Secure Shell; a network protocol that allows data transfer over a secure channel between two networked devices.

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Why does my desktop freeze when SSH password prompt goes out of focus?

I use tmux in a fullscreened terminal emulator. Sometimes when I use SSH the password prompt goes out of focus and disappears "behind" the terminal emulator, and X (I think) freezes whenever this ...
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59 views

Force OpenSSH server to accept nonexistent usernames?

Can sshd be configured to accept a nonexistent username and log in as a predefined user, such as guest? For example, if I enter ssh nxuser123@localhost, sshd should save "nxuser123" in an environment ...
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21 views

How to set system-wide umask for SSH connections to an OSX machine

I would like to set the default umask of an OSX machine to 0002. I can get this to work for graphical applications using: $ sudo launchctl config user umask 0002 $ sudo reboot However, this doesn't ...
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2answers
11 views

Extract error info from log files

I am monitoring the real time server logs through putty by running the command 'tail -f console-20160622.log' ,I want to capture all the error information from the logs which are being generated on ...
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1answer
23 views

Use netcat to bridge thru firewall?

I have a machine behind a firewall. It's my machine, I have set up ssh, but it's completely firewalled. My solution has been to use a reverse shell set up on a cron basis to reconnect if it fails ...
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1answer
42 views

Connect New Server to Static IP and To DNS Server

I have a strange setup. I have drawn a pretty crude diagram so it may be easier to explain. Usually, all the new servers we add just go into the HPC cluster and we assign an IP address through our ...
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16 views

What is the easiest way to copy users from one server to another?

We have about 20 servers on AWS, and we could login only on one of them from local, if we want to log in on others we have to do it from this main master server but everybody use root user which was ...
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1answer
96 views

How to block IP in ssh

A very insistent individual is trying continuously to gain (unauthorized) access to my system for the last few days... There are a gazillion of entries, like in /var/log/auth.log: Jun 21 03:55:15 ...
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32 views

Can’t seem to SSH from an iPhone to Mac

I’ve tried using several iPhone apps to connect to my Mac (a 2012 Retina MacBook Pro running OS X El Capitan) via SSH, but it never seems to work. I have remote login turned on and know my Mac’s IP ...
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1answer
28 views

Trouble enabling GatewayPorts for Remote Port Forwarding over SSH

I'm trying to use an Ubuntu server to do remote port forwarding over ssh. I've edited /etc/ssh/sshd_config to contain the following lines at the bottom of the file: ... Match User david ...
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16 views

.deb installation won't run

I'm trying to install Wowza Software engine on my webServer, but it doesn't want go on. When I connect to my host (a Debian system) remotely via ssh, I enter: su dpkg -i WowzaAndThaNameOfTheFile....
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62 views

Can't login with PuTTY to RasPi 3 + OSMC

I have a RasPi 3 with a freshly installed OSMC (the successor to RaspBMC, as I'm told). I'd like to use this as a little home server as well (perhaps with OwnCloud, NextCloud or Cozy) - otherwise I ...
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18 views

Can't visit some websites via socket proxy, by BitVise

I have a machine A, which can't visit YouTube. Another machine B is an Azure virtual machine, which can of course visit YouTube. I set up BitVise in machine B and SSH to B from A with allowing port ...
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40 views

Unable to run python script remotely through SSH on ubuntu 12.04

I am trying to implement a networking model(functioning well on ubuntu 14.04) on my system(ubuntu 12.04), which involves connecting with nodes(machines) remotely and running python script on them. For ...
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30 views

El Capitan with firewall on won't allow SSH connection

After upgrading to 10.11.5 I cannot SSH in to my Mac any more. Remote login is enabled in Sharing. In Firewall options, I see the green Allow incoming connections next to Remote Login (SSH). As soon ...
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29 views

Installation of OpenSSH hangs on each windows system

I am sitting here in a big company with terrible restricted infrastructure. When I execute the openssh installer: http://www.mls-software.com/files/setupssh-7.2p2-1-v1.exe as Administrator on a VM ...
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18 views

