SSH (Secure SHell) is a protocol for running commands on a remote computer.

learn more… | top users | synonyms

2
votes
1answer
841 views

control keyboard input on GUI over SSH

i am searching for a solution how to echo a keydown over SSH to a running GUI (based on debian). like VNC or Teamviewer but only command line based.
3
votes
3answers
1k views

Run a parallel command while waiting for ssh

I need to ssh into a server and check for a service to see if it is up and running. What i do is to use ssh and run a command which calls that service and check the output of that command. I want to ...
3
votes
3answers
9k views

Cannot SSH to VM

I have a VM installed with some custom disk image (CentOS) from work, and I can't SSH into the VM. Here are some things I've tried: [VM]$ ssh root@localhost Password: Great, ssh is working with ...
0
votes
1answer
499 views

Multiple SSH tunnel through raspberry pi?

In my home network I have a PC, raspberry pi, macbook and a few other devices which I want to access away from home. As it stands, I have setup VNC server on my PC along with remote desktop and have ...
4
votes
2answers
435 views

SSH - How to make X applications run on client?

I have the reverse problem that most people seem to be having. If I start an X application while logged into ssh, it displays on the server(host) machine instead of the client(local). This is the ...
7
votes
4answers
1k views

How to set up two-factor authentication with OTP on FreeBSD?

I have a FreeBSD hosted server that I like to be able to get to from anywhere. Normally I use SSH publickey to log in, or if I don't have my SSH private key available then I might use regular password ...
0
votes
2answers
98 views

Command to restore filesystem to state after installation of the OS

How can I wipe all the changes to the filesystem since installing the OS? It's not that I want to destroy the files because they contain sensitive data or anything like that; I just want to start over ...
1
vote
2answers
295 views

How to chain ssh and stay in prompt

I want to create a script that when I double click runs: 'ssh -Y server1' WITHIN server1 run 'ssh -Y server2' (server2 not accessible outside) I now have the terminal prompt connected to server2 ...
0
votes
2answers
319 views

Can using SFTP with HMAC-RIPEMD160 replace computing file hashes before and after transferring?

As part of my job I often find myself transferring lots of files between my computer and a remote storage space accessible over SFTP. To ensure the files' correct transfer I compute their SHA256 ...
2
votes
4answers
464 views

ssh ncat keeps ncat process running after disconnect; how do I prevent that?

If I run the command $ ssh othermachine ncat localhost 10000 that opens an ssh session to "othermachine" and pipes it into an ncat process. (There's something else listening on "othermachine" port ...
4
votes
0answers
4k views

How do I force ssh to use a second interface with higher metric?

I have a Crunchbang VM with two interfaces, eth0 and eth1, each of which connects to an OpenWRT VM (eth0 being 10.232.64.20 and eth1 being 10.232.65.20). I'm using Network Manager and DHCP. My ...
3
votes
2answers
1k views

ssh key doesn't work for one server but works for another [duplicate]

debug ssh works Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Offering public key: /home/vinatia/.ssh/id_rsa debug1: Server accepts key: ...
1
vote
2answers
1k views

Why does this ssh command not work? (cat ./file | ssh <user@host> “cat | sudo -t -t 'cat > /root/location/file'”)

I'm trying to do the following but it's not quite right. cat ~/Desktop/blah.png | ssh -t -t trusktr@50.116.4.56 "cat | sudo -i 'cat | /path/to/blah.png'" I have my public ssh key in the ...
5
votes
3answers
2k views

As what user is an sshfs mounted folder being accessed?

I'm trying to do a network backup of a drive. There are two machines in this process. PC1: Distant machine with 2 hards sda and sdb sdb is the drive which needs backing up two users exist, root and ...
3
votes
1answer
355 views

Looking for information on the FISH protocol

What I have found about fish:// (the kio protocol) is old and often incomplete. Is there anything that's new? Like a primer? Or is this something to put on the KDE todo list?
2
votes
1answer
223 views

ssh fails silently

I have noticed that when I execute a command via ssh: ssh myserver.mydomain.com "w" and the command fails, ssh does not print any error. Lets say, I have misspelled the hostname of my server and ...
2
votes
3answers
366 views

Why is an application via 'ssh -X' slower than vncviewer via 'ssh -X'

Very simple question with strange effect: If I run a programm via x-forward it performs very bad when it comes to animations. E.g.: ssh -X <USER>@<SERVER> "application" But if I start ...
2
votes
1answer
687 views

Is there anyway to make vnc viewer function like Xming with allowing linux windows move freely about?

