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

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Can't connect to ssh server by global IP address when not on the server's Wi-Fi network

When on the same network it works fine with either the global or local IP address being used. It trys to connect but it returns this error after a while of trying etimedout (connection timed out). ...
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6answers
17k views

SSH server not working (respawns until stopped)

I have a running Ubuntu Server 10.04.1. When I tried to login to the server via ssh, I could not. Instead, I got connection refused error. I tried to ping the machine and I got reply! So, the clear ...
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Why would Ubuntu fail only occasionally to prompt for a SSH passphrase to unlock my SSH keys?

For some reason, 1 out of every 5 times I start up my box, when I go to access a repository through git or ssh into my server, the system will fail to ask for my passphrase and go straight to denying ...
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6 views

Have to re-add ssh keys to ssh-agent every time in yakuake

I just recently changed over to KDE and installed yakuake as my terminal and every time I fully exit yakauke or restart I have to restart my ssh-agent and re-add all the ssh keys to the agent. Why? ...
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i am unable to run ubuntu webserver online with private ip address provided by virtual box

i have installed the ubuntu server in virtualbox and virtual box network settings are in NAT .for that virtualbox is providing the private ip address for server to work online but iam unable to ...
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6answers
81k views

SSH Permission denied (publickey)

I have tried searching previous questions for answers to my question but all of the answers that have been suggested previously haven't worked for me. I am trying to connect to a linode (running ...
8
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5answers
441 views

Permanently store values when using the terminal

I have a few remote servers which I connect to through the terminal. The servers don't have a domain, only an IP address which is hard to remember when I got a few of them. Is there a way to ...
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0answers
11 views

Wrong home dir in sftp

I set up an sftp server with openssh but when I connect to it I cannot browse my folder. The answer to pwd command is: / What is my error? Here is my configuration: Added in /etc/ssh/sshd_config: ...
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0answers
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What are the directories and files that I should keep in sync for a cluster server

I am currently wanting to set up new clusters. Each cluster is defined by its software installed, software settings, and its home folder files. I want only the above to be cloned and not things ...
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259 views

SSH Connection closed by remote server for one client but no problem with others!

I have a remote server and I was able to connect via SSH to it but some they I could not any more! I ssh to server with my laptop and my Android phone but from some day every time I am trying and the ...
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1answer
12 views

Need run scripts as different users on same host to different hosts without password prompt

I need to run scripts with different linux users on same host to different hosts without password prompt. In other words, the deferent users are on a source host able to login (ssh/scp/other shell ...
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71 views

Someone somehow gained access to my system and ran malicious software off of it

I run game servers off of my Ubuntu 12.04 dedicated server and I just got home from work to find out that someone somehow gained access to my dedi, ran a malicious gameserver from it that installed a ...
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3answers
5k views

How can I use a passcode generator for authentication for remote logins?

I would like to strengthen the authentication of my SSH logins by adding another factor: a passcode generator device, or a passcode generation application on my mobile phone. The only obvious options ...
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1answer
3k views

Connection mystery with ssh

I've run into a problem with ssh that has me completely stumped (and our department IT guy as well): Up until a few days ago I had no problems accessing my files on our departmental server (university ...
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1answer
2k views

Setup my ssh server, can't connect remotely

I installed openssh-server. I am able to ssh into the server via my ehternet local network, I can ssh from the local host. I have set up port forwarding on my router. I have run 'sudo ufw allow ...
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24 views

Can't ftp into chrooted user through vsftpd (sftp only - which works through open-ssh) with home created in /chroot/home/user2

I have a Ubuntu 14.04 server running, with 2 users: user1 and user2. I have ssh working fine for both users using ssh-keys for both, ftp only works for user1. user1 is not chrooted. user2 is ...
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12 views

SSH - after login: wrong elf class

I'm running Ubuntu 14.04. When I login on a remote machine using SSH. The login works, but I can't execute any commands. I always receive this error mesesage: ssh: error while loading shared ...
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1answer
21 views

Can't view Ubuntu Server (VM) in browser, I can connect with SSH

I can't seem to be able to access my php files in a browser from my external ip. I have a Ubuntu Server VM set up on my Windows desktop. I also have a Windows laptop that I use (99% of the time, it's ...
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3answers
85k views

How to set up remote desktop sharing through SSH?

