SSH, otherwise known as "Secure Shell", is a method for securely connecting to a remote computer.

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How to keep connection open between Ubuntu Server and Mac/Windows?

How do I keep my NAS connection active between my NAS running Ubuntu Server and my Macs/PCs? I've built a PC and installed Ubuntu Server to use as a NAS. The goal is to be able to access documents ...
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1answer
11 views

Unable to write to /var/log/btmp

I recently had a bunch of entries in my btmp log [because of a boneheaded move on my part] I resolved the issue, but now I would like to clear that log, I copied it somewhere else for reference and ...
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0answers
18 views

How to prevent Ubuntu Server sleep/hibernation

I'm running the latest Ubuntu Server (quite literally downloaded & installed yesterday) on a box under my desk. I've got trac installed and OpenSSH. Intermittently both become unavailable, as if ...
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Ubuntu 12.10 (32 bit ): ssh not available and not installing [duplicate]

I am installing ssh on my ubuntu 12.10 quantal. To see whether ssh is there or not on my machine. i used these commands. which ssh which sshd It didn't show any output. Then I tried to install ...
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36 views

ssh command related problem

I am facing problem with the ssh command currently. Earlier, it was working just fine, but now when I am trying to execute the same command, it says, ssh_exchange_identification: read: Connection ...
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0answers
36 views

vi issue in SSH TTYs to Ubuntu 14.04.1 LTS

After upgrading my server to Ubuntu 14.04.1 LTS, I can no longer use the vi editor to edit anything in an SSH terminal (I access the server by launching ssh sessions from Cygwin running on Windows). ...
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2answers
23 views

Where are stored ssh client private keys?

On client, after I do ssh-add to add my private key everything works fine, ssh-add-l lists key and I can connect to hosts that have corresponding public key, but nothing changes in .ssh dir as it ...
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1answer
15 views

How to change the default position of ~/.ssh/authorized_keys

My VM server is installed ubuntu 12.04 and connected to a storage (not sure about the system of this storage). I have change my home directory to the storage. However this storage could be assessed by ...
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13 views

List usernames/machine name for display-less machine

I have a display-less machine (faulty VGA) I am trying to SSH to over my local network by doing something like ssh username@machinename.local as described in this solution. I know the password for ...
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3 views

Jailkit freezing

I'm trying to jail ssh users on my Ubuntu 14.04 server. So after installing Jailkit version 2.17 (with the help of this tutorial) I'm now trying to follow this AskUbuntu answer to use Jailkit. After ...
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2answers
43 views

Ubuntu ssh clients

is there a ssh client similar than filezilla but i all so need to use terminal sometimes. Support for ssh access key is all so requirement. It would be great if i just could jump up and down files in ...
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4answers
145 views

need to connect as **root@my-server-ip** with SSH [duplicate]

I have a VPS with Ubuntu 14.04. I need to login as root to my server over SSH. I set a password for root: sudo passwd root then enabled it: sudo passwd -u root then rebooted my vps: sudo reboot But ...
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1answer
41 views

Can't SSH in as root

I'm using the default installation of openssh-server for my Ubuntu 14.04 server. I can connect through the console as root like normal, with my username and password. When I try to SSH with the same ...
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9 views

SSH and Keyring utility

I have an SSH account at a certain host, and I plan to access it very frequently. Recently I added this "key" to what looks like an SSH keyring. How do I make ssh log in automatically to a certain ...
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22 views

Looking for text BBS software

I would like to know if there are text-based, bulleting board system forum servers for Ubuntu. Which can be used via telnet or ssh. I was searching for this kind of software and came to this BBS ...
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30 views

Ubuntu subversion repository not getting checked out

I have some problems with checking out my repository. First, I ensured that everything is up to date: ubuntu@ip-172-31-10-247:~$ sudo apt-get update perl: warning: Setting locale failed. perl: ...
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1answer
34 views

How can I SSH to remote server through VPN, running on a VM?

