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

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PROBLEM :: Enable SSH for hadoop with new key

I followed michael noll's tutorial for installing hadoop, I created hadoop user as 'hduser' and generated key, but I am stuck in here, when i try to enable ssh access with generated key by using, ...
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2answers
880 views

How to undo an ssh-copy-id?

I have a 2 node hadoop cluster. I ran this command on the master: $ssh-copy-id -i /home/hadoop/.ssh/id_rsa.pub hadoop@192.168.1.1 How can I undo this? I would actually like to reassign the key. ...
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3answers
9k views

Paswordless Rsync Over SSH Without Key Authentication [Un-Safe]

I want to set up an RSync job that would connect through SSH. I have my computer ( backup@myhost ) and the remote host ( test@remhost ) and I need to backup the folder ~/something with all it's ...
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4answers
36k views

How to disable strict host key checking in ssh?

I would like to disable strict host key checking in ssh for ubuntu 11.04. How to do it?
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8 views

Running app from the SDK to a nexus 4 phone produces ssh_exchange_identification: Connection closed by remote host error

I have before successfully run apps on this device from the SDK. Now the SDK is giving me an error: [10:27:08] Started /usr/share/qtcreator/ubuntu/scripts/qtc_device_run_app [10:27:09] ...
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2answers
565 views

setup Gitlab CI

I have setup Gitlab in ubuntu server, it's working fine. I access Gitlab by url http://123.456.789.100 and Gitlab login details username:admin@local.host password:123456 Then I wanted to set ...
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2answers
24 views

Attempting to setup Ubuntu 12.04 SSH Server: -bash: /etc/hostname: Permission denied

Attempting to setup an SSH-server running Ubuntu 12.04. Went to "HowToForge" to scout for potentially advanced or knowledgeable advice upon how to accomplish this, then I ended up running into a ...
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3answers
2k views

How to generate a private-public key using ssh-keygen and make it authorized?

I want to generate a public-private key on Sever 1 and store it in a location which is not the default location. Thereafter, save the public key on Server 2; once again NOT at the default location. ...
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1answer
19 views

How to get SSH Login Address on Linux Terminal while working on many tabs

This will be very helpfull while working on multiple SSH session at a time
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2answers
689 views

How to change the default user name from ubuntu to something else on EC2 AMI

How can I create a new Ubuntu AMI so that when a new instance is created the SSH credentials are copied under a different user than ubuntu (e.g. /home/administrator/.ssh/)? In short, I need to be ...
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1answer
34 views

SSH Permission denied (public key), but root ssh works

I'm trying to setup ssh access for a user account that I created with chef on a digital ocean ubuntu 12.04 server. I had the options set in digital ocean to automatically copy my mac's ssh key when ...
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2answers
29 views

Unable to connect via SSH: port 22 error

I have two machines connected via the Ethernet cable. One machine is running Mac OS X , the other Ubuntu (13.10). I am currently able to connect to the Mac via SSH. However when I try login in on the ...
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1answer
67 views

Remote ACCESS - SSH listening port filtered out by Firewall?

I am trying to access a remote server, with no physical access. I have accidentally changed the previous listening port in SSH and forgot to change it in the firewall rules. In firewall 15000 is ...
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1answer
697 views

SSH between 2 PCs

I've successfully managed to setup SSH server individually on 2 PCs(master and slave setup). I can login from the slave to the master but the vice versa isn't happening. From he individual PCs I can ...
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2answers
130 views

Leave Ubuntu server to compute in background [duplicate]

I have access to a server running Ubuntu 12.04 LTS. I connect to it using XManager or PuTTY. But as soon as I close my client, I will be logged from the server. So is there a way how I could shut down ...
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45 views
+50

Can't copy files from mac osx via afp due to locked volumes

I am trying to copy some files from my laptop (OSX) to a file share on my ubuntu server. I have connected to the server in finder and I am able to copy from it and execute, delete files on the share. ...
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1answer
146 views

Does KuaiPan Cloud Service provide encryption and how does it manage privacy?

Looking for an alternative to UbuntuOne, I found that the official Chinese distro, Ubuntu Kylin, has announced a cloud service from Kingsoft KuaiPan, with its own "customed app". This sync client is ...
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18 views

SSH keys: How to start from scratch without reinstalling anything

I already have SSH functioning well with my server, to achieve this I have made edits to sshd_config and imported keys to my server. I am now planning to rejig my security, and would like to ...
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4answers
10k views

What's the risk of upgrading over SSH?

When I run sudo do-release-upgrade over ssh, I get the following message. This session appears to be running under ssh. It is not recommended to perform a upgrade over ssh currently because in ...
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0answers
19 views

unable to connect local server with ssh?

i'm using ubuntu 13.04 64-bit. when i'm trying to connect with the local server it gives me following message and asking paasword even though it is configured with server. ...
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0answers
9 views

Is there a way so show mounted servers in the Unity launcher

I connect to several servers, which when mounted show up under network in Nautilus, however they don't show up in the Unity launcher. Is there a way to make them show up there just like the normal ...
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2answers
24k views

Remote x-server with ssh -X

I am trying to start a remote gnome session using: ssh -X username@192.168.1.107 gnome-session Both client and server are Ubuntu version 12.04 I get the following (and not a lot happens)... ...
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32 views

SSH Write Failed: Broken Pipe [migrated]

I used to be able to connect via ssh (terminal) with the user I have created but now I keep getting: "Write Failed: Broken Pipe" and I can only connect as root In the ssh auth.log I get the following: ...
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1answer
3k views

remote SSH root login with Ubuntu 12.04

I'm pretty much a novice with Ubuntu, exploring. I have a VPS server. I was able to set-up two PPTP VPNs with Ubuntu 11.04 but now I'd like to try my hand at a IPSEC/L2TP connection. However, login ...
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8answers
21k views

Server keeps asking for password after I've copied my SSH Public Key to authorized_keys

I have an Ubuntu Server, running in a Cloud. I created a user (git). In the folder /home/git, I have created the .ssh/ dir, and the authorized_keys file. But, when I put my SSH Public Key in the ...
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34 views

SSH to Private to My Mac (host only) network?

