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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how do I ssh from a vm to a private server through an ethernet cable?

A devbox has Windows 8.1 as the host OS running VirtualBox and a virtual machine with CentOS 7 for development. The devbox is connected to a CentOS 7 development server through an Ethernet cable. The ...
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27 views

Large number of failed login attempts - cPanel Hulk Brute Force

The past month, my personal web server has received thousands of these notices. These attacks started by attempting root, but have since progressed to attempting user accounts where I am not certain ...
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7 views

win-sshfs “Server HMAC algorithms not found” Can't connect to server

I'm trying to setup SSHFS from my windows PC to my Debian 8 VPS, however whenever I try to connect with win-sshfs it returns this error: Server HMAC algorithm not found From what limited ...
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59 views

Jenkins - Publish Over SSH - UNSTABLE - Permission denied

Our jenkins deploy process checks out our git repo into the workspace and then copies the files from the workspace into our staging environment, using the publish over SSH plugin. 2 Days ago we had a ...
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2answers
16 views

RSA keys and new computers

I just got a new computer. I have a keypair on my old computer, that I use to sftp into a server that hosts my website. I transferred my RSA key over to my new computer, but I still can't logon. Do ...
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1answer
10 views

Can't run sshd on a different port with command line (inside docker)

I want to run sshd inside a ubuntu docker container on a different port than 22 (for a tunnel). I executed the commands from https://docs.docker.com/examples/running_ssh_service/. The first time i ran ...
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1answer
53 views

Best way to transfer files from Windows to Windows via Internet

I'm looking for the best way to transfer files from say my computer to another person's computer. We both use Windows, I can use some external program of course like TeamViewer for file transfers but ...
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9 views

how to keep the window's name fixed in tmux after I rename it with zsh

I use zsh with oh-my-zsh and tmux 1.8.1 I want the windows' name changed with the changing of my dir,but fixed after I first rename it. It is fine when I use shell, but the windows' name will still ...
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13 views

sz and rz fail to transform files in tmux?

I use xshell to SSH to a Linux remote server—running Red Hat Enterprise Linux AS release 4 (Nahant Update 3)—without root. There aren’t any problems to use sz, rz to transform my files until I start ...
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24 views

How to SSH to and connect back to original network?

Once I’ve connected to my Linux Machine(B) over the internet from my current PC(A), is there a way to run software on that machine(B) on the local one(A) so that it uses the original network. For ...
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10 views

Problems with X11 forwarding

I am trying to do some X11 forwarding from my windows machine. I have tried: Mingw64 Cygwin64 putty In both Mingw and cygwin I run I get these results: $ ssh -X bongioc@ncp-cb-1.nintextest.com ...
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34 views

SSH: Only allow known IPs

I want to allow only a known IP address block to SSH into our servers. I have Windows Server 2012, R2, CentOS 7 and Ubuntu 12 and 14. What is the best practice for each OS to accomplish this?
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12 views

X11 forwarding using bsub

I would like to run an interactive R job on a server. I would also like to enable X11 forwarding so I can view my graphs. However, I am having problems. My laptop is a Mac OS 10.9.4. I have tried ...
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1answer
18 views

Find and rename folders through SSH

Trying to bypassing the glacial thumbnail generation process of the synology diskstation. The trick is to generated them through a proper computer, into folders called @eaDir. So far I've been ...
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1answer
22 views

How open URL in first time without log in on the Terminal

I want to open a URL (for examplewww.google.com) from the terminal (SSH with PuTTY) on Raspbian on my Raspberry Pi. I must first log into Kerio control webpage (https://168.19...../) then access the ...
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6 views

SSH over VPN to AWS :: VirtualBox Guest Linux is way slower that native Mac

I have a strange problem with connecting AWS with SSH over VPN. My host machine, iMac27/Yosemite with TunnelBlick connects to AWS SSH over VPN smoothly. My VirtualBox guest OS, Ubuntu, experiences ...
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1answer
6 views

How do I surf via a VPN and have a home VPN endpoint?

