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

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14
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2answers
7k views

ssh-add in not persistent between reboots

I add a ssh key to the agent by $ ssh-add ~/.ssh/id_rsa_mac Identity added: /Users/alex/.ssh/id_rsa_mac (/Users/alex/.ssh/id_rsa_mac) After reboot I don't have this key added anymore: $ ssh-add -l ...
1
vote
1answer
724 views

DROP all for port 22 if not geoip set of US for iptables and xtables

I want to simply block all ssh access from anywhere but with in the US. This is my whole iptables, and I have followed ...
2
votes
3answers
85 views

Authentication refused: bad ownership or modes for file /var/git/.ssh/authorized_keys

EDIT The issue as exposed here is solved (about files modes of the .ssh folder. But an other issue persists so I create a new question : > Unable to login with SSH-RSA key I can no longer ...
0
votes
1answer
19 views

Unable to login with SSH-RSA key

This post is following this question : Authentication refused: bad ownership or modes for file /var/git/.ssh/authorized_keys . The issue as exposed there is solved (about files modes of the ...
34
votes
6answers
27k views

How to speed my too-slow ssh login?

Running ssh user@hostname takes ~30s. Here's the scenario: this is a VM on the local LAN Windows and Mac machines get instant login am using Debian and I could reproduce with an Ubuntu machine ...
0
votes
2answers
14 views

sshfs over mosh tunnel

I am using sshfs over ssh tunnel. The reason for this is because I do not have direct access to machine from which I want to mount file system. This command establishes me tunnel: ssh -o ...
5
votes
3answers
1k 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 ...
0
votes
0answers
11 views

Disable PAM login but keeping landscape-sysinfo y motd

Running Ubuntu Server, I have no need for PAM login, and thus disabled this service in the sshd_config file. However, oddly, there is some login info that is only displayed if you enable PAM logins ...
1
vote
2answers
12 views

How to make ssh connection to LXC container by its name?

Is it possible to make ssh connection to lxc container by its name? I have been using IP addresses but then I though how easy it would be to use ssh test01 (here test01 being container name) instead ...
0
votes
2answers
73 views

SSH authenticity couldn't be established

Last night I SSH'ed to different systems.... one system/SSH reported that the "authenticity of HOSTNAME couldn't be established......." and it asks if I want to continue or something, I didn't and ...
1
vote
2answers
42 views

tunnel rsync:// protocol over ssh

on my LAN (debian server, windows client) I use rsync:// protocol with this code cwRsync\rsync.exe -avLP --force --append-verify rsync://rsync-usb@server/rsync-usb/* usb/ I have read, that rsync in ...
2
votes
1answer
1k views

SCP and/or SSH command with password in line

First, I'm TRYING to use rsa keys because I'm using the script to create RSA keys, but initially I have to connect to the remote machine to pass over the newly generated authentication key. Having ...
7
votes
1answer
234 views

How to execute an arbitrary simple command over ssh without knowing the login shell of the remote user?

ssh has an annoying feature in that when you run: ssh user@host cmd and "here's" "one arg" Instead of running that cmd with its arguments on host, it concatenates that cmd and arguments with spaces ...
0
votes
0answers
31 views

read failure error while connecting to the server [on hold]

There was a problem last night when I tried to connect to a remote server from my personal computer having Linux. First, I received the following error: ssh_exchange_identification: read: Connection ...
0
votes
0answers
13 views

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 ...
0
votes
1answer
33 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 ...
16
votes
5answers
910 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 ...
10
votes
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. ...
0
votes
1answer
57 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 ...
10
votes
3answers
11k 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 ...
4
votes
3answers
89 views

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 ...
8
votes
9answers
51k views

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 ...
4
votes
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 ...
2
votes
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) ...
0
votes
1answer
41 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 ...
0
votes
2answers
93 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 ...
14
votes
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 ...
0
votes
1answer
37 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 ...
4
votes
3answers
101 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 ...
0
votes
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 ...
1
vote
1answer
46 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 ...
7
votes
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 ...
0
votes
1answer
35 views

Windows to Linux (rsync and ssh) [closed]

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 ...
3
votes
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 ...
3
votes
2answers
74 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 ...
1
vote
0answers
19 views

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: ...
0
votes
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 ...
1
vote
1answer
45 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 ...
1
vote
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 ...
-3
votes
1answer
44 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 ...
0
votes
2answers
41 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 ...
16
votes
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 ...
-5
votes
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?
3
votes
1answer
36 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. ...
4
votes
1answer
554 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. ...
1
vote
1answer
17 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 ...
1
vote
1answer
22 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 ...
1
vote
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 ...
1
vote
0answers
17 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 ...
10
votes
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. ...