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

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Is it possible to forward Windows… windows into Linux? (Like unity/seamless or xypher)

If this is a "bad question" or otherwise something you mods want to close... please at least direct me somewhere that could answer it, because that kind of thing happens to me a lot and I end up ...
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190 views

Ubuntu 12.04: pam_motd sometimes displays only partial MOTD

This isn't a very big deal but it really irritates me somehow. We have a large number of machines running Ubuntu 12.04 (server/amd64) which i frequently ssh into. We have the standard set-up for this ...
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1k views

SSH into Ubuntu server (14.04.1) Using mac terminal (os version 10.9.4)?

I am having difficulty connecting remotely to the ubuntu server from the mac terminal. So far I have run: sudo apt-get install openssh-server when I try to connect via the ip address I get an ...
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234 views

vi issue in SSH TTYs to Ubuntu 14.04.1 LTS

After upgrading my server to Ubuntu 14.04.1 LTS, I can no longer use the vi editor to edit anything in an SSH terminal (I access the server by launching ssh sessions from Cygwin running on Windows). ...
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113 views

SSH user problem

I am sort of a Unix newbie, trying to set SSH for my 12.04 server. I have 2 users in my system one has password the other does not, both are set as admins. My object is have the passwordless user ...
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329 views

/dev/mem: mmap: Operation not permitted: Using dmidecode

I am trying to get my BIOS firmware version, and memory info using dmidecode. I am connected to the server through ssh as a root user. We recently just started moving our servers from Debian 6.0, to ...
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531 views

Create FTP account with vsftpd limited to one folder only?

Have a fresh Ubuntu install 14.04 on digital ocean. Just installed vsftpd using this guide: https://help.ubuntu.com/12.04/serverguide/ftp-server.html#vsftpd-userauth-configuration The only things I ...
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101 views

Fresh install of ubuntu SSH only working from localhost

I installed the latest version of ubuntu on ESXi as a VM. I then installed openSSH and it worked once from a remote machine and got hung up when trying to execute a command on mysql. Ever since I ...
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2k views

SSH connection failing since I changed server port number

Yesterday I changed the default ports on the server from 22 to 1993 then restarted but now I can't connect at all. I used ssh -i keyname.pem ubuntu@remotehost to connect then sudo vi ...
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17 views

SFTP Excecute Bit does not seem to be working correctly

I am trying to replace an existing FTP server and switch the users to be using sftp. We have some strict requirements as far as permissions required on the folders. For instance on the user's FTP ...
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142 views

how to change desktop background in ubuntu desktop

I was using gnome desktop environment at the start but i switched to unity environment by install unity shell via this command sudo apt get install Ubuntu-desktop after this I have many issues like ...
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81 views

SSH to cluster under a VPN

My university requires that I connect to VPN, in order to connect to our cluster. I have, after a long struggle, managed to connect to the VPN using the FortiClient VPN command line interface. My ...
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75 views

Server Upgrade an 'end-of-life' Server from ISO over SSH

I have read that it is possible to upgrade ubuntu from an ISO image, but would the same be possible from a remote location over SSH? After mounting the ISO, what command would I use to upgrade? I ask ...
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60 views

ssh, problem with headless device

I have Ubuntu 14.04 installed on a headless device. Since the last update and shutdown it is not possible to connect via ssh anymore. nmap shows the machine is up and in the network, all ports are ...
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617 views

cannot use visual mode GUI through ssh -XY <ip_address>

I am using ubuntu 12.04, and I am trying to ssh to log into a remote server which is also running ubuntu 12.04. I am using "ssh -X ". I can log into the remote server smoothly, but cannot use the ...
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265 views

Moved a VBox guest to a physical host; network is up, but OpenSSH is not. Why?

I've come a cross an issue I really don't understand. I wanted to install Ubuntu Server on a headless box I have. The desktop sits right next to it, and adding and removing disks are very easy, so I ...
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112 views

Is it possible to login into lightdm interactive screen remotely?

