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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How to recover SSH private key pair on OpenStack

I've been using a virtual machine on OpenStack, and I lost my RSA private key. Is there anyway I can get to access this virtual machine? Of course, without using the RSA key. I was thinking about ...
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1answer
4 views

SSHing into a Ubuntu VM instance

I have an Ubuntu VM instance running on my laptop. Both Host and VM run the same OS - Ubuntu 12.04. I tried to ssh from host like ssh username@<VM-IP> It tries for some time and then says ...
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2k views

Permission problems with rsync

I wanna do daily ssh synchronization of some of my local machines files with my server. I want to do this via rsync, since it sounds the most promising tool for this task to me. Sadly I get the ...
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4 views

Timeout with VNC connection from windows 7 to SLES10SP4

I'm having an issue establishing a VNC connecting to a SLES10SP 4 server using PuTTY on a Windows 7 workstation. Remote Administration is enabled in YaST, as are all the other appropriate settings. ...
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2answers
509 views

Limiting ssh to sftp only?

I use SSH keys to allow passwordless logons to my box. I want to limit them to SFTP only. I have the following in my authorized_keys file which appears to work: command="internal-sftp" ssh-rsa ... ...
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3answers
2k views

New terminal window (duplicate session) from Putty command line?

Being on Windows and accessing Linux via Putty, is it possible to spawn new terminal (Putty) window from the command line? I.e. to send something to Linux, while responding on which, it initiate new ...
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22 views

Intermittent SSHD multiple personality disorder

I have a weird problem on a Debian Jessy box: when trying to SSH in, sometimes everything goes smoothly for days, and sometimes... It goes nuts. The madness PuTTY would tell me that the SSH key ...
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11 views

JVM exception, server not responding, cant kill process with PID

My server did actually hang , now via ssh i cant kill the PID , or screen -x => hit 'stop' Java HotSpot(TM) 64-Bit Server VM warning: Exception java.lang.OutOfMemoryError occurred dispatching ...
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3answers
1k views

How to override SSH default identity?

Short version: how can I disable/override the default SSH identity file locations ~/.ssh/id_{rsa,dsa} and force SSH to use another one (first)? Long version: I'm trying to setup gitolite with ssh ...
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2answers
27 views

PuTTY remote command containing while loop

I am attempting to automate several common tasks that I SSH into a remote server to do. For this, I am using PuTTY and its "remote command" option (Connection > SSH) in several saved sessions. My ...
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1answer
2k views

Execute local script requiring arguments on Linux via plink

Is it possible to execute (from windows) a local script with arguments on a remote linux system? Here's what I got: plink 1.2.3.4 -l root -pw mypassword -m hello.sh Is there a way to do this ...
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1answer
12 views

Reattach to a process after ssh disconnect

I logged into the server using Putty/ssh started a process and walked away. Came back to find the putty session had timedout/terminated/become inactive. When I log back in the process is still there ...
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8 views

Debian 7.5 Prevents Access to Router, Hardware is OK

My Problem: I can't access my router from the Problem OS (Debian 7.5) of my main computer. I am sure the hardware is okay. It would be problematic to reinstall the Problem OS. Problem OS Symptoms ...
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14 views

Intermittent disconnections when using OpenVPN over SSH tunnel; possible iptables issue?

I've recently set up a Debian Wheezy server with OpenVPN to help out some friends in areas where internet censorship is a problem (including the blocking of VPN traffic in general). To overcome this, ...
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7answers
54k views

Too many authentication failures for *username*

I have a hostgator account with ssh access enabled and when trying to upload the generated .pub key file with this command: rsync -av -e "ssh -p2222" /home/user/.ssh/key.pub ...
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2answers
56k views

How to convert .ppk key to OpenSSH key under Linux?

I know that is possible to convert .ppk under puttygen in Windows, but how to do that on Linux? Is this possible ?
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10 views

How can I copy files from a Google Cloud Compute Server to my local machine

I'm trying to download all of the server files from Google Cloud Compute (running Linux Debian). I'm extremely unfamiliar with SSH and Google Cloud Compute as a whole. I'd prefer either copying all of ...
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1answer
14 views

Why does 'export foo=1' not get read when I use ssh?

