Questions tagged [file-transfer]

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13
votes
4answers
6k views

Copying protected files between servers in one line?

I'd like to copy squid.conf from one server to another. The servers don't talk to each other. I'd like to go through my workstation. Both servers have the file, so it will be overwritten on the ...
6
votes
2answers
6k views

How to read one filesystem from a whole disk image file?

I ran these commands: VBoxManage clonehd d6b9f0a5-98df-48ca-83c8-91a0809ec349 --format RAW Debian.raw sudo dd if=~/.VirtualBox/HardDisks/Debian.raw of=/dev/sda5 When I try to mount the partition, I ...
147
votes
13answers
150k views

How do I know if dd is still working?

I've not used dd all that much, but so far it's not failed me yet. Right now, I've had a dd going for over 12 hours - I'm writing an image back to the disk it came from - and I'm getting a little ...
110
votes
20answers
25k views

What is the fastest way to send massive amounts of data between two computers? [closed]

This is a situation I am frequently in: I have a source server with a 320GB hard-drive inside of it, and 16GB of ram (exact specs available here, but as this is an issue I run into frequently on ...
30
votes
5answers
177k views

Iptables to allow incoming FTP

I want to allow incoming FTP traffic. CentOS 5.4: This is my /etc/sysconfig/iptables file. # Generated by iptables-save v1.3.5 on Thu Oct 3 21:23:07 2013 *filter :INPUT ACCEPT [0:0] :FORWARD ...
7
votes
3answers
6k views

Smarter filetransfers than rsync? [closed]

I have a large file (2-3 GB, binary, undocumented format) that I use on two different computers (normally I use it on a desktop system but when I travel I put it on my laptop). I use rsync to transfer ...
6
votes
2answers
4k views

Verifying a large directory after copy from one hard drive to another

I have a home file server that I use Ubuntu on. Recently, one of my drives filled up so I got another and threw it in there. I have a very large folder, the directory is about 1.7 T in size and ...
8
votes
1answer
11k views

socat reliable file transfer over TCP

I am aware of disadvantages of "wait->stop" design, that usually is proposed with netcat: server$ cat test.dat | nc -q 10 -l -p 7878 client$ nc -w 10 remotehost 7878 > out.dat (It's not reliable :...
17
votes
2answers
36k views

Discover MTU between me and destination IP

In a case I can use only UDP and ICMP protocols, how can I discover, in bytes, the path MTU for packet transfer from my computer to a destination IP?
5
votes
1answer
10k views

How to send/upload a file from Host OS to guest OS in KVM?(not folder sharing)

I have to make a configuration file available to guest OS running on top of KVM hyper-visor. I have already read about folder sharing options between host and guest in KVM with 'qemu' and 9P virtio ...
1
vote
5answers
27k views

copying files from unix to windows?

Is there any way to automate the process of copying the files between windows and unix without doing it manually, using tools such as winscp. I need to copy files from unix to windows such by ...
4
votes
1answer
2k views

Serial File Transfer without lrzsz

I have a device running Raspian, that does not have the lrzsz package installed on it. I only have a serial port to the device, and can connect to the device using screen or minicom, but unfortunately ...
3
votes
3answers
2k views

Copying a file using SSH over a tunnel with cert forwarding

I need to find a way to copy files from mymachine to a server priv-server sitting on a private NATted network via a server pub-server with a public IP. The behind-NAT machine priv-server only has ...
2
votes
3answers
866 views

Shomehow the rx/tx-counters on the interface resets

When doing ifconfig from hour to hour I notice that the counters for RX/TX bytes transfers resets: RX bytes:921640934 (921.6 MB) TX bytes:4001470884 (4.0 GB) How come? I would like to keep track ...
1
vote
3answers
297 views

QEMU: Enable SFTP file exchange (guest ⇆ host) but prohibit guests access to public internet?

Assumed I run a Windows guest in a QEMU virtual machine on a Debian host. Hereby the Debian host is a common desktop computer with internet access. How can I set up a SFTP file exchange between guest ...
1
vote
1answer
7k views

Why does scp say “No such file”?

I have a bash script that uses scp to copy a file from my machine to another. The script keeps on exiting after I enter the SSH password with the error: <filename>: No such file or directory ...