Secure Shell or SSH is a network protocol that allows data to be exchanged using a secure channel between two networked devices.

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40 views

The logic of Disabling Root Login

Ubuntu 14.04 VPS user here. My VPS was hacked twice. And the third version is up. Fingers crossed. The mistake I made in the first two was that I had root + password login enabled. I've learned ...
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1answer
58 views

Ubuntu Plesk SSH issues (permitRootLogin)

I got a new Ubuntu 14.04 server with unlimited Plesk delivered and working. If I try to migrate the old server through Plesk's Migration Manager it reports the following issues: rsync execution ...
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0answers
99 views

Can't increase ulimit in Centos 6.6 - never persists

I'm trying to increase the nofiles limit in my Centos 6.6 system. My user is 'hchiu', and this is what I appended to my /etc/security/limits.conf: * hard nofile 128000 * soft nofile 128000 I've ...
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1answer
12 views

Conveniently SSH to internal hosts?

I recently discovered that with ~/.ssh/config, I can save a lot of keystrokes and automate long command lines, specifying a lot of per-host defaults. Now that I noticed how powerful the tool can be, I ...
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1answer
45 views

Copy my ssh key to remote machine via ssh-copy-id in a script without prompt?

My usecase is that i need to copy my ssh key for authorized access onto a remote machine. I need to be able to call a script that copies over my ssh key to the remote machine without needing my input. ...
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0answers
5 views

ssh-add issue Could not open a connection to your authentication agent

I'm having a little issue with my ssh-agent. Indeed I can't make it work and I don't understand why. This is the console's output : http://hpics.li/807f3fe I'm sure that ssh agent is running. For ...
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1answer
20 views

Android app with ssh-copy-id ability

As the titles says, I would like to copy my ssh key to the server and afterwards disable root password login for security reasons. I'm using JuiceSSH but it seems to lack ssh-copy-id for the free ...
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6answers
2k views

Shut down computer using ssh

What ways are there to shut down a computer using ssh? I'm running on linux and when I try to shut it down remotely using ssh, it doesn't actually work. I used the command sudo shutdown now. ...
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4answers
43 views

Restricting SSH Access to Amazon EC2 Instance

I am preparing to set up an Amazon EC2 instance. It will be a testing and development machine to allow me to put PHP, Python, etc scripts on a server without being tied down to a local machine. ...
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2answers
28 views

SSH vs Apache port 443

I want move SSH to port 443, but is used by https. In /etc/apache2/ports.conf I commented the lines for listen by this port. In the default site available also commented the lines. For finish, I ...
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0answers
22 views

SSH Putty Port Forward Over Specific Interface

Server1: 201.23.253.12 and 192.168.1.12 Server2: 192. 168.2.76 Server3: 201.23.253.25 and 192.168.1.25 I have servers that I access remotely via SSH. Server1 is a jump server that has a internal and ...
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1answer
52 views

On a host with two IP addresses, I am getting “no route to host”, but SSH works

I have a very strange problem. A server has two IP addresses on a single network interface: eth0 has 172.20.40.1 eth0:0 has 10.1.1.1 The address for eth0 is static, the one for eth0:0 comes from ...
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0answers
9 views

Redirect incoming connection to existing tunnel

Can I use my shared web hosting server, and currently unused domain names, to forward incoming connection requests to my home computer without a public IP address (due to a cgn), without opening up ...
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0answers
16 views

ssh to a machine with bridge ports

I want to connect to a machine by ssh this machine has tow ports that are bridged. I am using bridge IP to connect ssh samie@192.168.1.97 But I get this error ssh: connect to host 192.168.1.97 ...
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2answers
74 views

Disable Root — what all issues will arise?

I have a linux server (Ubuntu 14) that I access using root and SSH keys (i.e. no root password). I have also created a non-root-user (and a corresponding non-root-user's-password) with sudo ...
1
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1answer
102 views

FileZilla public key not working (Successfully loaded 0 key pairs from file)

I currently have troubles logging in with a public key using FileZilla. Neither the root user, not an other user accept the key. Now the strange thing is when using putty it is working without any ...
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0answers
11 views

Scrolling in tmux over SSH (PuTTY) [duplicate]

I'm SSH'ing into my RaspPi (Raspbian) with PuTTY and I want to user tmux in order not to worry about a connection ending while I'm installing something. My Problem is, that when I call tmux from a ...
0
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1answer
170 views

Gitlab 7.10 install doesn't create proper ssh git user config?

