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

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Trying to set up game server(freebsd jail) inside Nas4free computer

So I've spent the past 2-3 hours trying to figure out how to set up a server for one of my games on my nas box. I've looked into doing a jail and installing freebsd inside it. That didn't workout and ...
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23 views

is iptables broken on my raspberry-pi? how to fix?

I am getting some person(s) trying to brute force my ssh, from multiple ip addresses (small sample) : May 22 19:50:02 rpi sshd[1272]: pam_unix(sshd:auth): authentication failure; logname= uid=0 ...
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sshd not starting after boot on embedded linux built with buildroot?

I've done a minimal install using buildroot's default config for the Raspberry Pi. I also selected openssh and openssl from menuconfig: Package Selection for the target ---> [*] Networking ...
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5answers
792 views

How can I propagate my SSH pub key to a list of servers without having to type my password in over and over?

I was recently given username/password access to a list of servers and want to propagate my SSH public key to these servers, so that I can login more easily. So that it's clear: There is not any ...
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2answers
1k views

stderr over ssh -t

This sends output to STDERR, but does not propagate Ctrl+C (i.e. Ctrl+C will kill ssh but not the remote sleep): $ ssh localhost 'sleep 100;echo foo ">&2"' This propagates Ctrl+C (i.e. ...
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1answer
51 views

How to execute a remote command to an existing ssh session

I'm trying to get basic informations on my local machine from ssh connections. The purpose here is to get the current user, hostname, current working directory in my tmux status bar. I've enabled ...
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3answers
10k views

How to dd a remote disk using SSH on local machine and save to a local disk

How can I create a backup of a remote disk using SSH on my local machine and save it to a local disk? I've tried the following: ssh hostname@my.ip.address "sudo dd if=/dev/sdX " | \ dd ...
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3answers
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How to browse a website as if I am in USA? [on hold]

I am in Taiwan right now and whenever I go to a website that I could browse in USA, it directly transfers me to the Asia site. There is no way to browse the USA version of the site, probably because ...
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9answers
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ssh_exchange_identification: read: Connection reset by peer

I am on OS X trying to ssh into a ubuntu 12.04 server. I was able to SSH in -- until abruptly stuff stopped working. I've read online to use the -v to debug this. Output is shown below. If I ssh into ...
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2answers
3k views

Copy ssh public key to multiple Linux hosts

I am trying to copy .ssh/id_rsa.pub from our central server to multiple servers. I have the following script which I usually use to push changes to the different servers. #!/bin/bash for ip in ...
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1answer
1k views

ssh-add -D doesn't erase stored keys from the ssh-agent

How come this happens?: stan@tcpc:~/.ssh$ ssh-add -l 8192 e0:45:5e:cc:45:3e:17:2b:a6:54:6f:8d:53:1b:j2:e3 github (RSA) 2048 25:41:53:a6:45:5d:ac:eb:5c:45:f8:ce:42:a9:he:aa BITBUCKET (RSA) ...
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1answer
38 views

SSH: remote variable

I want to run a complex script via ssh #!/bin/sh ARRAY1=( server1s server123 server12 server14 server13 ) for i in ${ARRAY1[@]};do ssh $i " case \$HOSTNAME in server1.domain.com) echo try1 ...
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2answers
92 views

Can a command be executed without a shell?

I am developing a binary executable program command to execute programs and return the output into a text field. The parameters to the command involve the command itself as it would be typed on the ...
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3answers
10k views

Encrypting file only with SSH -priv-key?

