First a screenshot that shows OpenSSH installed on Windows 10...
Above, I use the command ssh -V in the command prompt to make sure OpenSSH is installed.
Now.. It appears that throwing the following one liner into a .bat file to login to a linux server via ssh doesn't do anything.
ssh -p 22 root#10.10.1.100
When I type the same one liner into a windows 10 command prompt since Windows 10 now has OpenSSH built in, it logs me in just fine.
What I am missing?
Firstly, do not name your batch file ssh.bat or ssh.cmd and it will probably be best if you use the full path to the executable:
#echo off
"C:\Windows\System32\OpenSSH\ssh.exe" -p 22 root#10.10.1.100
pause
but it is probably better to use the %windir% environment variable:
#echo off
"%windir%\System32\OpenSSH\ssh.exe" -p 22 root#10.10.1.100
pause
Related
I created a simple bash script that runs fine on Ubuntu 18/20.
Decided to port it onto PowerShell.
I start PowerShell in Windows 10.
Then type: ssh 192.168.1.56
This allows me to reach the target.
(the key is located in /c/users/joe90/.ssh/)
On the other hand, the bash script does the same thing:
#!/bin/bash
ssh 192.168.1.56
Yet, I keep getting this error:
load pubkey "/c/Users/joe90/.ssh/mykey-xyz": invalid format
The only thing I was able to sort out is that typing from PowerShell:
ssh -V
return ==> OpenSSH_for_Windows_7.7p1, LibreSSL 2.6.5
But when the myBash.sh bash script runs (/usr/bin/bash ...):
ssh -V
return --> OpenSSH_8.3p1 ...
Any thoughts ?
Additional Notes:
The answer seems to lie here. It does ssh onto target but always leave this error mentioned. I tried to make a public key with no success.
Run
/usr/bin/ssh 192.168.1.56
instead (assuming this is the one you want to run).
Verify it using
/usr/bin/ssh -V
form bash, or
sh -c '/usr/bin/ssh -V'
from powershell.
Any time I see "invalid format" while using Windows Subsystem for Linux, I run dos2unix on that file and that seems to clear up a lot of errors. In WSL you just type: dos2unix fileName.txt
I want to copy public keys to my server from a windows system.
And the problem I have is, that I don't get the path to the key.
I've tried things like:
ssh-copy-id -i C:/Users/username/.ssh/mykey.pub user#serverIP
ssh-copy-id -i ~/.ssh/mykey.pub user#serverIP
The result is always
No such file or directory
What am I doing wrong? I'm using Git Bash for this on Windows 10
Git's ssh is a version of OpenSSH. You can confirm it by running ssh -V under path\to\git\usr\bin. Here is what it evals on my machine:
OpenSSH_7.7p1, OpenSSL 1.0.2o 27 Mar 2018
ssh-copy-id script internally executes some *nix shell command (like exec, cat, etc. You can find more by opening the one under path\to\git\usr\bin in text mode), so it works only against *nix machines. That's the reason why ssh-copy-id under path\to\git\usr\bin is not a executable file.
According to this issue of PowerShell/Win32-OpenSSH, ssh-copy-id is not supported on Windows.
However, there are some alternative ways to do the same thing:
A powershell version of this answer can be
Get-Content $env:USERPROFILE\.ssh\id_rsa.pub | ssh <user>#<hostname> "cat >> .ssh/authorized_keys"
There is also a python script to do the same thing: ssh-copy-id for Windows.
I'm attempting to launch putty via the command line in such a way that it runs a command on the server (I want to create a windows shortcut, to tail a log file)
So far I have a batch file containing this
"C:\Program Files (x86)\PuTTY\putty.exe" -ssh -t -pw -m tail_catalina_out -load "myprofile"
And within my server I have a file at the root directory named tail_catalina_out with the following contents.
tail -f /opt/tomcat/logs/catalina.out
Putty launches and my session starts successfully, but no command appears to be carried out despite this? Am I misunderstanding how this works?
You don't need -ssh with -load profile (and if you use a nonstandard port like my test it doesn't work at all); in fact you don't need it with [user#]host because it's the default
-pw -m tail_catalina_out uses -m as your password (which I hope is incorrect, so you should be reprompted unless publickey auth is set-up) and ignores tail_catalina_out
the file for -m must be local i.e. on the PuTTY machine not on the server (although the commands in it will be sent to, and must be valid on, the server)
Thus: "\path\to\putty" -t -m localcmdfile -load profile
You could also use plink which runs in the console and takes either -m localfile or the actual remote command on the command line after the last option (like the OpenSSH client ssh):
"\path\to\plink" -t -load profile tail -f remotefile
As usual, you can omit the quotes around the path if it contains no space. Personally I use \progra~2 instead of bothering with "\program files (x86)" but that's just me, and it may depend on a clean install (instead of upgrade).
Having read this question and my answer there, I would like to do a similar thing on Windows.
