 15.04 automatically unlock SSH key on login

I'm using the Plasma desktop on Kubuntu 15.04. I've switched over from Gnome 3, which automatically adds your SSH keys to the gnome keyring and (if your login password is the same as your keyring ...
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15 views

Create a jumpbox menu

I am looking to create a menu on a network jumpbox I have ~200 servers that I connect to and I do not want to have a CRT session for each of them. I want the menu to be searchable so I can hit "/" ...
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20 views

How to handle disk encryption for remote connection?

I have at my workstation, an ubuntu 14.04 installation with full disk encryption. I now have to travel frequently for days and am planning to ssh into this machine from my chromebook to work remotely. ...
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42 views

How to connect to a LXC container from the LAN?

I have a server with the latest Ubuntu server 64-bit install in my home wlan. I use ssh to connect to it from my laptop. The server /etc/network/interfaces file: # The loopback network interface ...
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39 views

unwanted popup for passphrase

When connecting using ssh I am not asked for the key passphrase in the terminal but in a popup window. How can I switch to typing the phrase in the terminal? As this seems connected to the ...
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53 views

After “sudo update-rc.d ssh defaults” cannot connect through SSH even locahost

On this question here, Start ssh server on boot simple, he gave one command to use, followed what he said, did it, and now, without touching or restarting or anything, I could no longer connect to my ...
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38 views

Problem running ufw on Ubuntu 14.04 server

ufw is supposed to be the easy firewall for Ubuntu, but I seem to still having missed something. After a fresh install on my 14.04 server, and leaving it default, the terminal will freeze after ...