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

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OS X USB installer utilities, cannot ssh any host

I booted my mac from a OS X USB key installer. I cannot boot it from the internal HD because OS is damaged. I want to copy some files from my Mac to another computer with scp. The problem is that ...
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17 views

I'm trying to deploy with git to a semi-managed vps, need to write a script to change owners

I'm trying to deploy my sites on my company's semi-managed vps server using this tutorial: https://www.digitalocean.com/community/tutorials/how-to-set-up-automatic-deployment-with-git-with-a-vps It ...
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26 views

rsync unexpected EOF in read_timeout

I'm trying to rsync directories from server A to server B, but i get the following error: permission denied unexpected EOF in read_timeout Command is: rsync -avzn ${LOCAL_DIR} ...
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1answer
31 views

Installing Node.js on a remote LAMP server with no internet connection

As a part of a student project, I am to host my Node.js-based server application on a server so that other people can try connecting to it and test the integrity of it's functions. The problem is that ...
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15 views

Customized Restricted shell

I want to implement authorization of bash commands.I started with TACACS+ Server and tacplus package.I did not find a way to do that.After that I Implemented some restricted shells.first bdsh that was ...
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2answers
118 views

Debian autossh boot script not working properly

I wrote the start script at the bottom of this question to try to get one of my devices to automatically create several remote forwarded ports with my VPS upon boot. (I've stripped the LSB tags to ...
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59 views

Executing Minecraft Server Commands via SSH and Screen

I'm extremely new to linux, so please help me out if you can! I have read many of the posts about managing/monitoring servers using SSH and Screen, but have not found anything regarding my particular ...
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36 views

Saving from arecord on a raspberry pi across a network to a mac

I've currently got a usb mic plugged into a Raspberry Pi B+ and am using the following code to record data: arecord --buffer-time=5000000 -D plughw:1,0 -f cd -t raw | lame -r - stream.mp3 I then ...
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30 views

keep getting broken pipe when ssh

I'm using Ubuntu 14 LTS with two machines. When I ssh into the remote machine, I keep getting pipe broken after une minute or two, and in my ssh client I set up the keepalive already. This happens ...
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50 views

Run windows local program from remote linux

I'm trying to run a python script on a remote linux machine accessed by SSH from my local Windows machine. The script contains a loop where for all files in a directory it's going to go to a certain ...
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56 views

tmux / screen ctrl+arrow (left right) doesn't work on SSH

I've configured tmux to skip words on Ctrl+right / left : set-window-option -g xterm-keys on It works just fine, but as I do SSH, it doesn't work and prints ;5D or ;5C.. The same issue occurred ...
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24 views

Is it possible to capture SSH+sudo output locally without writing the hostname and [sudo] lines?

Is it possible, when locally writing output from SSH command execution, to suppress the hostname and [sudo] lines? For instance, when I SSH into a server and run sudo <command> it displays ...
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32 views

Difference in the permissions of the file created by SSH and SFTP

I have a question and want to know how can I fix it so that the files created by SSH and SFTP by always have the same permissions in the case is 0644 for files. It is possible to make the permissions ...
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1answer
30 views

Modify username in ssh

When ssh into my home router, I use the admin credentials provided by my isp. How do I list all users along with their details (group/privilege) and as the superuser how do I modify their (and my) ...
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1answer
51 views

Linux Debian strange putty connection

I have just installed Linux Debian 7.8 on my VMWARE. Installed SSH and SSH-Server. I'm able to connect via putty with the local IP (192.168.x.x). When I try to connect from another computer after ...
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25 views

Eclipse over X11 forwarding is not showing all icons/assets

I have a virt running RHEL5 which has Eclipse installed on it. I'm using ssh -Y to start eclipse on my Ubuntu host. My problem is that not all assets in Eclipse seem to be shown. Some of the menus ...
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88 views

firewall-cmd doesn't work when called through OpenVPN connection, why not?

