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

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Can't use SSH anymore after installing denyhosts

so I'm in a very tricky situation. I've installed denyhosts on my debian machine and suddenly I can't use SSH anymore. Hopefully I could still login through webmin, but with root, so I had to login ...
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2answers
42 views

Disable authentification for ssh [duplicate]

Is there a way to store my password when ssh'ing on a server? I tried to change the variables BatchMode and PasswordAuthentication in my file /etc/ssh/ssh_config, but to no avail. Could someone ...
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2answers
3k views

SSH authentication using gssapi-keyex or gssapi-with-mic (publickey not permitted)

My company has disabled SSH public key authentication, therefore I have to manually enter each time my password (I am not suppose to change /etc/ssh/sshd_config). However gssapi-keyex and ...
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1answer
276 views

How do I escape a dot character for an rsync command? [closed]

I'm trying to do... ssh -av -e deploy@domain.com:/var/www/domain.com /Users/user/workspace/domain But it's outputting this (I presume because of the period character): OpenSSH_5.6p1, OpenSSL ...
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2answers
2k views

ssh root@localhost error; help me hack this box :)

I need to gain a root shell on a linux vm for a security class. I have a user account on the system and a means to write to any file (i.e. /etc...) and want to escalate my privileges with: ssh ...
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3answers
453 views

Read first line of a command's output. Command connects me to a remote terminal

Part 1 Say I have a command my_command that outputs multiple lines. I would like to capture the first line of my_command's output as soon as it's ready in a script, while keeping my_command ...
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1answer
75 views

Cancel SSH (after using it to browse) without logging out?

I'm afraid I'm not an expert on Unix and its command line (I'm using a Mac), so do bear with me (possibly an extremely stupid or basic question). I've used the command ssh -D 8080 -f -C -q -N user@IP ...
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3answers
98 views

When you ssh into a server, do you use server settings or your own settings?

So say I'm running a Linux server that is running irssi in a tmux session.(Detached) My question is, when I ssh into the server and reattach the session, will my shortcuts that I use on the 2nd PC ...
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2answers
98 views

SSH -L Tunnel no longer working

Local machine running my scripts needs to access a remote server's DB. Last week I could do, on the local machine ssh -f -N -T -L1081:localhost:3306 ueser@remoteserver -p2222 on the local machine: ...
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2answers
298 views

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

“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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3answers
679 views

Being kicked out upon logging in using ssh

Does anyone know why I am kicked out immediately after everytime I log in? Here is the output: $ ssh tim@xxxx.xxx.xxx.xxx Password: Linux xxxx 2.6.32-24-server #43-Ubuntu SMP Thu Sep ...
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2answers
67 views

How do I run a command on a TTY from a SSH session?

Does anyone know of a way that I could run a command from my ssh session and have it display on tty1? It seems like I could do that like: script command >> /dev/tty1. However, if I were to do ...
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1answer
50 views

Ways of logging to Linux machine [closed]

How many ways to log to a Linux machine there are? Direct login, using connected keyboard :) Remote login via ssh (-Y) to console or GUI is there any other means - defaultly allowed, or enabled in ...
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3answers
137 views

the difference between '..' and “..” when I use ssh usr@ip 'pscp …'

My Server machine run Window,and it installed Cygwin. My Client machine run linux. In Clinent machine.I do this: [sikaiwei@login-1-2 v1.4]$ bash test.sh CHUN~19900405 ...
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3answers
286 views

Script to login to ssh twice

I need to login through ssh twice with a script and can't get it to work. This is what I have in my script file: #!/usr/bin/expect set login "user" set addr "address1" set addr2 "address2" set pw ...
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2answers
46 views

Determine users of nearby machine from CLI

Ok, so at my house I have three computers, and I frequently enjoy using ssh and scp to run commands that allow me to do wonderful things. Primarily transferring downloaded files, and running media ...
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4answers
2k views

How can I share files between two Linux machines over LAN?

I am currently running Fedora 18 with Gnome on two computers which are connected to the same router. I have been using Samba to share files between the two, but I know there must be a better way. On ...
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1answer
3k views

Check if SSH is enabled or Disabled in Solaris 11

How can I check to see if SSH is enabled on Solaris 11? I have tried typing ssh in the terminal, and it came back with a list of options, which none of them made sense to me. All I want to know is if ...
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1answer
728 views

What is the default encryption type of the ssh-keygen?

When generating private/public keys with ssh-keygen what types of keys will it generate if I wont pass -t option followed with the encryption type like rsa?
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2answers
580 views

How to check that ssh login was successful in a script?

