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

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unknown command “vftovp” in linux command history [ Is my linux box compromised? ]

I have Slackware linux system configured with ssh remote access. While observing the command history, I discovered that there is one unknown command executed from my linux box "vftovp". I certainly ...
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2answers
176 views

ssh inside a script with 'command' instead of “command”

I am trying to run commands on various nodes of our cluster automatically via a simples script. I have seen that I can run: #!/bin/bash echo "Machine: "$HOSTNAME; ssh machine2 'echo Machine: ...
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45 views

SFTP Chroot and SSH

I have a chrooted SFTP user group to access my home server. The chroot location is /mnt/, mostly because it is already owned by root and is where I have mounted the external HDD I want to the chrooted ...
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1answer
158 views

Can't run binary executable on Ubuntu 12.04

I get the following error: ./cataclysm: command not found when trying to run this executable on a Linux server over SSH. When I run ldd cataclysm, I get: linux-gate.so.1 => (0xf7759000) ...
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1answer
35 views

Restrict SSH users to SFTP

How to configure an SSH server to only allow users to transfer files using the SFTP protocol, without being able to log in with their username ? Note: If the user's shell to nologin or null is not ...
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84 views

Looking for effective alternative to ssh-copy-id which fails if you do not have the private part of the key?

To my surprise, I discovered that ssh-copy-id fails if you do not have the private part of the key, making it not usable for deploying someone else key. I an looking for a reliable way to deploy ...
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2answers
72 views

How to start remote command line session? [duplicate]

I use putty to login to the server via ssh. This creates a session locally; meaning if I disconnect from putty, the session is lost. Is there any way that the session can keep running and be ...
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1answer
79 views

ssh is not aware of client hostname?

I have two servers. Say A and B. I ssh-copy-ided on both servers to each other. And I can connect from A to B without password. But I failed to connect from B to A. I found that audit log is ...
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2answers
52 views

How to instablock IP based on root SSH login

I have had this setup before by a friend of mine but it got lost in a reinstall. Basically what happened was, whenever someone would directly SSH to my server as root their IP would get blocked, you ...
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1answer
87 views

Why process wasn't killed after closing SSH connection

I launched this command via SSH on a Debian server: watch --precise -n 1 top -b -n 1 -p 27330 | tail -n 1 | awk "{print \$9}" >> 27330.log & After a while I quit my terminal. When I ...
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425 views

How does a cisco device know if I'm connecting via telnet or ssh?

I'm experiencing strange behavior with a Cisco UC520 router. When I am directly connected to the router and telnet to it using this: telnet 192.168.1.1 23 Then I get a successful login prompt: ...
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161 views

Disable incoming telnet connections

I'm trying to secure my Debian server, and noticed that if I type telnet myserverip port# then anyone can see my ssh version. I'm a bit worried that people can do some harm aside from that. How can I ...
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1answer
185 views

Binvox not working on a headless Linux server

I'm trying to run Binvox (http://www.cs.princeton.edu/~min/binvox/) via web server, on an Amazon EC2 server with Nvidia GRID K520 GPU and running Ubuntu 14.04. I'm using the system(binvox, $ret) ...
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2answers
145 views

How to enable passwordless auth to remote server as a different user?

This may seem quite trivial but what I've done doesn't seem to solve the problem. I'm connecting to a remote server as tom who (obviously) exists on the remote server but not the local server. I ...
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2answers
328 views

SSH Server on Ubuntu not works

I wanted to start SSH server on Ubuntu 14.04 running on VirtualBox. I installed Openssh, sshd, etc., configured sshd_config to listen on ip, which I see in ifconfig and it not working. I'm starting ...
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1k views

how to install VMware vSphere Client on centos 6.5

How can I install "VMware vSphere Client" on CentOS 6.5?
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5answers
545 views

Downloading file through SSH with a “proxy” machine inbetween

I need to download a file from machine C to machine A. To do that, I need to login to machine B (I am doing this using scp), as I cannot access C directly from A. Would it be possible to download a ...
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263 views

Locked out of Ubuntu machine

I recently made changes to my EC2/Ubuntu instances by installing OpenSSH, before I was able to SSH just fine, however now I'm getting this error: ssh: connect to host shopious.com port 22: Connection ...
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3k views

How to perform a dry-run using rsync over ssh?

