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

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Locking a folder on a shared linux server

My college has a server set up for students and we all have a folder for our persona stuff on it (access via ssh). So I explored it a bit and found out I can access most of the folders of other ...
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52 views

Recover Server from recovery mode(firewall closes ports)

My server( Ubuntu 14.04 - Plesk - RAID1 ) is now in normal mode. Almost all ports disabled by firewall as plesk port 8443, so plesk login panel is not opening. Also Website is not opening. ...
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19 views

Selenium testing browser against local machine from VM with selenium docker image

I am working on Ubuntu 14.04 notebook. I have a Virtual Machine from Virtual Box. My VM has a docker image of selenium server. I can successfully ssh into the virtual machine and run the docker image. ...
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Login to Ubuntu OS via console (from remote)

I have already asked google for this problem but I could not find a solution yet. Here is my situation: I have a desktop PC in my room which im atm just using to play music. I have no keyboard, ...
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36 views

Server gets overloaded with rsync and stops taking connections

I have a backup server in AWS where I rsync data from 20 servers hourly, so it has a hefty task. For the most part it works fine but then every few hours it locks down and stops accepting ...
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53 views

Ubuntu Server SVN over SSH not working

I am trying to checkout a repository on my computer using: svn co svn+ssh://name@ipaddress/usr/local/svn/repos/testing And I get an error saying this: Unable to connect to a repository at URL ...
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37 views

Ubuntu server 14.04 running on power edge 1950 not connecting to internet

I recently setup a web server to run my owncloud. It was working all fine, until I had a power outage and the server turned off unexpectedly (I don't have a UPS just yet). When I turned it on none of ...
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22 views

Setting up Graphic Desktop --> Can't enter password

I am trying to set up a desktop on a vps with Ubuntu and this is as far as I have gotten I am in SSH here I put vncserver :1 and that is the response. Now the problem is that I can't enter anything ...
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How to save SSH options and connections in Ubuntu?

I have at this time two remote machines to which I am connecting. For one I am using private key with passphrase, and another one I am using root password. Now, when I want to connect to machine ...
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33 views

Cannot access the key generated .pub file

generated keygen files vagrant@vagrant-ubuntu-trusty-32:~$ ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/home/vagrant/.ssh/id_rsa): ...
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27 views

How do I 'scp' between a virtual appliances that are running on different computers?

Both computers are running their copy of the same virtual appliance on Virtual Box which is accessed through putty.exe. I would like to scp a C++ program that I've written on one of the virtual ...
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62 views

SSH myself using public IP address does not always work

I am running Lubuntu 14.04 and have set up an SSH server. It has taken me ages to troubleshoot because of a confusing fact. At home I can SSH my laptop from itself using either my local IP address ...
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126 views

Impossible to connect to server through SSH with Filezilla

I have a Debian server which had a HDD failure and was re-installed identically (same hostname, same IP, same distro). I used to be able to connect via SSH using Filezilla from my Ubuntu desktop but ...
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164 views

client authentication via sssd/ldap

I'm struggling with an annoying server (14.04.03) setup. We basically want to enable users login via sssd/LDAP, so they can access the machine with ssh. I've followed various tutorials (e.g. ...
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21 views

Log on with two accounts on SSH with one port?

I'm wondering if logging into SSH on the same VPS using the same port will cause some issues with my server. After attempting to log in with the second user, I now cannot log in with the default ...
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38 views

Apache2 runs but is not working on Ubuntu VM!

I set up apache2 on an Ubuntu 14.04.03 VM. This is a VM hosted on a university server and I can only SSH to it (from my office/home computer). Apache seems to be running OK when I run this command: ...
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52 views

Cannot connect remotely to either MySQL or Postgres

I am trying to connect remotely to the MySQL database on my cloud server which is configured with Ubuntu 14.04.03. However I cannot do so (details below). I can neither connect from a Windows client ...
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22 views

Thunar fails to reconnect broken ssh connection?

