SSH (Secure SHell) is a protocol for running commands on a remote computer.

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Script SFTP with password - HP-UX

I would like create a script in HP-UX to send in sftp with password. I have this command sftp -o PasswordAuthentication= but if I answer yes or no after, I have this issue "Host key verification ...
21
votes
4answers
61k views

SSH login with clear text password as a parameter?

I need to login to a user that I've created on a remote host running Ubuntu. I can't use an ssh key because the ssh login will happen from a bash script ran within a server that I won't have access to ...
0
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1answer
16 views

Having trouble with rsnapshot via ssh (from debian laptop) of Nokia n900

I'm trying to do a backup of my Nokia N900 (a linux box smart phone) with rsnapshot. For reasons I can't understand, rsnapshot throws up the following error: rsync: Failed to exec /usr/bin/ssh -p ...
0
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1answer
1k views

CentOS 7 add new user with root privileges

I am reading this tutorial, and trying to create a new user with root privileges and then block root access via ssh in a CentOS 7 server. The problem is that the new user is blocked from doing root ...
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1answer
2k views

OpenSSH hangs after login without showing login prompt

I ran across an issue with ssh after fresh Ubuntu 13.10 installation on Lenovo T420. I tried git pull (which failed) and this led me to more general ssh failing. After spending some 2-3 hrs of ...
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2answers
61 views

How to copy file contents to the local clipboard from a file in a remote machine over ssh

To solve this problem I always have to use scp or rsync to copy the file into my local computer to open the file and simply copy the contents of the text file into my local clipboard. I was just ...
7
votes
3answers
851 views

Special character '#' in Perl SSH command

I try to send command using SSH in my perl script with # but it gets truncated right at # Example: Input text is : $message = "Product ID # STK000134" The SSH command is : $execute=`ssh -q ...
1
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1answer
686 views

SSH Agent Forwarding on server

I'm struggling with the concept of SSH Agent Forwarding. This is what I've done so far: Create default identity local (ssh-keygen) Install the public key on bitbucket Now I want to connect to a ...
2
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3answers
3k views

Why can't I run Gnome apps over remote SSH session?

Logging into a remote host using ssh -X me@host, I successfully run gnome-terminal -e "tail -F /var/log/file" &. When I log off and then try the same thing the next day, I get this: Failed to ...
15
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6answers
29k views

How to download a file through an SSH server?

I have a server in USA (Linux box B), and my home PC (Linux box A), and I need download a file from website C, The issue is, it is very slow to download a file direct from A, so I need download the ...
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4answers
16k views

Is it possible to set Gnome Terminal's title to “user@host” for whatever host I'm connected to?

I'd like to set the terminal title to user@host so I can easily tell which machine I'm connected to from the window title. Is there a way to do this from SSH or from GNOME Terminal?
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2answers
37 views

Script works without sudo, fails with sudo

When I launch this script: #!/bin/bash -v sshpass -p '<pypasswd>' scp blah.img root@myip:/home/user/blah.img exit 0 with ./script.sh or nohup ./script.sh & it works. But when I do ...
4
votes
1answer
36 views

can't run remote ssh command without heredoc

I can't get this command to work: user@server:~: ssh otherserver bash -ic 'source .profile; some-aliased-command' Variations I tried user@server:~: ssh -t otherserver bash -ic 'source .profile; ...
1
vote
1answer
147 views

Setup SSH tunnel on existing connection from script

I want to establish an SSH tunnel on an existing connection. The tricky part is doing it from a script (a custom shell I need to allow users only some specific things, like setting up this tunnel). ...
2
votes
1answer
33 views

Why does the `users` command return different users depending on whether I ssh or open a new terminal?

