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Author Topic: NXT :: descendant of Bitcoin - Updated Information  (Read 2756796 times)
xibeijan
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December 25, 2013, 07:12:15 PM
 #7881

I think you'd be wise to listen to BCNext.   The contents of a release have no impact on the effectiveness of a backdoor.

Security is a process, you must exercise good habbits.

Now I got it, thx. I'll provide SHA256 next time (remind me if I forget).

Thanks.

Notable projects 2019: Semux, Dero, Wagerr, BEAM
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xibeijan
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December 25, 2013, 07:13:15 PM
 #7882


congratz to all off you last houres no problems running smooth and stable.

Pin

After each problem we become stronger and stronger. What will we see tomorrow...


+1 Keep up the good work.

Notable projects 2019: Semux, Dero, Wagerr, BEAM
notsoshifty
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December 25, 2013, 07:13:26 PM
 #7883

For security, what is the sha256sum?

Second vote for checksums on hosted files, especially where those of us with VPS might use wget/curl from another person's dropbox. Wouldn't be tough to squeeze in some code to steal all our coins (although of course you could do that too!).

Edit: I see you've now said you'll do it, thanks Smiley
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December 25, 2013, 07:13:44 PM
 #7884

rickyjames do you want to post your findings on there?

Sure, I'll post some thoughts over there.  I was a member at the raspberrypi.org forum from day one.  And I always have something to say.   Smiley
newsilike
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December 25, 2013, 07:22:44 PM
 #7885

Some transactions aren't added to the total balance of my account.
Yesterday they where... has that to do with a fork or something?
I run the 0.4.7e client.
Same thing in the blockexplorer...
Come-from-Beyond
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December 25, 2013, 07:25:15 PM
 #7886

Some transactions aren't added to the total balance of my account.
Yesterday they where... has that to do with a fork or something?
I run the 0.4.7e client.
Same thing in the blockexplorer...

PM me with ur account id.
rickyjames
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December 25, 2013, 07:25:24 PM
 #7887


That's great! Where could I buy a few thousands of these raspberries? For NXT or USD (not sure how long USD will be accepted so I prefer to get rid of dollars in the 1st place).

After digging a little more, I see Newark has Model B units (the one you want, the Model A doesn't have Ethernet) for $40 each including the programmed SD card - over 27,000 in stock for same day shipping.  This is the cost of two months of cloud server rental, so it's a realistic option, I think.  If you are serious about a one week crash effort to get some large number of Raspberry Pis deployed under NXT dev control, the hardware is there to support whatever plan you concoct.

https://www.newark.com/webapp/wcs/stores/servlet/AjaxOrderItemDisplayView?msg=&storeId=10194&krypto=%2B%2FKpD0rrCu%2BRMmbP2Qv6yQ9IfBfKe2WeQwOW%2FOSvzPPvrYfS55kXfjfrEynD6KsplcE%2FYzvdRAl1%0AfAq6eu2dBbJCz4pcTmsnA9tJElthXok%3D&ddkey=http:LegacyAddToBag
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December 25, 2013, 07:28:19 PM
 #7888


That's great! Where could I buy a few thousands of these raspberries? For NXT or USD (not sure how long USD will be accepted so I prefer to get rid of dollars in the 1st place).

After digging a little more, I see Newark has Model B units (the one you want, the Model A doesn't have Ethernet) for $40 each including the programmed SD card - over 27,000 in stock for same day shipping.  If you are serious about a one week crash effort to get some large number of Raspberry Pis deployed under NXT dev control, the hardware is there to support whatever plan you concoct.

https://www.newark.com/webapp/wcs/stores/servlet/AjaxOrderItemDisplayView?msg=&storeId=10194&krypto=%2B%2FKpD0rrCu%2BRMmbP2Qv6yQ9IfBfKe2WeQwOW%2FOSvzPPvrYfS55kXfjfrEynD6KsplcE%2FYzvdRAl1%0AfAq6eu2dBbJCz4pcTmsnA9tJElthXok%3D&ddkey=http:LegacyAddToBag

Thank u. After the release I'm going to make sure that NRS works well on them and buy as many as possible. I just have to find good datacentres for colocation.
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December 25, 2013, 07:30:55 PM
 #7889

Raspberry Pis running NXT. What a nice christmas this is, ladies and gentlemen!
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December 25, 2013, 07:33:55 PM
 #7890

hey cfb. does baseTarget adjust with an algorithm similar to bitcoins re-target algo?

