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

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Accessing a file constantly on Ubuntu 12.04

I have a text file on one of my computers that is running 12.04. I was planning to use ssh to allow for another computer to read this text file. The issue is that the system that I am working with is ...
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1answer
33 views

root must be setuid root

I accidentally ran this command chmod -R 755 /usr/bin on my remote server [Ubuntu 12.04.3 LTS], and I don't have the root password. When I run sudo it gives me sudo: must be setuid root, This is the ...
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0answers
8 views

SCP push and SSH issues

I used to be able to SSH with the servers (CentOS release 6.4) local IP: 10.0.5.152 until an employ made some changes to our setup which also generated a new IP address on my machine, from ...
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0answers
8 views

juju bootstrap ssh no route

the problem is based on the context of VirtualBox, they are set on 3 virtual machines whose nodes are associated with a cluster controller, however when it completes the execution of "juju bootstrap" ...
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0answers
13 views

xinit fails on Ubuntu Server 14.04 LTS

I need to run on my server application with GUI. The only way to connect to the server is via SSH. So what I have already have done is sudo apt-get install xosview xosview is simple program with ...
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15 views

when I ssh to an ubuntu machine, why is my shell /bin/sh and not /bin/bash?

I'm not exactly sure what is going on with these 2 machines I'm working on. I've inserted my debug log. maybe somebody knows what's going on based on this output. As far as I know i didn't do ...
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0answers
6 views

All SFTP chroot access is read only?

These are the pertinent lines from my /etc/ssh/sshd_config Subsystem sftp internal-sftp Match Group sftp X11Forwarding no AllowTcpForwarding no ChrootDirectory %h ForceCommand internalsftp ...
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0answers
17 views

What is the best auto ssh sync tool in ubuntu? [duplicate]

I search over google, found lot of tool for backup but i want a tool can ** automatically (every 30min) sync to server ** and update new files on server. all backup loots genarate unreadable ...
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1answer
33 views

How to run backintime as a user

To allow users to run backintime. I am usually running backintime-kde on ubuntu in the following way: sudo su ssh-agent bash backintime-kde4 --config /root/.config/backintime/config --profile-id 1 ...
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2answers
35 views

Can not connect to Ubuntu 12.04 server using SSH

Yesterday I have posted question for creating FTP users and set access permission. Here is the URL. Create FTP users with limited access only to home directory Ubuntu 12.04 Based on Answer I have ...
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1answer
23 views

Cant have passworldess ssh between 2 ec2 servers - Permission denied (publickey)

I created 2 aws ubuntu 12.04 servers I uploaded the id_rsa and id_rsa.pub files to both servers I ran the below on both servers chmod 600 id_rsa* eval `ssh-agent -s` ssh-add ~/.ssh/id_rsa What ...
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2answers
29 views

Bash script to enable / disable SSH

Im running ubuntu 14.04 LTS (no GUI) and im looking to write a bash script that does the following: Check to see if the ssh service is enabled or disabled If enabled, then disable, if ...
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1answer
10 views

How can I override the title of an X11 window running across an SSH tunnel?

I am SSH'ing into a server which has a copy of Firefox installed on it that I need to run. I can SSH in and run Firefox, and it will run remotely as expected. However, I need to frequently have two ...
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0answers
15 views

Mount NFS drive fails. Portmapper problem?

I have a server and node connected via ethernet. They both run Ubuntu 12.04. I share a file with nfs from the server but cannot mount it on the node. Here is some more info. node1@node1:~$ sudo ...
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1answer
31 views

How to Start Program After SSHD is Up and Running

I'm working on a project that requires I start a GUI before the login prompt. I had this working under 12.10, but today I migrated to 14.04 and it's breaking stuff. At this point I've configured Grub ...
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4answers
30 views

SSH remote command execute stays without disconnect when finished execute?

