Secure Shell or SSH is a network protocol that allows data to be exchanged using a secure channel between two networked devices.

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Unable to SSH, cannot create /dev/null/.ssh

I am trying to deploy hadoop with a master and slave node. But the master fails to start tasttracker and datanode processes in slaves, as it is not able to ssh into slaves. The error message is 'Could ...
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10 views

Hide ssh version

I did a tcpdump when connecting to my server over ssh. First thing I see is: SSH-2.0-OpenSSH_5.3 Is it possible to make the server not send it's ssh version?
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26 views

can not load private key using ssh-add

I tried to create a ssh key by doing following command: ssh-keygen -t dsa then it prompts me to enter store path: Enter file in which to save the key (/Users/KesongXie/.ssh/id_dsa): id_dsa after ...
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14 views

How to correctly setup a SSH Key @ forge.laravel.com?

I created a server on Linode using forge.laravel. Everything seems to work fine but now I'm trying to access the server via SSH. Forge by default creates servers that do now allow SSH access via ...
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6 views

Error message while connecting to EC2 instance via Cygwin

I am trying to connect my EC2 instance using the directions my instructor provided below: "To connect to EC2 via Cygwin on Windows, you need to handle two key idiosyncrasies. First, the Windows ...
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22 views

Firefox won't let me select any kind of script as the protocol handler for an SSH link

I'm trying to run a script when I click on a SSH link in Firefox. I have tried using the protocol handlers in the application section of the Firefox settings. For some reason, I cannot select any ...
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2answers
31 views

SSH Tunneling into a remote server

Reddit is blocked by my ISP. :( I want to bypass it using SSH Tunneling. I have an (trusted) remote web server I can use (have the username and password). I have downloaded PuTTY and can ...
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1answer
9 views

Port forwarding does not work for http sites

I am connecting to office network through VPN. I have two servers A and B. I have ssh tomcat access to A through VPN but not to B. When I ssh into A, from there I can ssh into B. Also, B is running ...
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13 views

VLC: Can I stream over SSH?

Question: Can I get a local VLC instance to stream media from a remote computer, via SSH? This is with VLC running on the local computer that I'm watching the video on, not remotely via ...
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41 views

RedHat Linux - ssh shows “connection refused” using one user and also root, but another user can connect

From server Y, user A tries to ssh to server X and gets Connection Refused. From server Y, user B tries to ssh to server X and is allowed through. From server Y, root tries to ssh and gets Connection ...
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19 views

Port forwarding does not work

I am connecting to office network through VPN. I have two servers A and B. I have ssh/tomcat access to A through VPN but not to B. When I ssh into A, from there I can ssh into B. Also, B is running ...
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1answer
14 views

Include domain along with username in PuTTY

I want to save a profile in PuTTY and include my username. Usually I would enter host name as user@host. But in this case I have to also include a domain with my username, user@domain.local for ...
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23 views

ssh works on IP get “ssh_exchange_identification: Connection closed by remote host” on FQDN

I have a new raspberry pi box running at my home. I decided that I will use it to access it by ssh from the web. I setup the NAT in the Router and everything else, from my Mac Book within the internal ...
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2answers
17 views

SSH: “Permissions 0644 for 'my_key.pub' are too open.”

Why is 0644 i.e. -rw-r--r-- too open for a SSH key? Also I could not find any false permissions on the .ssh directory (0700) or the home directory (0731). Btw I'm getting this error when testing the ...
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2answers
22 views

Is there a way to have ssh offer more keys to login automatically?

I've learned at myriad sources online that (roughly), in order to login to a remote server without a password: generate an ssh key, put the pub version in authorized_keys on the remote system; put the ...
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25 views

What are the implications of a shared git clone if the source repository is remote?