I have been trying to get an install of Ubuntu 12.04 running on my Mac and have attempted it via VirtualBox and VMWare Fusion 6. The problem is I need to be able to ssh to the Ubuntu 12.04 from OS X ...
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14 views

Cannot scp/rsync into live cd [duplicate]

I'm trying to scp into a box running 12.04 32bit livecd. The machines are connected to same switch & can ping each other just fine. I use the usual args, eg- scp -rp ...
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3answers
2k views

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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31 views

Cannot ssh my server after reboot

I have a linux server at my mom's house that I access through ssh from my house. It has been working fine until I rebooted it tonight; I actually rebooted it twice and it went fine and after the ...
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3answers
7k views

How do I set up an email alert when a ssh login is successful?

Does anyone have a bash script that will email or notify someone in the case of a successful login to a ssh server? I want to be notified if anyone logs into my personal box. I'm using Ubuntu 12.04 ...
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1answer
86 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
35 views

How do I save an SSH key passphrase for an unattended process?

I've created passphrase protected RSA key. The public key is installed on remote server in authorized_keys in the user's .ssh directory. From requesting server, I can SSH into the remote server ...
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16 views

Git pull command is not working [closed]

I work on linux server , i have to deploy live projects on ssh server , but suddenly git pull command is not working please help me .
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0answers
16 views

How to change operating system to Ubuntu on a VPS?

Apparently Zimbra is supported and recommended for Ubuntu 12.04. Unfortunately my OS of choice, Debian is not officially supported. So in order to upgrade and hence patch the much needed security ...
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1answer
57 views

Tens of thousands of failed/denied SSH login attempts [closed]

Recently a few friends and I came up with an idea for an app. To facilitate the creation of it, we set up LAMP on an Ubuntu Server 12.04. This box is running from my home. We've set up 3 user ...
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0answers
20 views

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. ...
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1answer
41 views

sudo: ruby: command not found after ssh

I'm working with ec2 instances and was trying to execute a ruby script on another instance after ssh to that instance. I have a ruby script which updates configuration files, so i need to run that ...
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1answer
25 views

ssh -L (error: bind: Address already in use)

Pretty simple, I know that this has happened to me before. Couldn't find a good answer on AU. I was running an ssh session with ports bound: ssh -L 3000:<server_name>:22 I just lost my ...
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0answers
33 views

SSH connection refusal, unable to ping [closed]

I am using the Xilinx Zynq 7000, on the TE0720-1 which is mounted on the TE0701-03 carrier board. With a serial connection, I have been able to connect to the device's terminal and give it commands. ...
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1answer
25 views

unable to add new netowrk location

so, i'm new to Linux, and Ubuntu as well... i have been freed recently... I am enjoying Ubuntu so much... until the day i wanted to sync my iphone. I tried with Rhythmbox and amarok, Didn't work. So ...
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0answers
72 views

How to Mine w/ 5+ Graphics Cards on Gigabyte 990FXA UD5 (Ubuntu 13.10) [duplicate]

What is the specific process by which to properly set up 5 or more graphics cards for litecoin mining on the Gigabyte 990FXA UD5 or other motherboards running Ubuntu 13.10?
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2answers
180 views

ssh server does not start on lubuntu live image

I installed the lubuntu 13.10 32bit iso image with usb-creator-gtk on a USB stick and assigned 2GB of persistent storage to it. That's for a thin client, which does not have any storage of itself at ...
3
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1answer
44 views

Why do I've two entries per server in known_hosts file?

On my mac I've 1 entry per server in the ~/.ssh/known_hosts file, in Ubuntu I noticed there are two created per server. Why is that? Format is: |1|wwwwwwwwwwwwwww=|wwwwwwwwww= ecdsa-sha2-nistp256 ...
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1answer
35 views

Unsupported Locale setting

Whenever I log in to my Ubuntu 12.10 server via SSH, I see: https://bugs.launchpad.net/command-not-found/+filebug Please include the following information with the report: command-not-found version: ...
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0answers
34 views

bootstrap juju on maas

I have this little MAAS with only one node ready to deploy (ubuntu 12.04 Precise pangolin)... I was trying to set up the Juju enviroment but i continously get this error $ juju bootstrap Bootstrap ...
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1answer
25 views

Copy folders (not one file) using SSH ubuntu? [duplicate]

I am trying to copy a folder to remote Ubuntu server using command line ssh connection, i understand it's doable to transfer a file using scp but i have many files in a folder iam trying to copy to ...
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0answers
14 views

Changes in remote dropbox files via ssh does not actualize local files

I have an officePC (ubuntu 12.04 LTS) which I access from homePC (ubuntu 12.04 LTS) through ssh and I change some remote files in a dropbox folder, but the local dropbox folder doesnt mirror the ...
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1answer
25 views

SSH copy ID failed

Where should be an error? Local PC is Ubuntu. command: ssh-copy-id user@example.com result: /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are ...
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0answers
24 views

Cannot ssh after upgrading to 12.04

I upgraded through ssh a system from 10.04 to 12.04. After the necessary restart I cannot ssh to the system (permission denied). Nothing went wrong during the upgrade process and I don't have physical ...
0
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1answer
41 views

how to leave a process running in backgroun on a terminal [duplicate]

I am running some simulation through a server. I usually login in the server using ssh command from the shell of my laptop. then I run emacs in terminal mode and with it I start some python ...