I recently set up OpenVPN to run on a remote CentOS 7 server. Once I establish an OpenVPN connection to the remote server from my local machine, I am able to ssh through the VPN tunnel with ssh ...
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90 views

Create SSH session between Kali Linux to Windows XP

I'm currently using PuTTY to connect Windows XP to Kali Linux which has been very successful. However, for a project I'm working on, I need to connect from Linux to XP (using PuTTY still), but the ...
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1answer
43 views

Running 2 OpenVPN on the same box

(Fist of all, I'm a total Unix newbie). I know I can create two (or more) user accounts with root privileges, and I can access them independtly through SSH sessions. But I don't know how Unix systems ...
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1answer
162 views

CentOS with AutoSSH, Port Forwarding Clarification

I'm using autossh and set it up like shown in the following example: http://surniaulula.com/2012/12/10/autossh-startup-script-for-multiple-tunnels/ I found it works really well, but need some ...
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117 views

When running some X prog. remotely with ssh -X, it says “libGL error: failed to load driver: r600”

OS: CentOS Linux release 7.0.1406 (Core) Kernel: 3.10.0-123.8.1.el7.x86_64 When I run xcrysden (http://www.xcrysden.org/) remotely through ssh -X, it crashes with error: "libGL error: failed to load ...
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1answer
36 views

Removed id_rsa unable to recreate passphrase

The other day I tried to make a new ssh key on my vps. For some stupid reason I removed the id_rsa file instead of just typing ssh-keygen -p When I now try to use that command it asks me for the old ...
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2answers
124 views

Script to SSH to multiple Linux Server and execute a find command [duplicate]

I need a script that can SSH to multiple servers and execute a find command to check when was the last time a file was created. I can get the fine command part, but I'm a little bit lost on how I can ...
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54 views

ssh into fedora inside virtual box over internet

I am running fedora server in a virtual box inside a windows 7 host. I can ssh into fedora from this windows 7 host. How ever, I stay out of my place most of the times with a laptop at my disposal, ...
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18 views

Connect to other devices under same AP isolated network

I am trying to debug my android application under a public wifi network. The network seemed to have AP isolation on so I can't connect to my android device using my notebook. However, both of my ...
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37 views

Authenticating a virtual machine against a git server

I have a CentOS 7 VM hosted on a Scientific Linux machine (Both branches are Red Hat). I'm using docker as the SW to emulate CentOS over SL. Communication between both is done through a bridge (a ...
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22 views

How to manually change “Host Access Control” settings?

I have a server I am managing. Is there a way to alter via SSH the settings made from WHM>Host Access Control. The reason being that after some changes to WHM, it now says "Your license could not be ...
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1answer
109 views

Run a command under sudo over SSH

I am accessing remote machine in Linux using Bash scripting.My code is as follows #!/bin/bash ssh -i manu_bp.pem ubuntu@54.68.67.68 <<EOF sudo -s cat ...
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1answer
41 views

One liner to ssh into a server, specifying an intermediary to tunnel through [duplicate]

At my company, In order to SSH into anything, I first have to SSH into an intermediary server like so: (me@local.machine) ssh intermediary.server.com (me@intermediary.server.com) ssh ...
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1answer
36 views

Putty not asking for Two Factor Authentication Code

I'm running a CentOS 7 server. So I've installed Two Factor Authentication with Google Authenticator a while back and all was well. However I can't access my server at the moment over SSH. PuTTY and ...
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29 views

Is it possible create a ssh jail with gcc and g++ access? 14.04 Ubunutu

I would like to share server access with my computer science cohort and I wanted to know if its possible to create a ssh jail with gcc g++ access. What are best practices and how might you create ...
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46 views

Can I “hijack” a UNIX shell from another login? [duplicate]

Let's say I'm starting a job in a Unix terminal on a machine (a Mac if it matters), and this process does a lot of things and keeps printing output to the terminal. Then I go to another machine and ...
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1answer
55 views

Connection lost to VPS While using iptables by default policy as DROP for INPUT, OUTPUT, FORWARD

I'am using iptables in many server's but now stuck with this issue while using default Policy as DROP. Here is my rules which i have used in VPS, Tried many time's everything seems fine but VPS ...
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1answer
63 views

block from SSH and FTP

yesterday i was upload some images using filezilla to my VPS , and today when i tried to login into my VPS i got connection time out , same thing when i tried to access using FTP. but i can acces ...
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86 views

Sudo command not working on Intel Galileo Gen 1

I have an Intel Galileo Gen 1 Arduino board and I am using it over SSH with Ethernet. When I try to use the sudo commands the bash terminal reports this, a missing command! I am using the bigger Linux ...
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1answer
45 views

Ugly bash function to send commands and “say” anything in screen over ssh. Is there a better way?

