SSH, otherwise known as "Secure Shell", is a method for securely connecting to a remote computer.

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Know Ubuntu Distribution server or desktop

I am asking question after googling and I tried multiple solution but need a specific answer. I have logged in another pc with SSH and I need to know that the OS distribution is server or desktop. ...
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1answer
36 views

In file browser: connect to ssh server via other ssh server

in my file browser I have problems connecting remotely to a machine which sits behind a nasty firewall. Usually in a terminal our procedure to connect to that server goes via an ssh connection within ...
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1answer
72 views

Troubleshoot ssh prompting for password

I am using Ubuntu 15.10 and I am having trouble to login through ssh without password although I added my ssh keys. It was working before and then suddenly stopped working. I do not know what I did ...
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37 views

Automatic Kickstart installation how to add ssh keys?

I maked a FAI using Kickstart principles. The only package added openssh-server, but if I try to use post installation scripts (for example) to add ssh authorized_keys in ~/.ssh/ installation stops by ...
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1answer
60 views

Automating SSH login gives unresponsive remote-shell, dropping back to client-terminal (without errors)

I have a problem with the tool expect under Ubuntu 14.04 LTS. I want to automate ssh logins to some Sophos UTM Firewalls and evelate my rights directly after with "sudo su -" and the correct password. ...
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2answers
41 views

Unable to SSH to a host within my home LAN by using the hostname or local IP address

I want to access the SSH server on a Raspberry Pi (with Raspbian OS) from an SSH client on a X86_64 computer with Ubuntu 14.04, both located inside the same home LAN. I am able to SSH from the ...
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1answer
39 views

SSH Terminal like SecureCRT

On Windows I used to use SecureCRT and GNS3. Ubuntu also has GNS3 and its free. Is there a free alternative to SecureCRT, an SSH terminal which has a multi-tab facility to access multiple routers at ...
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0answers
123 views

Error when running “vino-preferences” on Ubuntu 15.10

I'm trying to configure and enable remote login on an Ubuntu 15.10 machine by connecting to it using ssh from Ubuntu 14 machine. On Ubuntu 15.10 machine, I've installed vino using the following ...
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31 views

scp syntax question

I'm having a little difficulty using scp to transfer files from a remote computer. The issue apparently has to do with the name of the directory the files are contained in. They're on a CD drive ...
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1answer
32 views

auto start a reverse ssh tunnel on system startup

I am have a remote machine behind a firewall that I wish to connect to through SSH. As far as I understand this can be achieved by using a reverse ssh tunnel. So the command I am using is ssh -N ...
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1answer
22 views

How to run an executable file (web app) 24/7 and restart automatically when it breaks down?

I have an executable file on a server which is a full-fledged standalone web application. When I login to a server via ssh and run the file, the website become visible in the internet. Obviously, ...
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3answers
79 views

Import SSH keys for remote server

I have an Ubuntu 15.10 X64 and I am working on a project for which I am trying out GIT. I have created a repo on one of our remote servers, which is a Debian server, and the repo is accessible via SSH ...
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92 views

PHP not loading ssh2 extension after successful installation

I was getting this error, when running my PHP script to download files using SFTP: PHP Fatal error: Call to undefined function ssh2_connect() I installed the ssh2 PECL extension by running the ...
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3answers
59 views

Can't Use SSH Keys Unless Running SSH With Sudo

For some reason I'm unable to SSH from my Ubuntu 15.10 machine to a remote server using a private key if I run ssh without sudo. Server side config is fine. I have tested the private key from my ...
3
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1answer
35 views

Why does auth.log warn of a possible break in attempt?

I have a server which receives backups from a remote server via rsync authenticated by ssh-keys. The rsync comes via a ddns URL, to a high numbered forwarded port. The sending server is on a normal ...
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0answers
40 views

SSH: Torch-Lua Script Unexpectedly Stops

I'm trying to run a Torch-Lua script on the luajit interpreter by using SSH on a remote (Ubuntu 14.04) machine. It runs only for two iterations and displays all the outputs accordingly, but, as soon ...
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1answer
72 views

Command after apt-get install is not executing in script

I wrote a question on Server Fault, but I guess it's more applicable for this community. I'm writing a script which is meant to initially set up my Droplet. In the script, I'm opening SSH connection ...
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27 views

How can I ssh to a server after running sshuttle?

