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

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How to use `~/.ssh/config` setting for each server by `rsync`

I'm now using rsync with -e 'ssh -p 10022' option to specify the port. I have already ssh setting in ~/.ssh/config. Host myvps HostName example.com User ironsand Port 10022 Can I use this ...
3
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2answers
49 views

ssh from host to guest using qemu

How do I setup ssh from the host to the guest using qemu? I am able to use port redirection when I boot the VM without any special parameters, as follows: /usr/bin/qemu-system-x86_64 -hda ubuntu1204 ...
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0answers
26 views

fatal: bad ownership or modes for chroot directory component “/”

I used to be able to connect via ssh with the user I have created but now I keep getting: "Write Failed: Broken Pipe" and I can only connect as root In the ssh auth.log I get the following: ...
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2answers
21 views

Is there a one liner which can list public key fingerprints with authorised_keys as input?

I'd like to audit the authorised_keys file on a number of servers and match them with known AWS key fingerprints. Is there a one-liner which incorporates ssh-keygen -lf which will output the ...
2
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1answer
36 views

Monitor SSH data transmission, and close connection if no data is flowing

For our file transmission and manual storage we have a simple RHEL server on which all other Linux clients are connecting by SSH. Whenever any client wants to access/store data, they connect to the ...
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0answers
25 views

SSH to Windows 7 with cygwin openSSH freezes when remote conection [on hold]

When I SSH into Windows 7(Cygwin) from a remote, the session freezes after few seconds or up to two minutes. This can happen while I'm typing and it can happen when idle. This is still happening after ...
8
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2answers
2k views

Ssh login hook?

Is there a way to run a script/command every time a user connects using ssh? Can it be configured globally (i.e run the script when any user login)? I came across this question on Identica, but there ...
2
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0answers
16 views

Why VMware DHCP persists getting offline?

I am trying to set up a SSH server in my remote machine which is running Windows 7 on it currently. So first I set up a Oracle VirtualBox but it did not work for me properly. Then I decided to go with ...
2
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4answers
2k views

SSH not working from one specific computer

I can connect from every other computer on the LAN, as well as externally. It connects fine to other machines running SSHD. When trying ssh with verbosity, I get the following readout: $ ssh -vvv ...
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1answer
23 views

Easiest way to mount Google Cloud Storage in CentOS

we use centos for some hosting projects, but nut very expertise with systems. We pretend to use a main CentOS box to mount an "unlimited" Google Cloud Drive and then share it via NFS to the rest of ...
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2answers
68 views

How do I run a command on a TTY from a SSH session?

Does anyone know of a way that I could run a command from my ssh session and have it display on tty1? It seems like I could do that like: script command >> /dev/tty1. However, if I were to do ...
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3answers
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+50

How to force ssh client to use only password auth?

If I use pubkey auth from e.g.: an Ubuntu 11.04 how can I set the ssh client to use only password auth to a server? (just needed because of testing passwords on a server, where I default log in with ...
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1answer
39 views

automatic capturing top output by cronjob CENTOS 6.5 x86_64

I have this command: top -n 14400 -a -b -d 1 > /toplogfile.txt I want to make a script which is run by cron every day to capture top output, and if it is possible gzip the output file after the ...
0
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1answer
27 views

Zsh ssh tab completion not working as expected on OS X

I use Zsh on two different machines (OS X and Ubuntu) and the tab completion for ssh does not work the same way. More specifically hosts specified in the file ~/.ssh/config is NOT used on OS X but it ...
1
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2answers
40 views

About escape with SSH pipe

I want to execute the awk command with long parameters,like this: ssh host "netstat -rn|awk 'NR!=1 && NF>=6 && $1!="Destination" {printf "%-15s %-20s\n", $1, $2}'|sort -f " but ...
0
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1answer
229 views

Copy/paste into SSH'd VIM from local (Windows) clipboard

I would like to copy from a local machine and paste into vim on a remote box which I am SSH'd into. That's it. I have tried "+p and "*p, mouse middle-clicking, and a couple other things to no ...
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2answers
81 views

How to edit /etc/hosts without sudo?

