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

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Create a shared folder for group of users

I have created a group of users in my Ubuntu server system, so that each one of them can log in through an ssh connection with his username and password. Each user is "locked" in their home directory, ...
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5k views

Problems using the start-dfs,sh on hadoop 2.2.0

Im using this tutorial for installing hadoop 2.2.0 http://codesfusion.blogspot.in/2013/10/setup-hadoop-2x-220-on-ubuntu.html I've completed many of the steps successfully but I'm stuck over this ...
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1answer
439 views

Can t update ssh

I have two server, the first (target) is running my website and can t be rebooted. The second is my backup server. I want backup to be able to rsync to target. I can connect to the two with putty on ...
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1answer
70 views

How is a login via an ssh private/public key associated with a given user

I've created the private/public key pair using ssh-keygen. I installed the public as described in https://help.ubuntu.com/community/SSH/OpenSSH/Keys And it works without a password, as expected - but ...
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1answer
2k views

Can curl localhost, but can't access port 80 from LAN

I can't find an answer to this question anywhere. I have ssh access set up, and can tunnel into my server. When on the server, I can curl localhost and get a response: curl localhost However, when ...
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2answers
4k views

Unable to execute command start-all.sh in Hadoop

GUYS I'm using this tutorial How to install Hadoop? I mean the one made by Luis Alvarado in one of the comments .. So I'm on Ubuntu 13.10 64bit Hadoop version is 2.2.0 Actually I'm a total newbie ...
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1answer
4k views

Cannot connect to university computer via ssh over a VPN connection to my uni. network?

I need to VPN for happen a ssh connection to my uni. server. Both computer powered by Ubuntu 13.10. I am able to establish VPN connection to the network but ssh connection does not repond and gives ...
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2answers
230 views

SSH asks password when invoke it in script

I have one master and four slave computers. I generated rsa public/private key on master PC. Then I copied publickey (id_rsa.pub) to slave machines as authorized_keys. It doesn't ask password when I ...
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0answers
30 views

how to access the executable file from server on client machine [duplicate]

I have two machines: one with Ubuntu 12.04 server and another with ubuntu 12.04 client. I am having some software installed on Ubuntu server machine. I need to use this software on client machine ...
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1answer
24 views

installing ubuntu base system in home folder as non-root

I don't have root acess to a server which is running centos. I need a minimal ubuntu chroot environment in my $HOME . (just the apt-get, repositories etc to install packages and run them in terminal. ...
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1answer
40 views

Why can I not login with one user but with another user using ssh-keys?

I don't get it: Why can I not login via ssh public-key beside the fact that I only copied the successful used private key from a user account on the client side to the root account on the client ...
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2answers
190 views

Start-up / Reboot scripts for different users

I'm still trying to learn a little more about bash scripting and start-up / reboot, I have read about crontab @reboot and also just looking at other options but I just wondered if someone could maybe ...
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2answers
105 views

How to start .sh file on PC turn on or after PC restart?

I have a .sh file in my Downloads directory. I want to start it using tmux session when computer is turn on or after computer is restarted. I am using Ubuntu 12.04.4 and when the computer is turned ...
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1answer
91 views

How to instantiate SSH session between computers in two networks?

I have the following home network: Ubuntu 12.04.4 -> Router 1 -> Router 2 -> Ubuntu 12.04.2 I am able to make SSH connections if the machines are in one local area network as follows: ...
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2answers
1k views

SSH tunneling over SSL

On one of my systems there is a firewall forbidding any outgoing unless http(s)... Some users have to ssh but they can't.I tried first to run ssh on port 443 but with no success. I googled it and ...
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1answer
45k views

Putty fatal error: Network error: connection refused (ubunty server) [closed]

I applied the below mention code to my server and after few mins i tried to re-connect to the PUTTY then its started showing me this error Putty fatal error: Network error: connection refused (ubunty ...
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2answers
145 views

OpenSSH_5.9p1 Client won't add new connection?

