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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Using reverse SSH to connect two clients over one server

I’m trying to set up multiple client PCs that are behind a firewall with dynamic IP addresses to have an SSH connection available for another PC. My theory is to set up a server with a publicly ...
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23 views

Lost username on a Debian box

The situation is like this: I logged in to my Debian box through SSH and just found it showing the message that there is no username for the current account. I tried to use whoami to see if the ...
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scp sometimes adds a '-f' flag to my command

When using SCP to copy from a remote host to local (eg: scp -v foo-host:/source/path dest ) I look at the verbose output and notice this is the command sent over SSH: debug1: Sending command: scp -v ...
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22 views

How to run a script on ssh login and run another script after the first terminates?

I'm trying to run a script/shell just after I login via ssh to my host with a "guestUser" the mission of this user is to connect to another remote host via ssh, I've created this user on my host: ...
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To which location on windows I need to import my public key from linux to setup password less SFTP transfer?

To which location on windows I need to import my public key from linux to setup password less SFTP transfer from linux to windows? My target is to transfer files via SFTP from linux to windows using ...
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14 views

Mac Host access -> Putty Connection to unix

I'm trying to access in my Mac Host Web Browser to a putty SSH connection to a Linux Server that I have made and that required a tunnel. I can ping from my Mac Host to the Windows Virtual Machine but ...
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10 views

How to transfer directory from remote server to local server?

0 down vote favorite I have a remote server where SSH is disabled and i have only FTP access , on my remote server i have SSH enabled. I want now to download a directory of my remote server to my ...
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Forcing server to server copy to use LAN and not WIFI and “Smart” SSH GUI utility?

I have a simple LAN setup consisting of 4 macs with the included ssh servers turned on (all on Mavericks/Yosemite) I regularly sort and move files between the ssh servers. I'm looking for a tool that ...
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49 views

SSH to local machine over internet vs over local network

I can SSH into a machine on the local network in two ways: (1) Via local ip: ssh 192.168.1.xxx (2) Over internet (using port forwarding): ssh -p xxx mydomain.com What are the differences? In ...
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19 views

CoreOS on VirtualBox only works with one adapter at a time

I'm trying to learn more about CoreOS. (I'm not using Vagrant, just plain-old VirtualBox.) So I created a disk using coreos-install. Unfortunately, I can't find my original cloud-config.yaml file, but ...
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Connect to database server inside a tunnel inside a router

I'm using Ubuntu and trying to connect to a database server wich is accessed by a tunnel in my server wich is inside a router and I only have ssh connection to my server. Is there a way to do that? ...
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27 views

Automating an ssh connection with crontab

I've been struggling to crontab automate a git push process with ssh, and it's proving tricky to setup a key with the ssh agent. Starting with a basic script to test the agent: # set paths (all ...
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1answer
15 views

ssh -o PreferredAuthentications: What's the difference between “password” and “keyboard-interactive”?

Both PreferredAuthentications=password and PreferredAuthentications=keyboard-interactive would prompt for the password, so what's the difference between them? I Google'd with the keywords ssh ...
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9 views

Add public key to OpenShift?

What am I doing wrong? There are no guides to follow to be able to add this.
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1answer
39 views

Unable to SSH to internal IP

Read a few related questions here and here. The situation is as follows: assume that I have a computer A and computer B. I am able to ssh to both computers when by setting Port Trigger and Single ...
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13 views

SSH remote chroot without root

I have a dual boot system consisting of two Debian OSes. I've installed one of them in a root of the partition and installed the other Debian using debootstrap; the installation partition is called ...
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1answer
24 views

Start PuTTy session in remote host over network

I have 5 hosts - A, B, C, D and E. A and B are windows hosts. C, D and E are Linux machines running ssh server on port 22. I've copied plink.exe (putty command line backend client) in host B. When I ...
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How do I pass a private SSH key to a Windows service?

