Upload Local File to Remote Server Ssh

Whenever you're working with computers or whatsoever electronic device that has storage capacity, you lot might need to distribute or share information and files in various ways.

Some of the most commonly shared files include audio files, images, videos, pdfs or any course of word documents.

Most of the time, the information beingness shared will be private or confidential – meaning it's meant for a specific person or a group of people, so protecting it is essential.

When it comes to devices like mobile phones we accept app the facilitate the transfer of files like xender, appshare or even sometimes the use of bluetooth. At present, when it comes to computers the case is non different we accept softwares and even sites that facilitate the same.

When information technology comes to sharing data in operating systems like Linux, there are multiple commands you can choose from to share data. Simply today we'll be focusing on the SCP command. It lets y'all share files and information securely and hands.

In today's market gap, having Linux skills is very essential and helpful more so if you are a system administrator. As a system admin sharing of data volition be among your day to day activity and you will need the data being shared to be rubber, and past using SCP command you will be able to accomplish this.

Before we become started, permit's begin past understanding what SCP is, and then we'll larn some commands y'all tin can use for file transfer.

What are SCP Commands?

SCP is an acronym for Secure Copy Protocol. It is a command line utility that allows the user to deeply copy files and directories between two locations usually between unix or linux systems.

The protocol ensures the transmission of files is encrypted to foreclose anyone with suspicious intentions from getting sensitive information.

In simpler words nosotros can say that SCP is a safer choice for the cp (re-create) command.

Information technology is also important to note that SCP uses encryption over an SSH (Secure Shell) connection, this ensures that the data being transferred is protected from suspicious attacks.

SCP Syntax

Merely like whatever other commands used in the terminal, the SCP too have a format that is used for a successful execution to happen. Past understanding the syntax it makes it easier for yous to write down the commands:

                scp [OPTIONS] [[user@]src_host:]file1 [[user@]dest_host:]file2                              

• scp - It initializes the control and ensures a secure shell is in place.
• OPTIONS - They grant dissimilar permissions depending on how they accept been used. Some of the most common options include:
• P (Caps) - specifies the port to establish connection with the remote host.
• p (lowercase) - preserves the times-tamp for ease of modification and access.
• r - copies the entire directory recursively
• q - copies files quietly, doesn't brandish the progress messages. Too known as repose way.
• C - for pinch of information during transmission.
  To understand more than about OPTIONS read scp options
• src_host - where the file is hosted. The source tin can either be a client or server depending on the origin of the file.
• dest_host - where the file will be copied to.

Since nosotros are dealing with file transmission, information technology definitely means that there have to be an involvement of more than ane machine to make the process possible. Nosotros are able to use SCP in the following cases:

• Copy files within same car.
• Copy files from a local host to remote host and vice versa.
• Re-create files betwixt two different remote servers.

At this point, information technology will be fair to state that before you utilize any SCP commands you will demand to have a few things in identify:

• SSh installed on both the customer and the server machines.
• Root access to both client and server machines.

With two thing'due south prepare yous are skillful to go. Allow's get started by seeing the commands in activeness.

Common SCP Commands

Copy File From Local Host to Remote Server

When copying files, being able to transfer files/data from local storage to remote server is very essential. When using the SCP commands y'all volition demand to specify a few things for this to happen.

You volition have to specify the path to the file as the source and too specify the remote host path, where the files are being copied to.

Let's take a scenario where we have a file exam.txt and we need to re-create information technology to a remote server, our command will wait like below:

                scp test.txt userbravo@destination:/location2                              

We are not express to the number of files we tin can copy. Let's say we are on our desktop in the folder chosen web where we have .php file extensions and we need to copy the to remote server home directory. Our command will await like:

                scp *.php userbravo@destination_host:/~/                              

*.php - copies all the files with the .php extension in the currently specified folder.
/~/ - ways copy them to the home directory.

Let's say you wanted to copy a file named test.txt and salve it with a unlike name in the remote server this time circular using an option of port. The command will exist:

                scp -P 8080 test.txt userbravo@destination_host:/user/abode/test2.txt                              

In this example we have copied a file examination.txt from local machine into remote where it will be saved equally test2.txt using port 8080.

Re-create Files From Remote to Local

A better way to understand this is past utilize of an example. Take a scenario where you want to copy files from remote organisation. To re-create the files you lot will need to first invoke the SCP, followed by the remote username@IP address, path to file.

If you do not specify the path, it is causeless as default in this case which volition be the user's home directory, this volition be followed the path where the file will exist stored locally.

The Syntax

                scp file <remote_username>@<IPorHost>:<PathToFile>   <LocalFileLocation>                              

Let'southward say I wanted to copy a file named linuxcheatsheet from the remote device with this accost 192.168.one.100.

The linuxcheatsheet file is stored on the kali user'south home directory, the user I volition authenticate. Therefore after the colon, I don't need specify the path because it'southward the default 1, which is the dwelling house directory, and I just type the filename ("linuxcheatsheet"). Then, I specify the current directory as the local location to store the file by typing a dot.

                scp linuxcheatsheet lary@192.168.ane.100: .                              

Copy Files From Remote Host to Another

The beauty of using SCP in file transferring, is that it does non only allow connection between local machines but as well it allows for you to connect to remote servers.

Let'south say we wanted to copy a file named test.txt, to another remote server the command would look similar below:

                scp user1@host1.com:/files/test.txt user2@user2.com:/files                              

What this control volition practice is copy test.txt from files binder in the the user1 and create a replicate of it in user2 which runs on host2.com yet on the files folder.

Copying Multiple Files

When copying multiple files, all yous need to do is specify the file name as the source path. for example.

The Syntax

                scp file1 file2 ... user@<ip_address_of_user>: Destination                              

Let's say we wanted to copy files i,ii,3 and 4. The command would expect like below:

                scp file1.txt file2.txt file3.txt file4.txt user1@host1.com:/home/user/Desktop                              

Takeaway Points:

• To be able to re-create files, you must have read permissions on the source file and write permission on the target organisation.
• The SCP command relies on SSH for secure data transfer, meaning it requires a password to cosign on remote systems.
• Spotter out when copying files with the same name and location, equally SCP volition overwrite them without warning you lot.
• To be able to distinguish between local and remote locations, use full colon : .

Wrap Up

Whether you are a back up engineer, system admin, or even a growing developer like myself who uses Linux or wants to learn it – information technology's likely that you will take to transfer files at some indicate. And knowing these simple SCP commands will come in handy.

In this article, we have covered some of the virtually mutual scenarios where you'd want to use SCP and hopefully you have learned something new.

Enjoy Coding ❤

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Source: https://www.freecodecamp.org/news/scp-linux-command-example-how-to-ssh-file-transfer-from-remote-to-local/

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