scp is used to securely copy files and directories to or from remote machine.
$man scp
SCP(1) BSD General Commands Manual SCP(1)
NAME
scp — OpenSSH secure file copy
SYNOPSIS
scp [-346BCpqrTv] [-c cipher] [-F ssh_config] [-i identity_file] [-J destination] [-l limit] [-o ssh_option] [-P port] [-S program] source ... target
DESCRIPTION
scp copies files between hosts on a network. It uses ssh(1) for data transfer, and uses the same authentication and provides the same security as ssh(1). scp will ask for passwords or
passphrases if they are needed for authentication.
The source and target may be specified as a local pathname, a remote host with optional path in the form [user@]host:[path], or a URI in the form scp://[user@]host[:port][/path]. Local file
names can be made explicit using absolute or relative pathnames to avoid scp treating file names containing ‘:’ as host specifiers.
When copying between two remote hosts, if the URI format is used, a port may only be specified on the target if the -3 option is used.
The options are as follows:
-3 Copies between two remote hosts are transferred through the local host. Without this option the data is copied directly between the two remote hosts. Note that this option disables the
progress meter.
-4 Forces scp to use IPv4 addresses only.
-6 Forces scp to use IPv6 addresses only.
-B Selects batch mode (prevents asking for passwords or passphrases).
-C Compression enable. Passes the -C flag to ssh(1) to enable compression.
-c cipher
Selects the cipher to use for encrypting the data transfer. This option is directly passed to ssh(1).
-F ssh_config
Specifies an alternative per-user configuration file for ssh. This option is directly passed to ssh(1).
-i identity_file
Selects the file from which the identity (private key) for public key authentication is read. This option is directly passed to ssh(1).
-J destination
Connect to the target host by first making an scp connection to the jump host described by destination and then establishing a TCP forwarding to the ultimate destination from there. Mul‐
tiple jump hops may be specified separated by comma characters. This is a shortcut to specify a ProxyJump configuration directive. This option is directly passed to ssh(1).
-l limit
Limits the used bandwidth, specified in Kbit/s.
-o ssh_option
Can be used to pass options to ssh in the format used in ssh_config(5). This is useful for specifying options for which there is no separate scp command-line flag. For full details of
the options listed below, and their possible values, see ssh_config(5).
AddressFamily
BatchMode
BindAddress
BindInterface
CanonicalDomains
CanonicalizeFallbackLocal
CanonicalizeHostname
CanonicalizeMaxDots
CanonicalizePermittedCNAMEs
CASignatureAlgorithms
CertificateFile
ChallengeResponseAuthentication
CheckHostIP
Ciphers
Compression
ConnectionAttempts
ConnectTimeout
ControlMaster
ControlPath
ControlPersist
GlobalKnownHostsFile
GSSAPIAuthentication
GSSAPIDelegateCredentials
HashKnownHosts
Host
HostbasedAuthentication
HostbasedKeyTypes
HostKeyAlgorithms
HostKeyAlias
Hostname
IdentitiesOnly
IdentityAgent
IdentityFile
IPQoS
KbdInteractiveAuthentication
KbdInteractiveDevices
KexAlgorithms
LogLevel
MACs
NoHostAuthenticationForLocalhost
NumberOfPasswordPrompts
PasswordAuthentication
PKCS11Provider
Port
PreferredAuthentications
ProxyCommand
ProxyJump
PubkeyAcceptedKeyTypes
PubkeyAuthentication
RekeyLimit
SendEnv
ServerAliveInterval
ServerAliveCountMax
SetEnv
StrictHostKeyChecking
TCPKeepAlive
UpdateHostKeys
User
UserKnownHostsFile
VerifyHostKeyDNS
-P port
Specifies the port to connect to on the remote host. Note that this option is written with a capital ‘P’, because -p is already reserved for preserving the times and modes of the file.
-p Preserves modification times, access times, and modes from the original file.
-q Quiet mode: disables the progress meter as well as warning and diagnostic messages from ssh(1).
-r Recursively copy entire directories. Note that scp follows symbolic links encountered in the tree traversal.
-S program
Name of program to use for the encrypted connection. The program must understand ssh(1) options.
-T Disable strict filename checking. By default when copying files from a remote host to a local directory scp checks that the received filenames match those requested on the command-line
to prevent the remote end from sending unexpected or unwanted files. Because of differences in how various operating systems and shells interpret filename wildcards, these checks may
cause wanted files to be rejected. This option disables these checks at the expense of fully trusting that the server will not send unexpected filenames.
-v Verbose mode. Causes scp and ssh(1) to print debugging messages about their progress. This is helpful in debugging connection, authentication, and configuration problems.
EXIT STATUS
The scp utility exits 0 on success, and >0 if an error occurs.
SEE ALSO
sftp(1), ssh(1), ssh-add(1), ssh-agent(1), ssh-keygen(1), ssh_config(5), sshd(8)
HISTORY
scp is based on the rcp program in BSD source code from the Regents of the University of California.
AUTHORS
Timo Rinne <tri@iki.fi>
Tatu Ylonen <ylo@cs.hut.fi>
BSD November 30, 2019
To copy a directory recursively use -r flag:
$ scp -r nvidia@nvidia-nano:/usr/src/tensorrt/samples/python/uff_ssd ~/dev/
nvidia@nvidia-nano's password:
inference.py 100% 12KB 3.3MB/s 00:00
engine.py 100% 5750 4.5MB/s 00:00
__init__.py 100% 0 0.0KB/s 00:00
boxes.py 100% 6725 5.2MB/s 00:00
coco.py 100% 4755 4.2MB/s 00:00
...
shell - How do I copy a folder from remote to local using scp? - Stack Overflow
To copy file which has spaces in path and/or name use double backslash before space and wrap entire file path in double quotation marks:
~/Downloads$ scp nvidia@nvidia-nano:"/home/nvidia/Pictures/Object\\ Detection\\ -\\ SSD.png" ~/Pictures
nvidia@192.168.0.10's password:
Object Detection - SSD.png 100% 444KB 1.2MB/s 00:00
app.py 100% 4921 17.9KB/s 00:00
Dockerfile 100% 152 0.9KB/s 00:00
Makefile 100% 313 2.1KB/s 00:00
README.md 100% 2179 8.1KB/s 00:00
requirements.txt
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