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

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send visuals to screen

I have a 3d printer, and web cam. The camera is all zoomed in on the printer, and the screen it currently displays on faces the street. I can set it all up, so ppl can view the printer as it prints ...
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468 views

Can't ping new Ubuntu 13.04 install unless I first ping another computer from Ubuntu

I've got a weird problem here, my new Ubuntu install can access the internet, ping other computers on the wireless LAN, ping servers outside the network (ie: google.com), and ssh into itself using its ...
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534 views

Force lease renew for leases in /var/lib/misc/dnsmasq.leases

I have a Raspberry Pi connected to my laptop (running 13.04 with Gnome) via direct ethernet using these instructions. Normally, the RPi will connect and work just fine. However, if I disconnect the ...
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1k views

Putty alternative on Ubuntu with connection manager

I am looking for a putty alternative on Ubuntu with the ability to save sessions, allow username@hostname connection format, allow coloring of terminal window. I need to connect to a lot of various ...
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526 views

Problem with X can not open display while ssh from ubuntu 13.04 to centos servers

I have updated my desktop to Ubuntu 13.04 and I can not use X when using ssh to CenstOS servers. I receive the message: "Error: Can't open display:" or (gedit:25821): Gtk-WARNING **: cannot open ...
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262 views

How to disable user remote logins in my ubuntu server?

I have an Ubuntu server that I have installed KDE on it. I use XRDP package that enables users to use Microsoft Terminal Services Console to remote to my server. I have a backup operator that I need ...
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60 views

Samba shares offline after period of inactivity

I have a machine running 13.04 that is always on, with Samba always running so that I can stream videos to other computers in the house. After a period of inactivity of I don't know how long, The ...
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133 views

IPTables SSH lockedout

I have followed the instructions on this article (link below) to setup a PPTP VPN server, I was connected to my box over SSH when doing so. After rebooting I am unable to connect again, I have ...
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262 views

SecureCRT VS Putty

i want my secureCRT looks like putty if I use Putty then it would look like this but when I use SecureCRT it look like this any idea how to do it
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80 views

Created a Samba share but when I view the share the folders are shown as files

Here is the setup Computer A = Ubuntu Server 12.04 LTS Computer B = Work PC (AD) Computer C = Home Laptop Computer B initiates SSH with reverse tunneling to Computer A Computer A successfully mounts ...
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180 views

SSH only works with default port outside LAN

I have the openssh-server installed in one pc and I was connecting normally to it from outside and inside the LAN using SSH in the port 10465. However, one week ago or so, I could not connect to it ...
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304 views

I want to use ssh/filezilla to transfer data from one ubuntu 12.04 to another. Both use different hughes routers

I want to use ssh/filezilla to transfer data from one Ubuntu 12.04 to another in different countries. Both the computers use v-sat and Hughes routers to connect to Internet. How do I achieve that ...
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101 views

How to run a logon script one time when a new user logs on

I have an ssh server with multiple users, How to run a logon script one time when a user logs on, or until the user provides meaningful feedback? I have a user who needs to sign off on a document ...
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28 views

Remote SSH through Firewall

I'm looking for a teamviewer type way to ssh to Ubuntu headless servers through firewalls. Does anyone know of an application to use, or any ssh tricks which would allow this. Any help or suggestions ...
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32 views

How can I delete files from my PPA via sftp?

I can sftp to my PPA successfully, but I cannot see any files or do anything. Connected to ppa.launchpad.net. sftp> dir remote readdir("."): Failure sftp> ls remote readdir("."): Failure ...
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103 views

logout when running firefox over ssh

this is very strange and has never happened before. When I ssh to a remote computer at my uni and try and run firefox (even with -no-remote etc.) it automatically logs me out of my local computer. ...
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61 views

Remote server's x menus without vino, vnc etc

A question where both google searches, as well as askubuntu and ubuntu forums searches fails though rephrasing the question a number of times. Have a Lubuntu server with some storage and functions ...
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199 views

How to disable FIPS mode in /proc/sys/crypto/?

