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

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ssh-agent stopped working after upgrade to 13.10 [duplicate]

my ssh is asking for my keys everytime I try to log onto my servers, this is happening after I upgraded my ubuntu from 13.04 to 13.10, before that it unlocked my keys at my session login, but now it's ...
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Why does key-based ssh fail even after setting up the authorized_keys file on the remote host?

These details don't matter but I am on a Ubuntu 12.04 machine and I want to ssh into my RaspberryPi without a password. I followed the standard procedure for setting up ssh without a password: local ...
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2answers
242 views

How to configure a SSH server to use a certain public key?

I have a dual boot Windows 7 / Ubuntu 12.04 desktop and I have installed openSSH server in both (using cygwin64 under windows). I connected from my laptop, running Ubuntu 12.04, to the Cygwin64 ...
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131 views

How can I allow ajaxterm to connect to foreign hosts?

I have installed ajaxterm from the repo and put it behind nginx. It works fine. However, it only allows to log in to the server it's running on. How do I allow users to connect to an arbitrary host ...
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1answer
549 views

Control Linux from Putty in Windows

Is it possible to control a Linux machine (EDIT: like a bash/sudo terminal line) from Putty (or other SSH/Telnet client) that's running off another machine and operating system? I have heard this ...
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1answer
58 views

Can I “bring directories with me” when I ssh into another machine?

At my university, I ssh into a ubuntu computing cluster to run software such as matlab and mathematica. I like to keep the files that I create on my own (ubuntu) machine so that (1) they are all in ...
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610 views

I'm having trouble running a python script and then continuing with my bash script

I am using tcprelay.py from usbmuxd to forward local port 2222 to remote port 22 so that I can SSH into my iPhone over USB. If I run python ~/Downloads/usbmuxd-1.0.8/python-client/tcprelay.py -t ...
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setup ssh encryption keys

Here is the situation: I have 4 Linux servers. /home is same for all the four servers. (It's a network drive). I want to setup a password-less SSH via setting up encryption keys. I created RSA key ...
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1answer
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How to increase screen resolution in Hyper-V

I am using Ubuntu 12.04 on Hyper-V in windows 8. I want to increase the resolution so that Ubuntu window can occupy my whole screen. Does anyone have any idea of how it can be done ? I found one ...
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2answers
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Sending keypresses to remote X session over SSH

So I'm sitting in our living room on an Ubuntu laptop working while also watching a TV that is controlled by an Ubuntu HTPC. I have an IR remote set up and can control everything I need to with it, ...
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809 views

ubuntu 12.04 lts secure lamp server

So ... i've been been unfortunate with my linux VPS server running 12.04.3 lts. I had a bad php script running that basically opened up for a mysql injection. And because of a stupid configuration ...
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363 views

how to copy config-files of a modem, using ssh?

I have a problem accessing the administrator password of my modem in web interface to reconfigure it. The telnet has been disabled in my modem and I can only 'log in' using ssh. Can I copy the ...
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97 views

I want to access the SSH on my college's LAN but right now I am at home so I am not connected to its network

I used to connect to my college's server via the command ssh user-profile@server-ip-address Now I returned home and am unfortunately no longer connected to the network. When I try the same command ...
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1answer
8k views

Switch Desktop Environment from Command Line

I have Ubuntu Gnome installed on a headless box. I use SSH or VNC to connect to it. I'm trying to switch to XFCE and I've got it installed, but the tutorials say to log out, and select the desktop ...
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1answer
111 views

SSH login problem under 12.04 server edition

I've got problem with ssh login after fresh installment of 12.04 server edition. Every time it promotes: Authentication Fail, and I am pretty sure my password is OK. I actually tried several ssh ...
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1answer
184 views

What can a user do without sudo?

I'm setting up a server and want a user to only have access to his own files. I do a regular adduser command: sudo adduser username And give the user a password. Then I log in to it via ssh and see ...
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2answers
485 views

Can notify-send be used to send pop-up notifications to a Windows X server over ssh?

I'd like my backup script to issue a notification once it's done. I run Ubuntu as a headless server and login into it using PuTTY on Windows. I've already installed x11-apps and verified xclock and ...
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1answer
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SSH scp between Ubuntu Server 12.04 and Windows failing - (prob syntax)

I was trying to use scp to copy files from my Windows system to my Ubuntu server, and vice versa. As you know, when defining a path in Windows, "\" must be used instead of "/", and a "C:" at start. ...
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1answer
594 views

Command not found when SSHing into Ubuntu 12.04

I have an issue when logging into my Ubuntu 12.04 machine via SSH. It lags for about 40 seconds after printing half of the MOTD. Then it says [...]: command not found and completes the login. My ...
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SSH : Write failed: Broken pipe error [duplicate]

I connect with my work PC using SSH. It was working fine until recently but now suddenly connection gets lost with error "write failed: Broken pipe " error on terminal. I saw similar question ...
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1answer
515 views

Running multiple services on one dedicated server with static IP

Since some time I am tinkering with a dedicated server running on ubuntu. The basic setup LAMP, SSH is no problem, works great. But when I install multiple applications as a service I get stuck in ...
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1answer
773 views

How to use ssh to transfer files from computer a to local computer

I am trying to get some files off of my school linux account using ssh. I have got the connection to work using: scp <school_server>: ~/folder i want ~/where i want to go. But when it goes ...
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Crash - every morning, how to resolve this crash and run it in a stable way?