So, the a git shared repository seems to be more or less perfect for keeping folders with large blobs in sync. I have something like 700 GB of pictures and videos I want to distribute across my ...
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1answer
25 views

Delayed SSH Connection, Authentication, and Commands

My home computer, a Mac running OS X 10.8.5, normally accepts SSH connections over the Internet (I have port forwarded) but is asleep right now. It sometimes may wake up for various reasons while I am ...
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1answer
16 views

PECL SSH2 Installation issue

I am running this command: sudo pecl install ssh2 It resulting the following log and exit with an error: libssh2 prefix? [autodetect] : building in /var/tmp/pear-build-rootHyRX5L/ssh2-0.12 ...
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1answer
16 views

Trying to start miner process from SSH but fails?

I've set up SSH to my Windows 7 box at home. I'm connected to my box and trying to run a batch file that will start my dogecoin miner. When it runs cudaminer, I get this output: *** CudaMiner ...
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11 views

Synology NAS resume rsync backup after connection loss

I am trying to do a backup from a synology NAS to an offsite NAS. I am using rsync through DSM5 as of now, but it doesn't give me the possibility to resume the backup if a connection loss occurs. This ...
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1answer
28 views

What should I do to make my Raspberry Pi safe for SSH?

OS: Raspbian I want to be able to access my Raspberry Pi from the internet. However, Raspbian comes shipped with a default username and password, which means anyone can access it. I have changed the ...
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32 views

Need a way to use 2 networks to access the server in parallel sharing data traffic

I have a server connected to Internet via two networks - A microwave link and an ADSL Link. The server has been assigned static IP address in both network. Both both the networks are not reliable and ...
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44 views

How does one connect to an SSH server?

I am not familiar with SSH. I am attempting to run a website, and I am used to receiving FTP-information. However, this time, I was simply told to "connect through SSH." How do I go about doing this? ...
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1answer
26 views

SSH and PWNAT for SSH Connection Between Two Separate NATs

Is it possible to use pwnat and SSH to establish a "peer-to-peer" SSH connection between two machines that are behind two separate firewalls/NATs? If this is possible, what are the steps that would ...
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25 views

Auto copy ssh key on successful ssh password login

Is it possible to auto copy my ssh key after a successful first time ssh login with password ? In other words : when I type : ssh user@host for the first time to that host and I successfully ...
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10 views

How to access computer behind router [duplicate]

In home I have a computers that are behind router. I have 3 laptops connected to the router how can I create SSH servers in one of those laptops and connect to it. Let's say that this computer address ...
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7 views

I want to stop listing all files and folder using ip in web url of amazon ec2

I create a amazon ec2 instance. Not it is accessible through ip on web. But it is display all files and folders listing to all. So, any one can access my ip and show list all files and folders. I do ...
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26 views

Bash Script Display Remote Screen Session to User

I'm kind of new to bash scripting and I'm having trouble figuring out how to accomplish this. I'm working on a script that is designed to backup and manage a java application that runs within a ...
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27 views

Working git from the command line

So I use Github for Windows (that fancy GUI app) to manage my various git-based projects, but I've noticed that on my machine I can't use the command line git to do anything with my projects. From the ...
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2answers
27 views

Unable to scp from remote to local Mac

I have gone over SU and SO posts looking for a way to get this to work, but I'm about to put up my hands and stick with a GUI. I want to scp a ZIP file from a remote server to my local machine. I can ...
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16 views

Instead of forwarding ports, is there a way to set up SSH on routers so I would have to login to my local network?

Instead of forwarding ports, is there a way to set up SSH on routers so I would have to login to my local network? I've been hacked, I think, and I'm no longer comfortable opening ports. Is there a ...
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Git does not prompt for ssh key password

I have an ssh key which is password protected. When I attempt to SSH into a remote computer (ssh user@example.com), I get a little dialog which prompts me for the password. Once I have provided the ...
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8 views

Multihop SSH connections not showing up in lastlog

We all know that adding the following to your .ssh/config file will allow seamless ssh hopping through a gateway host: Host *.internal.workdomain.com ProxyCommand ssh gateway.workdomain.com nc %h ...
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24 views

login process very slow over ssh to vagrant guest

Here's my problem, I have a 30-40 second delay after entering a username before I am prompted to enter a password, when I ssh into a vagrant guest VM. Setup is as follows: Windows 7 host, CentOS 6.5 ...
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58 views

