I'm having trouble getting an answer to my question, in laymens terms. It is probably my lack of knowledge on the subject so, I'm dumbing down the question. I have a windows machine that I run the putty tool from and connect to a linux box. I run " killall /bob/bin/myfile.out " then close putty then type in a cmd prompt pscp.exe myfilet.out.2.3.4 root#192.168.1.1:/bob/bin/myfile.out . Can someone show me how to combine these into a single windows batch file? thank you
You could use the free command line tool Plink to run commands on external servers via SSH.
#echo off
Plink root#192.168.1.1 "killall /bob/bin/myfile.out"
pscp.exe myfilet.out.2.3.4 root#192.168.1.1:/bob/bin/myfile.out || echo an error occurred when copying the file.
the command after || on the second line will only run if an error level is set by the previous command.
I can't add comments yet, but can you elaborate on how you login with putty, but not do the exact same thing with plink? Plink not only accepts all the same options as putty, but if you have a saved session in putty, you can access it from plink. Without any subcommands, plink should essentially make you CMD shell look like a crude putty window, with subcommands, it will execute them and return:
C:\Users\riglerjo>plink savedputtysession
Using username "rigler".
# hostname
s9-chicago.accountservergroup.com
-bash-3.2$ exit
logout
Run the remote command as an option on plink:
C:\Users\riglerjo>plink savedputtysession hostname
s9-chicago.accountservergroup.com
Related
I'm trying to use Putty to pull Laser Emission hours from IPG lasers and I wanted to automate the steps to a Batch file which will outputs the Laser hours when I run it.I was able to complete step 1 which is to start,tip host ip address,the port number and select raw. Setp 2 is when click "Open",a DOS window will appear where the command "RET" needs to be tipped in and hit enter.And the laser emission time appears.Where do I set the batch file to enter the command "RET" in the DOS window? Thanks
Do not use PuTTY (GUI application) to automate tasks. Use Plink command-line tool (part of PuTTY package). It is a console application, so you can redirect its input.
For example:
(
echo RET
) | plink.exe -raw example.com -P port
See also related How to execute remote command using PuTTY over Telnet.
I have a .bat file on my Windows machine. This .bat file uses plink.exe to connect to an Ubuntu machine and execute an .sh script. However, I get different behaviors on the script depending on how Plink is used:
log onto Ubuntu directly (in person) -- script succeeds
ssh via Bitvise client -- script succeeds
ssh via Plink (by calling plink.exe) and calling script from interactive shell (it's a Ubuntu shell within windows cmd.exe) -- script succeeds
ssh via .bat which then calls Plink -- script fails
The script fails w/ message:
error while loading shared libraries: libCint.so: cannot open shared object file: No such file or directory
Other posts seem to refer to installation/permission issues of libCint.so but I know this is not the case since the script works correctly in other instances as shown above.
Below is the plink.exe line from my .bat file:
plink.exe !plink_ssh_details! myscript
The above script fails when called this way via .bat file; again, note that it succeeds when called directly from the Ubuntu or when I -ssh directly into the Ubuntu via cmd.exe (using plink.exe) or Bitvise client. Any help would be appreciated.
In the other cases, you are using interactive sessions.
While the Plink uses non-interactive session by default, when you specify a command on its command-line.
Your script probably relies on some environment variables (like PATH) being set specifically.
It's quite probable that the variables are set only for interactive sessions. Probably because they are modified in a startup script that is executed (sourced) for the the interactive sessions only.
Solutions are:
Correct the startup scripts to modify the variables unconditionally (even for non-interactive sessions).
Modify the script not to rely on environment variables.
Or you can source the profile script, see Unable to run shell script with ktutil command from Windows using PLINK.
Force the Plink to use the interactive session using the -t switch
This is not a recommended solution, as using the interactive session to automate a command execution can bring you nasty side effects. See for example Is there a simple way to get rid of junk values that come when you SSH using Python's Paramiko library and fetch output from CLI of a remote machine?
Some more obscure SSH servers can also behave differently when "exec" channel is used to execute the command. See Executing command on Plink command line fails with "not found".
I had to hack a solution to work around this problem. Adding a "-i" option at the header of the bash script I was invoking from my .bat file did the trick:
#!/bin/bash -i
Note some warn of unwanted side effects (no mention of specifics tho...) when using this option. But calling this now interactive script from a remote ssh session (e.g. when using plink.exe from a Windows .bat file and passing inline commands to the Unix box) solves any issues regarding file/directory visibility & permission issues.
Note to plink users: if you're calling a script on Unix via plink and noticing that the script doesn't behave as expected...adding the "-i" may help debug/solve your problem. Again, note that some have claimed unwanted side-effects of this hack of which they/I'm unaware.
I need to send numbers to a text file located on a remote windows machine , I'm using plink (putty command line-I have installed a ssh server on the windows machine) to establish the connection and it's successful but I'm having problems when I want to write numbers :
#echo off
cmd /c C:\Users\rob\Desktop\plink.exe -l user -pw password -ssh IP-remoteserver echo 10>> C:\Users\ser\Desktop\test.txt
EXIT
C:\Users\ser\Desktop\test.txt--- the file where I want to save the results.