I have an Ubuntu VM that is connected to a VPN (using OpenConnect on Ubuntu), and I want to SSH from my OS X host to the VPN through Ubuntu: (osx_host) --ssh--> (ubuntu_vm) --ssh--> ...
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0answers
33 views

How to start/configure pulseaudio remotely with ssh?

I have a remote machine to which I can ssh. On the remote machine there is a program that uses pulse audio to get input from a USB microphone attached to the remote machine. This setup works fine when ...
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32 views

X11Forward Ubuntuserver - cannot open Display on Android-Tablet

After some day's searching and testing what google etc. tells, i could no find any help for my problem. I have an Ubuntu 14.04 server (10.0.0.99) with Lightwight X11 Desktop Enviroment. I have ...
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29 views

SSH user problem

I am sort of a Unix newbie, trying to set SSH for my 12.04 server. I have 2 users in my system one has password the other does not, both are set as admins. My object is have the passwordless user ...
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1answer
26 views

ssh to different network inteface?

I don't know the right vocabulary to more succinctly ask this question or to search for duplicates: Someone who knows what I'm trying to ask, please edit the title of this post to be more accurate. ...
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3answers
39 views

How do you limit root to no more than 1 login at a time?

I took a practice test for a cert and one of the questions was "Limit root to no more 2 simultaneous logins, make this configuration persistent between restarts". I didn't even really know this was ...
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27 views

/dev/mem: mmap: Operation not permitted: Using dmidecode

I am trying to get my BIOS firmware version, and memory info using dmidecode. I am connected to the server through ssh as a root user. We recently just started moving our servers from Debian 6.0, to ...
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17 views

ssh-agent keeping key unlocked longer than it should

I have been having some issues regarding my ssh passphrase and ssh-agent. My intent is that I would like to be prompted for my passphrase for my ssh key everytime I close my terminal an then try to ...
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0answers
21 views

Create FTP account with vsftpd limited to one folder only?

Have a fresh Ubuntu install 14.04 on digital ocean. Just installed vsftpd using this guide: https://help.ubuntu.com/12.04/serverguide/ftp-server.html#vsftpd-userauth-configuration The only things I ...
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18 views

How I got my error: malformed file

This question on askubuntu is about the error: malformed file Not only here on askubuntu, but everywhere else I've been reading about it, this is considered certain to be a GRUB issue. I thought it ...
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14 views

Fresh install of ubuntu SSH only working from localhost

I installed the latest version of ubuntu on ESXi as a VM. I then installed openSSH and it worked once from a remote machine and got hung up when trying to execute a command on mysql. Ever since I ...
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1answer
38 views

SSH failing to connect

I'm trying to set up an SSH connection to my DDWRT router. I followed instructions on generating a key pair in the Ubuntu documentation SSH/OpenSSH/Keys but I'm not able to connect. The debug ...
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0answers
56 views

SSH connection failing since I changed server port number

Yesterday I changed the default ports on the server from 22 to 1993 then restarted but now I can't connect at all. I used ssh -i keyname.pem ubuntu@remotehost to connect then sudo vi ...
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22 views

Stuck trying to Securely access my home network from my Android phone over 3g/4g

First, I am able to use simple port forwarding on my router to access each IP cam individually. This is an unsecured method and is exactly the solution I am trying to get away from. I am a Linux ...
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0answers
9 views

SFTP Excecute Bit does not seem to be working correctly

I am trying to replace an existing FTP server and switch the users to be using sftp. We have some strict requirements as far as permissions required on the folders. For instance on the user's FTP ...
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44 views

Ubuntu 14.04 LTS couldn't reach Internet / Router Problem?

I have a big problem! My Setup is a Ubuntu 14.04 OS with everything up to date! also the kernel is updated to 3.16. this NAS is directly connected to my router (TP-Link WDR4900v1) that has openwrt ...
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24 views

VNC across the internet through SSH tunnel to another machine on LAN?

