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

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Saving from arecord on a raspberry pi across a network to a mac

I've currently got a usb mic plugged into a Raspberry Pi B+ and am using the following code to record data: arecord --buffer-time=5000000 -D plughw:1,0 -f cd -t raw | lame -r - stream.mp3 I then ...
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184 views

ssh connection to gitlab.com fails behind home router, but is fine when at workplace. However, Github and Bitbucket over ssh are fine at home

I am trying to connect to my repository on gitlab.com. It used to work on my laptop both when I was at home and when I was at work. I was using ssh and had added the ssh keys to gitlab. Suddenly ...
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1answer
462 views

How to open the SSH port 22? [closed]

I have installed the ssh utility on an embedded system but I can't connect to it. I am able to ssh from the device to another computer on the network but not the other way around. The only port ...
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1answer
90 views

SSH to a virtual machine

I recently installed a Linux (Mint 17) virtual Machine on a Windows 7 PC. In order to be able to SSH to this virtual machine, I had to define a few rules and redirect ports as explained in other posts ...
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1answer
74 views

Running a “scheduled”/delayed script as sudo on server, via ssh - and right before ssh exit

This would have probably been answered by Keep running a script via ssh, if I didn't have to run a command as superuser. Let me try with an example: say on my server, I have this script as ...
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1answer
100 views

SCP from remote to local does not work

I can scp just fine from local to remote by doing: scp trip3.csv pi@192.168.2.11:/home/pi/ But when I try to do remote to local (below) it says no such file or directory: scp ...
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28 views

How to create user with only SSH permissions [duplicate]

I need to create a user which can SSH to a server, but can not run any commands or view anything, for the purposes of tunneling the connection without risk of revealing credentials. How do I do this? ...
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46 views

UnixWare 7 fails to pass variable to Linux

I'm new to Bash and I have a problem that find difficult to solve, may be easy for some. I have a really old SCO UnixWare 7 system with no SSH only RSH available. SCO doesn't exist anymore , I ...
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122 views

Sporadic connection errors ssh_exchange_identification: Connection closed by remote host

Most of the time ssh user@mydomain.com works fine, but sometimes I get this error message: ssh_exchange_identification: Connection closed by remote host Is there a log with all these errors in ...
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190 views

Not able to connect to my Ubuntu SSH Server even after port forwarding on router

I am using a Ubuntu Laptop on a WiFi router. I have installed SSH server on it so that I can access it from my office network. I have forwarded port 7000 from my router settings. Now, when I try to ...
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61 views

Hop scp and sshfs using ssh tunnels

Here's what I have: A desktop and a laptop both behind a firewall, both of which can connect to an ssh capable server. Here's what I can do: Create a tunnel from server to desktop by running this ...
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61 views

I am accessing remote machine in linux using Bash scripting

I am accessing a remote machine using the ssh command and a pem file. My code is as follows: #!/bin/bash ssh -i rijo.pem ubuntu@90.45.74.51 <<EOF sudo -s var=`cat ...
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27 views

Directory .ssh problem [closed]

I have been trying to Create a Directory .ssh in /home/user/.ssh and I keep getting error file directory already exist. I have not created .ssh directory. I have been using mkdir /home/user/.ssh How ...
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1answer
158 views

Create A Script That Responds To A Password Prompt

I'm writing a shell script that will respond to a prompt. For example, when I execute a file, the executed file will then prompt the user with this: Please enter the password: Then I want the script ...
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2answers
83 views

Using something like scp but when I've logged in already [duplicate]

I want to copy a file via ssh when I've logged in. What scp does is that it copies the files by login, password, path. What I want is to be able to do the same thing when I'm "inside", ideally without ...
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1answer
522 views

“Shell connection” item disappeared from Midnight Commander menu

I have performed an upgrade of my distro (openSUSE 13.1 -> 13.2) and now no long see menu item in Midnight Commander that allows me to perform operations with remote files via SSH. Coressponding menu ...
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3answers
159 views

How to ssh and execute a remote script within a local shell script?