Suppose I want to encrypt a file so that only I can read it, by knowing my SSH private key password. I am sharing a repo where I want to encrypt or obfuscate sensitive information. By that, I mean ...
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1answer
34 views

help with remote file find/scp

I have a set of files on a remote sftp which I need to download to a server every day. sftp uses ssh keys to authenticate, so I created a ssh key and added to the remote server authorized folder. I'm ...
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3answers
94 views

Copy from remote server which doesn't have rsync

I need to recursively copy a folder from a Ubuntu remote server where I have ssh access. I don't want to follow symbolic links, nor to copy permissions/owner/group, because my client system (Ubuntu ...
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1answer
37 views

need to get the command information over ssh and the input from file

I am writing a script to get the command information of the remote machine usinf while and for loop. PFB the script. But the script ends by giving the single command information only. I have multiple ...
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1answer
44 views

How SSH Tunneling is working

can someone explain how the following ssh tunneling is working ? ssh root@localhost -P 2222 -pw 1234 L 3300:remote_WIN_machine1:3389 this ssh command is running from Linux machine while the remote ...
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1answer
5k views

ssh says: You don't exist, go away!

Sometimes when I try to ssh to a server, I get the following message: You don't exist, go away! I haven't seen this before using ssh. What does this mean? Is there a problem with ssh or something ...
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1answer
33 views

Windows to Linux (rsync and ssh) [on hold]

I'm trying to backup the folders in Windows Pictures to a remote Linux directory. This is what I have: rsync -av ssh /cygdrive/c/users/Owner/Pictures/ blah@192.168.1.10:/var/files/ImageSync/ I got ...
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4answers
6k views

SSH public key won't send to server

I've been struggling with this for a couple hours so any help is greatly appreciated... I have 2x servers both of which I can ssh to with public keys from OSX, no issues at all there so I'm certain ...
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2answers
69 views

shell scripting remote commands through ssh

I'm trying to create a shell script which will execute some commands which I require frequently. I made the ssh login to skip the password prompt using a public/private key pair. and after some ...
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Error running startx on CentOS via SSH

Whenever I attempt to run startx on a system I have SSHed into, I get the following output: xauth: creating new authority file /root/.serverauth.6604 X.Org X Server 1.15.0 Release Date: ...
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3answers
1k 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 ...
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1answer
40 views

Fail2ban is not blocking IPs trying to access my server via ssh

I installed fail2ban with the default settings because there's a bunch of bots trying to log in as root to my server. I installed it but nothing has changed, I checked fail2ban jail IP list and ...
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1answer
32 views

Tunnelling through multiple machines on Red Hat with varying users and keys

I'm trying to SSH tunnel hop to a Tomcat7 server where JMX was configured on port 9090. Essentially: localhost > hostB > hostC. In a terminal, from localhost to hostB: ssh -L ...
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1answer
41 views

Help to run a script command from one server on another

I have a go daddy account and also a vps in germany. In my vps, i run a code script (we will call it codegen) when i run ./codegen i get my question of how many codes do i want to make and with that ...
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2answers
38 views

Setting Up SSH. Just need some understanding

My goal is to build a LAMP server on my arch linux laptop. The main reason is for a web server. The other reason is to learn about how all this administration stuff works. My setup is a laptop with ...
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3answers
13k views

What difference between openssh key and putty key?

I've found that ssh-keygen ("ssh" package) produces different keys from puttygen ("putty" package). If I create public and private keys with ssh-keygen some ssh-servers will not accept my keys. If I ...
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2answers
64 views

open ssh server back

After I type # shutdown -h now from terminal, I can't access to the ssh remote server. (ssh root@10.101.6.240) How should I open back the ssh server?
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1answer
35 views

ssh message after login but before password

Is it possible to make a message appear for each user after he entered his login but before he needs to enter his password? I looked at motd and issue files, but I could not set it up, how I want. ...
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1answer
546 views

How do I stop ssh-agent trying all keys with agent forwarding?

Often I'll connect via SSH to VM instances to deploy code from private Bitbucket repositories, cloning repositories via git over SSH. Today I was getting the error: conq: repository access denied. ...
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1answer
16 views

Linux LiveCD Server with FTP & SSH Services

Could anyone please suggest me a LiveCD (Linux Based) with SSH & FTP Services. Basically I don't want to install anything on my laptop so I just want to boot LiveCD with FTP/SSH services so I can ...
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1answer
21 views

Open Java programs of a linux machine on Windows with SSH?