How can we correctly disable FIPS mode cryptography system wide? I've read is enabled by default in /proc/sys/crypto/ which has inside in text "fips_enabled". Is this the only place in the OS that ...
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57 views

Ubuntu 12.04 ssh

I have two computers with identical installs of Ubuntu 12.04. Computer A is connected to my router through a wired connection. Computer B is connected to my router through a wireless connection. If ...
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152 views

remote ssh login problem

I'm attempting to log into my desktop via the terminal on my laptop. It's connected wirelessly to my modem/router which connects the target machine via ethernet cable through a gigabit switch. I was ...
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39 views

Accessing ubuntu remotely externaly network

Id like to access my laptop that is connected to the wireless of my university. I was connecting using TeamViewer but now the TeamViewer do not answer more when my computer is in university, I dont ...
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57 views

Simple wifi connection between two machines

I have 1 laptop running ubuntu 12.04 and a robot running 10.04 currently set up to connect to a router which assigns them a static IP (in order for them to be able to always locate the other one) and ...
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113 views

Port forwarding through another router?

So I wanted to make my desktop a server for file transfer across globally (access it wherever I am). I've read a site with instructions using openssh-server I have a router that is provided from ...
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90 views

xhost from remote Android client?

i have Ubuntu 10.04. Is there some way to xhost into the machine from an Android client? Is this possible via Telnet or SSH?
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116 views

optirun and ssh: Using nvidia graphics when running graphical applications over ssh

I have ubuntu 12.04, kernel 3.5.0-31-generic, and Asus zenbook laptop ux51vza with hybrid graphics (it has both intel Ivybridge and nvidia 650m cards). I am using Bumblebee version 3.2.1 in order to ...
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497 views

Iptables: deny all traffic from IP except for ports 80, 22222, 22223

I've got 2 servers: ClearOS external interface 192.168.1.90 internal interface 192.168.3.1 Ubuntu Server: connected to ClearOS to IP 192.168.3.90 I need to deny all traffic from IP ...
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181 views

Cannot view User Accounts on Linux Ubuntu 12.04

I am working on a fresh install of Linux Ubuntu 12.04 and for some reason I cannot seem to access the User Accounts. Through terminal I am able to establish ssh connection to the root account and to ...
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289 views

problem with nautilus using sftp in ubuntu 13.04

I'm accesing a ssh server with Nautilus and if I leave it without activity for a while and I try ti acces again to any folder, It doesnt respond at all until I unmount it... I think nautilus doesn't ...
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537 views

Git SSH authentication

First of all I would like to know in Ubuntu 12.04 how ssh authenticates key (like which files are referred for the public key). Say for an example I have a user name gitolite I want to provide SSH ...
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95 views

How to DRP through ssh tunnel

So I have the following set up. Note : Direct DRP wont work due to port forwarding and network reasons. ClinetSystem | RemoteServer | VMinRemoteServer what I am trying to do is create an SSH tunnel ...
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2k views

SSH/ SCP connection “Network is unreachable”

I have a problem with connecting to server via ssh. Everything was OK and I was connecting to server many times but today when i try connecting to server to send file using MC the program show me ...
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157 views

'w' command not showing users list when not root ('who' does)

I have multiple users logged on my server (ubuntu 12.10), with ssh. None of them has root privileges. If I then log in with my admin account and type (without sudoing) admin1@server:~$ w the ...
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44 views

Offline remote management tool

Do you know of any tools that support the remote management of a Linux desktop, without requiring online access? I known of "online" alternatives and use them quite extensively (SSH and, for live ...
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59 views

Two RSA keys for the same computer?

