[nflug] speed imaging netcat

[Eric Benoit]

Turns out it was taking all that long... my receiving hard drive was 
full once I freed up space the image copied rather quickly... it was a 
good mistake.  I'll try pv for fun
 
Bradley A. Llewellyn wrote:
> If you want to be able to watch the progress, you can get fancy with 
> "pv" and "dialog".  I used this to transfer an Innotek VirtualBox disk 
> drive to a file server:
>
> (pv vpc1.vdi -n | gzip -c1 | netcat fileserver 1234) 2>&1 | dialog 
> --gauge "Transferring file..." 7 70
>
> The key is the "-n" on the pv command.  It outputs a percentage to 
> "standard error" (handle '2'), then you redirect '2' to '1' and pipes 
> it through "dialog".  "7 70" is just the dimensions of the dialog box.
>
> --Brad L.
>
> Eric Benoit wrote:
>> *I'm trying to image a ssd drive across the network to my hard drive, 
>> I used the directions below and everything is working fine, however 
>> it is slow as time next to a blackhole ;)
>>
>> does anyone know a way I could speed things up a bit or byte?
>>
>>
>> based on the following instructions:
>> *
>>
>> This method uses dd and nc provided by the Debian Installer and 
>> another computer located on your local network:
>>
>>    * First, boot the debian installer on your USB disk
>>    * Then be sure to activate network and configure it, same thing for
>>      the disk (Do not partition it)
>>    * Open a console shell (Alt+F2 or from the Debian Installer menu)
>>    * On the backup computer:
>>          o get its IP adress (ifconfig)
>>          o start a listening nc session on port 9000:
>>
>> nc -l -p 9000 | gzip -1 -c > ./eeepc.img.gz
>>
>>    * With netcat-openbsd installed this line should read
>>
>> nc -l 9000 | gzip -1 -c > ./eeepc.img.gz
>>
>>    * On the EeePC shell:
>>
>> dd if=/dev/sda | nc -w 5 computer_ip_adress 9000
>>
>> Wait some minutes (about 35)... and you get a eeepc.img.gz with about 
>> 900Mb
>>
>> from the website:
>> *
>> http://tinyurl.com/5hozkf
>>
>>
>> Thank you,
>> Eric
>> *
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>
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