I ran sshuttle on a server to Nat all of it's traffic behind a proxy server, so in this way I can hide it's IP address. But the problem is that I can not SSH to the server, as SSH will be behind the ...
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2answers
43 views

how do I access linux machines by name on the network?

I run a home office and I have a number of linux boxes and mac machines. I'd like for people to be able to ssh into the various machines without having to remember each machines ip, by using the ...
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1answer
44 views

Running SSH and Samba servers simultaneusly

I have both servers installed and configured on a computer. (The reason I'm not content with SSH alone is that I've not been successful generating and using key files in Android.) However it seems ...
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1answer
37 views

Ubuntu SSH & HTTPS Connection Issues after OS update

So yesterday everything was working great. My Ubuntu 14.04 was updated with linux-image-extra-3.13.0-85.129 update. When I start the computer this morning, I noticed that I can no longer SSH to my ...
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28 views

Allow winscp/filezilla through iptables and fail2ban

I just launched a website within my school community and woke up this morning to logs of someone trying to bruteforce into my server. I followed some guides on digitalocean to set up fail2ban and ...
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1answer
39 views

How to run a command on remote host from a service? [closed]

I have a service in '/etc/init.d'. In that service, I run a command on a remote machine using ssh as a user. Currently I do this in the following way: sudo -u user bash -c "ssh user@172.21.6.70 ...
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3answers
56 views

Shortcuts to SSH clients

I have many remote machines I need to log in. I need somehow store connection parameters because it is too boring enter them manually. Also I prefer to store password in these shortcuts. Software ...
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1answer
57 views

ssh:permission denied,please try again

I am having two laptops both having ubuntu 14.04 LTS and they have wireless connection. When I try to access other system,it says permission denied,try again.What to do? The following after I type ...
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58 views

Using filezilla to connect to vsFTPd

I'm running Ubuntu on a instance on the university server. I've installed vsFTPd and added a new user. I now want to connect from my laptop with Filezilla. At home it works fine with the ip-address ...
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2answers
42 views

juju no route to host

I have set up a system as described below. A server connected to the internet(192.168.16.250) and also to a switch(10.1.1.100). I have nat configured on the switch facing interface and can access the ...
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0answers
18 views

Tile server performance seemling inconsistant with SSH Launch vs 'Local' Launch

I am setting up a Dell PowerEdge R410 as a tile server (i.e. a server which serves web map images á la Google Maps) and experimenting with TileStache -- a Python application which handles HTTP ...
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2answers
40 views

SSH Setup and Key Generation [closed]

I am referring to the following tutorial and following the below steps: SSH Setup and Key Generation SSH setup is required to do different operations on a cluster such as starting, ...
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2answers
62 views

SSH connection trough NO-IP refused

I'm running a little server at my home. As you can imagine, my IP address is dynamic. In order to get a static hostname, I'm using the services of noip.com; I've created a hostname in the website and ...
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0answers
48 views

SSH Into Local Machine Over WiFi and Access To Internet

I have two computers (running Ubuntu 14.04) connected to a home wireless router. I want to login to my laptop, from my desktop, while at home using SSH. Normally I set my laptop to connect to my ...
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0answers
18 views

How to Show History of Port State/Activity?

Let's say I have an open port on my PC like 6789. I use this port for a special purpose. But, suddenly I found the port 6789 is not listed in netstat -ntlp (port closed). How can I see the history of ...
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1answer
51 views

Can I set a computer name alias for ssh connection?