I'm trying to set a remote environment variable explicitly in an ssh command: ssh worker-2 "export OPENBLAS_NUM_THREADS=1; echo $OPENBLAS_NUM_THREADS" Strangely, this prints just a blank line, but ...
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25k views

How to get file/folder size with SSH on linux?

I am using SSH to connect to a CentOS server and I want to get the file in mb of some files and folders, how can I do it?
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1answer
381 views

Is it possible to build an LFS system on another computer through ssh?

I am in the beginning stages of building an LFS (http://linuxfromscratch.org) system, but the thing is I don't have any space on my laptop to build it on. However, recently the GPU on my desktop went ...
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1answer
16 views

Jenkins Publish over FTP sending the entire site instead of updated files

I have a Jenkins server installed on my local server. I have managed to build artifacts from svn repository and deploy to a remote server using 'Publish over SSH' and 'Publish over FTP' but my problem ...
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11 views

how to avoid the x terminal forwarding

I use our remote server along with a team. apparently they made all the apps automatically do x forwarding. I know this b/c now if i simply want to run a git command git pull I get this error: ...
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2answers
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trying to login automatically into a server using sudo ssh cmd in script [on hold]

I am new to Shell scripting. I want to login to a server using a script. The normal command I use is --> sudo ssh . when i tried putting this into a txt format file and tried running, it throw an ...
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1answer
308 views

Can't open an SSH session because of OpenSSL version mismatch

I just ran apt-get upgrade, and according to /var/log/apt/history.log, openssl has been updated to version 1.0.1e-2+rvt+deb7u7. Now I have one SSH session still open, but I can't open another one. I ...
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1answer
19 views

Can't disable SSHD banner

So, I have a WD MyBookLive NAS, which runs an ugly PPC build of Debian Squeeze. It has SSH access enabled, and when I log in, I get a long banner message (closer to an epic saga in length) about ...
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3answers
9k views

scp doesn't work but ssh does

If I want to send something via scp to server: $ scp file server: _____ _____ _____ $ , then three lines are printed and file is not copied. However I can connect to server via ...
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30 views

LC_LOCALE settings interactions between Mac OSX and LINUX via SSH

I have been struggling with the following problem for years now. I have never been able to solve it, and I adopted several workarounds to keep being able to work. However now I can't stand it anymore, ...
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1answer
19 views

Small bootable package to enable ssh client?

I've been trying to find the smallest possible package to put on a cd/thumbdrive that will allow me to use an ssh client on a wired networked computer. I'm talking about really barebones stuff, no ...
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3answers
6k views

One user can use SSHFS, other user gets “remote host has disconnected”

I have two users with valid SSH accounts on a server. Both users can login via ssh successfully. When trying to mount SSHFS, usera can mount with no problems, while userb gets the error: remote host ...
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1answer
181 views

Unable to execute command or shell on remote system: Failed to Execute process

On my Ubuntu virtual machine, I run: ssh windowsxp@10.0.0.2 'dir' When I tape the password, I get this error: Unable to execute command or shell on remote system: Failed to Execute process. Why ...
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1answer
14 views

Putty, some bolded/color looks fuzzy/blurry

I'm not sure if this is supposed to be normal or what because I haven't used Putty in a while because I recently built a new development box. Of interest the graphics card is a R9 270X. Notice how ...
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9 views

SSH working, but SCP+git not working at all when network link is overloaded

SCP (and other programs that use SSH, like git) establishes a connection, but just sits there without doing anything. Using an SSH shell works fine. This only happens when the Ethernet network link ...
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6 views

PLINK.EXE: use blowfish as the cipher

Is it possible to use blowfish as the cipher of PLINK.EXE? For OpenSSH, the -c option can be used to specify the cipher, but how to do it with PLINK.EXE?
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34 views