I got these errors while trying to perform a dry-run with option -n over ssh on a remote server: # rsync --progress --delete -avhHen ssh /etc/yum root@my.ipaddress:/etc rsync: Failed to exec n: No ...
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1answer
952 views

How do I log out/disconnect from SSH after starting a process with output to keep it running? [duplicate]

I ran a script from the command line today (php, not sure that matters) which has output I wanted to watch but I had to go home before it finished and I couldn't figure out how to exit without killing ...
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1answer
426 views

git, setting up remote repository without ssh

I want to set up a remote git repository on a openSuse machine, and I have the following question. Do I really need ssh on the machine, to set up the remote git repository? Initially is it possible ...
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1answer
831 views

scp to Local Machine After SSHing [duplicate]

From my local machine I can copy files from a remote machine scp remote:/some/file/path ~ But what if I'm already SSHed into the remote machine? Can I do something like this ssh remote cd ...
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2answers
39 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 ...
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2answers
72 views

what is the purpose of -i in front of scp and ssh commands?

What is the "-i" for in the command "scp -i key *username*@address: path 1 *path 2*"? Note: I've seen "-i" used in ssh commands as well.
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Command to restore filesystem to state after installation of the OS

How can I wipe all the changes to the filesystem since installing the OS? It's not that I want to destroy the files because they contain sensitive data or anything like that; I just want to start over ...
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1answer
92 views

Supply additional ssh options in config file

How can I supply additional options in .ssh/config? I know that information like Host, Port, User etc. may be used in the ssh-configuration file to abbreviate ssh commands. I frequently create ...
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1answer
141 views

SSH proxy laptop

I run a simple ssh proxy and I am always on the move with my laptop. Having to restart it every time I open the lid and connect to the internet. sshpass -p password ssh -D 9999 root@myvpsip Is it ...
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2answers
132 views

Run an SSH command on two hosts whose name comes from another command

So what I'm trying to do should be fairly simple but I can't seem to figure it out. I need to kill a certain process on different boxes, they all have a defined IP range although they will eventually ...
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1answer
83 views

How to forward port after tunneling

Today I have read this question and answer (How does reverse SSH tunneling work?). I tried it out and it worked perfectly however I want to know one thing. Say I have a web server running on port 8000 ...
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2answers
179 views

Simulate desktop over SSH?

I want some kind of desktop DE when connecting to my linux box over ssh. Something like winscp works but I'll be running on linux instead of windows. The box doesn't have much ram and is not running a ...
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1answer
410 views

Connecting to KVM on a GUI-less CentOS 6.4 using MobaXterm

I followed the directions at this question: Installing KVM on CentOS 6.4 without GUI (yet) But I'm not sure which feature (there are many!) of MobaXterm I should use to connect to the KVM. On the ...
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4k views

SSH tunneling: connect_to localhost port 22: failed

I want to connect from my computer to a remote computer using a middle server(u port forwarding). I run this command on remote computer: ssh -R 9300:localhost:22 user@middleserver and this one on ...
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111 views

How to control desktop applications over SSH

Assuming that the wife is right now using our desktop Kubuntu machine, probably surfing the web in Firefox or using Digikam. After logging into the machine via SSH, what can I do to 'pop up' little ...
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1answer
47 views

UUOC with ssh file transfer

Just wondering; is it possible to skip the cat in some_command | ssh remote 'cat > outputfile' ? It feels like a UUOC.
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191 views