Every day Ubuntu 12.04 64-bit on my Alienware X51 Dell PC crashes. The kernel I am using is 3.2.0-41-generic. I have a python application running which downloads and uploads in the official hours. ...
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1answer
2k views

Invalid User vs. User Not Allowed in ssh log

When looking at the auth.log: From a security perspective, what is the difference between "Invalid User" and "User Not allowed because not listed in "AllowUsers." Examples: Nov 6 10:42:37 ...
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3k views

Connection mystery with ssh

I've run into a problem with ssh that has me completely stumped (and our department IT guy as well): Up until a few days ago I had no problems accessing my files on our departmental server (university ...
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conected to wireless but can't access any page

I installed ubuntu 13.04 in an acer apire one notebook. I can access my wireless conection and even i can use ssh but i can't go to any page using firefox or chromium. Where is the problem?
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svn, ssh: Connection refused most of the time; other computers can connect

I am running Ubuntu 12.04.3 and svn as well as ssh (to servers) only works sometimes in a short time window after booting my computer, but most of the time I get "Connection refused". The problem only ...
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151 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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1answer
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Why is my ssh connection dropping immediately after I enter my password?

So I'm trying to get a connection between two Ubuntu computers. This is what happens when I try to connect: jordan@0.0.0.2:~$ ssh david@0.0.0.1 david@0.0.0.1's password: Welcome to Ubuntu 12.04.1 ...
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146 views

How do I get names of different outputs available on the system via ssh?

If I run xrandr from a terminal in the X session I can see the names of different outputs available on the system. For example, I get something like this: Screen 0: minimum 320 x 200, current 1440 x ...
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Run a nohup command over SSH, then disconnect

I want to execute a script, start.sh on a remote server which runs this: nohup node server.js & Naively, I call SSH like this: ssh myserver <<EOF ./start.sh & EOF This starts the ...
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Setting up Ubuntu 13.04 home server

I am currently attempting to set up a home server using Ubuntu 13.04. I am following instructions from http://linuxhomeserverguide.com/server-config/Webmin.php accurately as far as I can tell. I've ...
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How to configure apt to access a deb repository over ssh?

I have a deb repository accessible with ssh (following instructions from this site). I use the ssh-public-key-based authentication to access the repository server. How I can configure apt-get on ...
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1answer
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Keep the running processes alive when disconneting the remote connection

I have a bunch of processes on a server initiated by ssh from my own machine. It is now about three hours that my machine's Ubuntu has got hung and I do not see any other options but restart. Is there ...
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198 views

How to have a different ip on same network access a samba server

My network ip is 192.168.20.254 I had to setup another ip range 192.168.1.x as I have a few computers that tunnel through another network. I have a separate samba server 192.168.20.201 The new ip ...
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How can I access my Ubuntu phone over ssh?

Whenever I try to run apt-get install openssh-server I get the following errors: root@ubuntu-phablet:/home/hablet# apt-get install openssh-server W: Not using locking for read only lock file ...
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Cannot access a website from Ubuntu desktop,while the website is live

I has a website hosted on CentOS VPS. That website has a self signed certificate. Now,I migrated that site to another host. I generated keys for using sftp and ssh in old hosting. The problem is ...
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1answer
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How can I allow ssh connection from an IP subnet on port 10022 using iptables?

I need to set up a server with public IP for bandwidth testing, and I already have a script to drop all incoming traffic except for the ports I need. I have changed the ssh port from default (22) to ...
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Ubuntu 12.04 and openssh-server

I have a problem installing openssh server and client on Ubuntu 12.04 desktop. I want to make a home server, but I am a Windows user and I need a graphic interface. First of all, I used the command ...
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“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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How do I force SSH to only allow uses with a key to log in?

I tried following the instructions here: http://lani78.wordpress.com/2008/08/08/generate-a-ssh-key-and-disable-password-authentication-on-ubuntu-server/ to only allow users with a public key on the ...
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1answer
53 views

I don't have openssh-server, but I can ssh to localhost

openssh-server is not installed on my computer, but I can ssh to localhost or from another computer I can ssh to my computer. It means there is another ssh-server running on my computer. How can I ...
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Unable to connect to SSH on my laptop

I installed SSH server and client using the commands in Ubuntu 13.10 sudo apt-get install ssh But then I am able to connect using my client to any other ssh server on the network by ssh ...
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1answer
8k views

How to retrieve passphrase for private key?

I generated DSA key using ubuntu. Saved the public key on remote server, such that keys are required before connecting ssh. I have forgot the passphrase for that key. How can I retrieve it?
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How to copy PWD onto clipboard?

So I think many people have gone through this issue where you SSH into a machine, cd to whatever path you need to be at, and then realize you actually want to be root and not your own user. However, ...
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SSH new connection begins to hang (not reject or terminate) after a day or so on Ubuntu 13.04 server

Recently we upgraded the server from 12.04 LTS server to 13.04. All was well, including after a reboot. With all packages updated we began to see a strange issue, ssh works for a day or so (unclear ...
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SSH Functionality of Ubuntu

In Ubuntu, when I try to connect to an SSH server from the terminal, a dialog window pops up asking me to enter my SSH password. When I enter it, my password is remembered for the duration of that ...
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SSH connecting issue

So I got a VPS and I am trying to SSH into it but I keep getting this denied error Permission denied (publickey,password). Here is my config file. # Package generated configuration file # See the ...
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2answers
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How do I prevent git from requiring sudo on every git command

I created a directory /var/www to store my web apps clone in. When I initially cloned the app from github it required me to use sudo and every time I do a git pull it's requiring sudo. I'm running ...
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Is there a tool like XMing to manage X11 forwarded applications?

Sorry the title is not quite clear. With X11 forwarding, I could run application on the remote server but see it on the local client. Normally I do this by: local$ ssh -X remote_server remote$ ...