I’m working on a function this works but it is ugly. One thing that could be changed is being able to know the name of the screen. Using screen -dms minecraft java ….jar now starts a screen session ...
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75 views

Establish reverse ssh tunnel at OS startup / network connection up

I'm trying to setup a reverse SSH tunnel using a middle-man, due to firewall restrictions. I took the following steps: from ssh server do reverse tunnel: ssh -R 8080:localhost:22 ...
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30 views

Is there a large performance difference between find and find2perl

Is there a performance difference between find and find2perl? I work for a hosting company and I was told that our admins prefer us to use find2perl over find. Supposedly this is because find is ...
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1answer
134 views

How can I use SSH to tunnel Minecraft clients to my MineOS server?

I have a MineOS Turnkey server running on my university's network and its locked behind their firewall. I have been able to connect to their Linux servers using SSH and then SSH to my server from ...
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506 views

CentOS 7 add new user with root privileges

I am reading this tutorial, and trying to create a new user with root privileges and then block root access via ssh in a CentOS 7 server. The problem is that the new user is blocked from doing root ...
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1answer
25 views

SASL authentication fails when called from crontab

When I run mbsync from the command line it works fine. But if mbsync is run from the crontab, mbsync fails with this error "Error: SASL(-1): generic failure:". My guess is that mbsync's SASL ...
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85 views

Linux Mint will not allow traffic from one specific PC on LAN

I was editing /etc/network/interfaces, and then decided to change my settings over VNC instead. This halted my SSH session and also my VNC. I'm not sure if this locked me out or not, but I set cron up ...
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40 views

Configure connection from Virtual Machine to a specified server

I know this might sound rather ambiguous, but I don't know how else to put it. I'm working on a Virtual Machine and I use SSH to connect to another virtual machine . Is there anyway that I can ...
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2answers
29 views

Is it possible to configure ssh to login with a key if it exists or use a password if it doesn't?

I'm trying to configure sshd for our internal network to accept public key authentication if a user has set up their key or ask for password if the user has not, but not both. So a user should be ...
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24 views

Remote shell weird behaviour using arrow keys and editing commands

I am logged in remotely over a rather slow connection and the terminal is doing weird things when trying to edit commands. For example, I start with find . -type f | xargs grep "_RWSTD_STATIC_CAST" ...
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1answer
301 views

ssh connection closed, after prompting password

I'm using a debian based distro for Raspberry Pi (Raspbian). Sometimes I cannot ssh to my Pi. A reboot solve the issue, but I don't always have physical access to the Pi. here's what happens: ...
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1answer
69 views

SSH login attempts

The log on my server is full of entries like these: input_userauth_request: invalid user dennis [preauth] Received disconnect from xxx.xxx.xxx.xxx: 11: Bye Bye [preauth] Invalid user park from ...
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89 views

SSH client connection not working to remote servers not working

I am unable to connect to other machines from one of my servers. Here is the verbose output (IP, domain, port are masked. OpenSSH version info removed): $ ssh -vvv user@example.com -p yyyy debug1: ...
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1answer
33 views

SSH connection gets lost, but not when logged in to MySQL

When I open an SSH connection to our database server and leave it open for a longer time, the connection gets lost at some point. I don't know why or how, but this happens a lot. I still see the ...
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75 views

Network communication between two nodes in a Hadoop cluster

I am running a 7 node hadoop cluster with each box running Ubuntu 12.04. It is running CDH4 setup using Cloudera Manager. It was already setup and running when I came in but now I'm running into a ...