Plink stands for PuTTY Link.

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I've got a piece of code running on an Arduino board that will accept ASCII text commands on its serial port, and then will switch some relays based on which text commands you send it. I need to be able to run an automation script or batch file (on Windows XP and later only) that will switch the relays under certain conditions during an. It’s light-weight with a single putty.exe file and nothing else to install. A while back we wrote abou. (click and be in the ssh session of this router or switch) how is that possible. I have a question. A couple of times I accidentally copied a large block of text in putty (like from the cursor to the end of the window) without.

Plink is a companion command-line utility for PuTTY.

On a very high-level:

I wanted to communicate two PCs using the serial Rs-232 port and a null-modem cable. After connected them, I could chat using Putty from both machines, but now I want to send files from one PC to another.
Enter the username and password to the router. If it isn't enabled then type enable. Now type 'config t' and enter. Copy the config your supervisor gave you and at the putty console prompt right-click and it will begin adding the new config.
This will ensure that you have quick access to your commonly used sessions. Settings are saved within PuTTY, so copying the application to a different machine will also copy your saved sessions. 5 Click Open and a serial session will start. Session logging. To create a text log file, right click on the PuTTY menu bar, and select Change Settings.

Use PuTTY for interactive SSH session from your Windows to Linux Servers
Use Plink for non-interactive SSH session to execute remote linux commands for automation purpose from your Windows

In this tutorial, we’ll discuss the following:

Launch plink from Command Prompt
Plink Interactive SSH Session
Plink Non-Interactive SSH Session to execute a Remote Command
Execute Multiple Linux Commands from a Windows File
Specify Connection Protocol
Specify SSH Password as Plink Argument
Debug Plink Issues
Specify SSH Port as Plink Option
Plink Log Files for SSH Connections
Specify SSH Protocol (SSH-1 or SSH-2)
Specify IP Protocol (IPv4 or IPv6)
Use Private Key File for Authentication with Plink
Additional Enable and Disable Options for Plink SSH
Fingerprint and HostKey with Plink
Plink -batch option for Windows Batch Files

First, download plink executable from here.

If you don’t have PuTTY already installed on your machine, make sure you also download putty executable along with plink.

If you have a 32-bit Windows laptop, make sure you download the 32-bit version of plink. If not, download the 64-bit version.

1. Launch plink from Command Prompt

You can’t just double-click on plink.exe to launch it. Since this is a command-line only utility (Without GUI), you should first launch your Windows command prompt.

For this, click on start menu on your windows, and type “cmd.exe” in the search box and press enter, this will launch the Windows command prompt.

Also, depending on where you have downloaded the plink.exe, you may have to modify the Windows’s PATH variable accordingly.

Go to your “System properties” windows, click on “Environment Variables”, select Path variable, and append the directory where the plink.exe is located here.

Or, you can just set your PATH variable as shown below. In the following example, I’ve downloaded the plink.exe to C:Downloads directory.

Next, type plink in the command prompt, this will display the various options available.

2. Plink Interactive SSH Session

The following is the basic syntax for plink:

In the above syntax:

options – You can pass various options to plink. This is optional.
connection – This will have the connection information of the Linux server that you want to connect to. Various connection methods are explained in the examples below.
command – This is the command that should be executed on the remote Linux server. This is optional.

While the command is optional, when you don’t give it, it will display a raw interactive session, which will have lot of non-printable non-readable character on the screen. As explained earlier, plink is not meant to be used as interactive session. Use putty for interactive session.

For now, let us see various methods to use the connection.

First, you can just give the ip-address of the remote-server. This will then ask for the username and password to login.

Or, you can also use the username using @ symbol as shown below. This will ask only for the password, as we’ve specified the username.

You can also pass the username using -l option as shown below:

You can also use the name of an existing putty session. In this example, I’m using the existing saved putty session called “devdb”. This is the recommended way of using, as you can bring all the configuration information from PuTTY to here for this particular “devdb” session.

The following -load is exactly the same as above.

As you see below, once you login, you’ll get a command-prompt. But, doing anything here will display some non user-friendly characters.

Again, for interactive SSH session, please use PuTTY.

On a related note, even if you’ve been using PuTTY for a while, you might find few tips from here helpful: 10 Awesome PuTTY Tips and Tricks You Probably Didn’t Know

3. Plink Non-Interactive SSH Session to execute a Remote Command

Using plink, from windows, you can execute a command on the Linux server without any user interaction and just display the output.

For this, pass the command as the last argument to the plink as shown below.

In the following example, it will execute “crontab -l” command on the remote server and display the output.

If you want to execute multiple commands, then group them together as shown below.

The following will execute the db-backup.sh shellscript on the remote Linux server. But, you are initiating this from your Windows machine.

Few points to keep in mind:

If the above command is asking for password, and if you don’t want that to happen, you should setup the public-private key authentication appropriately so that remote Linux server doesn’t ask for password.
You can also pass the password as a command-line option to plink as shown in one of the examples below.
Also, if the above displays an error message about invalid protocol, then you should pass the appropriate protocol as shown in the next example.

4. Execute Multiple Linux Commands from a Windows File

Instead of specifying all the commands to be executed on the remote Linux server in the plink command-line, you can also put them in a text file and specify the file as a parameter to the plink. Download sketchup pro 8 italiano crack free.

For example, create the following file called commands.txt on your Windows.

Now to execute all of the above commands on the remote Linux server one-by-one in a sequence, execute the following plink command on your Windows laptop.

5. Specify Connection Protocol

Plink allows the following protocols: SSH, Telnet, Remote Login (rlogin), Raw, Serial Connection Spotify equalizer pro free.

The most popular and the default is SSH. Use -ssh as shown below.

For Telnet:

For Remote Login using rlogin:

For Raw:

If you are trying to specify a particular protocol, and if you are getting “FATAL ERROR: Network error: Connection refused” error, it means that the remote server doesn’t support the specified protocol.

If you don’t want to specify the protocol on the command line:

You can use a saved PuTTY session which already has the protocol defined for that particular session.
Or, you can use Windows env variable called PLINK_PROTOCOL and set the value accordingly, which will be used by plink.

6. Specify SSH Password as Plink Argument

If you don’t have the key based authentication setup, then you can pass the password as a parameter in the command-line. Needless to say this method is not recommended.

This will connect to the server as root using the password specified by the -pw option, and execute all the given Linux commands and display the

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