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

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Logging into WordPress using SSH

I've got a WordPress test server installed on the local system on Ubuntu Server 14.04. I want to use SSH rather than FTP to access the wordpress site, install plugins and so on. I've followed this ...
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10 views

Restricting users to their web directory [duplicate]

I need to setup SSH/SFTP user access for two separate accounts and have them access a specific web directory and not have access to the rest of the server. What I tried to no avail: I modified the /...
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2answers
154 views

sshpass broken since ubuntu 16.04

Since I upgraded to 16.04, the following command fails: sshpass -p password ssh user@host with the error: Could not create directory '/home/mylocaluser/.ssh'. (~/.ssh folder already exists). ...
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23 views

SSH bash 24: command not found

I am trying to setup cross compiling with Ubuntu vm and beaglebone black debian, after writing C++ script and sftp the file to the BBB I tried to SSH to the BBB. The error I get when i put the correct ...
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1answer
59 views

Setting DISPLAY=:0 has no effect to notify-send via ssh

I have ssh access to my flatmate's computer (Ubuntu 14.04). I want to send her a message via ssh, thus I use this command export DISPLAY=:0 && notify-send "sample message" The command exits ...
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2answers
50 views

CronJob to copy a directory on a remote server

I Need to create a Cronb that will run daily on my server and will ftp into a remote server with a username and password. It will copy a directory on that server and copy it onto a directory on my ...
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2answers
343 views

SSH from my Mac into Ubuntu: X forwarding not working correctly?

Running a Mac Pro, OS X El Capitan 10.11.4 With ATI Radeon Graphics card, and XQuartz v 2.7.9 I am able to run qdec and freeview perfectly fine on my machine. The problem comes when I attempt to SSH ...
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1answer
184 views

Ubuntu 16.04 ssh lag issues

really frustrating bug right now, that I cannot find the cause of. So I have a server on digitalocean that I serve my site on. but since switching from windows to Ubuntu 16.04 there has been random ...
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1answer
73 views

How to update Remote SSH Protocol for PCI compliance

I'm trying to update my linux server to the latest SSH (7.2) to comply with PCI. I successfully updated it locally but I can't work out how to update it remotely and the PCI check still fails. When ...
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1answer
33 views

SSH Login With Security Question?

I Don't Know If This Is Possible. But Can i install anything or is possible to create any script which will be executet after i will login on my Ubuntu Server As Root?! An script with Ex, 3 security ...
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1answer
66 views

Cannot access Ubuntu server using SFTP. No writing perms?

I've opened an Ubuntu instance in EC2. I've installed Lamp environment and wanted to test it. I want to use SFTP to access it. In my security group, I've opened port 22 (SSH 0.0.0.0/0), it is the ...
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1answer
55 views

Error conection ssh after jail user of ssh-sftp

What I want to: I want to create a user to access to /var/www/laravel I create a user demo, I followed this tutorial https://support.rackspace.com/how-to/how-to-add-linux-user-with-document-root-...
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1answer
83 views

SSH - Reallocate Disk Space

I understand that this is a question that is asked quite often, but unfortunately most answers involve using a LiveCD which in this case isn't possible. I'm currently using a dedicated server running ...
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30 views

All users were deleted from the server

I restored the access using recovery, but something weird happened: all users, except root and ram were deleted from the server, could've been that system was compromised, but nothing else is touched ...
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33 views

x11vnc configuration with SSH

I have followed after those steps of setting up the x11vnc, Run the following to install: sudo apt-get install x11vnc sudo x11vnc -storepasswd **yourVNCpasswordHERE** /etc/x11vnc.pass sudo nano /lib/...
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1answer
76 views

How to only allow access to web server through SSH?