I have this big Ubuntu desktop that dubs also as a home cinema PC. When I feel lazy, I'd love to be able to run the PC remotely and watch movies from my bed. I can turn it on via WoL. I can launch ...
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187 views

Reaching a login limit over SSH - How can I open more than 11 sessions?

I have a SSH connection to my Ubuntu VPS. I use it to create a proxy tunnel and it works well. I use Nethogs and "w" command to monitor the traffic. Nothing bad happens until I reach @pts/11. When ...
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69 views

Connecting to Ubuntu host not possible

I have an Ubuntu-Host which is connected via wlan (and for testing to wired net) to a local net. This Ubuntu-Host is not reachable via network by any other clients on the same network. But: If I do a ...
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130 views

'ssh -x -a -oClearAllForwardings=yes' running on my machine

I have a process with the following name: ssh -x -a -oClearAllForwardings=yes -2 user@host -s sftp running on my machine, not for the first time, and I don't remember running such (I have obscured ...
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1k views

User has no permissions in sftp

I installed LAMP in my Digital Ocean droplet. I have successfully logged in to SFTP. However, when I try to do anything in my /var/www/html/ folder it says permission denied. It may be worth ...
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110 views

Non privileged user launch SSH?

My server got hacked, and as a result the server guys decided that my apache user would be one called 'nonpriv' which has no privileges at all. Before that happened, I had a user that run apache ...
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726 views

Cannot install Openssh-server or client

When I go to install, I get this error: sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages could ...
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173 views

ssh dynamic socks server running in the system is not accessible from outside

I have an infrastructure hotspot setup on my Ubuntu machine using ap-hotspot. I connect to this hotspot from my Android phone and am able to access the internet through this. Now, I have a ssh ...
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45 views

Why would SSH ask for password every other day?

So I've been using ssh for quite a while with a server for the company I work with. Since about a month ago ssh keeps asking me for my passphrase for the rsa key, mind you, it does it every other day. ...
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161 views

Desktop's “Connect to Server” function repeatedly asks for SSH password after connecting

I would like to use the "Connect to Server" function (available from the Ubuntu desktop menu) to open a Nautilus window showing the file system of another machine through SSH, since I find it easier ...
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492 views

Backup files and folders on Qnap Ts-421

I have a ubuntu 12.04 desk that I use as a file server, I have a Qnap turbo NAS Ts-421 that I'd like to use as a backup destination. I've enabled smb, nfs, ftp, and ssh and the firmware is the latest ...
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115 views

artillary is not with SSH in ubuntu

I have installed Artillery in Ubuntu 12.04 LTS. I have started artillary and started that service with service artillery start while I am doing netstat -nltp | grep LISTEN why SSH port number ...
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250 views

How to allow multiple users to use the X display?

I got a physical machine running Ubuntu 12.10 server edition along with a X server + Unity. I would like to remotely connect to this machine through SSH to run a graphical application over the remote ...
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51 views

keep track of all logins and logouts

The system is using wtmp to keep track of all logins and logouts to the system. Since the new year, it doesn't keep track for more than a day. For example when I look at all logins I see the ...
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269 views

How to ssh tunnel to ec2 for running a local python script

I can create a tunnel for FF using the below on Ubuntu. Machine is 12.04 in a VBox on a mac host. -i ~/.ec2/aws_development_oregon.pem -C2qTnN -D 8080 ubuntu@test.com But..what I need is for my ...
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96 views

Allow users to access specified IPs only

I have a computer that offers both a VPN and a SSH server running three (separated) VPN networks. All users log into the server via ssh. However, I want that only certain users can communicate to ...
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76 views

SSH keys don't work on KDE

I've got my ssh keys working on Gnome and XFCE (using gnome-keyring). However when I switched to KDE, then it doesn't work at all. What's more, even when I start ssh-agent, and add keys, and try to ...
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133 views