I work with several ubuntu servers and I connect to them from my mac by terminal (ssh). On normal workdays I have up to 10 terminal windows running to distinct servers. The problem is that I easily ...
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63 views

Randomly refused ssh, xrdp, vnc connections in Ubuntu 14.04.4 server

its my fist post in this awesome forum. Im having a problem in a dedicated HP proliant server with a fresh Ubuntu 14.04.4 installed. I dont know why it seens to randomly refuse all attempts of ...
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0answers
78 views

SSH connections cause memory leak in kernfs

I have an issue with my Ubuntu system where memory is leaked each time an ssh connection is opened and closed. I found that the root cause is that after an ssh connection nodes are created and left ...
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1answer
35 views

Cannot delete /etc/init/ssh.override file from ubuntu touch

I have installed Ubuntu Touch on Nexus 4, and I am loving it. I want to ssh into my phone using password, so I would like to delete the ssh override file, which is /etc/init/ssh.override However, the ...
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1answer
32 views

Large number of ssh failures in message log?

I just looked at the message log vi var/log/message2 I am getting a huge number of failed ssh attempts from China, e.g. Mar 27 06:30:42 xxx sshd[10628]: PAM 2 more authentication failures; ...
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1answer
84 views

ssh: connect to host myhostname.ddns.net port 22: Connection refused

I have recently setup a local machine and a laptop, using noip.com, so that I can access the local (host) machine, via my laptop whilst I'm away on a trip - see my previous question here Everything ...
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0answers
34 views

Ubuntu-sdk does not connect to emulator or emulator does not boot properly

I'm trying to learn how to make scopes using the ubuntu-sdk. However, I can't make the emulator work properly, so I can test my work. When I run the scope, the SDK/QT-Creator launches an emulator. ...
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44 views

fail2ban: how to immediately ban those who attempt ssh userid logins

My OpenSSH server is set up to only allow key based logins. I get many attacks each day from bots trying to login using a userid and password. I have fail2ban configured and running already. How can I ...
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1answer
51 views

Issues with grub menu timeout

I recently installed xubuntu 14.04 on my desktop. The desktop has only one drive containing xubuntu, and I often restart the machine from ssh using the command sudo reboot now. However, every other ...
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1answer
60 views

UFW rule doesn't work

At first enable the ufw status. root@sai:~# ufw status Status: active It blocks both incoming and outgoing connections, tested by using ping ssh from both sides not working. root@sai:~# ping ...
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Restricted logins to a specific IP address, seems my IP has changed and now I can't log in. Any way around this?

So I have a dedicated server from Kimsufi.com running Ubuntu 12.04 and I had restricted logins to a specific IP using AllowUsers in the sshd_config file. I restricted all account logins on my dedi to ...
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2answers
44 views

Why is /etc/default/locale not sourced at login via ssh?

I'm not a newbie, yet I've been battling this apparently easy issue for a while. I know how to work around it using /etc/environment or other tricks but I want the vars in /etc/default/locale to work ...
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0answers
76 views

SSH to Beaglebone Black is not successful sometimes

I have the latest version of UBUNTU installed on my computer and the latest version of Debian on my BBB. No problem using puTTY to connect my Windows machines (10, 8, even 7), but when I try using SSH ...
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0answers
22 views

Saving X11 when logging in another account

My problem is I can't use Graphical X11 when I go to other user account through sudo su - some_user. So, firstly I connect to the remote host using the following command: ssh user1@host -P port -X ...
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3answers
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What is wrong in my SSH key generation?

I'm trying to generate a new SSH key: $ ssh-keygen -t rsa -C "newkey" Generating public/private rsa key pair. Enter file in which to save the key (/home/z/.ssh/id_rsa): newkey Enter passphrase (empty ...
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1answer
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Running AWS EC2 [closed]

have a trouble with connecting to ubuntu instance in AWS EC2. Connect through SSH client, but there is an error: port 22: no route to host. How i can solve that problem?
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1answer
43 views

Is it possible to ssh between two different network?

Thanks in advance. Do I want to know that,how can we ssh between two different networks? Scenario: My home PC IP : 192.168.1.106 Home public IP: XXX.YYY.ZZZ.254 My office PC IP: 192.168.10.130 ...
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5answers
119 views

Editing files on server through SSH

I'm working on a web application and all of it's files are on a linux server, which I am accessing through SSH. Is there a way to edit these files in a text editor other than vim or nano through SSH, ...