OpenSSH won't resolve %temp% environment variable in commands and batch files

I installed OpenSSH on my Windows Server 2012 R2 system. So far everything works except for resolving the %temp% environment variable: In my PuTTy SSH client I can resolve %systemroot% but not %...
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2answers
28 views

SSH connector service

I have a number of linux computers at home, at uni, and my android phone. I'd like some way to be able to SSH to any one of them at any time, but they're all hidden behind different networks, and they ...
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27 views

bitvise ssh server (windows) unable to connect from remote linux machine

I have configured bitwise ssh server on my windows box along with Cygwin package. I am trying to connect from another remote Linux machine from terminal running ssh -p @ip address I get a message ...
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1answer
28 views

Add Static ARP Entry to Verizon AC1750 Router

As documented in this question, I need to make a static ARP entry on my router. My router is a Verizon AC1750, and I am facing some difficulty along the way. From what I can gather from the router's ...
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45 views

Opening a port with firewalld doesn't seem to work

I have configured sshd to live on a different port. I have opened that port using firewalld: $ sudo firewall-cmd --zone=public --add-port=22000/tcp --permanent Listing rules shows port 22000 is ...
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1answer
39 views

Incoming connections from public to private IP address

Today i have checked the auth.log of my raspberry (private IP address in my home network behind a wrt54gl). Surprisingly i saw a lot of "Failed password for root from" lines. The SRC IP can be found ...
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1answer
56 views

Unable to SSH over WiFi, working when connected via LAN

I am trying to SSH into my Raspberry Pi 3 via my Win10 PC both connected to my router via WiFi. What I did was that I assigned a static IP from my router's config page to both my PC and my Raspberry ...
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1answer
19 views

Disable cipher in ssh

I'm interested in getting SSH running over Amateur Radio, which has a strict ban against encryption for obscuring communications. Authentication (ie RSA signatures) is fine though. Reading ssh(1) and ...
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1answer
46 views

Why can't I use SSH with these firewall rules? [WINDOWS HOST]

I'm currently trying to connect to my Linux Mint guest via SSH on my Windows 10 host. Better said, I'm trying to connect to the guest successfully with particular firewall rules in mind. Using ...
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20 views

Linux kernel ignoring ICMP redirect requests, but only sometimes

With tcpdump I can verify that ICMP redirect requests are honoured when using ping, but not when using ssh. Here is the setup: myhost connects to otherhost. otherhost has tcpdump running. It has a ...
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29 views

How to open windows on RDP thin client

We use RDP thin clients in our company. Each have an IP address with a stand alone linux OS on it I want to open windows(gvim, xterm, ...) after ssh'ing to another remote server. Though I set DISPLAY ...
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1answer
60 views

Redirect keyboard input to unfocused program

While one program is focused (a full screen web browser) I want to pass keyboard input to another unfocused program (an ssh terminal) in Raspbian/Pi3.
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38 views

FIDDLER as proxy it's work but HTTPS

I'm in a corporate office and I just want to make a tunneling with putty in order to navigate in some sites like google mail,drive etc... Now putty can't connect to internet cause of proxy that we ...
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1answer
28 views

Problems connecting to my Mac via SSH

I have Mac with remote access enabled. I can easily connect to it via SSH within local network. I have configured 22 port forwarding on my router. But I can't connect to my Mac via SSH by using router'...
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1answer
45 views

Can ssh internally, but not externally

I have a Netgear C6300 (Firmware Version 2.01.14) router/modem, and I'm trying with all my might to ssh into my raspberry pi externally. Here's my port forwarding setup: I can ssh internally using ...
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2answers
91 views

get SSH key fingerprint in (old) hex format on new version of openssh

It seems that openssh has changed the way it displays key fingerprints. I am trying to ssh from a client machine to a server: client: ubuntu 14.04 running OpenSSH 6.6.1 server: FreeBSD running ...
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1answer
11 views

Raspbian can ssh/ping Me I can't

Very strange problem here. On my LAN, there are a Raspbian and my PC, both connected to a router/ADSL. Raspbian can ping/ssh me. But I can't from my PC toward the Raspbian. My PC is a Fedora 23 ...
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31 views

Is there a way to see linux logon users?