I have a vncserver set up on my remote machine and am using vnc viewer to interact with that machine. I am also used to doing the following: 1. Remote connecting to a machine with an ssh client like ...
1
vote
1answer
159 views

How can I interact with my home router via a device on the local network using ssh? [duplicate]

I have a raspberry pi plugged into my router at home, running raspbian. Before I left for work I: Configured the router to forward ports 80 and 22 to the pi Configured dyndns This all works, and I ...
1
vote
2answers
224 views

How can I confirm the identity of the remote SSH host I'm trying to connect to?

I'm trying to debug a problem I have when trying to connect to an SSH host over WAN. I'm looking for a way to confirm that my client is reaching the correct host, and is not routed somewhere else ...
3
votes
0answers
216 views

Slow terminal print out

Just installed (netinstall) debian wheezy on a second machine newer machine however the terminal print out is noticeable slower than on the old machine although the new have faster CPU, RAM and HDD ...
1
vote
1answer
784 views

SSH remote backup script

I am trying to backup a remote server to my machine. I am trying something like ssh user@ip "dd if=/dev/sda" | dd of=~/backup.img But that obviously doesn't work. Other variants that don't work. ...
3
votes
1answer
915 views

Route SSH to host through interface

Is it possible to route all outgoing requests for SSH (port 22) to mydynamicdns.afraid.org via wlan0 instead of eth0 when both are connected? Since my IP is dynamic, I would like to use a name ...
0
votes
1answer
116 views

Supply additional ssh options in config file

How can I supply additional options in .ssh/config? I know that information like Host, Port, User etc. may be used in the ssh-configuration file to abbreviate ssh commands. I frequently create ...
0
votes
2answers
531 views

How to Find the Cause of Too Many Dropped SSH Connections?

Overview: I have a home setup, behind a home router, on which there is Proxmox Hypervisor running over 10 VMs. One of those VMs is the first point of entry after router. It is just a jump host Centos ...
2
votes
1answer
2k views

Locked out of server with SSH - anything I can do?

I accidentally locked myself out of my server. I changed the port, added ssh-keys, PermitRootLogin is 'no' and if I remember correctly PasswordAuthentication is also no. Logging in on another server ...
3
votes
3answers
3k views

How to limit ssh access for localhost only?

I need to forbid ssh access (except localhost) for specified user. So. ssh localhost should work. ssh hostname from outside should not work for that user. All other users should work as usual.
3
votes
3answers
2k views

bash adds extra single quotes

I have a problem executing my script. When executing it in debug mode (bash -x), I can see that bash is adding extra quotes. Therefor my script is failing. Here this is within my script: ...
1
vote
1answer
234 views

SSH X11 forwarding put on a different monitor

Is there a way to use ssh and X11 forwarding with multiple monitors, such that one screen gets the remote session and one keeps the current session? Note: In case I didn't clarify, I meant forwarding ...
0
votes
0answers
151 views

How to upgrade Fedora OpenVZ container over SSH?

what is the standard procedure for upgrading Fedora (18 to 19) that runs as an OpenVZ container on my VPS via SSH? Can I simply use fedup or does the admin have to perform the upgrade from outside of ...
2
votes
0answers
2k views

Can't Install ImageMagick on Centos using Yum

I am trying to install ImageMagick on my dedicated-virtual Centos server for use with PHP. I first ran the following commands successfully: # yum install gcc php-devel php-pear # yum install ...
1
vote
1answer
74 views

Ways of logging to Linux machine [closed]

How many ways to log to a Linux machine there are? Direct login, using connected keyboard :) Remote login via ssh (-Y) to console or GUI is there any other means - defaultly allowed, or enabled in ...
38
votes
2answers
5k views

Is it safe to give out my SSH public key for work?

