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

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defunct dbus-daemon zombie freezes ssh login for 30 seconds [duplicate]

I'm running Ubuntu 12.04.2 LTS (Precise Pangolin) and noticed a 30 second delay whenever i log into my server via ssh or perform any kind of login via sudo on that machine. I can provoke immediate ...
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Connection to SSH server times out [duplicate]

I have ssh configured for my system. It was working perfectly but now I'm able to ssh or sc to other systems but other systems are not able to ssh or scp to my system it shows connection timed out ...
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SSH error: Permission denied, please try again

I am new to ubuntu. Hence please forgive me if the question is too simple. I have a ubuntu server setup using amazon ec2 instance. I need to connect my desktop (which is also a ubuntu machine) to the ...
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203 views

Ubuntu Server 11.04 update 404 errors

I am an ubuntu amateur trying to set up an ubuntu 11.04 server on a tower. I want to install things like ssh client/ server and gksudo on it but I get errors when trying to do so. I tried to update, ...
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I deleted all files and folders (including hidden) from /home/username/ now in big trouble

I am logged into a remote ubuntu server, and I accidentally erased the entire /home/username/ directory for the current user. The only thing left is a hidden directory called .gvfs. I don't need ...
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696 views

Cannot login to server after file permissions change!

I am using Ubuntu server. I ran: chmod -R 700 / when I was logged in as root. Now when I try to login as my normal user I immediately get kicked out. Is there anyway to log back in to the server ...
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251 views

Delay on ssh authentication

I've just installed 12.04.2 server amd64 in VMWare Player and noticed that there is a 3-5 seconds delay after I put the password and before the shell appears. The same happens when I try to connect ...
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945 views

tunneling x11vnc through ssh on a non standard port to ubuntu computer tightvnc

I have been stuck with setting up my virtual desktop on my ubuntu laptop. I am running ubuntu to ubuntu with x11vnc I start the process on my laptop as follows: " ssh -L5904:localhost:5900 -p Port ...
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Copy files from remote Ubuntu to local Mac

I've searched all around and can't seem to find this... I'm trying to copy a private key to my local machine which is a Mac. When I fire up terminal on my mac, I get Jamies-iMac:~ jamie$ So after ...
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How to administer, manage & update 40 to 50 Kubuntu laptops?

I have a custom developed application presently running on about 40 Kubuntu laptops (& more planned). Every few months I have to update the application. I also have to run Ubuntu updates and a few ...
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How to stop killing browser by terminal

I am using Ubuntu. my friend is killing my browser from his ubuntu machine using terminal. He knows my password. Do let me know any way to stop this killing process. I know that changing the password ...
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How to start GUI application on a remote Ubuntu box via SSH

I can log into the remote Ubuntu (Kubuntu 12.04) machine. Using the info from (How to start a a GUI software on a remote Linux PC via SSH) I tried the following after logging in: user@Kub:~$ export ...
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SSH Permission denied (publickey)

I have tried searching previous questions for answers to my question but all of the answers that have been suggested previously haven't worked for me. I am trying to connect to a linode (running ...
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How do I SSH to machine A via B in one command?

I want to access a computer, say machine A which is based in my university's network. However, this computer is only accessible via the internal network of the university, so I can not use SSH to this ...
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1answer
453 views

SSH password problem

i have connected 2 machines via Ethernet cable, 192.168.1.2(master) & 192.168.1.3(slave). I can ssh both and even ping command also works fine. Trouble is while running Hadoop & Nutch i have ...
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Port forward in terminal only

I have an old Ubuntu server (13.04), and want to open a port for this online game server style software for a mate. I need a port open, and to tell it that port (I know how to tell the game that port)....
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Change terminal colour based on SSH session

Is it possible to automatically change the color of the terminal based on which server I am connected to through SSH? For instance, when I fire up the terminal it has the standard colors defined ...
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1answer
620 views

Stopping forwarding a dynamic port mid session

When connecting to a server, I can open a port forward midway though by Enter ~C -D 8080 When it comes to closing that forward though im a bit lost The docs say It also allows the ...
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Terminal app on Ubuntu Touch nexus 4

I want to install the Terminal app on Ubuntu touch. When I ssh to the nexus4 device and run sudo apt-get install terminal I get this error. sudo: no tty present and no askpass program specified
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Any way to back up a remote host with rsync without opening up for root access on either end?

I'm setting up a VPS that'll host a couple of sites, and I'd like to back up everything to another host which has a nice massive ZFS, allowing me to snapshot frequently. With the knowledge I have ATM,...
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How do I open a new terminal window to ssh into a new computer and execute commands?

Basically, I have a computer that I have to ssh into and pull up about 8 terminals to monitor various threads and log files. I would like to have a script from my build machine that can do this all ...
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5k views

Connect to MySQL DB tunneling with SSH using Emma

I have tried using the mysql-workbench but it was too confusing, then I decided to use emma instead. I am trying to connect to my MySQL DB through SSH, but I don't see that option when I try to make a ...
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642 views

How to set up SSHD to allow login using public key authentication?

I've been trying to set my vps to use SSH keys for login instead of password. I've been reading tutorial after tutorial on how to set this up but I just can't set it up right. So what I have done so ...
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Run script at boot/startup in Ubuntu 12.04 x64 Server

I am trying to start the RoR application named fedena. What I generally do is SSH login as rootand hit these commands root@cloud:~# cd fedena root@cloud:~/fedena# script/server => Booting WEBrick ...
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rsa ssh public key fails ubuntu 12.04 desktop edition, works when logged into GUI

I first say, thanks for your time, this may be a known issue but I couldn't find it the answer. How to replicate: copy your public SSH RSA key to ~/.ssh/authorized_keys reboot ubuntu 12.04 desktop ...
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How do I launch a web browser on my local machine that visits websites through the ip of a remote machine?