My Linux solution is this:
#!/bin/bash
[[ $1 =~ password: ]] && cat || SSH_ASKPASS="$0" DISPLAY=nothing:0 exec setsid "$#"
How can I do a similar thing on Windows, something I can use like this from a Windows Command Prompt or batch file:
C:> echo password | pass ssh user#host ...
Points to note:
ssh here was installed using the free edition of crwsync. It uses Cygwin DLLs but does not require a Cygwin install.
the solution should not require further dependencies: it work from a typical Windows Command Prompt or batch file.
I'm looking for an answer to the above, even if the answer is "it can't be done". I know I can use keys (and their relative merits), or other tools such as Python/Paramiko, PuTTY plink, and so-on. I know I can do it in a Cygwin environment. I don't want to do those things... I need to do it from a plain old Windows command prompt or batch file without incurring additional dependencies because, if this is possible, it will reduce existing dependencies.
Here is what I have so far:
#echo off
echo.%1 | findstr /C:"password">nul
if errorlevel 1 (
set SSH_ASKPASS="%0"
set DISPLAY="nothing:0"
%*
) else (
findstr "^"
)
The idea is to save that as, say pass.bat and use it like this:
C:> echo password | pass.bat ssh user#host ...
What happens is that the SSH session is launched but ssh still interactively prompts for the password. I think that, in theory, the script is ok becuse the below works:
C:> echo mypassword | pass.bat pass.bat "password"
mypassword
As far as I understand, the underlying Cygwin DLLs should see the Windows environment so the setting of SSH_ASKPASS should propagate into ssh.
I think the problem is that ssh is connected to the terminal. According to man ssh, If ssh needs a passphrase, it will read the passphrase from the current terminal if it was run from a terminal. This is why I use setsid in the Linux example. I think a way to detach the process from the terminal in Windows is required but I am not sure there is one (I did try start /B).
So I'm stuck - I don't know enough about scripting windows to know what should work. Any solution that uses native windows techniques (i.e. batch or perhaps powershell) and does not require anything not available on a vanilla Windows would be welcome.
The solution will be used by a cross platform application that I am working on that needs to use SSH to interact with an external service. The current prototype version is Python and is aready wired up to launch ssh as a subprocess. The Linux version already uses the above method so I would like a Windows solution that does not require reworking of the application.
SSH will never read password from stdin. I would give a shot sshpass utility, which is quite standard for this task. The other common solution is using expect script (which should work the same way on the Cygwin as on Linux).
Problem Statement- I want to copy some files from remote machine (linux) to my windows machine. I know I can do it using pscp.
I tried looking on the internet, I found several articles, but in those articles I was not able to understand and I was having lot of problems in copying the files from Linx box to Windows.
Can anyone provide me step by step method here, so that I can follow that to transfer files. That will be of great help to me.
I am connected to host cli.vip.host.com using putty and that is linux with username- rkost and password as- password. And I want to copy file a.txt from linux to windows.
Download PSCP from below link
https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html
Run PSCP
Got to command prompt
Use the below code
Copy single file
pscp user#host:remote_path/file_name host_path\file_name
eg: pscp user1#192.168.1.10:/home/user2/a.txt c:\Desktop\a.txt
Copy all files in a folder
pscp user#host:remote_path/* host_path\
eg: pscp user1#192.168.1.10:/home/user2/* c:\Desktop\test\
Copy all files & folders in a folder
pscp -r user#host:remote_path/ host_path\
eg: pscp -r user1#192.168.1.10:/home/user2/ c:\Desktop\test\
For this kind of problem I use all the time netcat. First, you start netcat as server on a machine with an ip IP_address, and afterwards you send the file from the other machine.
nc -l -p <port-number> > out_file
will start it as server in "listen" state, and will save what you send to it in the file "out_file".(check the man page of your version for more parameters.)
From the other machine you send the file something like this:
< file_to_send nc IP_address
(If you want to send an whole directory, you use tar )
I never used it under Windows (because I work as linux engineer). But you can find nc for windows, that work the same as in linux...
if you want to use pscp, you can do this:
pscp -pw password rkost#cli.vip.host.com:/path/to/file c:\path\
if this doesn't work try to add enviroment variable:
set PATH=C:\path\to\putty\directory;%PATH%
After installing POWERSHELL
wow64_microsoft-windows-powershell-exe
you can open the terminal and execute this command line
pscp -r -P Port user#IP:path WINDOWS path
example:
pscp -r -P 2222 user#MyDommain.com:/var/www/html C:\2023\HTML
Make sure you are connected to your vpn server, (i.e. cli.vip.host.com)
use following command from your windows machine
pscp -v rkost#remote_ip_addr:/path/to/file/a.txt c:/some_location/
you can see the verbose with -v flag.
If you wants to copy directory from remote linux machine to your windows
just refer my answer in this
PSCP copy files from godaddy to my windows machine