I usually use laptop (which has Windows) to ssh to my Linux server and run stuff on it (e.g. Intellij, MATLAB). I wonder if there anyway to open Java programs (again, like Intellij) of a remote ...
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1answer
77 views

How to do version-control repository update in crontab?

I'm trying to automate version-control repository update in crontab. The following script /home/usr/mrbean/bin/update.sh works in interactive Bash command-line: #!/bin/bash ...
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15 views

Lsyncd not working on Mac 10.9

I'm attempting to use lsyncd to automatically move files to my local development server. My host is OSX 10.9. SSH on the server works. I can connect using ssh from the host. I am using an SSH key to ...
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1answer
4k views

SSH causes while loop to stop

I have finally managed to boil down a problem I have been struggling with for a few weeks. I use SSH with "authorized keys" to run commands remotely. All is fine except when I do it in a while loop. ...
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1answer
2k views

OpenSSH hangs after login without showing login prompt

I ran across an issue with ssh after fresh Ubuntu 13.10 installation on Lenovo T420. I tried git pull (which failed) and this led me to more general ssh failing. After spending some 2-3 hrs of ...
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3answers
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How to automate connecting to multiple network devices, running a command and saving the output to a file?

I have to run a command on around 1000 network devices and save the output to a file. In a file I have a list of all the network device names that have to be connected to using SSH. I then have to run ...
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2answers
52 views

use SFTP in shell script

I have written a shell script to get the files from another UNIX server. But files are not being copied. Could someone help me what I am doing wrong. sftp username@server:$path get ubpbilp* ./ mget ...
2
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2answers
56 views

Passwordless login only works using directly invoked sshd on server

I've been through as many of the bugfixes as I can find for the classic ssh key issue : I've set up my public and private keys "correctly" but passwordless login still doesn't work. The details : ...
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2answers
52 views

Can not execute command with root in a remote Linux host

I try to migrate shell code to Python fabric code. The issue I meets is that Python can not execute command with root in a remote Linux host. Could anyone meet this issue and figure it out? I am very ...
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4answers
6k views

Why is root login via SSH so bad that everyone advises to disable it?

Everybody on the Internet advises to disable root login via SSH as it is a bad practice and a security hole in the system, but nobody explains why it is so. What is so dangerous in enabling root ...
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0answers
44 views

SSH: Permission denied, please try again

I need to connect to a server and don't know whats going on: me@pc:~$ ssh -v server OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 debug1: Reading configuration data /home/me/.ssh/config debug1: ...
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3answers
2k views

parallel-ssh with Passphrase Protected SSH Key

I'd like to use my passphrase protected SSH key when performing tasks with parallel-ssh (and related tools). However, I can't get this to work. All the documentation, regarding parallel-ssh, show ...
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1answer
44 views

Jumping ssh hosts without netcat

I have access to an intermediate server to which I can connect with ssh. From there I can connect to other servers: A→B→C, where A is my laptop, B is an intermediate server accepting connections from ...
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1answer
84 views

Avoid “Shared connection to <host> closed” messages

I'm managing a lot of drupal sites, and trying to automate some stuff using drush. Drush run locally calls drush on the remote host via ssh using options specified in the config for the site alias. ...
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2answers
2k views

slow ssh login to a remote machine

I am experiencing slow ssh login from a machine to a remote machine. The verbose of ssh is shown below in two broken blocks. ssh freezes for 15 seconds in the below shown block. [root@zabbix ~]# ssh ...
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4answers
1k views

How do I remotely edit files via ssh?

I have to edit some files placed on some server I could reach via ssh. I would prefer to edit these files in customized vim on my workstation (I have not rights to change vim settings on remote ...
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1answer
19 views

oddjob_mkhomedir doesn't run when logging in via SSH with Kerberos

I currently have a server which has Kerberos/SSSD/Samba to authenticate to Windows 2012 AD. In /etc/pam.d/system-auth oddjob_mkhomedir is set as below: session optional ...