When I open an sftp connection to a server with Thunar, and this connection is broken for some reason (either the server kills it because of inactivity, or the connection is lost), then when I try to ...
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69 views

External ssh not working (port already forwarded)

I'm setting up my first home server from an old pc. I've installed Ubuntu Server 15.10. I've been trying and doing some research but I couldn't make the SSH work from an external computer, it always ...
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21 views

During VNC/SSH, push VGA output from host machine

[Very short version: Is it possible to "push" video from the VGA port of a host machine while accessing said machine via VNC or SSH?] I have been experimenting with an old ThinkPad T60 laptop as a ...
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44 views

Conditional shell script execution on NAS

I've got NAS, more specifically QNAP TS-251 running Ubuntu (but kind of modified one - it doesn't have terminal). Since none on QNAP forum was able to answer me, I've decided to create a post here. ...
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19 views

Run a process as SSH starts

I would like to run a process as SSH is completing its handshake. Are there any events that I can subscribe to? I would also like to get the PID of the ssh connection. How should I approach this ...
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79 views

SSH secure shell not working with vim colors

The script: 256colors2.pl when run from putty returns the correct colors, from SSH secure shell nothing happen, it doesn't open, on-screen appears nothing. user@ubuntu:~$ ./256colors2.pl ...
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126 views

sudo ssh-add /root/.ssh/id_rsa return error

I m trying to save ssh authentication with the command ssh-add for sudo usage: linux$ sudo ssh-add /root/.ssh/id_rsa Could not open a connection to your authentication agent. but as indicated it ...
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37 views

Crash X manually

I'm working on a the famous freezing of X server. I've already created a question about frozen X server detection As I don't have relevant answer yet, I'm wondering if anyone knows a way to ...
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260 views

ssh as socks proxy - channel 5: open failed: connect failed: Connection refused

I experience difficulty using ssh as socks proxy. Some details... I connect to remote host using yakuake ssh user@remote.host.domain -D5902 also I use 127.0.0.1:5902 as my socks v5 proxy in ...
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34 views

Control a script that runs at start-up through SSH

So I have a server running that runs a few scripts automatically at start-up. They run a few programs that allow you to execute commands from them. This has been going fine but now I am wondering if ...
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16 views

How can I copy an SSH private key from a USB memory stick to a new Ubuntu machine? [duplicate]

I have some private keys on a USB stick. I want to copy them into a new Ubuntu machine. I realise I could just create new keys, but it is annoying for me to have to do that. I am using a LiveCD ...
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38 views

SSH forward of remote port to radicale server port (bind: Address already in use)

I used to use ssh to forward the remote port 5232 to the same local port on which a radicale DAV-server is running. I used to do this on Ubuntu 14.10. Now, on Ubuntu 15.10, this does not seem to work ...
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28 views

Server goes in hung mode and can't be accessible through ssh

One of my virtual server running (Ubuntu 14.04.3 LTS) goes in hung mode and can't be accessible through ssh.once we hard reboot the server it comes up again and accessible through ssh. Attached snap ...
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27 views

Messed up permissions

I tried to remove file permissions for 'other' from all user directories. So I did cd /home/ Then Instead of sudo chmod -R o-rwx * I typed sudo chmod -R o -rwx *, which resulted in some troubles. ...
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36 views

Ubuntu Server 14.04.3 i386 won't install on 32bit CPU

As title says, I downloaded 14.04.3 i386 and it tells me that I can't install it because I don't have a 64bit CPU yet it's 32bit OS? I think my CPU is 32bit aswell, I'm un-sure at this point, so I'm ...
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37 views

MAAS Deploying nodes hangs after SSH Key is shown

Everything was working fine, and then some configuration got changed that now has new nodes failing to finish being deployed. They get to the point where the SSH key is shown, with some Could_init ...
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31 views

soft/hard behavior of distributed mpi process

I use Ansys FLUENT software frequently and for huge cases I use its parallel option. I saw that running parallel jobs in windows OS behaves similar to soft connection(when a node connection drops, it ...
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Restrict Other folders in jailkit