Rep Thread: https://bitcointalk.org/index.php?topic=381041
If one can not confer upon another a right which he does not himself first possess, by what means does the state derive the right to engage in behaviors from which the public is prohibited?
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December 25, 2013, 07:35:02 PM
 #7891

hey cfb. does baseTarget adjust with an algorithm similar to bitcoins re-target algo?

No. Next base target = previous base target * time since last block / 60.

Edit: It's limited to 50% - 200% interval also.
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December 25, 2013, 07:37:36 PM
 #7892

War chest update

1. I have received several PMs with offers to help set up public nodes
2. Due to the very high volume of posts, I have not been able to check through every one looking for most suitable/deserving member to disburse the funds.
3. We have another 260K in the fund available for immediate disbursement. So, here's my plan.

Anyone who has a history of setting up nodes and who have a specific plan of action, please post your requirements here and follow up with a PM to me. I'll disburse funds to all legit requests asap.

Conditions:

1. You must describe your specific plan and how much Nxt you need to implement the plan.
    Eg. I need xx Nxt to set up nn Nodes in these locations by this date.

2. You have to report back to the community after you've implemented your plan.

Thanks.



I could setup more root servers... 24h-36h TTC... And attend them at least two times a day...
Server location: Germany
  • AMD Athlon 64 3700+, 2GB RAM , 100Mbit/s , 20Gbit/s uplink - 625NXT/month
  • Intel i7-4770, 32GB RAM, 1Gbit/s, 51Gbit/s uplink - 1350NXT/month
Possible remote hw reset/kvm
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December 25, 2013, 07:37:57 PM
 #7893

hey cfb. does baseTarget adjust with an algorithm similar to bitcoins re-target algo?

No. Next base target = previous base target * time since last block / 60.

Edit: It's limited to 50% - 200% interval also.

how do we get consensus on time?

Rep Thread: https://bitcointalk.org/index.php?topic=381041
If one can not confer upon another a right which he does not himself first possess, by what means does the state derive the right to engage in behaviors from which the public is prohibited?
rickyjames
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December 25, 2013, 07:38:47 PM
 #7894

Raspberry Pis running NXT. What a nice christmas this is, ladies and gentlemen!

+1  Grin
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December 25, 2013, 07:39:03 PM
 #7895

how do we get consensus on time?

If blocks/transactions too far in future (only +15 sec is allowed) then they r rejected.
landomata
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December 25, 2013, 07:39:56 PM
 #7896


That's great! Where could I buy a few thousands of these raspberries? For NXT or USD (not sure how long USD will be accepted so I prefer to get rid of dollars in the 1st place).

The best place...

http://www.newark.com/raspberry-pi-accessories

..altho there are many others (Amazon, EBay, etc) and Liz Upton of the Raspberry Pi Foundation is in direct contact with the Sony factory in the UK that turns out 40K units per week.

Something to use as a springboard document:

http://coen.boisestate.edu/ece/files/2013/05/Creating.a.Raspberry.Pi-Based.Beowulf.Cluster_v2.pdf

Thx.