Here's my issue. Previously I had my Gargoyle-based router operating as a VPN server so I could connect to home whilst away. This proved very handy. Due to changes in local snoopery I have changed ...
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49 views
+50

Setup ssh in background windows

Currently I have cygwin installed and ssh into a machine and run commands like so. ssh user@ip "command" The only problem is it takes a long time to open a new ssh session and run each command. So ...
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ssh: Cannot resolve *ANY* hostname: “Could not resolve hostname x Name or service not known”

ssh cannot resolve any hostnames, at all, but connects fine when an IP is used. nslookup works fine. ping works fine. All other web utilities work fine. There is some strange configuration issue with ...
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59 views

“Permission denied (publickey).” after update of Cygwin

I updated Cygwin and I can no longer SSH into any remote machines. Here is the relevant debug output from SSH; What is happening? debug1: Server host key: ssh-rsa ...
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2answers
12 views

Kali => ssh_exchange_identification: Connection closed by remote host

I'm using Kali Linux to connect to a server remotely using SSH, it used to work out, but suddenly I got the message: ssh_exchange_identification: Connection closed by remote host Even though I've ...
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1answer
37 views

Establishing an SSH connection between machines behind firewalls

I have two machines, A and C, each of which is behind a firewall so they can’t accept incoming SSH requests on port 22. I have a third machine, B, outside both firewalls and I wanted to SSH from A to ...
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18 views

SFTP Access denied to files created by www-data (FileZilla, Win)

I have a webpage (created from scratch, no wordpress or anything like that) uploaded on a server and I use FileZilla SFTP to upload/delete/etc files and everything is working well. But I have a PHP ...
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2answers
28 views

ssh between machines behind different routers on the same network

I have 2 machines, A and B. Both of them are connected to their own wifi access point (routers). Both the wifi routers are connected to the same private LAN, like a university's intranet. A's ...
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7 views

Transfer script files using ssh to my server?

I'm using Amazon node ssh I have a captcha.php script on my local host. How do I transfer that to my Amazon EC2 page? I'm trying to generate a captcha. I'm using Mac terminal and installed xampp.
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35 views

Rsyncing directories through ssh tunnel

I have 3 computers/servers, let's call them as computer A, computer B and computer C. Computer A has access via ssh to computer B. Only computer B has access via ssh to computer C. Computer A ...
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28 views

sshd error - what could be wrong?

I am getting the error below from my /var/adm/messages (or syslog) Aug 28 19:11:21 myhost sshd[25570]: [ID 800047 auth.info] Keyboard-interactive (PAM) userauth failed[9] while authenticating: ...
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19 views

How to troubleshoot and diagnose “Write Failed: broken pipe” on SSH connection?

I'm experiencing quite a number of “Write Failed: broken pipe” on OS X ↔ OS X. Both machines have OpenSSH 7.1p, and the server is listening on 1522. Both machines are on the local LAN, but I'm ...
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26 views

Complete password- and key-less login for user using SSH

I want to use this plugin in my text editor to debug my HHVM application. Therefore I need a Linux user which is able to login via SSH both without password and without key authentication. How can I ...
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13 views

How to set output of terminal to external VGA display

I have laptop with broken screen and external monitor that i can connect to laptop via VGA port. Is there any way how to set output of shell(I have no GUI on installed debian) to VGA monitor? I can ...
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32 views

c vim garbles 1st character of file when using via mobaxterm

this thing drives me crazy, and I am unable to find a solution... I am logging in to a FreeBSD machine via ssh using MobaXterm. Every time I open a text file with vim, it replaces the first character ...
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24 views

log password for ssh login failures

I'm managing a server and i wonder if it is possible to log the password used for a failed connexion attempt. In the auth.log, there is the user but not the password. it's just for an informative ...
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Cannot ssh localhost. ssh_exchange_identification: Connection closed by remote host (MAC OSX yosemite 10.10.4)

➜ ~ ssh -v localhost OpenSSH_6.8p1, OpenSSL 0.9.8zf 19 Mar 2015 debug1: Reading configuration data /usr/local/etc/ssh_config debug1: Connecting to localhost [127.0.0.1] port 22. debug1: Connection ...
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1answer
12 views