I'm running an Ubuntu 12.04 ssh server/client to send files to vendors we work with. Recently I tried to add a new vendor by sending them my id_rsa.pub file, but could not connect. I've been testing ...
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1answer
3k views

Can't access BeagleBone through ssh after changing network settings. Need a way to recover or correct the problem

BeagleBone is connected through Ethernet. Trying to enable wireless connectivity as well, after plugging a WiFi USB dongle. MiniHDMI port is remapped so cannot be used. The only way to access the ...
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1answer
124 views

Remote into Desktop on ubuntu through ssh

So we have SSH access to a ubuntu server, and we need to setup some programs that require visual access, but we have no clue how to do this through SSH, any help?
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1answer
580 views

nc: Proxy error: “HTTP/1.0 403 Forbidden”

I am using Ubuntu 13.10 x86_64. I am not able to ssh over proxy to remote host. When I issued: ssh -vl hackep6t 162.251.80.25 I got this output: OpenSSH_6.2p2 Ubuntu-6ubuntu0.1, OpenSSL ...
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2answers
40 views

when i am cloning in to website it shows error

git clone http://sample.com/bag name here i mentioned web address as sample.com/bag for reference. I also tried with ssh://sample.com/bag name I also tried with ssh://git@sample.com/bag name ...
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2answers
93 views

SSH log login attemtp details

I my office we are using Ubuntu Server 12.04. I have installed SSH server in it for clients to access through Putty. Now I need to track the users login details like IP address, hostname and date of ...
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1answer
292 views

Can't get SSH to work

I tried to set up an ssh connection using an RSA key but I can't get it working. My permissions are ok, I set in the sshd_configfile that it has to use a public key for authentication, I of course ...
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1answer
408 views

Ubuntu Server setup, sync folders, available offline, music etc

I am setting up a Ubuntu Server (13.10) for my home network and need some suggestions on how to go about setting up shares, offline files etc. Here is what I am trying to accomplish: Ability to have ...
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1answer
2k views

Unison vs Rsync + Mounted Remot Drive

So my situation is that I want to my development files - Ruby & PHP - available to all of my machines when I am home and away. When I asked the question before (Mount my Webserver as a drive in ...
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1answer
295 views

motd displayed twice

So here's the deal. I've created /etc/motd.tail as suggested by Ubuntu documentation which should append STATIC content to /etc/motd . However as well as this work, it displays the MOTD TWICE when I ...
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1answer
789 views

No route to host. How to SSH from guest machine in virtualbox to host machine by bridged adapter?

Sorry for the mistakes I've made. I'm trying to connect through ssh to my host machine (Ubuntu 13.10) from guest machine (Ubuntu Server 13.10) which has bridged adapter. Vice versa everything ok - I ...
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1answer
387 views

Running ubuntu server behind a router DSL-2780

I am not sure if this qualifies as an Ubuntu related question or if i need to go to a D-Link related community. I am currently following the ars technica guide on setting up a home server using an HP ...
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22 views

ssh backup host [duplicate]

I have a pc called MONKEY, when MONKEY is connected to the lan of my network it has ip address 192.168.1.101, when MONKEY is connected to the wlan of my network it has ip adress 192.168.0.107. Now in ...
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1answer
360 views

how to SSH connection between two ubuntu machines which one of them doesn't have internet?

I have a ubuntu 12.04 virtual machine which able to cennect internet and a beagleboard-xm that includes ubuntu 13.10 os without any internet connection. I want to connect with ssh into the ...
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2answers
1k views

ssh doesnot work with wifi but work fine with wired connection

I have Ubuntu 13.10. I use ssh to connect to a remote computer in the university using ssh xxxx@ws.hpc.unipg.it. It is working fine when I am using wired connection but when I try to connect through ...
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1answer
53 views

Visual Interface to a Mac server

I am trying to connect to a mac server so that I have a visual interface as if it was a virtual desktop... I think. I have the server information and access i.e I can ssh onto the server. Any ideas on ...
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1answer
746 views

Interacting with PostgreSQL on remote server through SSH tunnel?