SSH hangs when halting a remote system

I successfully used ssh -q -i pubkey root@192.168.200.122 'halt' for years now to halt a FreeBSD system (FreeNAS) from a linux box. Suddenly, from out of nothing this stopped working: ssh hangs ...
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How can i ssh to remote computer that uses vpn connection

How can i ssh to my machine when it uses vpn connection? Same problem with deluge, i cant connect. I cant ssh to my vpn external ip. I can connect on local network with local ip adress. Is there any ...
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20 views

scp to remote server permission denied [migrated]

I try to copy files to a remote server (OSXServer) using scp. I have 2 user accounts on that server with what I thought the exact same settings. Now I tried the copying files into the respective home ...
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8 views

Fail all login attempts from an IP address or IP range [duplicate]

I am noticing a large number of failed login attempts from a range of IP addresses (starting with 117.) How can I automatically fail all login attempts from this range?
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1answer
799 views

Is there a way to only allow a login to happen only at a specific time?

Every weekday, I log into my VPS (Linux) at about the same time (between 8am and 9am) using PuTTY. Is there a way to prevent or automatically fail all other login attempts at other times?
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21 views

Error while connecting to the OLT (Zhone MXK 194) through ssh

I have never had any problems with connecting to this device on port 22. Suddenly I got this error message: ssh_exchange_identification: Connection closed by remote host So I've searched the web ...
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1answer
31 views

Windows 7 and CYGWIN ssh login trouble

I have two PC's both running Windows 7 (64 bit). I installed CYGWIN (64 bit) on them today simply for the SSH functionality. (I want to use a file sync program called Unison and Unison recommends the ...
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1answer
27 views

After recover sshd_config on my VPS my TeamSpeak 3 client can't connect with server

I'm destroy my default sshd_config file in /etc/ssh/ on my VPS and I'm recover this to default one. After this I'm trying to connect with my TS3 server on this same VPS. OS says me TS is ON and ...
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2answers
19 views

No route to host: I can SSH to myself via the IP my router assigns me but not to myself via the IP my ISP assigns me

I'm positive this question has been answered somewhere else but I'm not sure what to search for. (I'm trying things like "telnet ubuntu ssh daemon unable to connect".) I can SSH into 10.0.0.9 I can ...
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17 views

Upload to SSH in XMODEM manner?

I know I can use scp command and copy any file whenever I can come with ssh client. But let see in more detail. Suppose I have ALREADY logged in with ssh client. This means that I have ALREADY ...
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25 views

Front end application that ties back to SSH server [closed]

We are in need of building an application for Windows that basically acts as a front end to the backend SSH server. Our internal clients login via ssh (PuTTY) to our server and their login shell is ...
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8 views

Use FileZilla to connect to ssh server by passing by a middle machine

To connect to my server using ssh I use FileZilla. When I'm at work I can connect to my machine directly, but when I'm at home I must connect first to another machine and then connect to my machine. ...
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1answer
23 views

Make SSH/gpg-agent not ask for passphrase for key it's not going to use

I have two SSH keys. id_rsa is my normal one with a passphrase, and id_lynx has no passphrase because I want it to be usable in a cron job (the user it logs in as is fairly restricted, don't worry ...
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23 views

Open SSH - issue logging in without password - public key

I'm having an issue where I'm unable to login by SSH - I've followed other guides and made sure permissions were set correctly, and that the publickeys on my local machine and remote machine match as ...
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13 views

Restrict access on home server

I have a RaspberryPI with Raspbian. I want to host some files on there and give access to my friends as well via FTP and SSH. I want to create a big shared folder of sorts where they can read/write, ...
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95 views

sude gedit Gtk-WARNING **: cannot open display:

I have a VPS on which I am attempting to install pure-FTPd via a root SSH account on a remote machine. I have already installed gedit and have gotten to the stage where I need to edit a config using ...