I have a machine that I can only access using SSH. I was messing with the hostnames, and now it says: ssh: unable to resolve hostname I know how to fix it in /etc/hosts. Problem is, I need sudo ...
31
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1answer
931 views

redirect sound (microphone) via ssh, how to telephone via ssh?

How can I redirect the microphone of one computer to listen to it on another computer via ssh? Which is the right device or which is the right command line? Some years ago it was easy and fun to ...
2
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1answer
39 views

root login silently fails

After some months of not touching it I wanted to login to one of our virtual servers to update OpenSSL, because of the heartbleed thing. The server is running Debian 7, sudo is not installed. I ...
3
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1answer
49 views

Transfer files client-server inside a SSH session [duplicate]

Is it possible to transfer files (client-server) from inside a ssh session?. I know how to transfer files using SCP, This question is about transference from inside a ssh session. For example I ...
1
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1answer
60 views

How to check for a folder inside a particular folder in shell script?

I am working on a shell script and python script as well. Python script is passing certain parameters to my shell script and then I am using those parameters in my shell script. Below is my shell ...
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1answer
37 views

CentOS Local User not able to view directories/files via FTP login

Currently running CentOS 6.5 with vsftpd. As a newbie, I would like to explain my process and then have the proper process explained back to me from scratch which I believe will solve my issue. I am ...
2
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2answers
39 views

Does /var/log/secure log successes?

Short one that I've been unable to find a decent answer for. Centos 5.10 server, trying to trawl through all the logs I can to see what IPs successfully accessed the server. I've been mucking about ...
0
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2answers
47 views

SSH Key not working [duplicate]

I created an SSH key on my laptop using ssh-keygen and then put it on some production servers so that I don' have to type my password every time. On some servers it is working well, but on some it's ...
4
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1answer
2k views

Connection ec2 instance operation timeout error using ssh

After creating a new instance, I am trying to access my instance like below: ssh -i private_key.pem root@my_instance_public_domain but the operation is timing out. I have updated the private key ...
1
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1answer
83 views

How does ssh pick which key to use?

I'm using the following as a forced command with hg-ssh. This forced command is designed to just allow pushes with hg. However, I must be doing something wrong, because I can actually log in with ...
1
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1answer
38 views

Create ssh user which can only access home directory [duplicate]

I read documentation on the internet on how to create a new user with SSH access. I figured it out and to create a user is quite simple. The next step I want to take is to jail this ssh server to the ...
2
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2answers
42 views

How to ssh to a server using another server with key from the second server?

How to configure ssh to imitate this: ssh server1-user-name@server1.net -i /path/to/.ssh/server-1-ssh-key -t ssh server2-user-name@10.0.0.10 -i /home/server1-user-name/.ssh/server2-ssh-key When I ...
0
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1answer
32 views

Error “ssh_exchange_identification” with Corkscrew

I'm trying to reach my ssh server (i'm behind a corporate proxy) so I tried to use Corkscrew. My ssh server is listening on port 443, I put sshd: ALL in my /etc/hosts.allow and there's nothing into my ...
2
votes
1answer
18 views

Commandline program affecting subsequent shell output with underlines?

I'm SSHing via Windows PuTTY to my server running Ubuntu Server 12.04. As you can see in the top of the screenshot, the terminal looks normal but when I run Behat (a PHP test automation framework), ...
0
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1answer
45 views

passwordless ssh is not working in CentOS 6.4?

I am setting up passwordless login from this link but I can't get it to work. When I do ssh localhost it always asks for a password. I have also referred to this question: ssh password less ...
2
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1answer
243 views

Can't login to remote debian system with RSA key and ssh.exe from Cygwin

I need to login to a Debian server using ssh.exe from Cygwin. I've generated an RSA key and appended it to the authorized_keys file. Debian is OK, because I was able to use the RSA key using PuTTY ...
2
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0answers
23 views

tmux: shared session, one user in a pane, another in another pane, two different cursors

I've decided to try tmux: have been reading the docs and googling around, trying to find a way to have two users sharing a session, each with a different cursor. However, giving 777 permissions to ...
1
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1answer
28 views

Acting on a different display when using SSH [duplicate]

I am connecting to a Linux CentOS 2.6 computer via SSH wit the display deported on my screen (using MobaXterm). It is also possible to access to this computer "physically". However, I would like a ...
1
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1answer
51 views

Can I configure apache to limit access to a directory only from my ssh connection?

