Questions tagged [scp]

Secure Copy or SCP is a means of securely transferring computer files between a local host and a remote host or between two remote hosts. It is based on the Secure Shell (SSH) protocol.

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9 answers
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Can scp copy directories recursively?

Currently I can only copy a single .tar file. But how can I copy directories recursively with scp?
kernel's user avatar
  • 8,671
101 votes
10 answers
89k views

How do I do Multihop SCP transfers between machines?

I want to copy a file from my machine A to server C, but only have access to server C through server B. Instead of first transferring to server B, log in and then transfer to server C, Is is possible ...
sverrejoh's user avatar
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98 votes
2 answers
161k views

scp without known_hosts check

Is there any chance to skip the known_hosts check without clearing known_hosts or disable it in ssh.conf? I neither have access to known_hosts nor ssh.conf yet. Don't find any suitable in man.
burnersk's user avatar
  • 2,096
84 votes
9 answers
108k views

How to make scp copy hidden files?

I often use SCP to copy files around - particularly web-related files. The problem is that whenever I do this, I can't get my command to copy hidden files (eg, .htaccess). I typically invoke this: ...
rascher's user avatar
  • 1,148
79 votes
11 answers
126k views

Allow SCP but not actual login using SSH

Is there any way to configure a user on a Linux box (Centos 5.2 in this case) so that they can use scp to retrieve files, but can't actually login to the server using SSH?
DrStalker's user avatar
  • 7,036
72 votes
8 answers
99k views

Quickest way to transfer 55GB of images to new server

I currently have two CentOS servers. I need to know how and what the quickest way would be to "tar" up the images directory and SCP it over? Is that the quickest way that I just suggested, because ...
Andrew Fashion's user avatar
64 votes
7 answers
106k views

How to move files with SCP?

How to not copy but move files from one server to another (both Linux)? man scp didn't give me anything useful. I cannot use 'scp' then 'rm' because I must make sure the file is successfully ...
Putnik's user avatar
  • 2,327
62 votes
6 answers
730k views

How to pass password to scp command used in bash script? [duplicate]

Possible Duplicate: Connect through SSH and type in password automatically, without using a public key I have a bash script that makes dump of DB then copies file from one server to another but ...
chubbyk's user avatar
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47 votes
4 answers
149k views

PSCP: Upload an entire folder, Windows to Linux

I am using PSCP to upload some files from Windows to Linux. I can do it fine just uploading one file at a time. But I have some very large directories and I want to upload an entire directory at once. ...
Mechlar's user avatar
  • 617
44 votes
2 answers
127k views

preserve permission with scp

SCP does not seem to preserve ownership stamps even if used with -p option. scp -p /mysql/serv/data_summary.* some_server:/mysql/test/ The files are owned by mysql and I want the same ownership to ...
shantanuo's user avatar
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40 votes
4 answers
129k views

FTP/FTPS/SFTP/SCP - Speed comparison [closed]

How do FTP, FTPS, SFTP, and SCP compare in terms of transfer rate and how can I compare them through testing?
Graham's user avatar
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39 votes
4 answers
142k views

Can I scp a folder that has sub folders?

I have a folder that contains files for a static website like: /site/index.html /site/css/css.css /site/js/js.js /site/images/... If I update something on my laptop, I want a single command to send ...
Blankman's user avatar
  • 2,901
38 votes
3 answers
47k views

SCP transfer only modified files

I'm using below command to transfer files cross server scp -rc blowfish /source/directory/* [email protected]:/destination/directory Is there a way to transfer only files modified files just like ...
Passionate Engineer's user avatar
38 votes
4 answers
67k views

Make scp always overwrite or create directory

I am using scp to copy a directory from one remote server to a new directory (IE just changing the name) on another remote server like: scp -prq server1:dir1 server2:dir2 This works fine if dir2 ...
Giles's user avatar
  • 381
32 votes
3 answers
182k views

WinSCP alternative for OS X (that supports sudo and without virtualizing WinSCP) [closed]

I recently switched from administering my systems using Windows to OS X. I've found really nice alternatives to damn near everything I used previously, however I have not found a nice GUI editor (...
grufftech's user avatar
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29 votes
7 answers
72k views

Is there a GUI alternative to Putty SSH for transferring files?

