[nflug] nc multicast

[Eric Benoit]

and speed? do you specify a byte amount during transfer?

Cyber Source wrote:
> Mount your system somewhere with a knoppix cd or whatever, can even 
> mount into memory space, cd into the mount point, where you'll be at / 
> then, "tar czpf 
> /othermountpoint-likeusbdrive-networkmount-whatever/filename.tar.gz ." 
> That will create a gzipped tar of your entire system (gzip if you like 
> to keep it small, etc.) Remember to think about different partitions, 
> /boot, whatever, I like to keep it all on one partition, save the swap 
> partition. People will argue this but if I ever want to break it out 
> into partitions later, thats easy enough too.
> Then take your system your going to do/redo and mount that into memory 
> (like /mnt/disk) with a knoppix cd or whatever and then mount your 
> filename.tar.gz somewhere else, like /mnt/orig. Then go into /mnt/disk 
> and run "tar xzf /mnt/orig/filename.tar.gz". When that's done, unmount 
> both and run grub like root (hd0,0) (whereever your /boot is) and 
> setup (hd0)(to write to the mbr of the first drive), adjust 
> accordingly to your needs.
> Formatting, swap, and subsequent tweaks of /etc/fstab, 
> /boot/grub/menu.lst and other tweaks are left up to the reader. but 
> that's it in a nutshell.
>
> Eric Benoit wrote:
>> that sounds awesome can you give me an example?
>>
>>
>> Cyber Source wrote:
>>> wow, I use tar and aside from network latency, it generally takes 
>>> about 5 min for 5gb, depending on processor speed. I've gotten away 
>>> from using networks entirely but that's my situation here. I use a 
>>> usb drive to transfer my new "dumps" to a system and usually boot 
>>> the thing with either a knoppix cd or usb stick. I even keep a copy 
>>> of an updated archives folder for apt, that I transfer into the new 
>>> system, this way it doesn't need to download all the packages again 
>>> (or since I made the dump), tweak a few UUID's and other settings, 
>>> and all good. I've installed entire systems this way in less than 
>>> 15min sometimes, all verbatim of the way I like our systems tweaked, 
>>> ready to ship out.
>>>
>>> Eric Benoit wrote:
>>>> about 45 min
>>>>
>>>> Cyber Source wrote:
>>>>> video streaming??!!
>>>>> I was asking about some sort of benchmark. You said you want to 
>>>>> "speed things up" so, I asked for a benchmark, how much data are 
>>>>> your transferring for how much time? If one system is 16gb and you 
>>>>> image it to another via your network, how long is that taking?
>>>>>
>>>>> Eric Benoit wrote:
>>>>>> I'll tell you what I do but what are the times were talking 
>>>>>> about? How much time for how much data?
>>>>>>
>>>>>> I'm not video streaming?
>>>>>>
>>>>>> I'm just kind of ghosting 16 gb accross a 100mbs connection to 
>>>>>> about 5 machines at a time
>>>>>>
>>>>>> Cyber Source wrote:
>>>>>>> that still didnt answer my question Eric
>>>>>>>
>>>>>>> Eric Benoit wrote:
>>>>>>>> sorry, I meant speed things up by imaging more than one 
>>>>>>>> computer at a time
>>>>>>>>
>>>>>>>> Cyber Source wrote:
>>>>>>>>> I'll tell you what I do but what are the times were talking 
>>>>>>>>> about? How much time for how much data?
>>>>>>>>>
>>>>>>>>> Eric Benoit wrote:
>>>>>>>>>> zcat ./my.img.gz | nc 192.168.10.10 9000
>>>>>>>>>>
>>>>>>>>>> nc -l -p 9000 | dd of=/dev/sda
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I'm using the setup above to image hard drives ...one 
>>>>>>>>>> computer at a time ...works great, but I want to speed things 
>>>>>>>>>> up...
>>>>>>>>>>
>>>>>>>>>> does this look right:
>>>>>>>>>>
>>>>>>>>>> source(192.168.10.10) image command:
>>>>>>>>>> zcat ./my.img.gz | nc -b -p 9000
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> destination command:
>>>>>>>>>> nc -l -n 192.168.10.10 -p 9000 | dd of=/dev/sda
>>>>>>>>>>
>>>>>>>>>> and another destination command:
>>>>>>>>>> nc -l -n 192.168.10.10 -p 9000 | dd of=/dev/sda
>>>>>>>>>>
>>>>>>>>>> and another destination command:
>>>>>>>>>> nc -l -n 192.168.10.10 -p 9000 | dd of=/dev/sda
>>>>>>>>>>
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