How does users define what users are logged in? If I ssh into a box twice, I see my username twice listed if I execute users. However, if I create a new login shell via sudo su -, I do not see root ...
2
votes
2answers
51 views

Add a user wthout password but with SSH and public key

I want to add a user to Red Hat Linux that will not use a password for logging in, but instead use a public key for ssh. This would be on the command line.
0
votes
1answer
30 views

Disable SSH tunnel “open failed” messages

I want to disable the "open failed" messages that appear in a SSH session when tunnelling is disable. It interferes with my SSH session if I'm, for example, writing something in vim, then the whole ...
0
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3answers
45 views

download file from internet to server using SSH

recently because of some problem i lost all my server file and request to hosting team to provide me backup. they will provide me link from where i have to download that compressed file and upload ...
0
votes
1answer
1k views

Double port forwarding - SSH

NOTE: I'm not explaining why I want to do this. But here is the requirement. There are 4 hosts. Host A, Host B, Host C, Host D Host A is running some application which can be accessed at port 8001 ...
1
vote
1answer
52 views

How can I make the unix `pass` program play nice with `ssh` inside the Linux Virtual Terminal?

I am trying to log into an ssh server by pulling the password directly out of the pass program without any GUI interaction. The normal workflow in the GUI (Gnome) is to do the following. Pull the ...
5
votes
3answers
2k views

SSH access from inside and outside a LAN using the same terminal command

I have a Raspberry Pi (RPi) and I am making remote connections to it using ssh. I have managed to set up ssh correctly such that I can access the RPi both from a local area network and from the ...
1
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1answer
42 views

echo $? prints 1 after running ssh-add

I am trying to use SSH Agent Forwarding to configure a deploy script on CentOS. I have a public key copied into the authorized_keys file in ~/.ssh of my deploy user on machine server. I am ...
2
votes
1answer
93 views

Why VMware DHCP persists getting offline?

I am trying to set up a SSH server in my remote machine which is running Windows 7 on it currently. So first I set up a Oracle VirtualBox but it did not work for me properly. Then I decided to go with ...
0
votes
2answers
38 views

How (and whether) to copy and paste on an ssh web interface?

A web page provides web-based ssh access to a linux machine. I'm using it one a Windows7 machine. While editing a file in vi, I want to repeadetly enter the following: j0nhd0 This (1) goes to the ...
2
votes
1answer
1k views

Chroot gone wrong, can't ssh with user

Distribution: Scientific Linux 6.5 (Carbon), not exactly your typical brand of linux. Tried to chroot a user using these instructions for SSH and quite obviously failed, and now I can't even log in ...
3
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1answer
2k views

SSH agent forwarding, multiple hop

I tested this setup with Linux origin machine - everything is the same - only the first hop can use keys from origin machine. Initial problem I'm trying to set up SSH agent forwarding with multiple ...
-1
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1answer
51 views

SSH console login working but can't SFTP does not, why?

I am trying to SFTP with Filezilla but it is not able to connect to the server and I think this is due to my firewall rules? I can SSH absolutely fine. The port for SSH is 6128. Can anyone tell me ...
2
votes
1answer
70 views

How to safely transmit a password over SSH for a remote command to use

On the local server, I have a program that stores the password in the predefined environment variable (SPECIAL_PASSWORD). On the remote server I have a program that reads and uses a password from a ...
3
votes
2answers
79 views

Toolbar icons unable to load when running Emacs through xhost from FreeBSD to Ubuntu

I'm connected to a FreeBSD Computer using ssh [ip] -X, and emacs launches just fine, but this happens and all the icons are little pieces of paper with red X's: > emacs (emacs:22812): ...
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0answers
27 views

Error “Can't assign requested address” when ssh-ing to remote server

On ubuntu 14.04 I have installed openssh, changed the ssh port. I can login within LAN with no problems, but I cannot access it from outside. I also have: allowed it though firewall and set up port ...
5
votes
3answers
185 views

How to display commands in a different terminal?