I have a service under Windows which eventually uses SSH (jenkins which eventually tries to pull from a Git repo). If I run Git on the command line, everything works since I've loaded my private key ...
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21 views

Unable to git fetch - Connection reset by peer

I have a PHP script handling the automatic deploy to my pre-production server, using Bitbucket's hooks. The deploy script is based on this post. Everything was working fine until this Sunday. Since ...
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29 views

SSH through specific port not working

I am attempting to use port 4 as my SSH port. Though when I enter: ssh -p 4 Patrick:172.xxx.xxx.xxx It always returns with ssh: connect to host 172.xxx.xxx.xxx port 4: Connection refused and yes, I ...
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20 views

SSH2 taking too long to connect with remote server [closed]

I am trying to connect with remote server using SSH2 configuration but it’s taking too long to connect with remote. Is there any way out for this so that i will connect with remote quickly using SSH2? ...
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16 views

Using ssh agent to sign a string

I am trying to learn more about asymmetric keys. I am writing a program that uses ssh-agent server to sign a message. This works well, but it generates a RSA-SHA1 signature of the message, which I am ...
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29 views

Remote SSH Commands - bash bind warning: line editing not enabled

I am using bash 4.3.11(1) and have the following history plugin installed (via .bash_it): # enter a few characters and press UpArrow/DownArrow # to search backwards/forwards through the history bind ...
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30 views

Cannot SSH to server on VPN

I have 2-level routers. Router 1 is ISP router (Technicolour TG582n) and has xbox connects to it via LAN, IP 192.168.1.243. Router 2 is a VPN client router (Asus rt-ac56u) and connects to router 1 ...
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How to set up PuTTY SSH RSA automatic authentication?

I am very new to encryption and SSH. I have already set up the SSH in putty to access a remote server. According to our company internal procedure, I have to set up a RSA key following this guide. ...
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12 views

Dozens of ssh-agents listed under top

I noticed this morning that our server was running slow so I ran a Top command sorted by mem and found a few apache instances running nothing out of the ordinary but I noticed several pages worth of ...
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26 views

SSH shared private key: A@box1 & B@box2 connecting to A@box3. SSH Key without passphrase works, with it doesn't. Why?

I have an question about SSH key with vs without a passphrase. I am able to do as follows without a passphrase, but not with: User A@box1 and User B@box2 both share the same private key. Both try to ...
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25 views

Tunnel PuTTY through PuTTY proxy

I have a seedbox that I'm also currently using as a proxy to bypass georestrictions on websites. I also wish to be able to open an SSH session to this server from my workplace, but the firewall ...
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27 views

System-wide DNS lookups over SSH tunnel

IT has the lab locked down so I cant do apt-get updates or install any packages on the Ubuntu machine. We have a Windows RDP desktop that has limited internet access. I have an SSH server running on ...
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20 views

SSH works in Remmina but not in Terminal nor Putty

I was able to connect to my server using SSH normally using Terminal but suddenly it didn’t connect. I tried PuTTY as well and ended up with no luck. However when I tried remmina it successfully ...
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29 views

How to do a nightly Rsync from Windows Client to Ubuntu Server with Cygwin and Task Scheduler?

I do this with the OS X machines in the office but I wish to do this with the Windows PC too. On OS X, I created SSH keys and cron jobs to rsync certain folders to specific user folders on our Ubuntu ...
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39 views

Non-interactive ssh sessions don't have PATH set on some systems

I set my environment in .profile. My .profile is idempotent and .bash_profile, .bashrc, .kshrc and .zshrc all source .profile. That way I always get the same environment regardless on what ...
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1 chroot sftp user that is able to traverse all other chroot sftp users files/folders

I have a chroot environment that I have setup on CentOS 6. We have users for all of our trading partners and I would like to create an internal user for another department that can sftp in and only ...
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29 views

Password required when trying to ssh into a server using Cygwin on Windows 7

I'm trying to set up a server at our company, and one of the things I'd like to be able to do is host public Git repositories on it which I can access over ssh. Both the server and the workstation I'm ...
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42 views

Remote backup via SSH

I have two computers, my local and remote. I want to backup remote server with tar command via ssh but saving tar file on local computer. Is it possible?
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1answer
30 views

How to tell Git to use a different SSH config file?