I am setting up a Gitlab instance on my home VM lab and am baffled with the way SSH is configured in Gitlab so I would appreciate some insight into whether I am doing something wrong or is Gitlab ...
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2answers
24 views

start process from ssh and be able to close connection

I'm connecting to my RaspberryPi with Raspbian installed via ssh. My problem is that I can't let the RasPi do things (e.g., installing software, performing calculations) while my computer is shut ...
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0answers
25 views

Reverse scp to Ubuntu in Vmware ,Error reading:connection refused

I've successfully cross-compiled and installed dropbear on my embedded board. I have Ubuntu 10.04 installed in VMware Workstation. Openssh-Client/Server ( dpkg --list|grep openssh ) are all installed ...
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0answers
19 views

How do i remotely connect to linux box bu tunneling via windows machine

i have a windows machines which serves as jumpb box where it has access to other network behind the firewall and i can do RDP from my laptop(windows) to this windwos machine (JB) Now i need to ...
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1answer
33 views

Remotely accessing OSX machine behind firewall

I need some way to remotely access an OSX machine that sits behind a remote firewall (if it weren't for the firewall thing I could just ssh into it, but I have no control over the remote firewall to ...
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1answer
62 views

Cannot connect to Raspberry Pi via SSH

I made an image of Raspbian on SD and trying to connect it now via SSH. The problem that PuTTY returns always “connection timeout.” I’m using Windows 8.1, connected to Internet via Wi-Fi. PC connected ...
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0answers
37 views

Strange intermittent lag phenomenon over wireless LAN

I'm connecting to computer Y on my wireless LAN at home. Y is a newly-assembled machine running Kubuntu 14.04; it's wireless adapter is "Realtek RTL8192CE PCIe (rev 01)". Between other machines on the ...
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2answers
42 views

RHEL 6.5 on VMWare workstation 11 - unable to connect via ssh

I have installed a RHEL 6.5 (NIRMAN) on vmware workstation 11 and added two ethernet cards eth0 - has been bridged to direct physical network (192.168.1.71) eth1 - NAT eth0 is pinging well from my ...
2
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1answer
56 views

Something I'm not “getting” about SSH keys: OS portability (Mac to Windows, etc.)

Let's say I create SSH keys in a Mac to connect to my remote server. My server has my public key. My Mac has my private key. So far so good. A few days later, I want to connect to my server by ...
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0answers
22 views

Amazon web services

I am trying to establish remote desktop connection to my Amazon EC2 Ubuntu instance from Windows 8.1(local system), followed all of the following steps mentioned in amazon aws docs At 16th step it ...
0
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1answer
34 views

Copying an SSH ID to a server from a certain computer yields an error while the same command works fine from other computers

I get the following error message when trying to copy an SSH key to a remote server: ssh-copy-id -p*** ****@****.com Pseudo-terminal will not be allocated because stdin is not a terminal. ssh: ...
2
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1answer
16 views

My host offers SFTP only, not SSH. Can I still use private key authentication? i.e., does SFTP use SSH implicitly?

I'm using WP Engine as my host. They are a managed host and they never offer shell access. However, they do allow setup of SFTP accounts. My (limited) understanding is that SFTP still uses an SSH ...
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0answers
59 views

Can 't login to ssh DD-WRT router,but telnet can

I have TP-link which i re install the DD-WRT firmware on tp-link WR740N and the firmware version is : DD_WRT v24-sp2(03/25/13)std -build 21061 so i can login to router using only web interface and ...
0
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1answer
16 views

Keepass to ssh to a second server

How do I setup keepass to ssh to a second server once in the ssh session? For eg, I double click the keepass entry which logs me into serverA. I can only reach serverB from serverA, so I want ...
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2answers
67 views

ssh attack attempts on OS X 10.10 — should I worry/respond?

If I turn on OS X "Remote Login" (i.e., ssh access), my console log gets regular messages like the following: 22/04/2015 13:05:23.364 sshd[2118]: error: PAM: authentication error for root from ...
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1answer
80 views

ssh key exists on remote, but still prompts for password?