Any ideas of how can I solve the problem? , not sure how can I use the echo function ,I just one to run this command on the remote server:
echo 10>> C:\Users\ser\Desktop\test.txt
But not sure how to add this part to the command where I run plink.exe
Any help will be appreciated.
Thanks and regards.
According to these instructions:
http://the.earth.li/~sgtatham/putty/0.60/htmldoc/Chapter7.html
you can set up a saved session, then call plink with the session ID followed by your chosen command.
I have a batch file that opens putty just fine.
c:\putty.exe root#192.168.12.34 -pw boyhowdy. But to make this work for me I need to understand how to include a script of a command so it will run under the putty tool. Like mount –o remount,rw / . Or is this something I can do with a tool called pscp. I am a nube to these tools and really could use some guideance. I have a bunck of these scripts and would really like to automate them. Thankyou
If your goal is to execute shell commands remotely through putty, you should probably look at plink (putty without the gui, in other words an ssh client for windows) and then apply the standard here-doc techniques to plink.
plink is part of the putty collection and is also downloadable from the same page as putty.
If you want to execute a local script you would use
plink user#host -m local_script.sh
For instance. Assuming you're running on some Windows box (fyi the putty suite also runs on Linux) and want to execute a batch of commands on some remote box you would create a shell script on your local machine (say mount.sh) and run it like this:
C:\> type mount.sh
whoami
hostname
/usr/sbin/mount -t iso9660 -o ro /dev/cdrom /mnt
/usr/sbin/mount | grep mnt
C:\> plink remoteuser#remotehost -pw secret -m mount.sh
remoteuser
remotehost
/dev/cdrom on /mnt type iso9660 (ro)
Also, it's probably better to copy your public key over so that the password is not coded in some batch file.
Finally, be aware that not all environment variable defined in an interactive shell process will be available in the remote shell process. You might need to 'source' some profile script at the beginning of your script.
I'm trying to download a file from sftp site using batch script. I'm getting the following error:
Permission denied (publickey,password,keyboard-interactive).
Couldn't read packet: Connection reset by peer
When running the command:
sftp -b /home/batchfile.sftp <user>#<server ip>:<folder>
the batchfile.sftp includes these data:
password
lcd [local folder]
cd [sftp server folder]
get *
bye
Note: It's working when running at the prompt as
sftp <user>#<server ip>:<folder>
But I need the ability to enter the password automatically.
You'll want to install the sshpass program. Then:
sshpass -p YOUR_PASSWORD sftp -oBatchMode=no -b YOUR_COMMAND_FILE_PATH USER#HOST
Obviously, it's better to setup public key authentication. Only use this if that's impossible to do, for whatever reason.
If you are generating a heap of commands to be run, then call that script from a terminal, you can try the following.
sftp login#host < /path/to/command/list
You will then be asked to enter your password (as per normal) however all the commands in the script run after that.
This is clearly not a completely automated option that can be used in a cron job, but it can be used from a terminal.
I advise you to run sftp with -v option. It becomes much easier to fathom what is happening.
The manual clearly states:
The final usage format allows for automated sessions using the -b
option.
In such cases, it is necessary to configure non-interactive authentication
to obviate the need to enter a password at connection time (see
sshd(8) and ssh-keygen(1) for details).
In other words you have to establish a publickey authentication. Then you'll be able to run a batch script.
P.S.
It is wrong to put your password in your batch file.
You mention batch files, am I correct then assuming that you're talking about a Windows system? If so you cannot use sshpass, and you will have to switch to a different option.
Two of such options, that follow diametrically opposite philosophies are:
psftp: command-line tool that you can call from within your batch scripts; psftp is part of the PuTTY package and you can find it here http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
Syncplify.me FTP Script: a scriptable FTP/S and SFTP client for Windows that allows you to store your password in encrypted "profile files"; check it out here http://www.syncplify.me/products/ftp-script/
Either way, switching from password to PKI authentication is strongly recommended.
PSFTP -b path/file_name.sftp user#IP_server -hostkey 1e:52:b1... -pw password
the file content is:
lcd "path_file for send"
cd path_destination
mput file_name_to_send
quit
to have the hostkey run:
psftp user#IP_SERVER
You need to use the command pscp and forcing it to pass through sftp protocol. pscp is automatically installed when you install PuttY, a software to connect to a linux server through ssh.
When you have your pscp command here is the command line:
pscp -sftp -pw <yourPassword> "<pathToYourFile(s)>" <username>#<serverIP>:<PathInTheServerFromTheHomeDirectory>
These parameters (-sftp and -pw) are only available with pscp and not scp. You can also add -r if you want to upload everything in a folder in a recursive way.
This command will help you
sshpass -p MYPASSWORD sftp MYUSERNAME#HOST