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

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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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3answers
238 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
2k 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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2answers
2k 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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ssh + http proxy (corkscrew) not working

I'm trying to get ssh working with an http proxy via corkscrew. Here is the error: [echox@archbox:~] % ssh somehost.tld zsh: No such file or directory ssh_exchange_identification: Connection closed ...
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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
347 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
352 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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1answer
1k 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
359 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", ...
4
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1answer
801 views

How to “jail” a user account's network capabilities on Linux?

Linux box a is connected to a home DSL line with dynamic DNS registration, hosting a tmux session to which multiple clients connect in read-only mode over SSH. All users connect using the same ...
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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
268 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
401 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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2answers
32k views

SSH key-based authentication: known_hosts vs authorized_keys

I read about setting up ssh keys in Linux and have some questions. Correct me if I'm wrong… Let's say host tr-lgto wants to connect to host tr-mdm using ssh. If we want to be sure that it's the real ...
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1answer
344 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 ...
3
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1answer
958 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
371 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 ...
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2answers
10k 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 ...
3
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1answer
368 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 ...
2
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1answer
728 views

Fail to ssh to remote machine via hostname

The problem is that I fail to SSH to a remote machine via its hostname, while using its IP works. The hostname returned by command hostname is: california_desert while the name returned by command ...
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3answers
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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 ...
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2answers
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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?
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2answers
979 views

Is there a clipboard on non-GUI Ubuntu / Linux systems? Can I synchronize it with my local (OS X) clipboard?

I spend a lot of time on Mac OS X as a desktop system, and on the Mac there are two nice little utilities for the command line, pbcopy and pbpaste which can accept stdin and write to stdout. Is there ...
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5answers
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How to setup password-less ssh with RSA keys

I am trying to setup a password-less SSH configuration between two machines and am having trouble. There are a ton of howtos out there that I have followed and have had no success. Here are ...
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1answer
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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 ...
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1answer
2k views

Deleted the authorized_keys file and got into a problem

I was trying to send files from machine A to machine B. For that, I created a public-private key pair using ssh-keygen -t rsa in machine A. Then I sent the id_rsa.pub file to machine B and I added ...
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2answers
582 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.
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1answer
3k views

How to safely resume an aptitude dist-upgrade after SSH timeout?

I started aptitude dist-upgrade over SSH on my local network. At some point the session timed out but the upgrade was not finished (it was left at one of those accept software agreement screens-- I ...
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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 ...
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3answers
726 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 ...
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1answer
393 views

SSH session pauses mid datastream; resumes with a keypress

I've had this problem occur at random, intermittently, across boxes at multiple companies, multiple distros, and multiple kernel revs. I think that I'm just cursed. What happens is that I'll have a ...
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3answers
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Make terminal text color different when in ssh session

Is there a way to make my terminal (konsole) display different text colors when I'm in an ssh session WITHOUT modifying the remote host's color configuration? Like, maybe automatically switching to a ...
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2answers
1k views

How to temporarily switch from ssh to my local shell?

I'm using cygwin. and use it with ssh to login into a ubuntu server. sometimes, I want to switch back to my cygwin and then quickly switch to ubuntu shell. How to do this?
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1answer
80 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 ...
2
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1answer
503 views

xmodmap equivalent in bash

I'm constantly on bash via ssh, on a computer that doesn't have X. In my computer I've switched the keyboards' Super and Alt keys with xmodmap. Is it possible to do it on the computer in which I log ...
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2answers
3k views

How to login from remote server to my own PC?

For the experiment purpose I need to login to my own PC from the remote PCs which are under the same domain, i.e: university network. How can I do remote login in this case using SSH? As an example, ...
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1answer
9k views

How to fix “operation not permitted” on ssh login?

My previously fine working ssh login now results in a "Operation not permitted" error after getting a connection accepted. I can't think of anything I changed except for restarting the server, so what ...
3
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1answer
3k views

Can a user with /sbin/nologin shell login through ssh?

Is it possible to ssh to a machine as a user with no valid shell (say, mail)? So far I cannot, and using the command below doesn't work: $ ssh mail@machine.local /bin/bash It will always say "This ...
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1answer
1k views

Safety of SMB versus SFTP

I have a server with OpenSSH enabled. I use it to make distant backups. I mainly use rsync over SSH and SFTP. I understood that these protocols are quite safe. I am interested in enabling Samba share ...
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3answers
765 views

Is there a way to run an ssh server on an Android device?

I'm looking to install Debian over my Android installation so as to be able to use openssh-server, as it's so much better than Dropbear. Is there an easy way to do this, or just to simply install ...
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1answer
848 views

ssh-agent not starting in OpenSuSE desktop

It seems that ssh-agent is not starting on my OpenSuSE system. When I run pgrep -fl ssh-agent, the result is blank. On my Linux Mint laptop, I get 1785 /usr/bin/ssh-agent /usr/bin/dbus-launch ...
2
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1answer
715 views

Is it *really* possible to directly steal a private key if it uses no passphrase?

I've read in various places, such as in this question that using an ssh key pair without a passphrase allows attackers to steal your private key if they gain access to your account. I assumed that by ...
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2answers
5k views

Linux CentOS 5 SSH User Permission Denied

Today when I try to SSH into my server, I get a permission denied message (same for sftp). It used to work well before, I didn't change any server settings, except I was trying to modify a few folders ...
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1answer
200 views

SSH login to remote machine from another remote machine - How to manage connections?

Due to some security policy I had to ssh into a remote machine using another remote machine to which I ssh-ed. Here is the situation. I have access to BSD box at work and the access is only available ...
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2answers
806 views

Can't SSH via password to a Remote Server

I've successfully VPNed to my University server on a Fedora 17 Linux terminal. $ sudo openconnect -u UNIVERSITY_USERNAMEID sslvpn.nameofuniversity.edu [sudo] password for PCUSERNAME: Attempting to ...
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2answers
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Have bash script wait for password

I want to write a little script which sets up a socks proxy via ssh and then starts a browser using that proxy. #!/bin/bash ssh -D 1234 user@host #& chromium-browser ...
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1answer
89 views

Linux ssh shell prompt

While trying to type ~/Code, I somehow got myself to some sort of ssh shell: ┌─[jpearson@cominor] - [~/code] - [Fri Aug 05, 06:08] └─[$]> ssh> ^D As you can see, ctrl+d exited me out of it, ...
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2answers
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Why Bash unable to find command even if $PATH is specified properly?

I am specifying path to my command in the file /etc/profile: export PATH=$PATH:/usr/app/cpn/bin My command is located in: $ which ydisplay /usr/app/cpn/bin/ydisplay So, when I performing "echo ...
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2answers
144 views

SSH encryption security

If I log in to my server through ssh and copy files to my local computer can I be eavesdropped? How do I make sure nobody can intercept the data or even know what I am copying? Are there levels of ...