In the jail kit, I don't want to see the following folders bin dev etc home lib64 usr Only my home directory. how can i do this. Thanks.
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Unable to move files of 10gb+ via Samba

Yesterday I set up an ubuntu server with the newest OS etc. I selected SSH, and samba file server aswell as basic features when I installed it. I updated / upgraded / dist-upgraded and then wanted ...
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45 views

Keeps asking for password or passphrase after copying sshd_config and id_rsa and id_rsa.pub keys

I have recently had to reinstall ubuntu 14.04 and copied the /etc/ssh/sshd_config and all ~/.ssh/* files from the backup I had. I was hoping this would reinstate the system as it was without having to ...
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25 views

How can I use the host's keyboard for a 'remote' SSH session from a tablet computer?

The perhaps slight odd requirement is this: I have a computer running Ubuntu I have an iPad from which I can SSH into said computer I'd like to use the iPad as an extra terminal screen Things I ...
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77 views

how to automate ssh login with password and ppk?

Hi I would like to automate my ssh, where frequently I use to enter my login name, password and attach a ppk file to enter into my server. Is there any way to automate this process using python, ...
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64 views

I need a chroot user to now have ssh public key access

I have previously setup a chroot to lock sftp users to their home directory only. So I have this in sshd_config Match User theuser ChrootDirectory /home/theuser AllowTCPForwarding no ...
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What exactly do I put in the SSH section under MAAS and how do I create it?

I am pretty new to Linux but have dabbled in years passed. After coming across Ubuntu Autpilot I decided to give it a whirl. After much messing around and getting stuck I finally got a working copy of ...
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54 views

ssh session (from ubuntu to centos) prompt delayed after a while

I do a lot of work on a centos (7.2) machine into which i ssh from an ubuntu (14.04) machine. Everything works fine, almost. But after a while on the remote, usually a couple of minutes, I have to ...
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38 views

Using multiple SSH keys

I have an Ubuntu 14.04 server with one SSH key set up. Connecting with that key works as expected, no problems. I'm trying to add a second key, however, and I can't get it to work. My authorized_keys ...
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162 views

Terminal: Check the status/progress of a running application?

Let's say I run a process on machine 1: sudo badblocks -sv /dev/sdb and I'd like to check the status of that running process on machine 2. Of course I'd SSH into that box, but what kind of Terminal ...
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96 views

Vagrant up (with Ansible) problems. Failed to boot the virtual machine

I'm using ubuntu 15.04, and i wanted to install vagrant with ansible. When i vagrant up i get the following error message: This is my vagrant file ==> default: Successfully added box ...
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22 views

Put a long process without necessary power on pc [duplicate]

I have two pc on my home network. One of them is the Raspberry Pi. The Raspberry Pi has static IP. I connect with it, through my another pc, with ssh user@ip. But if I put a long process run I have to ...
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Rsync and ssh on bakop.com

unfortunately the bakop guide doesn't provide enough information on how to control my account via 'SSH + Rsync ' I want that command : Checking the existance of a File/Directory in the server ...
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47 views

So many users on ZFS pool? Cannot kill them all :( Cannot export pool :(

Hoping someone can help me. I am trying to export my ZFS pool so I can upgrade my Ubuntu from 14.04 to 15.10. I tried doing do-release-upgrade, and lost my pool, on discovering instructions, I have ...
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67 views

can't access my Ubuntu server after I changed the SSH port

I can no longer access my digitalocean server running Ubuntu: I changed the SSH port from 22 to 36734 this way: nano /etc/ssh/sshd_config and I changed the port from 22 to 36734 Then I ...
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Ubuntu screen does not start

I am working with 2 machines. I have installed Ubuntu 15.10 in Machine1. I access the Machine1 by SSH from Machine2. So Machine1 remains in idle mode. So after some timeout the Machine1 shows login ...