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

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Cant use scp with wdmycloud

I can successfully log in to mycloud as root or another user I added. I need to use the scp command to send an image to my folder. It keeps asking for the password and saying its wrong when I know ...
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2answers
27 views

“Replace” default shell (bash) with tmux

Background: An co-worker at my company uses tmux all the time, in our spare-time he teached me mastering tmux and vim and I really fall in love with the power of this combination. Currently, I am ...
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2answers
47 views

scp not working without password

I created keys so I can transfer files and run commands without having to enter in a password. I used this guide to do it: ...
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1answer
72 views

How to run multiple sudo commands over already opened ssh connection

I am trying to navigate from one server"USER1" to another using ssh as a user "USER2". ssh -t $hostname "sudo su - USER2; whoami; pwd" Post executing the above, I am able to successfully navigate ...
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1answer
42 views

How to run a script on a remote machine using the screen command and ssh?

I'd like to run on a list of servers and run remotely a script while using screen. Manually, I'd do: screen -RD ./run_script and manually remotely I'd do: ssh root@server "screen -RD && ...
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2answers
47 views

Script works without sudo, fails with sudo

When I launch this script: #!/bin/bash -v sshpass -p '<pypasswd>' scp blah.img root@myip:/home/user/blah.img exit 0 with ./script.sh or nohup ./script.sh & it works. But when I do ...
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1answer
131 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 ...
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2answers
48 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 ...
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2answers
104 views

executing command as su

I am executing this command as su. I have made the connection with SSH (using sshNet), and then when I try to set the command su -, I get no response. I have the password and the command I would like ...
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2answers
468 views

Shell script for ssh into a Unix/Linux server from MacOS X 10.10

I am attempting to ssh into a server by using a bash script from MacOSX. #!/bin/bash spawn ssh username@gatewayserver expect "password" send "Mypassword\r" interact spawn ssh ...
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1answer
816 views

SCP without password prompt using different username [duplicate]

I have 2 servers, Server1 and Server2. On Server1 I have a user named user1. On Server2 I have the user named user2. I need to be able to write a script that runs on Server1, which will scp some ...
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1answer
133 views

How to stop background processes started with screen

This question might have been asked before but I don't see it. I use screen ssh to remotely start processes that take multiple days. I ssh in, start multiple processes in the background, and detach ...
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1answer
870 views

How to ssh into remote machine and create new user in bash script

I am writing a bash script and would like to ssh into a remote machine and execute the adduser command. This is not working, all that I get is the --help text for adduser when I run the code below. ...
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2answers
239 views

Login by ssh , exec one command and i don't want to quit the bash

I want to change PS1 when i ssh another centos strshell = 'PS1="remote!"' os.system("ssh -i %s -l%s -p%s %s %s"%(SSH_KEY,SSH_USER,SSH_PORT,des,strshell)) ssh quit automatically. I want to ...
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2answers
543 views

Access remote server after running ifdown eth0

I had a problem: Could not retrieve mirrorlist http://mirrorlist.centos.org/release=6&arch=x86_64&repo=os error was 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'" Error: ...
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1answer
485 views

Create ssh root password

For some reason, after a plesk update, I can no longer login to ssh as root using my old password. I have tried to create a user with: /bin/bash & /bin/bash (chrooted) in plesk Which lets me ...
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4answers
1k views

Why does this shell script fail in bash, but the commands work in SSH?

I'll first admit to being quite the noob in Linux/SSH/etc. What I'm trying to write is a shell script that will back up a website and all the MySQL DBs that support it. I found examples all over the ...
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2answers
178 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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1answer
333 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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3answers
2k 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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2answers
862 views

Ssh 'access denied' from one host but not the other

Consider the following scenario: I have a Debian-ssh-server setup and exposed it to the internet for some time for testing. Also I have an account which is basically configured as root in the sudoers ...
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1answer
141 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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1answer
358 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
99 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
326 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
159 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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2answers
55 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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2answers
1k views

How to change search result highlight in vi?

The scenario: I log on a server using ssh, and search for keywords in a log file using vi. The problem: at the moment, the results of a search is only highlighted by a cursor _ below the searched ...
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2answers
2k 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
893 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
751 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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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
10k views

Checking if files exist in some remote folders with bash

I need to do a script to look in some folders and send an email if there are files in these folders. I've tried to do something like this but I get errors with the command variable and print of the ...
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2answers
268 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
715 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
508 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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1answer
49 views

Why the number is rounded over ssh? [duplicate]

localhost:~ $ df -k / | awk '{print $3/1024/1024/1024}' 0 0.00618061 localhost:~ $ ssh localhost "df -k / | awk '{print $3/1024/1024/1024}'" 01 01
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1answer
26 views

Unable to execute batch remote commands after pkill command

We've a scenario where I'm executing various remote commands at once like the following: ssh user@remote-ip " ps -A | grep java rm -rf /usr/share/tomcat/webapps/ROOT ls " The above set ...
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2answers
33 views

Working with firewall-protected server through ssh (dynamic IP)

I need to work on a Debian 6 server through SSH. The server is firewall-protected and SSH connections are filtered based on the user IP. Unfortunately I have an ISP provider with dynamic IP - it's ...
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2answers
42 views

How (and whether) to copy and paste on an ssh web interface?

A web page provides web-based ssh access to a linux machine. I'm using it one a Windows7 machine. While editing a file in vi, I want to repeadetly enter the following: j0nhd0 This (1) goes to the ...
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1answer
39 views

How to change password of an ssh identity file

Can I, and in that case how can I, change the password of an SSH identity file without having to generate a new key and setting up it all over again?
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2answers
54 views

Linux ssh log audit

I want to monitor ssh logins into a Linux box: who, from where (IP address) and when. How to open related logs? A simple document is appreciated.
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2answers
76 views

Can not execute command with root in a remote Linux host

I try to migrate shell code to Python fabric code. The issue I meets is that Python can not execute command with root in a remote Linux host. Could anyone meet this issue and figure it out? I am very ...
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2answers
82 views

How to make the script automated to take password on its own?

I have a script that is doing sftp some files from one server to another, like inside the script script.ksh I have the below lines; sftp user@ip_address << EOF cd path put file1 bye EOF When ...
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1answer
37 views

start process from ssh and be able to close connection [duplicate]

I'm connecting to my RaspberryPi with Raspbian installed via ssh and my problem is, that I can't let the RasPi do things (installing software, make calculations) while my Computer is shut down, since ...
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1answer
108 views

Run script on multiple hosts [duplicate]

I have below script which creates user list and also filters ignore.txt file to ignore matching usernames. I would like to run this script on multiple hosts like hostA, hostB, hostC. Like if I run on ...
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2answers
186 views

Connection Timeout for ssh connection depending to the ip location?

I have a machine where I can connect it using ssh from different networks. But when I have moved to other country I have not be able to connect it. What may be the cause? I am able to ping the server ...
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2answers
58 views

How is pipe involved in ssh?

My internet connection was lost When I ssh to a remote machine over the internet. It says $ Write failed: Broken pipe How is pipe involved in ssh? Does ssh implement communication between the two ...
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1answer
48 views

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
228 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: ...