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1 Article purpose[edit source]
The article aims to give some information useful to start with the scp Linux command.
2 Introduction[edit source]
The scp[1] copies files between hosts on a network. It uses ssh[2] (remote login program) for data transfer, uses the same authentication and provides the same security as ssh.
This article focuses on the file transfer between a host PC and a STMicroelectronics board over a network connection.
3 Installation on your target[edit source]
The scp is installed on the STMicroelectronics images via the package openssh.
4 Installation on your PC[edit source]
The package openssh-client must be installed on your host PC to perform a file transfer over network with the scp.
On Ubuntu:
sudo apt-get install openssh-client
5 Getting started[edit source]
- Your host PC and your board are connected to your local network through
- The board IP address (<board ip address>) has been retrieved thanks to the ip Linux command line
- Upload a file (<host file path>/<example.txt>) from your host PC to your board:
scp <host file path>/<example.txt> root@<board ip address>:/<board file path>/
Example (assuming that <board ip address> is a.b.c.d): Copy the example.txt host PC file in the /home/root/ board directory echo "scp example: from host PC to board" > ./example.txt scp ./example.txt root@a.b.c.d:/home/root Check the result on the board cat /home/root/example.txt scp example: from host PC to board
- Download a file (/<board file path>/<example.txt>) from your board to your host PC:
scp root@<board ip address>:/<board file path>/<example.txt> <host file path>/
Example (assuming that <board ip address> is a.b.c.d): Copy the example.txt board file in the current directory of the host PC echo "scp example: from board to host PC" > /home/root/example.txt scp root@a.b.c.d:/home/root/example.txt ./ Check the result on the host PC cat ./example.txt scp example: from board to host PC
6 References[edit source]