My goal is to have a web server on my PC (running Ubuntu 16.04) that only I can access through SSH so that even people on the same network couldn't access the lighttpd server. SSH has been set up ...
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24 views

FireFox, ssh tunnelling not working

I have Ubuntu 14.04 installed on a virtualbox vm. Set up ProxyCommand and it seems to work fine in order to connect my jumpbox before connecting to server1. So from localhost I connect to Jumpbox the ...
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44 views

Knockd not recognizing knocked ports Ubuntu Server

I've got a server with knockd running. When ports 7000, 8000, and 9000 are hit, knockd is supposed to insert a rule into my iptables firewall and allow the connection to reach a port (22). For some ...
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3answers
182 views

Cannot connect remotely using ssh

I have recently installed an ubuntu 16.04. I have installed ssh server and the sshd service is up and running. I have some other PCs in the same network (windows, mac, ubuntu 14.06) and I can ping ...
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37 views

How to set up X11 forwarding in byobu inside a LXC container

I currently SSH into a LXC container running in a Ubuntu host machine. I have managed to set up X11 forwarding from the container to my local machine but when I start byobu (inside the container) the ...
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1answer
44 views

How to connect via ssh and use gcc on target?

I would like to do two things automatically within a bash script: Connect via ssh to my target. Execute gcc. My script looks like this: ( echo "cd myfolder" echo "gcc -o mybin ...
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1answer
100 views

SSH connection timed out externally, but works internally

Recently I tried to set my Ubuntu 14.04 desktop computer (I will call it "computer A") as a ssh server so I could access it remotely from my laptop (I will call it "computer B"). I installed openssh-...
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52 views

Cant SSH to remote server trought VPN

Currently am running Ubuntu 16.04 with installed and configured CiscoAnyConnect VPN. When I connect to VPN, I can't ssh to remote servers. SSH is just standing and nothing is happening. I can ping ...
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41 views

Apache2.4 PHP 5.6 Ubuntu 15.10 No Input File Specified

I am running a VPS with Ubuntu 15.10 using Apache 2.4 as my web server and I am kind of new to servers and stuff but I am currently creating an API. I first did this on my localhost. This worked ...
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17 views

Can I use a UDP connection for the “Connect to server” option in file manager?

I work a lot on remote mashines and like to bookmark them in my file explorer using sftp://user@host/initial/dir syntax. In unstable networks, this connection keeps breaking off an I have to re-...
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2answers
51 views

How to expose ssh to the internet?

I run the search on google and ALL I can find is a bunch of nonsense about how dangerous it is to do this with only a password...followed with a link to the instructions on the ubuntu website for ...
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27 views

Check status progress on running rsync

I have started a rsync task via terminal on my local ubuntu machine to copy files from one local HDD to another local HDD with the command rsync -a --progress source destination. Hence I am able to ...
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1answer
120 views

Cannot SSH into server from one particular computer (connection closed/did not receive auth string)

I'm having trouble using ssh to access a server that I recently set up with 16.04, but only from a specific computer (my laptop). When I run ssh -vvv -p sshPort user@host, I get this output: ...
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24 views

Autossh fork after entering password

I have an SSH tunnel that I run with autossh to keep it going reliably. The only issue I have is that I have an encrypted private key which I use to connect. If I want to fork my process to the ...
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6answers
4k views

Personal computer hacked: How do I block this user from logging in again? How do I find out how they are logging in?

I am 99.9% sure that my system on my personal computer has been infiltrated. Allow me to first give my reasoning so the situation will be clear: Rough timeline of suspicious activity and subsequent ...
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1answer
129 views

Send ZFS snapshot to remote machine

Edit: This question originally focused on the issue of reversing the direction of the ssh connection on the transfer, but I came to realize that wasn't what was causing the problems I run into, so I ...
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223 views

sshd in Ubuntu 16.04 - login takes very long

I've seen ssh logins take some seconds many times before in the past. I always found that inappropriate. After I reinstalled my workstations with Xubuntu 16.04, this effect became really disruptive. ...
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22 views

MPI-programm tries to access via ssh(?)