I do run ssh server "svn info /path/to/codebase" from php. It works fine but I wan to know how to check if the ssh login was not successful. I want to check from my php script that ssh server is up ...
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2answers
240 views

2 consecutive ssh logins [duplicate]

Possible Duplicate: Common multiple SSH connections file handling issue I used to do something like that often: home $> ssh user@server1 user@server1's password: server1 $> ssh ...
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2answers
487 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
36 views

which unix or linux command is used to change root password of remote machine(Just an IP address) without using SSH Login [closed]

which unix or linux command is used to change root password of remote machine(Just an IP address)? Suppose I just have an IP address of the target machine which is on my network, But I do not know ...
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2answers
46 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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1answer
35 views

Connect to LAN resource via ssh tunnel

I have the following problem. From machine A I connect to machine B over the internet via ssh and port forwarding. Machine B is part of my local network and has connection to machine C which acts as a ...
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1answer
27 views

ssh login after changed IP

I have server running Ubuntu 12.04.2 LTS (GNU/Linux 2.6.32-042stab078.28 i686) Had no problem logging in to the server via ssh until my Internet Provider changed my IP. Now, the server keeps adding ...
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3answers
115 views

What are the commands to apply changes made to /etc/ssh/sshd_config?

I have made some changes to /etc/ssh/sshd file and wanted these effects should take place. I know I can run below command for the effects to take place. /etc/init.d/sshd reload But on my box I ...
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1answer
79 views

Changed /etc/ssh/sshd_config. Now can't get to SU. Am I screwed?

To allow one of my users ssh access I added the line AllowUsers user to my sshd_config. I gave the box a reboot and attempted to ssh back in as superuser. I was unable to do so. I have my keys- ...
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2answers
46 views

I'm trying to install my public key manually w/ scp

I'm following a tutorial and it's going along well. I used ssh to connect fine. Then I created a private and public key. Which leads me to my first question it says that the keys have been saved to ...
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4answers
141 views

How do I store long hostnames list for SSH quick usage?

I have an SSH access to a lot of servers. And all that hostnames (and sometimes usernames) are long and hard to remember. Also even if I tweak my Terminal to keep eternal bash history, the using of ...
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1answer
73 views

Gnu Screen and vi - visualization issues

The scenario is as follows: gnu screen launched onto a scientific Linux distro ssh to an aix machine tried to edit a file with vi And this is what I got: "ex: 0602-108 screen is not a ...
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49 views

Emacs ssh connection abbreviations [closed]

When connecting to a remote server via ssh in bash I use abbreviations in ~/.ssh/config file: Host aaa HostName aaa.ssh.myhost.com User user1 So I can connect to aaa.ssh.myhost.com, typing: ssh ...
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3answers
1k views

What is the equivalent of telnet localhost 25 with ssh?

What is the equivalent of telnet localhost 25 using SSH ? Clarification : I would like to have an SMTP connection with a server using SSH, just like it can be done with a command like telnet ...
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955 views

I think somebody tried to hack me

root@host [/var/log]# tail -f secure Jan 3 20:16:10 host sshd[22670]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.142.131.120 user=root Jan 3 20:16:12 ...
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1answer
308 views

How to copy a folder from remote machine to my system using ssh or any other way

Hi I need to copy a folder of size 885 MB from a remote machine to my system using ssh and port no is 1500 What is the command I can use to accomplish this path of remote folder is ...
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4answers
331 views

securing SSH and disabling direct root

In these instructions below what appears on my terminal is different so not sure what I should change. After port 22 mine says #AddressFamily any and further down for protocol it has longer line ...
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2answers
213 views

Autentification on SSH connection in OneLine [duplicate]

Possible Duplicate: Shell Script for logging into a ssh server I need to connect via SSH to a remote server, however I must do this with out interactive mode and with out use Public keys ...
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3answers
417 views

wrapper command for sshd_config?

Is there a command to set settings in sshd_config, instead of manually editing the file? I would prefer it to do this way, because it's easier to automate. Otherwise I'd have to grep config with my ...
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4answers
406 views

What is the proper way to automate SSH/local command?

I have gitolite on a Centos 5.5 box - when a repository is updated, I need to send a command to my bug tracking appliance to get the new commands. Right now, I have the following command working: ssh ...
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2answers
17 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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1answer
61 views

Understand debug messages from sshd [closed]

I'm using OpenSSH_5.8p1 in my machine,I'm connecting my machine using putty client but its slower so I have ran sshd in debug mode and found following messages can any one explain me in detail about ...
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2answers
63 views

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
31 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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3answers
53 views

SSH public key authentication works on LAN and not from WAN

I've setup my SSH server to use public key authentication. When I connect to my server on local network, it authenticates. But it doesn't when I connect over the internet. I don't think the problem ...
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1answer
90 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
52 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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2answers
327 views

Creating directory on an external hard drive via command line (SSH) on Linux

I have tried many approaches to create a directory on my external hard drive. Here is the details when I do fdisk -l What I get: pi@raspberrypi:~$ sudo fdisk -l Disk /dev/mmcblk0: 3965 MB, ...
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1answer
60 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
129 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 ...