Is there a way to view (and control) a remote desktop through SSH? I will not have physical access to the remote host machine.
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1answer
3k views

How to acquire a remote host fingerprint that is not in known_hosts?

ssh-keygen -l -F host will print out the key of a remote host, but only if the host exists in known_hosts.Is it possible to request a fingerprint from a host that isn't in the known_hosts file? ...
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0answers
12 views

Unable to SSH to uploaded Ubuntu VHD on Azure

I was provided an ova Ubuntu 32-bits VirtualBox image, and I uploaded it to Azure using the following steps: Loaded it on VirtualBox then saving it into a VMDK disk Converted it to VHD format ...
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7 views

Not able to see maas controller in virsh list --all command

I have a test environment on my laptop, installed Ubuntu 14.04 Cloud MAAS in a VM, I have followed all steps as Ubuntu site suggested, SSH key generated, added on host [other VM machine with IP ...
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1answer
727 views

SSH connection reset by peer after 11.10 update. (Proxy Issue)

My work computer sits behind a proxy (I know thats where the problem lies.) I was running 11.4 and using ssh to establish a socks proxy to my server at home. I can still connect to that server from ...
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2answers
3k views

Ubuntu 14.10 server startup

I install just the OpenSSH server on hardware that was running 14.04 Server. Besides the pages of checks the startup goes through, I believe it should recognize scroll lock from an usb keyboard, but ...
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1answer
19 views

Cannot ping domains and ips from ubuntu server

I have a Ubuntu server which is running without any issues for the last one year.But now there is a wired issue caught my server and take server offline frequently. I can connect server via VNC ...
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2answers
4k views

How to use rsync via ssh with rsa key passphrases?

How can I use rsync with passphrases? All googled "solutions" i found use passphrase-less keys which seems no real option. i am runnning 2 ubuntu servers 12.04.2 LTS.
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1answer
13 views

Server tries to connect to other servers

I have an Ubuntu 14.04 server and I have discovered in the /var/auth.log that it tries to connect to other servers. This is the log file: Aug 31 08:04:49 server_name sshd[16316]: error: connect_to ...
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1answer
19 views

AWS/EC2 ubuntu and ssh for users other than ubuntu

Ubuntu on EC2 creates a user ubuntu by default. I can set up SSH keys with PuTTY and login in just fine. I've created two more logins but cannot use same PuTTY configuration to get in. I've dug around ...
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16 views

Can no longer type in login shell

I attempted to ssh into my work computer from home this weekend and everything was going fine at first. However, I am normally used to having several terminals open at once, and it was a little ...
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1answer
16 views

Change of graphical text interface, to completly text interface

I'm working on some new project and I will use some PC with Ubuntu Server 14.04 on it as main server. Everything after install will be done through ssh. I already created virtual machine for editing ...
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1answer
52 views

Connect to Ubuntu Server over SSH and having root permissions

Is there a way to connect to Ubuntu Server from a desktop Ubuntu using Nautilus, and having root privileges when you connect? I need that, because I have a Wordpress website on the server, and I need ...
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22 views

Enable GUI on some applications accessed via SSH/remotely on a Ubuntu 14.04 (headless) server without having to install any desktop?

Is it possible? I think so, but in that case, what packages should be installed in that case (both server and clients)? I'm not sure this is possible since every time I've needed to do something ...
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running OpenSSH on Mint [migrated]

So I've isntalled OpenSSH on Mint rafaela 17.2, but it doesn't seem to be running. Not sure why service says its up, but I don't have a PID, don't have a listener, and can't connect at all... ...
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1answer
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Failed: OS X using SSH login Ubuntu remotely

I want to use OS X remotely access to a Ubuntu computer via SSH. I have already installed openssh server (sshd) in Ubuntu and ssh client in OS X. I can ping ip address from OS X I can ssh user@ip ...
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NFS directory content doesn't show

I used the instructions here. Here is what I have in etc/exports: /media *(rw,sync,no_root_squash,subtree_check) and here is the command I use for mounting on the client: sudo mount ...
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Setting-up rhosts with OpenSSH?