Is it possible to have multiple RSA keys for the same host (ip address)? Can I just add the same ip address (host) twice with two different keys in the known_hosts file? Or is there a proper ...
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88 views

ssh -Y to Mac from Ubuntu

I'm trying to use gnuplot on a MAC server by logging from my Ubuntu 10.04. I use command ssh -Y user@server to remotely access the MAC server. When I give a command for plotting, the graph appears on ...
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141 views

XVNC, X11RDP, SSH no longer able to login

I've had my Ubuntu 12.10 Server up and running for just over 2 months now and all was working well until I started to fiddle a little. I wanted to be able to login from my Windows 7/8 computers via ...
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54 views

How to make my upgraded Ubuntu boot again (with what seems a correct Grub)?

After upgrading Ubuntu from versions 11.10 to 12.04, my server won't boot anymore. I suspected it was a Grub issue so I enabled my provider's recovery mode to log in and fix Grub. Somewhat like this: ...
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85 views

Multiple remote sites bandwidth usage monitoring tools and how to install them

I am new to Ubuntu, I just installed it and I was trying to install and run Cacti in order to monitor bandwidth usage in four of my remote sites. I tend to have issues with the configuration of # ...
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93 views

How can I preform a full disk encryption and be able to decrypt via ssh after install?

So I already installed Ubuntu on a Netbook I have, I have the system set up as a wifi router and I was planning on setting up other services as well. I did not set up disk encryption during install ...
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150 views

Unable to access SSH anymore since i've installed Samba

Everything was working just fine. Then i've installed Samba to be able to use our ubuntu server to backup data from Windows computers on our network. Now i'm not able anymore to connect thru SSH, ...
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508 views

server unexpectedly closed network connection

I am not able to connect Ubuntu Server from Windows 8 via Putty... When I tried to connect it I got this Error, "Server unexpectedly closed network connection" Please help me to solve this issue... ...
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90 views

Ubuntu freezing during generating locales

I'm trying to install airtime on vps with ubuntu (both 10 and 12) os. But when it received Generating locales Generating locales... it comes to crashed.I can connect to ssh during it hardly and ...
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88 views

Unable to execute run command in terminal; run: command not found

i tried to run the following command as user1@server1.com:- run "server_name" 'ls -lt /home/nextag/live' and it gave the following error:- -bash: run: command not found server1 is a jump server for ...
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66 views

What is the easiest way to secure a cluster of servers so they can communicate with each other?

I am working on configuring an expandable Ubuntu Cluster to host several Riak Database Nodes. These nodes need limited ports open to talk amongst each other, but only to other nodes in that private ...
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238 views

Wireless network hangs on ubuntu 12.10

I have network hangs through ssh. Htpc is an asus m45m1-m pro, with pci wlan card lspci: > 05:00.0 Ethernet controller: Atheros Communications Inc. AR2417 > Wireless Network Adapter [AR5007G ...
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111 views

ffmpeg doesn't find presets when connecting through ssh

I use ffmpeg to create videos from some png images. When I work locally on my computer everything works fine, but when I connect to it through ssh I get an error saying that ffmpeg can not find the ...
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2k views

cannot ssh to ubuntu 12 desktop

I tried to SSH to my new ubuntu 12 installation but got connection failure. I did a network trace and TCP 3-way handshake was RST by this ubuntu host. Looks like port 22 is closed. May i know what was ...
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603 views

Running Python scripts via SSH

I have two Linux machines here, one of which is running Ubuntu and the OpenSSH-Server. This machine has a simple Python file for testing which sets the wallpaper to a certain image file which is ...
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122 views

How do you allow one ssh user to only get access to a screen and the keyboard is disabled

How do I create a user that has no keyboard access, is automatically attached to another user's screen when logged in and cannot escape the screen. Example I make a new user called "user1" I set the ...
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restrict shell commands for munin-node (netcat)

I've spent fair amount of day fiddling with this, and I'm about to give up (for today). I followed instructions outlined here: http://munin-monitoring.org/wiki/Native_ssh All works at the moment. ...