I am trying to build a script/command that will restart our Asterisk/Elastix service on our PBX. The script is basically using simple command with auto log-in public key that run from Ubuntu ...
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0answers
9 views

Accessing a process after closing the consol

Basically I am using Ubuntu to run a minecraft server via a VPS and I’m using putty to control it. once I have started my server and everything is running, I’m in control of the server console, just ...
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1answer
33 views

permission denied for root@localhost for ssh connection

I just installed Ubuntu 14.04 and LAMP on that. Then, I wanted to configure my server, so tried out This tutorial. When I give the command: ssh root@localhost I get : Permission denied, please try ...
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55 views

how to install ubuntu on a computer without using a monitor? [duplicate]

I have a computer but with no available screen, how can I install Ubuntu server on it using a laptop I have, I can't format the hard drive in another computer and buying a new monitor is not an option ...
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1answer
15 views

How to prevent ssh login in Ubuntu 12.04 for users without home directory?

I have LDAP auth configuration and I want to prevent user to have access to a computer without home directory on it. Console login and kdm login work fine - user access is denied, but sshd permits to ...
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0answers
18 views

sftp error in Nautilus on 14.04

When attempting to use sftp in Nautlius, either via the location bar or the 'Connect to Server' menu, I get the following message: Don't have permission to access the requested location. When I ...
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1answer
53 views

Unable to login via ssh to remote Ubuntu machine - connection refused

I have a very recently installed Ubuntu box and the only change I have made is change the hostname to mail and hosts file now says: 127.0.0.1 localhost 127.0.1.1 mail Anyway if I attempt ...
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14 views

How to add users in FileZilla for specific folders in Ubuntu?

Today i have a question for FileZilla in Ubuntu. How can i add a FileZilla's user (with different passwords) with ssh access, for a specific folder? Examples: The user "Admin", with the ...
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0answers
14 views

Server Upgrade an 'end-of-life' Server from ISO over SSH

I have read that it is possible to upgrade ubuntu from an ISO image, but would the same be possible from a remote location over SSH? After mounting the ISO, what command would I use to upgrade? I ask ...
2
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1answer
55 views

Permission denied error after SSH login

I am having Permission denied errors after logging with non root user (which has permissions to do "sudo -i" command). I get these errors: -bash: /bin/uname: Permission denied -bash: [: =: unary ...
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2answers
12 views

Where is the hostfile located?

working on setting up a local development environment. Im pretty new to Linux. I am using Virtualbox for Ubuntu server inside of the Ubuntu Desktop I am running. After setting up port forwarding I am ...
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1answer
19 views

Problem with my ssh in ubuntu 14?

When I tried to connect from my Debian to my Ubuntu 14 appear this message below What is necessary to do for fix this error?
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1answer
18 views

How can I add a message after the “last login” shown when starting san ssh connection?

I can't find how to add a message after the "last login..." line on my Ubuntu 14.04. I can edit everything before using the files in /etc/update-motd.d/ and I can show/hide the last login message ...
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1answer
20 views

SSH to user from external network says permission denied, works fine from internal network

Okay, I have Openstack installed on a server. I can SSH to the openstack server I have set port forwarding on that server I can ssh to the instance using private AND public(floating) IPs when done ...
2
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1answer
30 views

scp error in ubuntu 12.04

When I'm connecting to server from my local desktop - it is connecting. When I'm using scp over port 22 - have timeout. I'm using following commands to connect via SSH: ssh -p 22 ...
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0answers
20 views

ubuntu vm on open nebula doesn't se internet connection

I have some problem with ubuntu and open nebula. I'm trying to setup one installation of ubuntu on open nebula. Start from this assumption: my machine as an i7 with 16 GB of ram and runs ubuntu ...
0
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1answer
46 views

suddenly can't SSH (connection refused), sshd service not recognized

I have Ubuntu running on an old desktop as a local file server, and it's been working fine for the last three months without me ever needing to touch it, however today I wanted to change some ...
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24 views

Transfer file from Ubuntu to Android using SCP

I am on my Evo 3d rooted android device and using JuiceSSH to SSH into my Ubuntu 14.04. I want to transfer some files from Ubuntu to Android. Now after doing some research I found that good way to go ...
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23 views

SSH issue - No Route to Host

I have a server I use on my network for downloads from untrusted sources. It's on a DMZ with no allowed outbound connections to my internal LAN. It also hosts a web front end by which I initiate and ...
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0answers
11 views

How would you access a remote system tray with X11 Forwarding via SSH?