I have a virtual machine running a number of websites. All users have access these via the external IP address of the machine. I am running Debian Stable on this machine. I can access the machine ...
0
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2answers
422 views

Script SFTP with password - HP-UX

I would like create a script in HP-UX to send in sftp with password. I have this command sftp -o PasswordAuthentication= but if I answer yes or no after, I have this issue "Host key verification ...
2
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3answers
52 views

Get exit status of a process over SSH

Not sure how to google this (I tried with some things and didn't get much) or how this is even called. This is my typical workflow: SSH to a server run something there and leave it running in ...
1
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1answer
398 views

Transferring Files SSH SCP Error Message: 'Stdin: is not a tty'

I am using a Macbook SSH terminal and generated RSA key pairs and uploaded remote id_rsa.pub with approved permissions. I can connect with remote Apache web server. I can create, open, move, modify ...
3
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1answer
643 views

Command : must be run from a terminal

I have a shared hosting account, I logged using ssh. when I type for example su I had this output : su: must be run from a terminal Is this error relative to the fact that I don't have sufficient ...
1
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2answers
41 views

Create an user that can only connect to a specific directory

I've created a SSH folder for some friends. I've created the users to log in via SSH, but they connect to ~ how can I set to which folder they can connect? I have a directory called /usbdrv/ which ...
0
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1answer
15 views

No xauth data; using fake authentication. Unable to display remote windows

Whenever I try to ssh -X or -Y into a remote Linux server from my Mac (OSX Mavericks) machine, I get the same message: "Warning: No xauth data; using fake authentication data for X11 ...
1
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5answers
2k views

Execute a command on multiple hosts, but only print command if it is successful?

Here's what I want to do. I want to check over 100 hosts and see if a file exists on that host. If the file does exist, then I want to print the hostname and the output of the command. In this ...
1
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1answer
2k views

Meaning of “Connection closed by xxx [preauth]” in sshd logs

We have a Windows batch script, which connects automatically to a linux server via PLINK (putty). There is NO public private key authentication, the user and the password are in the script. On our ...
9
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5answers
256 views

SSH automatic remote back ups

I have two machines, A and B. Machine A can ssh into B. A has a lot of free space. B's data is in a sort of risky situation. How do I back up all of B's data to A automatically. It does not have to ...
5
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2answers
272 views

Unable to login via ssh after several months

I have a Dell Poweredge running Ubuntu 13.04 in my office to serve up an interal web-app address system. It has been at least a 2 months possibly 3 since my last login. Everything is running great, ...
0
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1answer
61 views

Understand debug messages from sshd [closed]

I'm using OpenSSH_5.8p1 in my machine,I'm connecting my machine using putty client but its slower so I have ran sshd in debug mode and found following messages can any one explain me in detail about ...
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1answer
180 views

Remotely compile and run program using ssh and screen

I'm trying to compile and run a program remotely. However, I'd like to this within a screen and also I'd like to run this using grid engine on another node after I ssh. Currently I have: ssh ...
0
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2answers
17 views

ssh to a new user in ubuntu

I created an user in ubuntu and now I want to do ssh with that user. I'm able to do ssh but I'm not getting in the shell: myUserName@myMachineName:path$ I just get: $ And I don't see the path ...
1
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1answer
300 views

ssh_exchange_identification: Connection closed by remote host on vnx machine (linux)

I changed the password of my linux machine . I was able to login for sometime and after that I am not able to ssh. I am getting the following error: ssh es4042cs -v OpenSSH_5.1p1, OpenSSL ...
2
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3answers
604 views

How to run a script after connected with ssh

I've heard multiple answers of rights and wrongs and I still don't know if its possible. I ssh to a server then want to run a block of script. while read server <&3; do #read server names ...