I have a shell script which will kick off a series of jobs on a remote server. I can ssh into this server (but it does require a password!) and run the scripts manually, but there are certain steps ...
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3answers
70 views

Open tunnel only during local command run [duplicate]

I have a script that needs a tunnel to a remote server. Something like this: ssh -fNL 8080:localhost:80 my_server How can I close the tunnel after my local script ends? The above example is just ...
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51 views

Loop in script on remote server doesn't work

#!bin/bash client=`cat temp.txt` ssh node2@192.168.1.190 'while read line; do mkdir -p /tmp/$line ; done <<< "$client"' cat temp.txt has 2 lines: nk124 nk124 Above is my script, it does ...
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2answers
53 views

One SSH session one script multiple terminals no X [closed]

I have read other posts asking the same question in the answer was, run your script and have it like this: #!/bin/bash xterm -e command The problem is that I don't have X installed on that server, ...
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2answers
638 views

How to transfer file from windows to Unix Machine

I am working in Windows machine I have connected to Unix Machine using Putty, I want to transfer file from my local Windows Machine to Connected Unix Machine, Please suggest what is the command,
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82 views

Can't use hostname for my linux machine

I installed apache on my RHEL machine yesterday and found I could access it from a browser using http://. Of course, sshing using the hostname was also working. So, I made an index.html file inside ...
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1answer
76 views

Start aplication in local desktop from remote SSH [duplicate]

I have an issue for which the work around would be to start the application in X instead of headless. How do I make sure the app is executed on the desktop, even if I run the command from a remote ssh ...
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34 views

What permissions should each file under .ssh have?

What permissions should each file under .ssh have? I just experienced some glitch caused by .ssh/config not having 600. What permissions other files there should have?
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990 views

SSH Pub Key Login without Password

I am configuring an SSH Server on Ubuntu 14.04.1 Server Edition. The goal is to use public key authentication only and only permit certain usernames. My public and private keys are created and a ...
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423 views

SSH over multiple server and save output of multiple commands in file on local server

I want to SSH over multiple server (host 1, host2 and host 3) and save output of multiple commands (cmd1, cmd2 etc) in file (output.properties) on local server. I know there are a few posts similar to ...
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151 views

Accessing Linux server via VPN or Certificate based ssh?

My company has a fairly common security setup where you need to log in via VPN, when outside the company network in order to get access to the servers. The biome is mostly Windows machines. I'm ...
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2answers
114 views

When executing a script via ssh, how can I transfer variables back to the PC issuing the cmd?

I'm writing a pretty simple script that will SSH into the machine of my choice, run a script to obtain things like the number of users logged in, CPU averages, etc, and write it to a file on the PC ...
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1answer
66 views

How to take screenshot of /dev/pts?

I am connecting to another server using ssh service. I want to execute some commands (like creating users) on some servers and take the screenshot of the pseudo-terminal, which is to be stored on my ...
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4answers
78 views

Backup remote management protocol in case of faulty SSH server

I have a remote computer which I currently cannot access with SSH. The computer responds to ping but SSH gives connection refused, so I suspect the ssh-server is not working for some reason. What ...
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1answer
10k views

What is the default idle timeout for OpenSSH?

I can't seem to find an answer to this simple question, which I need for some compliance documentation. On a default install of CentOS 6.5 (OpenSSH 5.3p1-94.el6), after how long of being idle will ...
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2answers
84 views

RSA keys demanding nonexistant passphrase [closed]

I need to automate a script that logs into a server. I made an RSA key and upload it to the server's authorized_keys file: desktop$ ssh-keygen -f ~/.ssh/id_rsa_marge -P '' -t rsa desktop$ chmod 600 ...
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45 views

Can't ssh to github from a remote machine: what should I do?