A thought has crossed my mind... Could "The Hive" feature, developed by nexern, be deployed to those raspberries...

can you elaborate on what is "THE HIVE"

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December 25, 2013, 07:42:00 PM
 #7897

can you elaborate on what is "THE HIVE"

U should ask nexern, I already told too much.
davethetrousers
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December 25, 2013, 07:42:41 PM
Last edit: January 08, 2014, 05:28:33 PM by davethetrousers
 #7898

RaspNXT - a standalone NXT environment for the Raspberry Pi

UPDATE 2014-01-08: NXT 0.5.3 coming soon
UPDATE 2014-01-05: NXT 0.5.0 cancelled
UPDATE 2014-01-02: NXT 0.4.8, update script, blockchain-less



This package contains the current stable version of the NXT server and the Embedded Version of Oracle JRE that you can run on your Raspberry Pi as-is. You can get it from my public node server (hash checksums coming soon). This archive contains most of what you might need, including some helpful utilities and scripts.
If you have the JRE already or insist on using another one, try this archive. Both links always link to the newest version of the package. You can get older versions or other stuff from the nxt root of the server.
Notice: Unlike the initial version, there are no block files in this version of the package. This reflects the makeup of the main NXT releases, which are now also blockchain-less. If you would rather use a basic blockchain to update from, but don't have one yet, you can download one of these.

To download and run it on the Pi, do the following steps in a local or remote console. I assume you have the Pi up and running already, using e.g. Raspbian. I myself am using Raspbian, however, the package should also work with other distributions.

Code:
wget http://109.230.224.65/~nxt/nxt_rasppi.tar.gz
tar -xpf nxt_rasppi.tar.gz
chown -R *youruser*:*yourgroup* nxt/
cd nxt
ln -fs webapps/root/WEB-INF/web.xml configfile
./run_nxt.sh

I now have incorporated my public node update script into the package. Called automatically by the run script before starting the JVM, it fetches a list of well-known public nodes and puts them in your config.

You can tweak the JRE call in the run_nxt.sh script if you want. After some testing with the new version, I have found that not that much memory is needed.
Also, I put a symlink in the rootdir called configfile which leads to the web.xml file, for easier access.

I recommend running the server in some sort of backgrounding context, as it is basically a daemon. Use a multiplexer like screen or at least use nohup. For a more comprehensive guide on setting this up, I recommend this how-to which also references this package.

If you want to access the client from another machine - which you probably do want when starting the server or using the Pi as a whole remotely - remember to put your accessing IP or the "*" wildcard (no quotes) as allowed addresses in the configfile.

Have fun with it, and feel free to post some impressions of RaspNXT on your RPi Smiley

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December 25, 2013, 07:46:17 PM
 #7899

Standalone package for the Raspberry Pi:

I've put together a package with the current version of the NXT server and the Embedded Version of Oracle JRE that you can run on your Raspberry Pi as-is. You can get it from my public node server.


Cross-posting this to the Raspberry Pi forums now.
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December 25, 2013, 07:46:41 PM
 #7900

Standalone package for the Raspberry Pi:

I've put together a package with the current version of the NXT server and the Embedded Version of Oracle JRE that you can run on your Raspberry Pi as-is. You can get it from my public node server.

To download and run it on the Pi, do the following steps in a local or remote console. I assume you have the Pi up and running already, using e.g. Raspbian. I myself am using Raspbian, however, the package should also work with other distributions.

Code:
wget http://109.230.224.65/~nxt/nxt_rasppi.tar.gz
tar -xf nxt_rasppi.tar.gz
cd nxt
./run_nxt.sh

You can tweak the JRE call in the run_nxt.sh script if you want, most importantly of course: the memory usage. I have found that my preset values are more than enough, so you might want to try to tweak them lower, especially if you want to do something else with the Pi while running the server.
Also, I put a symlink in the rootdir called configfile which leads to the web.xml file, for easier access.

I recommend running the server in some sort of backgrounding context, as it is basically a daemon. Use a multiplexer like screen or at least use nohup.

If you want to access the client from another machine, as you probably are starting the server remotely, remember to put your accessing IP or "*" as allowed addresses in the configfile.

Have fun trying it out, and remember to post your impressions of NXT on a Pi.

someone pls FIX a thread with this on nextcoin ASAP!


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