Why is this happening? $ ssh-copy-id me@server /usr/local/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/local/bin/ssh-copy-id: ...
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3answers
48 views

Copy ssh key onto another machine so I can use GitHub there?

I have a remote server. I can already ssh successfully onto that remote server - my key is in authorized_keys on the remote server. Now I want to pull from GitHub directly onto that remote server. ...
0
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1answer
31 views

Connecting to app server using plink

I need to connect to psadmin using plink. Try: plink -ssh [hostname] -l [user] -pw [password] psadmin When I run this I get error code 127 Command not found: psadmin When I enter into the shell ...
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0answers
34 views

How to create an SSH tunnel and access remote service from behind firewall with HTTP proxy

I want to access a remote service running on a vps on <remote>:8888 but our campus network blocks all ports except for 80,443,8080. And using a web proxy 172.16.0.2:8080, but each time my ...
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3answers
36 views

No path, or command history through SSH when logged in to server as someone other than root

When I SSH into a server, as anything other than root, it only shows a $ and not the path. It also won't allow me to press the up key and see the command history when I don't SSH in as root. How do I ...
1
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1answer
44 views

How to increase delay of ssh root access every time login fails

Is there a way in Linux to delay, for example double the delay time, of the ssh root access every time an ssh root login fails from a given IP and them let the delay expire after X minutes of no login ...
1
vote
3answers
59 views

SSH broken pipe kills foreground process

I have 2 hosts that I can connect them through SSH. In one host, after a while, I get the error Write Failed: broken pipe. In the other host, I don't get this error. I don't understand why in one ...
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0answers
35 views

Passphrase when creating authentication keys for SSH server

It's clear to me why I would use a passphrase on my clients authentication keys, but what's the purpose of a passphrase for my server authentication keys? I've read trough a tutorial, where the ...
1
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2answers
51 views

Authentication with ssh and scp works but not WinSCP

I have a Ubuntu server with 3 user accounts (root, user1, user2). user1 has access via WinSCP, scp and ssh. No problems here. Then I've created another user2 but with this user I can't access the ...
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3answers
42 views

I'm not able to connect with SSH because of SUID warning

When I try to connect with another machine, after this command below: user1@host1:~$ ssh user2@host2 user2@host2's password: I receive: WARNING: Your password has expired. You must change your ...
3
votes
1answer
35 views

SSH key exchange configuration uncertainty

I'm currently configuring ssh on a server and reading trough several guides. Many feature a @url.tld after the option in KexAlgorithms like: KexAlgorithms curve25519-sha256@libssh.org This is ...
0
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1answer
27 views

Website updating from git (over ssh)

I have a script that I run over SSH, which updates my website from a Git repo. cd website-git git checkout master git pull # Update protected directory rsync -v -a --delete --exclude=db ...
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2answers
20 views

Transferring SSH session

I want to grab a process running in the sever via PC1 ssh X11 session to PC2 ssh session without stopping it. I cannot use "nohup" or "bg" or "screen" or any such command which works from that ...
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0answers
23 views

which application is trying to access a private ssh key?

since a few days my Gnome based system (Fedora 21) pops up a request for the pass phrase for a certain private ssh key: An application wants access to the private key <name-of-the-key>, but it ...
0
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1answer
45 views

Launching PuTTY from web browser without having .reg file

I was looking to launch PuTTY from web browser. Most of the solutions I got was to create a ssh.reg file which contains ssh:// mapping and has to be registered in the registry (HTML code to open putty ...
4
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2answers
64 views

How can I issue a command on my local machine from within an SSH session?

Example use case: I am working on my laptop running Mac OS X (A) and am logged into my development server (B) via SSH. I have a script which will generate a GitHub URL for the file/branch I ...
0
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0answers
224 views

FileZilla does not open conecction, Putty does

This could be a silly question. Im getting an error when conection to a server through filezilla. Connected to domainx.corp.pre.corp Error: Received unexpected end-of-file from SFTP server Error: ...
0
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0answers
22 views

FTP and other connections have turned very slow without decrease in internet speed

I did a test on speedtest.net and I got same good 30Mbps internet speed for download, but somehow got an error on upload test. So my PC acts kinda strangely, because internet in browser doesn't seem ...