I have a raspberry pi with a screen attached to it. It boots up to a login prompt. I have no keyboard and no mouse attached to it and would like to keep it this way. I proceed to login to it via ssh ...
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5answers
255 views

Can't do an SCP pull despite SSH working fine

I have setup key authentication between two servers and I can ssh in without a key, for example: ssh backup@hostname this works fine and logs me in. But when I try an SCP to pull a file, I get no ...
53
votes
6answers
73k views

ssh-add complains: Could not open a connection to your authentication agent

I've been trying to get ssh-add working on a RaspberryPi running Raspbian. I can start ssh-agent, when I do it gives the following output into the terminal: ...
1
vote
1answer
92 views

Determine the target of an SSH connection at runtime

I want to determine the target address of an SSH connection with a function call that generate the address to connect to. All of the examples using ProxyCommand that I can find online use the -W flag ...
2
votes
2answers
63 views

Reverse X11 Forwarding without SSH on server

I want to run an X11 program on the SERVER and display the window on the CLIENT. I have a shell on the server to start with. (This is not an SSH shell, but some cluster computing software) The ...
28
votes
7answers
12k views

Can I find out which ssh key was used to access an account?

Is it possible to find out which ssh key was used to access an account? I have an account on a server that I let several (trusted!) people have access to via ssh. I'd find it useful to be able to ...
1
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1answer
28 views

How to ensure ssh via cgroups on centos?

When some cpu-intensive processes are running on the server, chances are that we could not log in to this machine with error 'operation timeout' via ssh command. According to this post answered by ...
2
votes
1answer
50 views

Detect remote sshfs mounts on local machine

I would like to get back the question of this post. When a user in a remote client mounts a directory from a local server on his filesystem through sshfs, he is not visible in the server through who ...
3
votes
2answers
79 views

-X flag (X11 Forwarding) does not appear to work in Windows

I am using Open SSH (OpenSSH_6.6.1p1, OpenSSL 1.0.1i 6 Aug 2014) in Windows 8.1. X11 Forwarding does not appear to be working. The DISPLAY environment variable does not appear to be set. For ...
2
votes
3answers
44 views

Pasting some text with tabs into a here-document in a PuTTY window

I have a string with tab delimited data that looks like: h1 h2 a1 b1 a2 b2 I produced it with Notepad on Windows. I created tab delimited data, ensuring that tabs and not spaces are used. I ...
12
votes
3answers
24k views

How to ensure SSH port is only open to a specific IP address?

This is my /etc/sysconfig/iptables: It has two ports open 80 apache and 22 for ssh. # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. ...
0
votes
1answer
25 views

bash script failing to use ssh -i. Can't see directory

I am experiencing something strange. I am working on a script to remote install Splunk on servers via a script. In this script I ssh to my practice servers (5 amazon EC2 instances running Redhat). ...
0
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0answers
33 views

X11 connection rejected because of wrong authentication for one display number

As stated in the title, I am having this error when I have ssh into a remote server with a certain display number assigned. There is not X11 forwarding problem since I can use GUI application as usual ...
0
votes
1answer
32 views

How to change password of an ssh identity file

Can I, and in that case how can I, change the password of an SSH identity file without having to generate a new key and setting up it all over again?
8
votes
3answers
39k views

Shell Script for logging into a ssh server

I tried writing a shell script which can do automatic login into a ssh server using password which is mentioned in the script. I have written the following code: set timeout 30 /usr/bin/ssh -p 8484 ...
0
votes
1answer
49 views

Disable scp for all IP, but allow it for given ones

There is a server running sshd. We have root permission on it. Question: How can we disable SCP on it, BUT: allow a given IP to SCP (copy to it, etc.) Maybe rename the SCP binary and have a "Match ...
40
votes
4answers
7k views

Why is root login via SSH so bad that everyone advises to disable it?

Everybody on the Internet advises to disable root login via SSH as it is a bad practice and a security hole in the system, but nobody explains why it is so. What is so dangerous in enabling root ...
0
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3answers
48 views

Running remote script via ssh command

I have a script on remote Debian server machine and I want to run a command by invoking: ssh server "find.sh" My find.sh script is in in: /home/user/bin First of all, I ran ssh server "echo ...
7
votes
2answers
309 views

SSH key authentication with multiple computers

I was reading about SSH key authentication and setting it up with my 3 computers at home. I have one main computer, call it "A", and two others, call them "B" and "C". Now based on the documentation ...
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2answers
27 views

How can I automatically stop putty disconnecting

Unless I set "Seconds between keepalives (0 to turn off)" to 2 putty keeps disconnecting after a few minutes of inactivity. How can I fix this once and for all? I can't find where putty settings are ...