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4
votes
1answer
1k views

Reading a filesystem from a whole disk image

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 ...
7
votes
3answers
3k 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 ...
56
votes
10answers
30k 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 ...
11
votes
3answers
27k 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 ...
4
votes
1answer
3k 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 ...
11
votes
5answers
2k views

How to copy a file that is still being written over ssh?

Here is the situation: I am uploading a large file from client A to a server using sftp. I also need to download this file from the server to client B over ssh. What I would like to do is start ...
4
votes
2answers
2k 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?
2
votes
3answers
66 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 ...
0
votes
5answers
10k 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 ...