I have User A setup on my webserver with it's public SSH key copied over to User B's ~/.ssh/authorized_keys over on my database server. The idea is to use an SSH tunnel to facilitate the communication ...
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1answer
70 views

SSH cannot find user directory and fails to login

The connection to SSH seems to work but I get an error and SSH gets closed instantly: It tells me, that it cant chdir to /home/example1 not found The problem is, that example1 isn't even a user and ...
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1answer
278 views

How do I download a file using SVN+ssh link?

I am trying to download the file from the link list svn+ssh://svn@myhost.com/myfile. I have setup private key on my PC, and public key is on the remote server.when I execute the above link command i ...
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2answers
2k views

Permission denied error while copying the files to another user directory using WINSCP?

I have a few folder in one of my ubuntu machine in the directory /export/home/ as - user1 user2 user3 Whenever any user login to that machine, it always takes him to that directory as a default. ...
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1answer
70 views

Allow bell for only one terminal

I am using mcabber via ssh, and using mcabber bell for sound of incoming message. In windows I used kitty it allows you to set audio file for terminal bell. In linux I still want to hear mcabber ...
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1answer
5k views

SSH - How to force execution of a script ( /etc/sshrc , ForceCommand, .. ? ) on login but still allow execution of the client's ~/.ssh/rc?

As far as i know upon SSH login the following files are executed [SERVER] /etc/environment [Client] ~/.ssh/environment -> can be locally overriden by "SSH_ENV" environment variable -> will ...
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1answer
287 views

Terminal freezes on running apt-get or vim

I am using Ubuntu 13.04 on my laptop. I ssh to my EC2 instance which is running Ubuntu 12.04.3 and every time I run sudo apt-get update, it prints some lines and then the terminal freezes. ...
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1answer
388 views

How to setup portforwarding

I have the following setup. Local -- server A -- server B I need to scp, ssh from Local to B. What I do now is I scp/ssh to A and then from A to B.I would like to know how to setup portforwarding, ...
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1answer
2k views

Remote Ubuntu 12.04 desktop cannot display X on local laptop

I have an Ubuntu 13.04 laptop and an Ubuntu 12.04 desktop. I want to be able to open and see images, windows, and pdf files that are located on the desktop via remote access from my laptop. When I ...
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1answer
265 views

Can't make a 2nd SSH key login

So a few months ago I setup key based login on my server so that it only accepts key based logins. No passwords ever. For my main user I have a key which I keep in my .ssh folders so I can login to ...
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1answer
2k views

Remote access a dynamic ip address on a 3g dongle?

I'm new to Ubuntu and trying to figure out if it's possible to have a remote access using ssh keys on a 3g dongle? Is there any possible way? Maybe using a 3g wireless router? How to set-up? Can I ...
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0answers
48 views

What is the default SSH password for UBuntu 12.10 [duplicate]

Honestly, it's late for me I just want to know the password. I don't want to set up keys or anything. I understand that it is more secure to have no password and just allow access from certain ...
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1answer
287 views

How to make sshd create non-existing user when using kerberos?

I am setting my sshd to use kerberos auth. Everything was fine until I actually login via ssh. I got invalid user. If I added the account to the server running sshd, then I could login using password ...
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2answers
240 views

How to login remotely using SSH

When I'm trying to login remotely using SSH, it asks something like: The authenticity of host '192.168.0.4 (192.168.0.4)' can't be established. ECDSA key fingerprint is ...
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1answer
233 views

SSH : connection refused after installin freenx

I have my server with Ubuntu-3.10-X64 with working connection and ping; then i installed FreeNX server on my server; then I restarted. After that I can't connect to my server from my laptop using ssh ...
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1answer
577 views

Can't ssh to instance

I have a linode instance, I was successfully connecting to it via ssh. But I've decided to rebuild my instance and then I can not connect to that instance via ssh. The linode works correctly because ...
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2answers
68 views

SSH- Starting an application on client instead of server

I am facing a weird problem. When I log on using ssh to my server start firefox there, ideally it should start firefox on that machine. However, it is starting firefox on my machine and not the cliet. ...
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1answer
251 views

user permissions in shared folder [duplicate]

I have a pair of users on an ssh Server. lets call them UserX & UserY. UserX has the home Dir /home/userX UserY has the home Dir /home/userX Both are members of the userX group. UserX has no ...