My family often gets me to help them with computery things that they can't do themselves, but this has become difficult as I've moved to another city to study at university. I managed to set up a ...
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21 views

XRDP vServer not connecting

i have bought a vServer recently. Now i can connect via putty. Also i can login. I installed ubuntu-desktop and xrdp via apt-get install. I have done that all on putty console. I even restarted xrdp. ...
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1answer
41 views

Copy data held by www-data over ssh

I have an apache server (machine #1) holding a database which I want to rsync distantly (the server is actually owncloud, for those who know). My data is maintained by the server and its rights are ...
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1answer
40 views

Unable to initialize frontend: dialog when using ssh

I am executing the following command over ssh in a testing environment, as root: ssh <remote_srv> "apt-get autoremove" In my sshd_config I have "PermitRootLogin without-password" and I have ...
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2answers
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Docker. How to get bash\ssh inside runned container (run -d)?

I want to ssh or bash into runned docker container. Please, see example: $ sudo docker run -d webserver webserver is clean image from ubuntu:14.04 $ sudo docker ps CONTAINER ID IMAGE ...
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12 views

OpenMPI Error: unknown option “--tree-spawn”

I am trying to configure two pc for working with openMPI, i installed openmpi and openssh on the PCs but when i execute: mpirun -np 4 -host slave ./a.out i get: [slave-901:07002] Error: unknown ...
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1answer
31 views

Don't let anyone to ssh on my PC

When i am in a network, and others know my password, they can easily ssh on my PC. I want to log them out when ever they try to ssh on my PC. And mail that log ip to root. So what should i do, ...
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2answers
38 views

Ubuntu VMs with static ip address in VirtualBox

I'm a beginner in networking and try to setup multiple Ubuntu VMs on VirtualBox for the learning purpose. For the multi-node Hadoop cluster setup, I installed VirtualBox in my laptop and installed ...
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2answers
127 views

SSH login without password not working from rc.local

I have created a bash script as follows and saved it as /usr/bin/db.sync.sh: #!/bin/bash rsync -ar --delete /files/database_backups slyme@192.168.1.4:/users/slyme/Documents/server_backups I have ...
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45 views

Not able to configure SSH in Ubuntu 14.04 LTS

I downloaded and installed Ubuntu 14.04 LTS on my VM and found that SSH was not working. Tried following but nothing worked: sudo apt-get install ssh I see only openssh_client installed, I don't ...
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1answer
20 views

timeout during ssh connection

I have an ubuntu pc in my office. I can use this computer through teamviewer. But I not use ssh connection. This is my office computer: donbeo@donbeo-OptiPlex-790:~$ sudo service ssh status ...
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0answers
45 views

Refused connection of ssh

I installed openssh on my new Ubuntu14.04 server, turned on ssh, and enjoyed it after I finished installation. Every thing was fine; however, after just one night, I was blocked when using putty as ...
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1answer
31 views

How can I configure a second SSH key + user for a single server?

I have a SSH key which is passphrase-protected. Authentication to the server is by SSH key only, password authentication is disabled. Both the server and my desktop run Ubuntu 14.04 and authentication ...
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8 views

Some advanced SSH tunneling HASHING IP address

Is it possible to to stay in total anonymous mode for the VPS provider? I have got a VPSVZ machine with UBUNTU server. Is it possible to do anonymous tunneling: VPS1 -> VPS2 -> VPS3 (all UBUNTU) ...
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70 views

SFTP/SSH Not Working in Ubuntu Touch

It was working before but now it stopped working. Even in Ubuntu SDK I can't run my application directly to my device...though I'm not sure they are related. The error is: Command: open ...
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1answer
30 views

cannot ssh via inadyn and freedns

I am having trouble getting ssh to work with a dynamic IP address. I have two laptops, one host and one guest. I have ssh set up on the host and I can ssh in from the guest as long as I know the ...
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48 views

SSH LOCALE setting

I use SSH to connect remote PC. When I've connected I have wrong LOCALE configuration. And every time I have to execute command: export LANG=en_US.UTF-8 My local and remote user LOCALE already set ...
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how to change desktop background in ubuntu desktop

I was using gnome desktop environment at the start but i switched to unity environment by install unity shell via this command sudo apt get install Ubuntu-desktop after this I have many issues like ...