I rent a couple of VPSs running latest Ubuntu, both with OpenSSH. I'd like to try password-less login using .rhosts/.shosts. I know this is not recommended, and that it's better to use public-key ...
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19 views

Problem connecting with a server only in one computer

I'm trying to connect to a server but y only obtain this: $ ssh user@server.direction ssh_exchange_identification: read: Connection reset by peer when I run the -vv option I get this $ ssh ...
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2answers
538 views

Permissions denied to owner, although it is set to 666 in .ssh directory

I recently messed around with the .ssh directory. Made some permission changes, I think and now it won't let me access it anymore. I can access it as the root user (sudo -i) but not as somesh I get ...
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1answer
47 views

Need a web shell

I'm looking for a web service that hosts a simple shell that I can use. I need to be able to update the server through it and such. Many of the links in a previous incarnation of this question (see Is ...
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32 views

Problem with ssh connection

I can't connect to my vps via ssh-client on ubuntu and Putty(wine), but I still can connect to any other servers via ssh! Here is server-site tcp dump 18:58:39.886915 IP 192.168.255.253.45623 > ...
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2answers
25 views

Secure and automatic backup with rsync

I sync files on a few different devices with a remote ssh server using rsync. The problem is that I sometimes forget to sync a device on which I've modified a file and this makes things complicated. ...
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How to SSH into Touch device without Android toolset?

I would like to access my new Ubuntu phone by SSH over a USB cable. Apparently this requires adb, which is not available on my OS, Debian 7. The simplest way forward seems to involve a backports repo ...
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How to install Grub from Ubuntu?

Am new to this. Trying to set up a headless NAS machine. So I created a bootable USB Ubuntu 14.04.3 LTS with persistence and SSH setup using my MacBook Pro. So how do I make it such that when I ...
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2answers
24 views

Copying exact amount of files via scp

I'm copying pictures form my iphone via scp, where filenames looks like this IMG_3134.JPG. And let's say I'd like to copy files from IMG_3094.JPG to IMG_3134.JPG. Using special characters like * or ? ...
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3answers
37 views

Not able to ssh localhost in ubuntu 14.04

Not able to ssh localhost in ubuntu 14.04. Tried with ip also : ashish@ashishk:~/chef-repo/.chef$ ssh ashish@localhost Permission denied (publickey). ashish@ashishk:~/chef-repo/.chef$ ssh ...
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3answers
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Is there a secure web-shell for my server?

Following the security principle of trust no one, I can't use a service like http://www.serfish.com/. Is there a free software program that I can install on my Ubuntu server to give me secure shell ...
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16 views

Problem to login facebook after changing/reconfig ssh

I have connect to facebook after reconfiguring my ubuntu's ssh with this code: $ sudo dpkg-reconfigure openssh-server $ sudo service ssh restart then I can't log in my facebook account anymore and ...
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1answer
25 views

X11 forwarding MATLAB under Ubuntu 15.04 leads to issues with text visualization

I am using ssh -Y to connect to a remote cluster from a laptop running Ubuntu 15.04, and when I launch MATLAB version 2013a or later, text is incorrectly displayed (e.g. in the editor, portions of ...
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No GUI in Ubuntu 14.04.2 after attempting to install Ark Server

I was attempting to follow this guide on how to set up an Ark Survival Evolved Server (including the bits recommended on Steam's website). I now get a black screen with no access from the Ubuntu ...
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2answers
22 views

Unable to connect via SSH from my PC

I am having problems to connect a Linose server via SSH from my ubuntu console. I can connect from other PC's to the same server. When I run: $ sudo apt-get install openssh-server ssh stop/waiting ...