Chrooting to a mounted USB Stick using SFTP

I would like to use SFTP over OpenSSH as a small FTP server. However I would like to use a mounted hard drive or USB stick as the chrooted directory for the user. As far as I see, chrooting is ...
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463 views

How To Configure Multiple Virtual Machines As An Internal Network Via SSH

First of all, I am using Windows 7 as a host. Then I install Ubuntu 12.04 Guest under VirtualBox. Then I get an access to the other four virtual machines (also Ubuntu 12.04 Guest) via ssh by running ...
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2k views

Force lease renew for leases in /var/lib/misc/dnsmasq.leases

I have a Raspberry Pi connected to my laptop (running 13.04 with Gnome) via direct ethernet using these instructions. Normally, the RPi will connect and work just fine. However, if I disconnect the ...
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153 views

Ubuntu server 13.04 ssh keygen issue

I want to be able to use github and their service hooks to deploy sites and apps to the server. To do this I need to create an ssh key and put the public key into github. I go through the ...
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202 views

How to run openmpi on virtualbox with 3 PCs through SSH?

I have 3 PCs with Vista, running Ubuntu through Virtualbox on them. I have installed openmpi and ssh on them, they are connected via ethernet. The IP addresses are all 10.0.2.15. And I can ping with ...
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889 views

Suddenly cannot access SSH on LAN

I had ssh running on my LAN server. Suddenly (not sure what I did), I cannot access the LAN server via ssh. When I try, it just hangs for a while with no response and finally comes out with a timed ...
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613 views

mount a remote (ssh) usb disk?

My home server has an external USB drive connected. I prefer to keep it unmounted so I don't have to log in if I want to unplug it (for backup rotation). But I'd also like to be able to browse it in ...
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358 views

ssh client times out to some servers, works on others

I have a strange problem and I'm not sure where to begin. My ssh client works on some servers but times out on others. Obviously, I checked that the servers are accessible via ssh from other ...
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682 views

Suddenly cannot SSH into server from LAN, but can from outside LAN?

This is the weirdest problem I've ever had with trying to ssh into a server. Suddenly I can't ssh from my workstation to the server on the LAN. I can do so just fine from home, however. ...
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15 views

Turning a computer on remotely, but still on the same network

I have a home server running Ubuntu 14.04 and a huge first world problem. I like to conserve power so I leave the server off most times when I'm not using it. But when I have to turn it on I have to ...
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8 views

Hamachi service on boot

I have installed Logmein Hamachi on a Raspberry PI2B running Ubuntu 14.04. I want to access this "server" via ssh with the Hamachi ip (using hamachi because the ip of the server will change over time ...
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20 views

Issues while downloading all packages offline

I wanted to offline download all packages required to install openssh-server on Ubuntu 14.04 of my office PC which has several dependency mirrors blocked due to firewall policy. So I have installed ...
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How to configure Redsocks in Ubuntu?

I have a HTTP proxy connection in my college, I used Proxifier in windows to redirect all connections through my proxy ID ( username and password), How can I configure Redsocks to do the same?
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Putty SSH, refused connection by guest mininet machine

I followed the main VM installation notes on the Mininet website, and the VM works totally fine. But When I tried to SSH into the VM, at first it timedout the connection. Then after searching on the ...
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SSH issue commands stucking

when I do ssh to my server and logged in successfully through terminal, the commands are stuking and taking longer to infinite time. e.g. ls,nano etc. I'm using ubuntu14.04 Terminal.
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Adding SSH to new user: Jailed (chrooted) SFTP user can authenticate, but is immediately exited

I'm having trouble creating a new user with some key permissions. I want this new user to do the following with "everything else" locked down: SSH tunnel to port 5432 (postgres) SFTP jailed to the ...
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14 views

Access to host X11 from multiple containers (lxc) sharing the same GPU is limited to the last activated container

I have a server and 2 lxc containers sharing the GPU (nvidia gtx980 364.19) Vt7, Vt8 and Vt9 When trying to access the host X11 from any of the containers. It only works from the container that was ...