I want to specify a lot of options for SSH when Git uses it. We're using ISPConfig, which sets the owner of the web users' home directory to root, which causes a lot of trouble, including that I can't ...
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18 views

CentOS 7 will not allow SSH local tunneling for port 80

I am trying to tunnel the remote port 80 of my CentOS 7 Server to my local PC through putty. Nevertheless, I seem to be unable due to security restrictions. Is there a way to loosen them and to allow ...
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1answer
20 views

No /etc/motd/ ubuntu. Where is it?

I was trying to edit the motd when I ssh into my Ubtunu computer, but can't /etc/motd anywhere on my system. kiancross@whb:/$ cd /etc/motd -bash: cd: /etc/motd: No such file or directory This is ...
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23 views

custom message ssh “ssh_exchange_identification: Connection closed by remote host”

Usually I am blocking hosts with /etc/hosts.deny. When restricted host trying to connect to the sshserver user gets following message "ssh_exchange_identification: Connection closed by remote host" ...
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clonezilla works for ssh server but not samba server

currently using clonezilla live and i can successfully backup and restore an entire image using the ssh server option. i specify my user name and also my password and saves the image on my ssh server, ...
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2answers
25 views

Periodically send dynamic public IP to web server to allow remote SSH access

I have a home where the ISP does not allow static IPs for hosts. I have a computer (that I will call A from now on) in that home that has a SSH server running on it and I would like to connect to it ...
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9 views

ssh from RHEL-6 to Winxp

I seem to be unable to connect with ssh from RHEL-6 to WinXP. When running ssh -p 22 administrator@winxp it gives this error ssh: Could not resolve hostname winxp: Name or service not known ...
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1answer
9 views

logs are showing a succesful handshake but not connecting

I am using putty on windows to connect to an external ubuntu box: putty.exe mylogin@somewhere.com -pw mypassword The logs from pfsense are showing that it allowed this traffic to pass; however, I ...
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1answer
29 views

linux ssh key copy from already created by a server Permissions 0644 for '/root/.ssh/loadbalancer' are too open

I have to copy the whole ssh folder from one server to another to avoid to copy the ssh keys to other server but I'm getting this error. @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ ...
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63 views

How to use VLC to watch a file (while it is being modified) on a SSH server (using sftp or smth else)?

I'm using my ssh server to record videos and I'd like to be able to watch them (on a PC using Windows 7 or 8) during the recording. I can of course transfer the file when I'm done and watch it, but I ...
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1answer
27 views

Pushing out hosts to /etc/hosts ubuntu

I'm trying to setup an application which requires entries into /etc/hosts for all servers in the cluster. I'm trying to figure out an easy way to push all hosts to all /etc/hosts files on each server. ...
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SSH on Lightspeed Systems

I have just installed Lightspeed Systems and I am trying to get round it for 'theoretical' reasons (assume I don't have access to the settings). I am trying to connect to my SSH server (outside of ...
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19 views

DCUI: Command not found (PuTTY)

I'm using PuTTY, release 0.64, to connect via SSH to one of my VMware virtual machines (I have multiple hosts and multiple VMs on each host). The connection is established correctly (I access the VM ...
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ssh-agent installed with git 1.9.5 faults

I am getting a fault when running ssh-agent from windows 7. I think it could be a permission issue, though UAC is off. ssh-agent.exe SSH_AUTH_SOCK=/tmp/ssh-vDq8tk2Qlatv/agent.10256; export ...
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44 views

ssh without using the user's default shell

In my office there's a large number of people (3-500+) all using a variety of strange and bizarre configurations. It's very hard to predict how the software we write will behave for a given user ...