X11 Forwarding is fantastic to remotely launch new programs. Some popular programs open themselves into the system tray (Dropbox, for example). I know you can use VNC or RDP for this, but is there a ...
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2answers
64 views

Cannot SSH from outside LAN despite port forwarding seems fine

Running Ubuntu 12.04, I've set up the OpenSSH server. I can connect from within LAN, but not from outside. I am using the same sshd_config file as on my other Ubuntu 12.04 machines (that sit in a ...
2
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1answer
15 views

Natulius “Connect to server”

i used to manage the remote servers connection with the bookmarks options. Since 14.04 the connections i used is saved in a popup window - how do i edit them? also - if there is a better way of ...
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1answer
27 views

What are these other sessions in SSH? [duplicate]

I use VirtualBox for Ubuntu on my Windows 7 computer. I set up SSH and got in through Putty just fine. However I wanted to know how to see who was connected. So I Googled a bit and found "who" and ...
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1answer
56 views

Is it possible to “SSH” into my virtual machine remotely?

My home computer: Windows 7 laptop also running an Ubuntu virtual machine via VirtualBox with a bridged network connection (as opposed to NAT). My work computer: A Windows 7 computer. I want to SSH ...
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1answer
36 views

SSH remote commands very slow after migrating from 12.10 to 14.04 on EC2

I had a number of 12.10 machines running on EC2 and provisioned them using scripts built around: ssh scp rsync Now I have replaced most of my 12.10 machines with 14.04 machine and am finding that ...
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0answers
29 views

ssh, problem with headless device

I have Ubuntu 14.04 installed on a headless device. Since the last update and shutdown it is not possible to connect via ssh anymore. nmap shows the machine is up and in the network, all ports are ...
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0answers
48 views

ssh authentication failure in ubuntu 14.04

I'm running 14.04 via VMware in my mac, I create an rsa.pub key and now I want to pass the key in my Mac /known_hosts file. So I try it with: cat ~/.ssh/id_rsa.pub | ssh root@newserver "cat ...
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2answers
23 views

I accidentally did ssh-add -d .. how do I re-add my key from authorized_keys?

I accidentally did ssh-add -d, trying to remove a certain key but it removed all of them from my ssh-agent. Do I need to re-add my key from authorized_keys or will it automatically happen next time I ...
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3answers
43 views

juju bootstrap using maas unable to ssh into nodes

Trusty : 14.04 Trying to bootstrap JUJU using maas environment using juju -v --debug bootstrap -e maas but the process gets stuck in the lines shown below and finally times out. My maas nodes are in ...
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1answer
31 views

How do I set up SFTP file access logging for OpenSSH?

I have an SFTP setup using the built-in sftp-subsystem of OpenSSH with chrooted users. In the old days when I used to use FTP, I was able to see what files were accessed by users in the logs. How do ...
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1answer
32 views

Can I install Ubuntu 14.04 on a 8 GB ssd harddrive?

I d like to buy a Lenovo Ideapad z510 Laptop which has got a 508GB SSH harddrive (it s 500 GB SATA and 8 GB SSD). The preinstalled OS is DOS, I want to replace it with ubuntu Is the 8 GB SSD ...
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16 views

Want to know how how secure my system is with current settings

My system is at kernel 3.15.2 Mainline. I have Enabled the firewall with all ports closed. I have very strong passwords set for BIOS, Drive Encryption, and login SSH is Disabled. I have installed ...
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1answer
54 views

Cannot access 14.04 using ssh/scp?

When I tried to access my ubuntu using ssh or scp from other OS, I cannot access, same as I put correctly password root. See the file below If I use ssh appear the same problem... How can I fix ...
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28 views

Ubuntu 12.04 - SSH hang at reading configuration

Hi fellow Ubuntu users! I currently have a problem when connecting to remote computers at work. Here is the log : OpenSSH_5.9p1 Debian-5ubuntu1.4, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading ...
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72 views

Black screen when accessing Ubuntu remote host via VNC and vino-server

I have a headless server and I am trying to setup a VNC connection in order to access it with a GUI. Now I have only root access via ssh. I have followed most of the instructions given here Enable ...