So, I want to visit a website that only permits access to computers from certain ip domains. My ip is not from one of the allowed domains, but I've ssh'd into a (linux) machine at another location ...
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How do I activate PulseAudio when only being logged in via ssh?

I am using a console-based music player, called cmus. It is in the repositories. If I ssh into my desktop computer from, say, a laptop and start cmus, I would like to be able to play music. But, if I'...
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Is it possible for 2 users to work at the same time, one is connected remotely? And how to set it up?

I am running Xubuntu on my main PC at home. Is it possible for 2 users to work simultaneously on one computer, while one is physically in front of the computer, and another one is connected remotely ...
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Cant SSH localhost

I can't SSH localhost. I have installed OpenSSH server as well on my Ubuntu 12.04 LTS (32 bit). connected to net (ip : 192.168.1.2) installed hadoop, running hadoop for local machine. Here's what I ...
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SSH ids are forgotten on logout

I'm having trouble setting up SSH public key authentication. I want to use this to backup my server to a backup server with SSH. I will do this automatically with a cronjob, so I can't type in the ...
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4answers
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SSH public key authentication doesn't work

I'm having trouble setting up public key authentication for an SSH server on Ubuntu Server 12.04 (A) for authentication from an Ubuntu Server 13.04 (B). What I'm doing now (I'm trying to follow the ...
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ssh-agent not accessible within a schroot

I'm using an schroot to do some builds of deployment packages, and there's a lot of to and fro between the host and the schroot environments. Within the schroot the ssh-agent doesn't seem to be ...
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182 views

How worried should I be about port 22?

I am learning Hadoop and I need to ssh onto localhost in order to set up a pseudo distributed system. I read on another forum: http://www.linuxquestions.org/questions/linux-desktop-74/ssh-connect-to-...
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Trying to do ssh authentication with key files: server refused our key

I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server. I downloaded puttygen.exe ...
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SSH shell prompt does not show user@host for one user

I have Ubuntu 12.04 server running. I created user1 when I installed, and created user2 today with '1useradd' and I added it to all the same groups as user1. But when I log in remotely using SSH, ...
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What does the script /dev/null do?

I was sued into another user to run screen, but I got the error Cannot open your terminal '/dev/pts/4' - please check. I found a solution: script /dev/null and after that I can use screen. Why does ...
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Ubuntu 12.04 - I can ssh into the server but sshd is an unrecognized service

I'm trying to setup key based authentication for ssh on my Ubuntu 12.04 server following this tutorial and that. It's not really working but I have another problem slowing me down, which is that I ...
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What's the best way to SSH to machines on the local network?

I have 2 computers, one that I use and one for the kids. I want to be able to ssh into their computer to control it (like to shut it down etc) but am curious the best way to do this. We both are in ...
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SSH connection to AWS EC2 servers terminate often

I am using ubuntu os as i am trying to cloud machine. SSH connection to AWS EC2 servers terminate often, what configuration needs to be modified so that we could minimize the remote shell from being ...
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Command line web browser using SSH, is there any way i can use

I am connected using SSH to a Ubuntu Box which is behind firewall and routers. From that Ubuntu box i need to open a router web page and login to the router for doing some changes. How can i from ...
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1k views

ssh tunnel in and connect to local machine

Have a server setup and I can ssh in with putty via port forward and open a gui page, and webmin and command line. Once I have logged in, I want to be able to access other ip addresses via web page ...
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Using PKCS#8 encrypted private keys w/ ssh-agent

I'm setting up a new Ubuntu system (12.04.2 LTS) for Rails development and wanted to use an encrypted SSH private key as per this article. I can set up a standard ssh keypair using the instructions ...
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X11 forwarding via “ssh -X username@hostname” is slow, but fast using “nxclient”

As mentioned, when I do X11 forwarding using basic ssh -X username@hostname it's quite sluggish. But interestingly, when I use nxclient, it's significantly faster. I'd rather use ssh instead of ...
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1answer
2k views

Login to webmin with user has no password (SSH)

I have an simple Ubuntu 12.04 instance running on AWS EC2 I have webmin installed and accessable, but am presented with a login requiring username and password. As part of the AWS install, you don't ...
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3answers
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Script for remove files using SSH

I have a script that uses scp to backup some files of my PC into another PC connected in LAN, something like that: #!/bin/bash scp some_directories host@ip-address:backupFolder/ I use a public Key ...
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How to set up remote desktop sharing through SSH?

Is there a way to view (and control) a remote desktop through SSH? I will not have physical access to the remote host machine.
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1k views

SSH Key / Password Issue

I am running Ubuntu 12.04LTS. I am trying to upload to github via SSH. I generated my key using keygen, and made sure that github has the key as specified. However, when I try to ssh in I keep ...
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1k views

Teamviewer will not connect to Ubuntu 13.04 host

Teamviewer on the Windows 7 machine gets stuck with the "Connecting..." message when trying to connect to my Ubuntu host. I have correctly (to my knowledge) set the --passwd and gotten the daemon ...
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798 views

How to make my computer accessible over the internet through a machine that does have a public IP address

I want to connect my laptop and another machine together using synergy. They are both on different networks, but I have successfully made a connection from my laptop to the desktop using an SSH ...
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Is there any way to share a pts/x?

What I mean is, user A connect via ssh to the box (ubuntu 12.04). Then ssh to another box (Linux/Solaris/etc) and work. User B connects to ubuntu box and can see what user A is doing. I know for ...