View file tree in Sublime when using Cyberduck

I use Cyberduck to open remote files and edit them via Sublime on my local machine. I want to be able to see the file tree of the remote system in the Sublime Text side bar. I've tried a few things ...
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1answer
47 views

SSH into remote computer from home (Port foward)

Sometimes the VPN at my friend's place goes down and there ends up being no way to access his computer remotely. I was looking up SSH port forwarding but do not really understand what I'm reading. ...
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4 views

Getting OS X Port Map to work with SonicWall TZ - 100 (Sonic OS 5.8)

I am trying to get the Port Map application working with an iMac on a SonicWall TZ-100 router. When I run Port Map on this workstation, I get the message 'Router Incompatible'. I have enabled ...
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1answer
28 views

Remote SSH into OS X from Internet

I would like to SSH into my Mac from the internet. Here are some details: Public IP: 64.xx.xx.xx Mac's Internal IP: 10.0.0.10 I have set up port forwarding in my Comcast Arris TG862 gateway as ...
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3answers
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How to scp-and-ssh with specifying host twice?

I frequently do this kind of thing: scp somefile me@host:/some/path ssh me@host Typing out me@host twice can be irksome. We (or at least bash) can grab that last argument with !:$, but that ...
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15 views

Xubuntu: computer can't be reached over ssh after being idle for a period of time

This started happening after installing Xubuntu 14.04 instead of an old Ubuntu, so I believe the wireless card is not to blame. After being idle for a small period of time (roughly 15-30 minutes) I ...
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12 views

Permissions issue with users having same group

USER A need to execute a shell script from a Jenkins job (using SSH plugin), scripts reside in an AIX directory, belonging to USER B. Both the users belong to same group. Script basically deploys ...
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1answer
204 views

PubkeyAcceptedKeyTypes and ssh-dsa key type

I'm trying to test the order in which keys are tried. One of the system's users is using DSA, so I'm trying to test it as an option. I'm getting a Bad key types. $ ssh -vv -p 1522 ...
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2answers
51 views

Connecting to remote desktop from windows through ssh

I am sitting on a Windows computer, on a network, that doesn’t allow me to connect to a Windows server outside the network on RDP - however I am able to SSH into a third server outside the network. ...
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1answer
55 views

What does “key_load_public: no such file or directory” mean?

I've been troubleshooting a PubkeyAuthentication-only issue. When I use verbose mode, I see a lot of "key_load_public: no such file or directory". Obviously, the keys exits on the filesystem, so that ...
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35 views

scp causes all other traffic through router to stop?

Not sure what I'm seeing here, but when I scp a file through a bastion host into an AWS EC2 server, all other traffic through my home router (Asus RT-AC66R) stops. The mac laptop doing the scp-ing ...
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21 views

SSH connection closed after SSH2_MSG_SERVICE_REQUEST

My SSH connection is being closed just after this message: debug1: ssh_dss_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: ...
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1answer
31 views

“Bad SSH2 cipher spec” with Protocol 2 ciphers and OpenSSH 7.1 Server

I'm trying to determine which cipher(s) an OpenSSH 7.1 server finds offensive. The OpenSSH 7.1 server was built with OpenSSL 1.0.2d. Below, I added the line breaks below for readability, but there ...
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1answer
37 views

Incorrect output of history command of ssh. How to read the timestamp info correctly

I set the HISTTIMEFORMAT variable to store the timestamp info .bash_history file. I am able to display the history properly if I use interactive shell. But, when I run history command to display ...
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18 views

ConEmu: How to attach putty

I have been trying to open a new putty window inside as one of ConEmu Tab, but no success so far, I've tried many combinations. putty.exe -cur_console:b -ssh USER@DOMAIN 22 -pw PASSWORD putty.exe ...
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24 views

Where is the configuration file for OpenSSH server?

I'm trying to disable password authentication at my SSH server. I found the client config file at ssh_config, but I can't find the server's configuration file. man ssh_config(5) does not appear to ...
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88 views
+100

How to change encryption algorithm for private key file using OpenSSH 5.3

Using ssh-keygen, I need to generate a SSH private key file where the encryption algorithm used when using a passphrase is AES-128 with CBC mode. I know this is the default for OpenSSH >= 5.4 as per ...