I got an MPI code which I can't get running. All needed libraries are installed and compiling works with no problem. But when I start the code mpirun -n 2 ./a.out the terminal freezes after some ...
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1answer
87 views

How to ensure user separation on an old school shell server

I want to run an old school shell server for a couple of people, ie. one where users get ssh access so they can run software (their own or provided). My concern is appropriate separation between users....
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18 views

Use vpnc For Specific URL And Port

I'm on Ubuntu 14.04 and I use vpnc client to connect to a client's network. However due to this all of my traffic (web browser, streaming, skype, etc) gets routed through the VPN even though I only ...
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47 views

HDMI screen gives “no signal” but VNC screen shows window manager correctly

My Ubuntu 12.04 kernel is running perfectly fine and even the desktop shows in all its glory when I connect via a VNC client from my Mac. It even recognizes my HDMI monitor that is physically plugged ...
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1answer
108 views

can't ssh into remote machine using blowfish

I have a remote machine I need to ssh to using blowfish encryption. I set everything up on my laptop on my previous distro and I have in my config file setup for blowfish. Today I install Ubuntu Gnome ...
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3answers
6k views

Ubuntu 16.04 ssh: sign_and_send_pubkey: signing failed: agent refused operation

I just upgraded my Ubuntu System from 15.10 to 16.04 by completely wiping the Ubuntu 15 partition from my system. After installing Ubuntu 16.04 I recreated my ssh keys as I forgot to back them up, ...
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1answer
40 views

Not able to ssh as root on 14.04.2

I have done all the workarounds, yet, I am still not able to ssh as root. I have already modified PermitRootLogin to yes, and I have reset ssh services. I have even rebooted the VM, but it is just not ...
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How to export the gui of an already running program to the remote computer via SSH? [duplicate]

I have pycharm on my desktop and I would like to access it from my laptop over ssh without having to close pycharm on the desktop (since I frequently have long tasks running). Currently, I am able ...
3
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1answer
2k views

vagrant box for ubuntu/xenial64 and putty on Windows 10 host

I am using vagrant to run some virtual machines on my personal laptop (Windows 10). I have already installed ubuntu 14.04 and centos on this laptop and all works as expected. Today I tried to ...
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1answer
73 views

Still being Prompt for Password After enabling Public Keys

When I added my public key into my .ssh/user/authorized_keys file and I saved and restarted my server it gave me this error: initctl: Unable to connect to system bus: Failed to connect to socket /var/...
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1answer
109 views

xrdp on ubuntu server

I have set up xrdp on my ubuntu server 15.10, with mate desktop environment and it all works fine and dandy. Except for when I enable UFW. I have the following ports allowed all tcp 2222 (ssh) 3389 ...
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2answers
1k views

Can not install openssh-server on Ubuntu 16.04

As a fresh new install of Ubuntu 16.04 sudo apt-get install openssh-server outputs Also it is a fress install I could not understand why this happens. dpkg -l openssh\* Output is If ...
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14 views

IP changed and can't start Xwindows now

Client PC: Windows 7 with Putty 0.63. The IP changed on this PC. Ubuntu 14.04 Ubuntu shell: bash On client PC the Xwindows server is Hummingbird Exceed v14. All this worked fine until my client IP PC ...
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91 views

cannot ping or ssh, can connect to localhost

I can connect to the localhost using: ssh root@localhost However, when I try to connect to my Amazon EC2 instance using ssh, it says: ssh: connect to host <host_name>.us-west-2.compute....
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1answer
46 views

Agent admitted failure to sign using the key

After a fresh ubuntu install, it seems I can't use any bzr branch commands. I get the following error: Agent admitted failure to sign using the key. Permission denied (publickey). ...
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66 views

How can a user account be disabled?

I've had a Ubuntu 12.04 LTS VM machine running my web sites for the past 2 years, on Windows Azure. I hadn't logged in for a few weeks, and today I tried to log in, via PuTTY/SSH username/password, ...
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1answer
59 views

How to tell git not to use rsa key but username + password

I guess I messed with my ssh configuration. Lately I cannot clone a local repository anymore. It seems like the git repository is accepting both publickey and password but instead of letting me ...
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1answer
54 views

How can'i pass this “ openssh-client' has no installation candidate ”

I am trying to use ssh command, but I have this: sudo ssh git-codecommit.us-east-1.amazonaws.com [sudo] password for dali: sudo: ssh: command not found So when i am trying to install openssh-...