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

learn more… | top users | synonyms (1)

1
vote
0answers
210 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 ...
1
vote
0answers
388 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 ...
1
vote
0answers
2k 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 ...
1
vote
0answers
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 ...
1
vote
0answers
75 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 ...
1
vote
0answers
502 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 ...
1
vote
0answers
37 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. ...
1
vote
0answers
824 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 ...
1
vote
0answers
345 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, ...
1
vote
0answers
174 views

Running gnome-terminal with alt-f2 doesn't set the SSH_AUTH_SOCKET env variable

I've set gnome-keyring to unlock my ssh key on login, and usually first thing I do after logging in is to run a gnome terminal via the Alt-F2 shortcut, gnome-terminal --geometry=90x40 -e byobu ...
1
vote
0answers
113 views

SSH to host machine not possible from network

My system running Ubuntu 14.04 is a part of a subnet (192.168.3.XX) and everything used to work all fine; but recently, no other system on this subnet can access my machine, though I can access every ...
1
vote
0answers
92 views

Custom MOTD does not update until scripts finish

I recently got a small server and gave some friends accounts on it. They all have their own web pages in ~/public_html using lighttpd so I wrote a script to backup every user's public_html directory. ...
1
vote
0answers
194 views

How do I unlock my SSH keys on login in Ubuntu Server?

I'm making a new server that will pull backups from multiple sources on a schedule, so I'd like it to connect via SSH using a key. Setting this up in Ubuntu 14.04 Desktop is trivial, you write the ...
1
vote
0answers
216 views

My ssh connecting time is slow. How can I correct this?

My connection was very slow while I was trying connect to a server. ssh -vvv username@server_ip OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 debug1: Reading configuration data /etc/ssh/ssh_config ...
1
vote
0answers
119 views

Setting up a preferred network interface in linux

I need to set up the network interfaces of a linux box running Ubuntu Server. The box will be deployed in an industrial vehicle and will operate headless (i.e. no monitor, no keyboard/mouse). The ...
1
vote
0answers
64 views

Ubuntu 12.04 server reboot issues after updates

I have a 12.04 LTS ubuntu server (I used the how to forge guide to setup apache, php, postfix, dovecot, bind and ISPConfig). I have noticed a somehow random reboot issue which I have eventually ...
1
vote
0answers
87 views

Installing Google 2 step Authentication causes SSH to not connect

I am following the instructions here https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-two-factor-authentication After making the changes listed to /etc/pam.d/sshd and ...
1
vote
0answers
96 views

Unable to reach server by SSH

In a state of "only 10 more minutes left until the weekend" I did an apt-get upgrade last Friday to ignorantly fix the reported shellshock error. The upgrade seemingly went fine and I logged of the ...
1
vote
0answers
163 views

Why is my SSH session so slow when Dropbox is uploading?

When Dropbox is uploading, my SSH session to a remote server (a DigitalOcean droplet) is extremely slow. By slow, I mean the latency is very high: I type a word and it appears in the terminal 5+ ...
1
vote
0answers
152 views

Passwordless ssh not working?

I set up passwordless ssh between my Ubuntu 14.04 desktop laptop and my server running Ubuntu Server 14.04. It was all working. Then, I rebooted my server, and after that it stopped working. I tried ...
1
vote
0answers
30 views

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 ...
1
vote
0answers
180 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 ...
1
vote
0answers
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 ...
1
vote
0answers
230 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). ...
1
vote
0answers
96 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 ...
1
vote
0answers
299 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 ...
1
vote
0answers
451 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 ...
1
vote
0answers
82 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 ...
1
vote
0answers
1k 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 ...
1
vote
0answers
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 ...
1
vote
0answers
108 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 ...
1
vote
0answers
69 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 ...
1
vote
0answers
66 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 ...
1
vote
0answers
58 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 ...
1
vote
0answers
2k views

Black screen when accessing Ubuntu remote host via VNC and vino-server

I have a headless server and I am trying to setup a VNC connection in order to access it with a GUI. Now I have only root access via ssh. I have followed most of the instructions given here Enable ...
1
vote
0answers
516 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 ...
1
vote
0answers
242 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 ...
1
vote
0answers
91 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 ...
1
vote
0answers
155 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 ...
1
vote
0answers
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 ...
1
vote
0answers
113 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 ...
1
vote
0answers
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 ...
1
vote
0answers
94 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 ...
1
vote
0answers
662 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 ...
1
vote
0answers
163 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 ...
1
vote
0answers
44 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. ...
1
vote
0answers
151 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 ...
1
vote
0answers
420 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 ...
1
vote
0answers
107 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 ...
1
vote
0answers
206 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 ...