I am sshing into a remote server. From the remote server, I want to be able to ssh to github. I don't want to put my private key on the remote server, because other people have access to the ...
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1answer
55 views

Howto Tell if a System authenticate with password only or through PAM

If my computer has the pam package installed and has the directory /etc/pam.d/sshd, does it mean for sure when I ssh to my computer, I am authenticated through pam modules? The /etc/pam.d/sshd looks ...
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192 views

Unable to install yum and mysql,ssh

When I go to install mysql on CentOS 6,I get the following error: yum install mysql mysql-server Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile ...
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373 views

ssh public key copying

This question is repeating from Stack Overflow because i don't get answer from there. I'm trying to make a simple script that will import the public key to other servers. I have made 2 options you ...
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1answer
89 views

VPS SSH and my OWN IP

Is it possible to to stay in total anonymous mode for the VPS provider? I have got a VPSVZ machine with UBUNTU server. Is it possible to do anonymous tunneling: VPS1 -> VPS2 -> VPS3 (all UBUNTU) ...
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3answers
113 views

Connectivity between 2 remote Linux machines

I have two remote machines, I'm running a script on one of them. There's some part of the script that should be running on the other one, then the script will continue in its further tasks/commands. ...
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1answer
44 views

Backup of data from Linux PC [duplicate]

I have Linux PC, for which monitor is not working. But I am able to log in through SSH. I want to take a backup of all the directories from this PC. Instead of changing directories one by one and ...
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1answer
35 views

Deamon openvpn configuration file with .conf?

In the video connected to a Linux to another Linux via SSH, the second openvpn daemon already started and configured with user/password requested at the entrance. http://youtu.be/tSNCE6j2zxM How do ...
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3answers
943 views

SSH Agent-Forwarding works, but what about sudo -u username no shell/ permissions? composer

Working on a remote server (A) I want to use my local SSH-Keys to access a repository on another server (B) that is not controlled by me. Generally this works like a charm. I log in as myUsername ...
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1answer
147 views

Can I use `screen` to keep an ssh tunnel alive from the client?

I read here that you can keep your ssh sessions alive a bit longer using a utility called GNU screen. Is it possible to keep an SSH tunnel alive longer with this as well?
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1answer
97 views

Unrar local files to remote server [duplicate]

I have two Linux servers, one which has several RAR files and another empty one. I would like to extract the archives and move the content to Server 2. The problem is: I do not have enough storage to ...
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1answer
207 views

Getting more output from NetCat

Currently I'm using the standard netcat -e /bin/sh to provide a remote shell for other computers to access. The problem is however that this shell is rather terrible, since it has limited output. For ...
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1answer
258 views

Mount a dropbox directory without installing the dropbox application

This is most likely to be a duplicate question, but I could not find a simple answer for my problem. My situation is as follows: I have multiple accounts on different computing clusters. I want to ...
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1answer
390 views

Multiple SSH tunnel through raspberry pi?

In my home network I have a PC, raspberry pi, macbook and a few other devices which I want to access away from home. As it stands, I have setup VNC server on my PC along with remote desktop and have ...
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2answers
193 views

Can using SFTP with HMAC-RIPEMD160 replace computing file hashes before and after transferring?

As part of my job I often find myself transferring lots of files between my computer and a remote storage space accessible over SFTP. To ensure the files' correct transfer I compute their SHA256 ...
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2answers
395 views

How to Find the Cause of Too Many Dropped SSH Connections?

Overview: I have a home setup, behind a home router, on which there is Proxmox Hypervisor running over 10 VMs. One of those VMs is the first point of entry after router. It is just a jump host Centos ...
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1answer
338 views

Passing multiple scripts to shell over ssh

I have a somewhat lengthy script which sources other scripts to include the functions there. I'd like to execute this script remotely via ssh. Now I thought to make one script file of it (without ...
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1answer
463 views

SSH accesss between CentOS and Vmware installed Ubuntu

I am here to request the Linux lads about using the SSH type remote access between my CentOS (Host) and VMWare installed Ubuntu. I am not new to Linux but I am completely new with practical ...