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

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Ssh through two servers and a user in one command line [duplicate]

Possible Duplicate: How do I connect to a pc through another pc using ssh How to go about doing in one command line the following operations? $ ssh server-one $ su - user $ ssh server-two ...
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2answers
2k views

Block SSH to all but root user

How can I modify my sshd_config so that it blocks access to all users except the root user? I've had a look and I tried AllowUsers root DenyUsers * But that doesn't do anything
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2answers
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Accessing Linux server from Windows machine in graphical mode via SSH

I need to access one of my school Linux servers from my home computer that runs Windows. And I need to access graphical desktop (X server) on them remotely, not only shell. The problem includes 3 ...
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1answer
4k views

Specifying ciphers and protocol 2 in .ssh/config

I would like to be able to specify in my .ssh/config file that ssh uses protocol 2 (command line argument -2), and which ciphers to use with it. The following does not seem to work (I get bad ...
4
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1answer
644 views

Force pubkey-auth user to set password at first login

When I create a new user account I ask users to send me a public key, and want to force users to set the password the first time they log in with keypair authentication. If I create an account with an ...
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2answers
5k views

Fastest remote X from Windows

I have the following set up: |-----------------| |---------------| | Windows | LAN (or VPN) | Linux box | | (local machine) | <--------------------&...
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2answers
1k views

Fastest ssh X tunneling on a local secure network

I have read in a few websites e.g. (1) that the default ssh cipher is not necessarily the fastest. I work on a local fully secure network. Assuming that security is not an issue and that I just care ...
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3answers
400 views

User's name appears as “bash-3.0” on SSH shell

I am working on a Redhat server and one of the users' names appears as "bash-3.0" on the "SSH Secure Shell Client." His name is appearing correct under /etc/passwd. How could this happen? How can I ...
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1answer
715 views

Double SSH tunnelling for SMB shared folder

I am actually working from PC1 (using Mac OSX) on a distant computer(Linux) PC2 using SSH. This distant computer PC2 does not have any connection to Internet but is in a network with a PC3 (Windows ...
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1answer
3k views

Reusing ssh session for repeated rsync commands [duplicate]

Possible Duplicate: Using an already established SSH channel I have a remote server accessible via a chain of SSH proxies. The resulting channel is wide and fast enough, but setting it up ...
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4answers
5k views

Graphical interface on a remote server?

I've got a VPS with Debian running on it. I connect to it using SSH and configure it in a console mode. Now I want to install some graphical interface to it and use my VPS in graphical mode from my ...
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2answers
3k views

How to override port settings when connecting to a public wifi?

I am connecting to a free public wifi, I want to connect or use other ports like FTP and SSH. What are the possibility to override it? In order to connect to the internet, They are requiring me to add ...
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4answers
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Bash Auto-Completion feature for SSHing into Different Hosts

I have big list of servers which I normally ssh to all the time. Is there any way using bash or zsh so that I can keep the list of hostname and bash auto-completion goes through the file and gives me ...
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0answers
1k views

How to efficiently use Console2 with screen/tmux/byobu?

I'm using Console 2 and msysgit's bash to SSH into my Linux machines. There, I'm using screen (but considering tmux and/or byobu), but currently simply with one single-terminal session per Console2-...
2
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1answer
406 views

su and redirection

The following line shows the principle of a construct which I can use under Red hat 5.5: $ echo "foo" | ssh myhost "echo \"cat <&1\" | su --login" foo Actually it was never clear to me why ...
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2answers
1k views

Close ssh session that has ControlPersist and is kept alive in the background

I have ControlPersist 4h in my .ssh/config and it works perfectly, Every now and then I need to connect to this server that requires some special authentication, and if I don't use that account for ...
2
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2answers
429 views

ssh-add on an intermediate ssh hop node

I am on machine A, hopping onto machine B to finally reach machine C. A --ssh--> B --ssh--> C When I ssh-add my private key on A, all works fine and I can hop onto B as many times as I want ...
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2answers
7k views

SSH to a remote computer having only the public IP

Is it possible to connect to a computer behind a router via SSH knowing only the public IP address (of the router)?
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2answers
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SSH jumping over socks(4/5) proxy chain. Host -> socks proxy -> socks proxy -> destination

I got a great answer for my previous question about connecting from Machine A to Machine C via Socks proxy located on Machine B. Say Machine B Ip is 218.62.97.105 and it is listening on port 1080 ...
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1answer
4k views

SSH over Socks proxy without username or password

I have a list of SOCKS proxy servers from this site. I've read about creating a dynamic tunnels with ssh -D and to be honest i've tried that already. Unfortunately for some reason I cannot connect to ...
4
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1answer
2k views

scp permission denied after 'hardening' with bastille

I recently 'hardened' two Ubuntu servers using Bastille, and now I get permission denied: scp whenever I try to scp files in. SSH login works fine. I've tried adding an /scp-dump folder with 777 ...
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2answers
420 views

Unzip to location

I am using unzip through putty and it works ok. However, using the same command through a .NET C# SSH library (Renci.SshNet) gives different results. SshClient s = new SshClient("ssh_host", "ssh_port"...
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1answer
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Given a private SSH key, how do I recover my public key?

I've somehow lost my id_rsa.pub file. I still have my id_rsa file. How do I recover the public key from the private key? (This question came up after ssh-copy-id was reporting "ERROR: No identities ...
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1answer
292 views

How to run svn when ssh over ssh?

