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

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Stopped accepting connections from outside the local network

I have multiple services running on the server: https/XMPP/SSH. I have logon to the http server over the WAN once today but now nothing is able to connect. Now I'm at home and I've tested it again, ...
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40 views

ssh hangs if remote machine is switched off

I want to log the status of a particular interface in my remote machine periodically. The following code does the job. #!/bin/bash while [ "1" ] do ifconfig usb0 &>/dev/null if [ "$(...
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74 views

Reboot Into Command Line - SSH

I'm using Ubuntu 15.04 I am working on my machine remotely via SSH - I am trying to install some ATI drivers for my graphics card however I need to run the installation without an X server running in ...
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89 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: / and to ls command is: remote readdir("/"): Permission denied [added after ...
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200 views

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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57 views

Lock user screen with custom full screen image and prevent unlock using ssh

I want to connect to a computer using ssh, lock the computer's screen by displaying a full screen custom text/image and prevent user from doing anything until I unlock the screen again using ssh. How ...
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96 views

Ubuntu machines cannot connect to each other on the same network

I'm having trouble with Ubuntu machines not cooperating on my home network. The network structure is VERY simple. It's simply two Ubuntu machines (one running XBMCbuntu on 14.04, the other Ubunutu ...
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366 views

why can't I ssh into my aws ec2 instance? Permission denied (publickey)

I created two ec2 instances, and was able to ssh into the first two fine. After creating the third, I get this error upon trying to ssh into any of them. This is what I'm running: ssh -v -i /Users/...
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798 views

How to use redsocks to redirect all internet traffic to ssh tunnel?

I have an OpenWrt router with the IP of 192.168.1.1 and I wanna redirect all the internet traffic to my ssh tunnel, this is the ssh command that I use: ssh -o "ProxyCommand corkscrew 127.0.0.1 3339 %...
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69 views

Weird bug with SSH, Unison and Samba?

I am running two servers, one at home (Server 1) and one at the office (Server 2). Both of these servers run a couple of Samba share directories which are synced every 30 minutes with Unison - the ...
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81 views

ssh stopped working due to roaming

I've got an openssh sshd/client installed on my laptop, but I can't connect to any servers from this machine. whenever I try to, it just hangs like so: http://paste.pound-python.org/show/...
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592 views

ssh connection to xxx closed by remote host

I have a admin server A which have root ssh trust for all other servers, and A can ssh most other servers without password, but for server B, it always says connection to B closed by remote host. ...
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81 views

Playing Rhythmbox through SSH

I am trying to start Rhythmbox by remotely accessing my Ubuntu 15.04 machine through SSH. Problem is when i create a new instance of Rhythmbox and play it, it works fine. Here is how i am doing it. ...
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142 views

chromium browser remotely launched error

I logged into a remote server using the -X option in the ssh command. After trying to open the chromium browser i get the following error: $ chromium-browser Gtk-Message: Failed to load ...
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173 views

Reverse DNS Lookup on ubuntu inside virtualbox

I'm using Ubuntu 12.04 inside virtualbox on win7 using NAT for networking. I had to run the command : VBoxManage.exe modifyvm "Ubuntu" --natdnshostresolver1 on Which basically tells the guest to ...
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498 views

Beaglebone: usb0 interface not showing up

I recently installed Ubuntu 14 on my BeagleBone from armhf.com. However, I'm unable to ssh into my Beaglebone over USB. Running ifconfig, I discovered that there is the usb0 interface is not showing ...
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172 views

Why does ssh prompt me every time for the passphrase when ssh-agent is running?