Cannot ssh directly to a machine, but can ssh through another machine

I cannot ssh to machine A, it says No route to host. I can ssh to machine B and once logged in there I can ssh to machine A. How is this possible? (My machine and machine A run Ubuntu, machine B ...
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1answer
32 views

Warning: remote port forwarding failed for listen port on Centos 6

I have a problem with port forwarding in centos 6, when i do: ssh -v -R root@hostname:19999:localhost:22 root@hotname I get this warning: Warning: remote port forwarding failed for listen port ...
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1answer
29 views

Delayed SSH Connection, Authentication, and Commands

My home computer, a Mac running OS X 10.8.5, normally accepts SSH connections over the Internet (I have port forwarded) but is asleep right now. It sometimes may wake up for various reasons while I am ...
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1answer
6k views

PuTTY X11 proxy: wrong authorisation protocol attempted

I am trying to connect to an Ubuntu server to work on Qt-creator. Before everything goes wrong, I followed this tutorial. I downloaded putty and Xming and everything was working just fine. then, ...
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2answers
52 views

Have remote X app open without manual “placement” on my local display

I am running X on my local machine and then using ssh -Y username@remotemachine to connect to a remote Debian server. Once logged in to this remote Debian server I type iceweasel at the command line ...
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99 views

I broke SSH by using chmod on an EC2 Instance — How do I correct?

I have been running an Amazon EC2 Instance for a while, and recently accidentally changed permissions/ownership on folders recursively. I can no longer SSH into the instance. I do not recall what the ...
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12 views

SSH Mini Linux Version [on hold]

I'm interested in knowing if there is a Linux distro or other operating system which has basically just SSH on it. No frills. Just something I can add to a grub menu on boot where that os just logs in ...
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1answer
19 views

Script for one time proxied firefox

I want to change firefox proxy settings on the fly (no, I will not be installing a 3rd party extension for this). I want to open up an instance of firefox without changing my default proxy settings. ...
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2answers
30 views

SSH: “Permissions 0644 for 'my_key.pub' are too open.”

Why is 0644 i.e. -rw-r--r-- too open for a SSH key? Also I could not find any false permissions on the .ssh directory (0700) or the home directory (0731). Btw I'm getting this error when testing the ...
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5 views

Set up ssh proxy on windows in the background and on startup

Currently I can tunnel my pc traffic through SSH by setting up a simple ssh proxy connection using CYGWIN like this: ssh -ND 8080 myserver.com but this involves a GUI which I dont really like. In ...
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1answer
7 views

Excessive PLINK processes using Putty/Proxy

So I'm trying to get putty to work to allow me to connect through a bastion host. I have everything setup correctly because it successfully connected to my server through the bastion. All of the ...
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2answers
2k views

Cannot connect to my mac via SSH

I want to open a connection to my mac (10.8) via SSH. An SSH-server is installed by default on OSX. Remote login is enabled, so the service is running and I can connect to to localhost via ssh. ...
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2answers
21 views

CentOS send a command to another server with ssh

So basicly I need to send a command from one server to another. ssh root@address.com 'My command' But.. How do I specify the password? Thanks
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2answers
85 views

SCP remember password

On debian, is there anyway for scp to remember the password I've typed in for the duration of my ssh logon, similar to how sudo does? i.e. PC ---ssh(putty)---> server 1 ---scp---> server 2 ...
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2answers
9k views

How to Setup Rsync without password with SSH on UNIX / Linux?

How can I set up a rsync between two hosts without providing any password?
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18 views

WinSCP keeps giving “Host is not communicating” errors while PuTTY is all right?

It had been all right all day until a few hours ago when WinSCP suddenly started keeping giving out the hideous "Host is not communicating for more than 15 seconds. Still waiting..." error. I tried to ...
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1answer
14 views

How to store password for switch user in my .profile

I usually connect to my AIX server using putty via my regular account and then do "su - otherAccount". This way I've to enter password twice, one for my account and one for the otherAccount. I've ...