Indirect SCP connection

I use ssh and scp to connect to a remote server. Due to a ip/proxy limitation on the remote server, I have to connect first to another server. For example, if I want to connect to "SERVER-A", I have ...
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1answer
284 views

emacs fonts from ssh not as good as locally installed

How can I have the same emacs fonts and antialiasing configuration that I have in my local Ubuntu 12.04 also working when I open an emacs session via ssh to a CentOS 5 system? EDIT: I didn't get an ...
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228 views

how to code c++ via ssh with Vim or Vi? [closed]

Would I have to rent and configure a server or something? I'm sort of new to unix, but when I was in school I had this nifty setup where I could ssh from any terminal in linux or mac or putty in ...
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1answer
435 views

Quotes exercise - how to do ssh inside ssh whilst running sql inside second ssh? [duplicate]

Possible Duplicate: Quoting in ssh $host $FOO and ssh $host “sudo su user -c $FOO” type constructs Wrapping a command that includes single and double quotes for another command I want to ...
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2answers
264 views

public key authentification doesn't pass, why?

I'm trying to connect to Server with ssh and id_rsa key. That key is only key in authorized_keys (just added with ssh-copy-id) When i do connect, server ask doesnt end with keys but always ask for ...
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2k views

How to direct bash network request through a socket5 proxy?

I know how to use http_proxy to redirect http request, but how to redirect the data with a socket5 proxy such as a SSH tunnel?
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1k views

Cannot Connect Using SSH: UseDNS terminating

When I attempt to login via ssh like so ssh marc_mtpt0@m3pt0.com I get this response: /etc/ssh_config: line 51: Bad configuration option: UseDNS /etc/ssh_config: terminating, 1 bad configuration ...
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2answers
2k views

SSH “command not found” for Zsh

Im using Zsh on the client and server. When I use ssh to run a command on the remote server it can not find the binary: ssh gt "cd /home/****/app/staging && bundle exec rake db:migrate ...
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1answer
332 views

Endlessly stuck in SSH login loop?

I've got a weird issue. Every time I hit Ctrl+D or use logout or exit, I see Connection to remote.host.com closed and then I am immediately logged back in: Last login: Thu Oct 6 21:04:20 2011 from ...
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2answers
2k views

Unable to connect to host via ssh

I have problem connecting to host via ssh. It prompts me this error : debianbox@debian:~$ssh cdcharles@hephaistos.rsr.lip6.fr ssh_exchange_identification : Connection closed by remote host The ...
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1answer
732 views

github ssh problem- permission denied(publickey)

I tried setting up git as shown in Github's help page, on Arch linux but there seems to be some problem with the SSH keys. It gives this error- Permission denied (publickey). This problem is ...
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672 views

SSH Copy Limit?

So I have a small little Ubuntu server set up, with some rather large files that I've allowed a few people to copy from their putty window. Anyways 2 questions: Lets say a person on windows wants to ...
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2answers
824 views

Git Server Bash and SSH

I want to use Git over SSH with my Linode VPS running Ubuntu 10.04 LTS. Instructions seem pretty easy, infact given I had already setup my SSH key etc.. All I had to do was instruct my local ...
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1answer
41 views

ssh asking for passphrase that doesn't have passphrase

I'm trying to build docker image with this docker file and I need to clone some private repositories from bitbucket. FROM ubuntu RUN chsh -s /bin/bash RUN apt-get update RUN apt-get install -y ...
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1answer
41 views

Unable to use ssh-copy-id - mktemp: failed to create file via template

I have 4 identical boxes, I logged on to the first one and did sudo -s, followed by ssh-keygen -t rsa which generated the keys and placed them in /root/.ssh/ I then typed ssh-copy-id -i ...
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1answer
49 views

Disable scp for all IP, but allow it for given ones

There is a server running sshd. We have root permission on it. Question: How can we disable SCP on it, BUT: allow a given IP to SCP (copy to it, etc.) Maybe rename the SCP binary and have a "Match ...