After reinstalling Lubuntu Vivid Vervet on my computer, whenever I try to ssh into something, it asks for my passphrase. Before the reinstall, it would give me a graphical prompt for my passphrase if ...
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121 views

Connect To Lubuntu Server Via SFTP From Web

I have a Lubuntu machine which I use as my main home file backup. I have a Wordpress blog which I would like to backup using a plugin. The plugin allows backup to FTP/SFTP, so this seems the best ...
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659 views

MAAS/VirtualBox Calling 'http://169.254.169.254/2009-04-04/meta-data/instance-id' failed and SSH fails

Setup For testing purposes, I installed MAAS in a VirtualBox VM and I want it to PXE boot a second VM. Both VMs are connected to a VirtualBox internal network. The MAAS VM is a Ubuntu Server 14.04....
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168 views

Enable shutdown from another computer on LAN without entering sudo password

I'm trying to execute this script from my laptop to shutdown the server without having to enter the sudo password. (Both are running Ubuntu 14.04.2 LTS) ssh -t lachlan@192.168.0.xxx sudo shutdown -h ...
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290 views

Can't SSH with Key Authentication

I created an RSA keypair using ssh-keygen on Ubuntu Desktop 14.04.2 LTS ssh-keygen -b 2048 -t rsa -f ~/.ssh/<keyname> -o Than I added the public key to the remote Ubuntu Server 14.04.2 LTS ~/....
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31 views

Accessing XBMC on a computer withssh server

I have XBMC installed on an Ubuntu computer (as a program, not "Kodibuntu"). The Android remote app for XBMC is not able to connect to the server even after I disable the firewall. I suspect this is ...
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317 views

Why do I have to set usePAM to 'no' to manage a ssh connection?

I have a system user named user1 (the main one). I've tried to set a ssh connection between a user named foreignuser and the main one (user1). For that, I've generated a couple of keys with ssh-keygen....
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162 views

SSH denied after messing with fstab

Goal: repartition one big 5TB /home partion into separate partitions on a remote Ubuntu server. Approach: I took a backup of /home, then erased the partition in gparted and created new partitions, ...
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352 views

ssh error: PTY allocation request failed on channel 0

Suddenly I cannot access my server via ssh using my ssh-key. I can confirm that my ssh key is ok (tested with another server). For some reasons ssh asks user password, and even if I enter my password ...
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122 views

How to forget sftp password in Nautilus (none in seahorse)

I added the entry sftp://daniel@<somedomain> to my bookmarks in Nautilus. The first time it was accessed it asked for the password but never after that. I cannot remember which option I selected ...
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847 views

Apache no longer starts (AH02238: Unable to configure RSA server private key)

My Apache Server no longer starts. Checking the log shows that: [Fri Apr 24 18:05:01.342667 2015] [ssl:emerg] [pid 21220] AH02238: Unable to configure RSA server private key [Fri Apr 24 18:05:01....
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50 views

Share internet connection to distribute ubuntu nodes sitting behind master

I'm working on setting up a 20 node distributed system. The data nodes are hp Compaq 6500 pc's running Ubuntu 12.4.5. The master is connected to the internet and I've configured the IP's of the nodes ...
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42 views

Complete walk through on creating a new user +Key if nessecary

I am very new to all of this. I use PuTTY to access my WHM Minecraft server without any issue as root. I want to make a new account, I have googled for 2 days and nothing is working. Specifically....
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411 views

Why can't I connect to my localhost port from a remote computer?

I'm using link-grammar server to convert sentences into semantic graphs. It provides an API though a port to do the above process. It's configured to works through port 9000 of localhost. I used to ...
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109 views

SSH outside the local network

I have Ubuntu 14.04 LTS installed on a Toshiba Satellite L655. I've recently installed an SSH server on the machine and it works fine when connecting to it using 192.168.1.3 but when I try that using ...
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40 views

Using ssh as a proxy

I work remotely and I don't have access to some resources of my company from my local machine. Those resources can be accessed only from remote virtual machine. It's not very handy and I see two ...
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234 views

$password with ssh chpasswd

I've a problem with "ssh chpasswd" .. I need to implement the "$password" of register.. Eg.. I've this code.. echo $ssh->exec("sudo sh -c 'echo $user:test | chpasswd'"); When the script is ...
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36 views