Or any GUI SSH for Amazon ec2 Linux instance servers? I need to transfer files between two Linux virtual servers and currently I have PuTTY (which Amazon recommends). However I am new to the server/...
javasocute's user avatar
27 votes
12 answers
514k views

SCP copy windows local file to linux remote folder

How to get a file from my path d:/test.txt and copy it to /etc/var/test/test.txt? I've tried this: scp d:/test.txt /etc/var/test/test.txt but that didn't work. How do I set the hard disk from where I ...
user3414354's user avatar
27 votes
3 answers
99k views

scp files and delete files on remote directory [closed]

I am a unix noob, so please be patient :-) I have a script that scps a bunch of files to another server. Suppose they are z1.foo, z2.foo etc. What I want to do is to scp files and delete files older ...
Kapsh's user avatar
  • 519
24 votes
10 answers
56k views

Copy large file from one Linux server to another

I'm attempting to copy a 75 gigabyte tgz (mysql lvm snapshot) from a Linux server in our LA data center to another Linux server in our NY data center over a 10MB link. I am getting about 20-30Kb/s ...
Nathan Milford's user avatar
24 votes
5 answers
26k views

Difference between scp and sftp

What is the difference between sftp and scp?
Daniel's user avatar
  • 3,801
22 votes
6 answers
22k views

OpenSSH anything like 'internal-sftp' but for SCP?

I'm running Debian stable and I'm looking to establish the following environment for users in my 'sftponly' group: jailed can transfer with SFTP can transfer with SCP cannot login interactively with ...
brianjcohen's user avatar
20 votes
2 answers
58k views

Why is scp not overwriting my destination file?

I'm trying to back up a file via the command scp /tmp/backup.tar.gz hostname:/home/user/backup.tar.gz When I run it, the scp progress bar shows up and it looks like its transferring the file, ...
Noli's user avatar
  • 351
18 votes
2 answers
37k views

What a pros and cons of FTP vs SSH for file transfers?

Why to consider setting up an FTP service on a server when files transfers work fine by means of SSH (with Midnight Commander on a Lunux and FileZilla on a Windows client)? What are pros and cons of ...
Ivan's user avatar
  • 3,398
16 votes
6 answers
18k views

Problems with SCP stalling during file copy over VPN

I have a series of files I need to copy via SCP over a VPN to a remote linux server each night. The files are not large, we're talking about tens of megabytes here, but the file copy almost always ...
MattC's user avatar
  • 377
15 votes
2 answers
15k views

Why is scp with compression slower than without?

I needed to transfer a 20 GB KVM vdisk file, storing the root filesystem of a CentOS 6.5 VM, from one lab server to another. The large file size and the fact that I had once compressed such a vdisk ...
pdp's user avatar
  • 778
14 votes
3 answers
15k views

Redirect output of mysqldump to scp

I worked with a Linux pro years ago who did this nifty trick. He could do a mysqldump but redirect the output to an scp/ssh connection rather than writing to disk. We used this quite a bit where I ...
xzyfer's user avatar
  • 323
14 votes
3 answers
19k views

scp returns "unexpected <newline>" error

I am trying to scp a file from a server to my local machine, but it is giving me this error: protocol error: unexpected <newline> This is my syntax: scp user@server:/path/to/file . It did ...
srchulo's user avatar
  • 317
14 votes
5 answers
38k views

Running multiple scp threads simultaneously

Running multiple scp threads simultaneously: Background: I'm often finding myself mirroring a set of server files a lot, and included in these server files are thousands of little 1kb-3kb files. All ...
caesay's user avatar
  • 315
14 votes
4 answers
6k views

SCP filename tab completion

I use SCP regularly to move files between servers and I've heard rumoured that you can use tab-completion on the remote server if you're using public keys, but so far I have had no luck. What I'm ...
user avatar
14 votes
2 answers
15k views

What does limit performance of scp?

I've two Debian Linux machine connected via 1 Gbit LAN. I can measure this with a raw HTTP file transfer with wget which gets around 100MB/s in either direction. When I now use scp, the maximum ...
mark's user avatar
  • 1,526
14 votes
2 answers
12k views

Up-to-date alternatives of rssh or scponly [closed]

I need: An scp and sftp server With chroot-ed environment With non-login (ssh not allowed for scp/sftp users) Options and related issues I found: scponly No updates since more than 6 years Does ...
Julen Larrucea's user avatar
13 votes
1 answer
15k views

SCP with password authentication only doesn't ask me for password

I'm trying to copy files from one server to another with scp. On both servers, I configured ssh port to 222. sshd_config for both servers is exactly the same (no RootLogin, PasswordAuthentication ...
Harkonnen's user avatar
  • 233
13 votes
4 answers
2k views

Is BitTorrent good for copy files between servers in the workplace?