I currently work remotely for a number of organizations which need me to access their servers regularly for maintenance and upgrades. Is it safe for me to add my RSA public SSH key to the ...
0
votes
1answer
519 views

Passing multiple scripts to shell over ssh

I have a somewhat lengthy script which sources other scripts to include the functions there. I'd like to execute this script remotely via ssh. Now I thought to make one script file of it (without ...
1
vote
1answer
593 views

ssh out of port 80 to port 22?

The isp I am currently connected to only has port 80 open, but I need to ssh to my server which listens on port 22 of my router there. Is there a way to go out through port 80 here, then in through 22 ...
2
votes
0answers
34 views

Mount a workstation dir upon login to server over ssh

I'd like to have a local directory be mounted upon logging into a remote server via SSH. So if I were to ssh into foo.bar.com as user baz then there would be a directory mounted in /home/baz/roaming - ...
4
votes
2answers
2k views

ssh_exchange_identification: Connection closed by remote host

OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug2: ssh_connect: ...
2
votes
0answers
21 views

Route socks proxy traffic through wireless client [duplicate]

I have a router with two Internet WANs: DSL (vlan1) and wireless client (eth1). They are both in default route: vlan is the first and eth1 is the second (I am using ip route add default scope global ...
1
vote
1answer
85 views

Using passwordless ssh on CentOS 6

I have a fresh install of CentOS 6 that I am trying to connect to using ssh without a password. But each time I try to login, I am asked for the password. Here are the commands in order: ssh-keygen ...
2
votes
0answers
278 views

SSH login from external authentication

Here is what I try to accomplish: I have a server with a git repository. I use ISPConfig as control panel for our websites and I want to integrate the ISPConfig API for email authentication as second ...
5
votes
3answers
862 views

How do I tunnel SSH over SSH?

I have successfully setup a tunnel over SSH on linux mint, and can browse the web. However, when I try to ssh using the same port, I get: Couldn't establish connection to proxy: Network is ...
2
votes
1answer
231 views

Was my Unix server compromised?

Someone asked if this constituted a break-in and wondered if their server had been compromised. Jan 12 04:16:51 foo sshd[26725]: Failed password for root from 61.174.51.207 port 1076 ssh2 Jan 12 ...
0
votes
2answers
61 views

Disable authentification for ssh [duplicate]

Is there a way to store my password when ssh'ing on a server? I tried to change the variables BatchMode and PasswordAuthentication in my file /etc/ssh/ssh_config, but to no avail. Could someone ...
3
votes
1answer
343 views

Installing openssh-server after Rescue Disk boot

I tried to help a friend with hard drive boot problems. I first asked her to make a rescue disk (Ubuntu 12.04.3), and boot from it. Then I asked her to open a console (Alt+F1) and use sudo to become ...
3
votes
3answers
2k views

Storing the private key password for auto-mounting SSHFS?

I connect to a server via sshfs using private/public key pairs. My local key needs a passphrase to use. NOTE: The public key has already been copied to the remote server. I'm looking for a method to ...
0
votes
0answers
1k views

How to restore a DD image file in my primary disk on new debian server

I have a dedicated Debian server at Online.net and I want to change the server by a more powerful (always Debian OS). For that, I have made an image on my old hard disk with this command: dd ...
9
votes
5answers
3k views

How to effectively use screen and SSH?

I'd like to configure SSH and screen such that a login will always reattach to a screen session. Ideally, that session would not quit but detach when I press C-d. How can this be achieved? And what ...
5
votes
1answer
483 views

Secure access to remote SSH tunnel

So I wish to be able to access my Raspberry Pi (which I keep at home behind a firewall) remotely. One option is to use a static IP address, but as a poor student I don't want to fork out for one, and ...
0
votes
1answer
3k views

Nohup process not running into ssh

I have a question on the use of nohup in an ssh session. During more than three years my java software executed the following command daily using a remote ssh session: cd some_path; chmod 777 ...
0
votes
1answer
203 views

ssh login after changed IP

I have server running Ubuntu 12.04.2 LTS (GNU/Linux 2.6.32-042stab078.28 i686) Had no problem logging in to the server via ssh until my Internet Provider changed my IP. Now, the server keeps adding ...