Master Account to Upload Files to sftp Server

All, I'm building an sftp server that will be used for clients to download sensitive information. Our Medical Records team needs a way to upload the files to the clients home directory. I'm ...
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105 views

Allowing Ubuntu user on ec2 to upload and manage files in public web folder

Just created a new ec2 ubuntu instance, and i'm forced to login as ubuntu rather root. While Its ok as of standard security practice but it creates additional problems that ubuntu user cannot upload ...
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32 views

Leave remote graphical session open

I own a VPS with Ubuntu Server 14.04. I know I can keep processes running using screen, but that's true only for non-graphical processes How can I keep graphical processes alive (e.g. a browser) ...
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145 views

OpenSSH chroot breaks ssh and ftp

I'm trying to set up a webserver with a restricted sftp connection. I've googled and followed several walkthoughs that all appear to be pretty much the same thing. Here are my steps: Fresh install ...
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115 views

Initramfs suddenly speaks IPv6 but no SSH login

I have been running a configuration with an encrypted root partition and network unlock via Dropbear in initramfs for some time on my Utopic Xubuntu Mediacenter. Since I am actively using IPv6 to ...
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1k views

How to start lxsession from command line with proper user priviliges

I'm trying to achieve two things that I can not get to work because I don't know how to correctly start an lxsession in Lubuntu 14.04.2. I boot to the command line with the following line ...
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384 views

Eclipse over X11 forwarding is not showing all icons/assets

I have a virt running RHEL5 which has Eclipse installed on it. I'm using SSH -Y to start eclipse on my Ubuntu host. My problem is that not all assets in Eclipse seem to be shown. Some of the menus ...
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193 views

ssh_exchange_identification: read: Connection reset by peev

I am getting the following error using ssh to connect to a server. ssh_exchange_identification: read: Connection reset by peer I have no problem connecting the same server from another machine and ...
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280 views

Git and SFTP - How to separate them?

We have a local development server with Ubuntu 14.04. We use SFTP with vsftp, and Git. Some coworkers have access over SFTP (without ssh access, /usr/bin/nologin and sftponly group), and other ...
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568 views

After reboot, ssh refuses connection

I've never touched sshd_config, all ports open (22, 80, 443), ssh status says ssh server is running. I had all working before reboot perfect, now it´s all dead and I can't enter site, neither using ...
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3k views

SSH Tunnel can't connect through existing tunnel — chanel3: open failed: administratively prohibited

I am following this tutorial and I have gotten past the part where I create a tunnel from my local computer (Host B) to a remote computer (Host A) with ssh -L 19922:HostA:22 HostA however, when I ...
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67 views

how to set up a connection without using ssh

hey^^ currently I'm having a problem with a compute who has ubuntu installed on it, so I wanted to use putty and get remote access. Sadly the computer is a bit of a pain in the ass and not able to ...
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78 views

different password for root priviledge

currently I'm actually having a security concern regarding acquiring root privilege on my server. Current situation: I login using SSH to my server and I use my user account for this, this user ...
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546 views

Problem connecting to database via SSH with MySQL Workbench

I am having trouble connecting to an external database via SSH with Workbench. The error that I get says: Could not acquire management access for administration UnboundLocalError: local variable '...
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41 views

What to do with rogue apt-get process

While SSH'd into a server, I was running sudo apt-get upgrade and I accidentally caused the session to quit (Write failed: Broken Pipe) by doing nothing while the installation was waiting on a prompt. ...
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1k views

SFTP as a different user than you logged in with

I connect to my work machine over SSH. Sometimes I transfer files back and forth using using Nautilus' "Connect to Server" feature. Sometimes I change to the root user and run commands. But I cannot ...
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408 views

File Manager won't connect to sFTP Server

Using Ubuntu 14.04 LTS Until this morning, I had been accessing files through the file manager from a sFTP server by placing "sftp://servername/directory" into the Server Address field. However, ...