I can see the logon users from rdp using rdpy-rdpscreenshot.py etc. My question is, is there a way to see the logon users from a Linux OS, without signing in? I tried to use rdpy-vncclient.py but it ...
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1answer
28 views

GNU screen is displayed differently on different machines

I am running $ screen --version Screen version 4.03.01 (GNU) 28-Jun-15 on Debian Jessie via SSH. If I create a screen from a machine running Gentoo and then use it from there, Unicode characters (...
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23 views

Establishing SSH connection on a local machine to a system running within VirtualBox

I'm running Debian on a Virtual box on Mac OS X. On the same machine, I would like to connect to Debian from the mac terminal. Simply put, I want to execute commands by Mac terminal not by writing ...
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23 views

SSH on wireless NAT - works for LAN, not for WAN

I am trying to set up SSH between a travel laptop and my home server. Currently, both are connected to my home WiFi (which is NAT). I am using port forwarding for SSH (start port = 22, end port = 22......
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1answer
95 views

Windows firewall blocking SSH to secondary subnet

My network has 2 subnets /25 and Linux server in each subnet. One of the subnets contains a Windows computer which is used for managing Linux servers via SSH; but there is problem with firewall on ...
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1answer
143 views

/dev/tty: no such device or address - only in a script

I'm pulling my hair out over this. I've looked over all of the google results for /dev/tty : no such device or address, none of them apply to what I am doing / none of the solutions are successful. I ...
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39 views

Network is unreachable, crashed after ssh

Hi i've worked on my webserver via ssh, on my Linux Server. But suddenly, when i try to reconnect to host my shell launch the same error: NETWORK IS UNREACHABLE. I've googled, and i've tried ...
0
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1answer
18 views

authorization keys with gateway machine

I am trying to set up authorization keys so that I can log in to a remote machine without a password. The complication is, I have to go through a university gateway machine (machine1) first before I ...
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1answer
27 views

How could I use SSVNC to VNC into a machine behind a firewall?

I currently have three machines in my setup (all running Linux): FirewalledMachine - The machine I want to view. Always on. Server - Have full control over port forwarding. Always available. ...
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1answer
21 views

How to revert back to a process triggered by ssh?

I am using some Raspberry Pi -2 and a Ubuntu Laptop (14.04 LTS) in ad-hoc fashion over WiFi. I have some python3 scripts that I usually trigger using the ssh -6 (since I am using IPv6 Link-Local ...
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0answers
13 views

ffmpeg won't upgrade or uninstall

I'm trying to upgrade ffmpeg on centos6 but everything I try doesn't work . I've tried reinstalling to overwrite it but no luck. this is the version and when it was installed. It installed 2 weeks ago ...
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1answer
21 views

How to be made secure copying between remote machines on different ports by local machine

I have a cluster with 4 machines. One of them is cluster manager. When cluster manager start a backup, each slave cluster creates cluster backup files in it's own file system. After cluster manager ...
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11 views

ARP table on sg500x-48 not showing everything

I have a sg500x-48 Cisco switch with 15 different machines/IP addresses connected to it. Nevertheless, ARP table shows only one entry, regardless of if I run 'show arp' through ssh or use WebGUI. ...
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1answer
39 views

Setting explicit command to run SFTP server in FileZilla client (Mac OS)

Basically what I am looking forward is the same functionality on Mac OS as the WinSCP screenshot below I have SSH tunnel application to establish tunnel with the server and using the FileZilla for ...
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1answer
49 views

Cisco ASR 1001 X SSH Connection

I am trying to set up SSH on Cisco ASR 1001X device. I am at a point where I am getting the login prompt for SSH, the authentication is successful, but immediately after that the connection closes. ...
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1answer
22 views

Github not verifying with OpenPGP key?

I generated a public/private key pair using GnuPG (following Github's instructions) and am getting the following error when trying to push my commit to a newly created repository: git push origin ...
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1answer
13 views

SSH session with SOCKS5 proxy does not logout/exit properly

It 'hangs' if I use the 'exit' command, and I have to terminate the terminal. I am using it on a Mac. I use the -D option to SSH over a port. Edit: This happens only when I have used this proxy/...