I have 1 source server that contains about 30GB of files that I want to copy to 7 other servers. I currently SCP the files over to the first four servers and when that transfer is complete SCP to the ...
Edward's user avatar
  • 449
13 votes
5 answers
78k views

SSH / SCP Server on Windows [duplicate]

Possible Duplicate: What is a good SSH server to use on Windows? Can anyone on the SF community recommend a trustworthy/easy to set up SCP server for windows. I do not want to go through the ...
WerkkreW's user avatar
  • 6,039
12 votes
5 answers
64k views

scp - Permission denied (publickey,gssapi-keyex,gssapi-with-mic)

Trying to copy files over from serverB to serverA and get the following error: root@server:~# scp /root/test.txt [email protected]:/home/somefolder/ Permission denied (publickey,gssapi-keyex,...
user756659's user avatar
12 votes
1 answer
10k views

Reliable file transfer over slow or flaky network link

I need to transfer a number of files files over a low-quality broadband link to a server. The files are large, and take approximately 30 minutes to transfer per file. I use scp, but it sometimes ...
user1219721's user avatar
11 votes
4 answers
27k views

Delete files older than X days on remote server with SCP/SFTP

Do anyone know some good way to delete files on remote server that are older than X days using just SCP/SFTP? Sure I can write some script on perl etc but I feel it's overkill. Any UNIX way? Oneliner? ...
Mike's user avatar
  • 374
10 votes
2 answers
15k views

Linux SCP defining destination port

How can I specify a port for the destination ip? When I do scp -p 0000 it still tries to connect on port 22, not the one I'm specifying. scp svn_backup.tgz [email protected]:/path/to/new/svn/
Ben's user avatar
  • 3,880
9 votes
2 answers
19k views

scp only files with defined extension

I want to transfer only files with special extensions (like only *.tar.gz, *.war) in one scp command (Debian Linux). Is this possible, if yes how is the syntax? Should be someting like: scp 192.168....
markus's user avatar
  • 1,110
9 votes
1 answer
12k views

bind interface for upload : scp works, not rsync

I need to upload file on a specific interface. This cannot be set-up via iptables, because my script output on several interfaces. this is working fine : scp -oBindAddress=192.168.100.1 ... but ...
user1219721's user avatar
9 votes
4 answers
63k views

Use scp to copy a file to different servers

I have to copy a file to different servers almost every day. What I usually do is: scp filename user@destinationhost:/destination/folder I run this same command changing the destination host over ...
Ruben's user avatar
  • 93
9 votes
3 answers
18k views

scp - skip a file while running

I'm running scp and copying a folder from remote server, I'm running with -rl , so i see the files being copy, is it possible to skip current file some way?
Chen Kinnrot's user avatar
8 votes
8 answers
24k views

Copying huge files between two remote machines - Efficiently

I have a shell script which keeps on copying huge files (2 GB to 5 GB) between remote systems. Key based authentication is used with agent-forwarding and everything works. For ex: Say the shell script ...
Varun's user avatar
  • 405
8 votes
2 answers
4k views

Does SCP lock the file it is transfering?

Have a situation where we have an application log sitting out on an AIX server. The log is being continually written to from the application, and we have users on Windows who want to view the file. ...
ThaDon's user avatar
  • 497
8 votes
4 answers
32k views

Why getting a permission denied (public key) error for SCP when SSH works

I'm trying to copy a file from my local host to my Amazon EC2 instance using SCP and receiving the error: Warning: Identity file blocks_key.pem not accessible: No such file or directory. ...
John's user avatar
  • 91
7 votes
2 answers
4k views

MTU on server accidentally set to 0, can't ssh into it?

My server had some problem with the ssh and I couldn't upload files of size > 10 KB, as scp would hang during the copy. I found a solution for this problem here, and I was changing the MTU, when I ...
Bharadwaj Srigiriraju's user avatar
7 votes
3 answers
27k views

Why is FileZilla SFTP file transfer max capped at 1.3MiB/sec instead of saturating available bandwidth? rsync and WinSCP are even slower

I'm downloading from a server and downloads are maxing out at 1.3MiB/second with FileZilla but I can start concurrent downloads and they will download at 1.3MiB/second also. So why can't I download ...
htfree's user avatar
  • 481
7 votes
4 answers
2k views

Cisco IOS QoS prioritize SSH but not SCP

How can I prioritize ssh traffic to ensure low-latency but throttle SCP file transfers? I'm looking for a solution that is not host specific so I don't have to add lists of IP addresses. Thanks!
ensnare's user avatar
  • 2,232
7 votes
5 answers
20k views

scp inside sh-script with passphrase

I've got a sh-script for a backup scp /mybackupdir/* backupuser@backupserver:/backup Is there an easy way to add a passphrase to the scp? Or do I have to check if an ssh-agent is running and if not ...
Stephan Weinhold's user avatar
7 votes
5 answers
7k views

Skip over intermediate server via SSH

I just got hired to work in a lab with a big 'ol linux cluster. I'm a mac/windows guy, so I'm still trying to figure out how to navigate around using a 'nix command line. So far I haven't run into any ...
tel's user avatar
  • 173

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