I need to run sudo -u wwwrun sh -c 'svn status -uq /srv/www/htdocs/loquat' over ssh. When using one ssh it works smoothly. Now there is one server that needs to be connected through another server via ...
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1answer
535 views

Putty doesn't seem to start from python'd crontab

I have the following Python script, chmod +x'd. When I run this script from the command line and Putty has not been started, it launches putty: #!/usr/bin/env python from __future__ import ...
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1answer
399 views

ngircd refuses connection over ssh tunnel

This might be just a misunderstanding of how ssh tunneling works, but here goes: In my ngirgd.conf file I have the following: Ports = 6669 Listen = 127.0.0.1 This ngircd server is running on HostA....
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6answers
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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 ...
4
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1answer
1k views

SSH within SSH displays the wrong machine name in the xterm title bar

I am working on a distributed system connecting to several servers at once. Nothing is started manually in the program I am working on, but this is how to recreate the error manually. I start a xterm ...
2
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1answer
485 views

Tunneling SSH through multiple machines (for SOCKS)

I have seen questions on tunnelling SSH through multiple machines but I want to tunnel a SOCKS connection. Normally I would use something like ssh -C2qTnN -D 8080 username@remote_machine to make the ...
2
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2answers
17k views

“Host key verification failed” even with removed ~/.ssh/known_hosts

When I try to ssh to my server from a linux computer with debian, I just get Host key verification failed. The only help I found online was deleting the key from ~/.ssh/known_hosts... well I did not ...
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8answers
120k views

ssh-add complains: Could not open a connection to your authentication agent

I've been trying to get ssh-add working on a RaspberryPi running Raspbian. I can start ssh-agent, when I do it gives the following output into the terminal: SSH_AUTH_SOCK=/tmp/ssh-06TcpPflMg58/...
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3answers
974 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 ...
3
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1answer
3k views

New terminator window on remote server

Is there a way to open a new terminator pane on a remote server when connected by ssh? I am looking for something similar to what can be done (according to this answer) by tmux but using terminator ...
5
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2answers
2k views

Can't share an ssh connection with rsync

In my .ssh/config file I have the following: Host xxx User yyy HostName zzzz ControlMaster auto ControlPath ~/.ssh/%r@%h:%p This works great for multiplexing my ssh connections (i.e. login once, ...
12
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4answers
38k views

sudo over ssh: no tty present and no askpass program specified

I keep getting this error and have tried several ways discussed online to fix this and none are working for me. I have setup SSH keys so when I run 'ssh newton@host.com' it automatically logs me in, I ...
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4answers
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SSH inside SSH fails with “stdin: is not a tty”

I'm trying to connect to machine one with ssh and then connect to another machine two with ssh, but I get this error. ssh user@computerone.com 'ssh otheruser@computertwo.com' stdin: is not a tty ...
5
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1answer
762 views

How to decrypt an encrypted container via ssh without entering a passphrase while requiring some client authentication?

I log in to a server via public key authentication and then mount a container (using e.g. LUKS/dm-crypt or truecrypt). At the moment, I have to enter the container password manually. Is there a way to ...
3
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1answer
493 views

Configure SCP access for login without a local account

Can I set up accounts that can do SCP that are NOT local users (i.e. users with an entry in /etc/passwd)? I've tried googling for SCP "without PAM authentication" or alternative authenication for sshd ...
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1answer
2k views

Using RSA private key from PuTTY in Filezilla

I have created an RSA private key using PuTTYgen. When I try to use it, I am notified that I can't use this encrypted key in Filezilla, so from the documentation I found that I need to use the Pageant ...
5
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2answers
8k views

How can I send single file to multiple remote sites at the same time?

Can scp be used to send a single file to multiple remote servers at the same time? If so, how? If not, what's the alternative?
3
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1answer
644 views

How do I push a Mercurial repository to BitBucket over ssh? [closed]

I created a public key for ssh and registered that key with BitBucket. I then attempted to push: $ hg push ssh://jhayward@bitbucket.org/johncharrell/[project name] pushing to ssh://jhayward@bitbucket....
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3answers
2k views

Use SSH key authentification with custom user $HOME

I have some users which have different $HOME directories than /home/... The user homes are under /pkg/homeand /pkg owner is a different user but all users have group access to /pkg. But it seems ...
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3answers
4k views

How do I backup via rsync to a remote machine, preserving permissions and ownership?

Drive A is 2TB in a closet at home. Drive B is 2TB in my office at work. I'd like drive A to be the one I use regularly and to have rsync mirror A to B nightly/weekly. The problem I have with this ...
2
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2answers
621 views

Run program after finish ssh connection

How do I connect to ssh debian and running a program and let it continue to run after you finish my connection through ssh.
5
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7answers
58k views

Transfer files using scp: permission denied

I try to transfer files from remote computer using ssh to my computer : scp My_file.txt user_id@server:/Home This should put My_file.txt in the home folder on my own computer, right? I get scp/...
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3answers
839 views

How do I execute a newly installed application with Sudo?

I have just installed an application on my Amazon EC2 instance called sshpass. I am having trouble getting it to work properly ( although, it works correctly on a non AWS instance ). I've read in ...
6
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4answers
5k views

How to setup password-less ssh with RSA keys

I am trying to setup a password-less SSH configuration between two machines and I am having a problem. There are a ton of howtos out there that I have followed and have had no success. Here are the ...
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1answer
83 views

Rebooting makes me lose my password-less keys on other machines

When I reboot my machine (as I did today) I seem to lose some functionality, specifically my previous ssh keys that I had copied over to other machines that had allowed me to login without a password ...
4
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2answers
4k views

SSH not landing in the home directory

I have recently installed Raspbian into a Raspberry Pi. As part of the installation process I changed the user name and group from the default (pi) to my own (let's call it user) using usermod and ...
6
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3answers
6k views

How to fix bash or auto run /bin/bash on SSH login

When logging in as root at my server everything works fine, but when I log in as myusername the bash is not working correctly. The line starts with: $ instead of myusername@myserver:~$ and all ...