Managed File Transfer and Network Solutions

Various Linux SCP Examples To Get You Started With Using Secure Copy

Posted by John Carl Villanueva on Mon, Jul 06, 2015 @ 10:37 PM


SCP (Secure Copy) is a quick, easy way to transfer files securely between two Linux machines. If you don't mind using the command line and all you want is a simple way to upload or download files on Linux, this series of SCP examples should be all you'll need to learn how to do it.


Quick Background

SCP actually runs on SSH. Hence, it allows you to transfer files over an encrypted connection. Later versions of SSH now come with a more sophisticated file transfer protocol called SFTP, which allows you to list files, create/delete directories, and perform other functions similar to those found in typical file system protocols. 

If you want to learn how to use command-line SFTP instead, read Using SFTP On The Command Line. But if you prefer something simpler and faster, proceed to the examples below.

I will assume you already have a running SSH/SFTP service that you can connect to. Many Linux distros have it installed by default. If your Linux machine doesn't have it, you can install the openSSH server or read the post Setting Up An SFTP Server.

Ready? Let's get this show on the road!

Basic SCP command syntax

In this post, you'll encounter several examples showing different variations of the scp command but this is the basic syntax:

scp [options] [path of source] [path of destination]

 Let's now dive into those examples.


1. Uploading file to remote user account's home; same local and remote username

If the username you're logged-into on your local host happens to be the same username you'll be logging into on your remote host, you really don't need to specify a username. Just be sure that username already exists on the remote host. Also, if the remote directory you want to upload the file to happens to be that username's home directory, then you also don't need to specify the remote directory.

The result is probably the simplest linux scp command you can find. Here's your first Linux SCP example: 

scp testdoc.txt


testdoc.txt is the file you want to upload

and is the IP address of the remote server. Of course, you can also use a hostname like instead of the numeric IP address.

Don't forget the colon (:).

Here's a screenshot showing the same command. As you can see, the local username is "johnv", which happens to be the same username I want to upload to on the remote host. As the screenshot shows, the SCP service may request the password for the remote username. Be sure you know what it is. 




2. Uploading file to remote user account's home; different local and remote usernames

If the username on the remote host differs from the one you're logged into on your local host, you'll need to specify the username (e.g. johnadmin) like this:

scp testdoc.txt [email protected]:


3. Uploading to subdirectory under remote user account's home

What if we wanted to upload that file to a subdirectory below the remote user account's home directory? Here's how you do it:

scp testdoc.txt [email protected]:/remotedir1/remotesubdir1




 4. Using wildcards

You can also use wildcards. For instance, here's how we would upload all files with the extension .txt to /remotedir1 subdirectory:

scp *.txt [email protected]:/remotedir1




5. Downloading to the current local directory

Let's now throw some downloads into the mix. Here's an easy one. This is how you'd download a file (e.g. textdoc.txt) from the remote account's home directory to the current local directory. The current local directory is represented by the dot (.) at the end of the statement. In case your browser didn't render it clearly, there's a space between txt and the dot.

scp [email protected]:testdoc.txt .

Notice how the remote host/path is now placed right after scp. That's because it's now become the source and the local host/path has now become destination.


6. Downloading and renaming

This is how you would rename a file immediately after it's downloaded.

scp [email protected]:testdoc.txt testdoclocal.txt

 So, as soon as testdoc.txt is finished downloading, it will be renamed to testdoclocal.txt.


7. Downloading multiple files

To download multiple files, just separate each file with a comma (,) and enclose with a backward slash and curly brackets like this:

scp [email protected]:~/\{testdoc.txt,triggerconditions2.txt\} .

In this example, we wanted to download the files testdoc.txt and triggerconditions2.txt from the remote home directory to the current local directory. Note that the curly brackets aren't nested inside the two backward slashes. Rather, they always follow the backward slashes, i.e., \{ ... \}

Note also the tilde (~) right after the colon (:). It represents the home directory. Some SSH server implementations require this. 


8. Uploading multiple files

To upload multiple files without using a wildcard, just enter each file name right after the scp command, separating each file with a space. This is how we uploaded the files testdoc.txt and triggerconditions2.txt to the subdirectory remotedir1:

scp testdoc.txt triggerconditions2.txt [email protected]:/remotedir1


9. Uploading an entire directory

You can also copy an entire directory from your local machine to the remote server. To do that, just insert the -r option right after the scp command like this:

scp -r ./testdir [email protected]:/remotedir1

In this example, we uploaded the subdirectory named testdir to the subdirectory named remotedir1, wherein testdir is located under the current local directory and remotedir1 is located under the current remote directory.


10. Downloading an entire directory

By now, you should have an idea how to copy an entire directory from the remote host to your local host. Let's say we'd like to do the reverse of that last example. That is, we'd like to copy the entire remotedir1 directory (and its contents) into the local directory testdir. Compare your answer with the one below:

scp -r [email protected]:/remotedir1 ./testdir

Note that the commands in example 9 and 10 copy directories recursively. Meaning, all subdirectories underneath those copied directories will be copied as well. 


Do you want more examples? Send us a Twitter tweet, write a comment on our Facebook, Google+, or LinkedIn pages, or simply comment below.


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Topics: Security, Tutorials, Secure File Transfer, SFTP