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Showing 20 of 144 results by fex
Post
Topic
Board Electrum
Re: electrum-server does not respond
by
fex
on 27/04/2015, 21:19:40 UTC
Now if I try "sudo electrum-server getinfo" the electrum-server process blocks and nothing happens. The log does not show anything. Process cpu usage is at ~100%.

Any suggestions on how to debug this?
@fex,

The electrum-server DB has to catch-up.  It isn't a verbose process but seeing the CPU usage will assure you it is working.  The log will only update after passing every 1000 blocks.  Note it can take an hour or two to catch-up just 10-12 hours (on a modern CPU with an SSD).

Yes, I found this to be the case, but there was another thing.

I finally had some time to look into the problem: there were too many files open. I did change the limit for this in /etc/security/limits.conf as described on github, however, two things to note:

1. If you put an entry like " hard nofile 65536" in limits.conf, it will only work if is really logged in. It does not work (at least on Ubuntu 14.10) when another user account loggs in and then uses "su" to get into the account. This might be a problem when using "electrum-server" binary as it seems to use "su". To solve this, I added limits.conf-entries for the "really logged in" user account that starts the "electrum-server" binary.

Maybe this information could be added to the readme on Github somehow.

2. The error indicating that too many files were open was burried under a stack trace that I got when I was running run_electrum_server directly (instead of "electrum-server start"). It did not show up in the log file.



Regards,

Felix
Post
Topic
Board Electrum
electrum-server does not respond
by
fex
on 03/04/2015, 17:13:26 UTC
Hi,

I'm setting up an electrum server and have a problem getting the run_electrum_server running correctly - this process does not seem to respond.

Steps taken:
- installed electrum server using the provided python script
- setup a user account and specified it in /etc/electrum.conf
- increased allowed file handels for user in /etc/security/limits.conf
- downloaded a leveldb dump, set ownership of all files to user

- start server:
Code:
> sudo electrum-server start
Starting server as daemon
bash: line 0: ulimit: open files: cannot modify limit: Operation not permitted
nohup: redirecting stderr to stdout

- log says:
Code:
[03/04/2015-19:01:15] Starting Electrum server on XXX.XXX.XXX.XXX
[03/04/2015-19:01:15] Database version 3
[03/04/2015-19:01:15] Blockchain height 350446
[03/04/2015-19:01:15] UTXO tree root hash: b8bcc0587c80e07e3fd56da7e85faf2676d8dc35da1b1094f236936af1eeb958
[03/04/2015-19:01:15] Coins in database: 1400838008059941
[03/04/2015-19:01:15] TCP server started on XXX.XXX.XXX.XXX:50001

Now if I try "sudo electrum-server getinfo" the electrum-server process blocks and nothing happens. The log does not show anything. Process cpu usage is at ~100%.

Any suggestions on how to debug this?
Post
Topic
Board Digital goods
Re: [WTS] Microsoft MSDN keys anywhere from $2-$5
by
fex
on 14/01/2015, 12:05:30 UTC
Bought something: very fast response + everything works.

Thank you!
Post
Topic
Board Biete
Re: Cooler Master B600 600W Netzteil, 2x Bitburner Fury (~89GH/s)
by
fex
on 08/07/2014, 20:59:10 UTC
Preisupdate: 0,04BTC
Post
Topic
Board Biete
Re: 2x Bitburner Fury (~89GH/s) inkl. Netzteil
by
fex
on 01/07/2014, 06:20:09 UTC




Das Grundig Radio und der RasPi gehören nicht zum Lieferumfang Wink
Post
Topic
Board Biete
Re: 2x Bitburner Fury (~89GH/s) inkl. Netzteil
by
fex
on 30/06/2014, 06:21:07 UTC
Hi,

die Miner sind von CryptX gekauft und wurden, AFAIK, von Burnin entwickelt und hergestellt.

Preisupdate:
Beide Miner
- mit Netzteil: 0,21BTC
- ohne Netzteil: 0,18BTC

Zahlung in Euro wäre auch ok.

Gruß
Post
Topic
Board Biete
Re: 2x Bitburner Fury inkl. Netzteil
by
fex
on 27/06/2014, 08:08:57 UTC
Update: Preissenkung
Post
Topic
Board Biete
Topic OP
[Verkauft] Cooler Master B600, 2x Bitburner Fury (~89GH/s)
by
fex
on 25/06/2014, 20:15:33 UTC
Liebe Community,

wegen steigender Difficulty habe ich zwei Bitburner Fury inkl. ein Netzteil abzugeben.

Edit: alles verkauft

Cooler Master B600 600W Netzteil
- Typ RS600-ACABD3-E1
- durchschnittliche Effizienz: >85%
- 2x 6/8-Pin PCIe (12V single rail mit 47A)
- mit Anschlusskabel für die Miner sowie Netzkabel
- Verbrauch mit Minern "an der Steckdose" ~148W
- Neupreis ca. 50€

Bitburner Fury
- 2x ca. 45 GH/s
- nur einer der Miner besitzt einen funktionsfähigen USB-Anschluss
- der andere Miner wird per CAN-Bus-Kabel angebunden
- beide Platinen sind mit Abstandsbolzen fest verbunden
- Lüfter ist ein Noiseblocker BLACK Silent Fan XE2
- zusammen momentan, untertaktet (935mV), knapp 89 GH/s:
  

Miner und Netzteil sind seit November in Betrieb und funktionieren einwandfrei.

Preisvorstellung:
Beide Miner
- mit Netzteil: 0,21BTC
- ohne Netzteil: 0,18BTC


Post
Topic
Board Biete
Re: Community Mining - ### Neptun####
by
fex
on 11/04/2014, 09:24:15 UTC
Ich nehme an, Aggrophobia erhält den Refund in Euro. Wenn er nun Bitcoins damit kauft, erhalten wir mehr BTC als das ursprüngliche Investment, da der Kurs gefallen ist.
Post
Topic
Board Biete
Re: Community Mining - ### Neptun####
by
fex
on 11/04/2014, 07:48:24 UTC
Na dann Smiley Ich wusste gar nicht, dass ein refund möglich ist.
Post
Topic
Board Biete
Re: Community Mining - ### Neptun####
by
fex
on 10/04/2014, 18:30:15 UTC
Hallo zusammen,

es gibt ein Update: http://forum.kncminer.com/forum/news-and-anouncments/33092-neptune-update

Der wichtige Teil:
Quote
First it’s important to note that we don’t expect to be late at all everything is on track. It’s just always good to have a backup plan. Second our mega-data centre in the north of Sweden is nearing completion so we can give out some more details. All customers of Neptune’s will be able to use completely free of charge our data centre to hash for them at 3TH either on our pool or a pool of their choice while they wait for their product to be shipped. The first customers (batch 1) are expected to be hashing in our data centre in early June and the last customer will hash in our data centre around the last week of June. All the customers will be able to hash in that data centre for as long as we are late in shipping your Neptune product, this service will be provided on a best effort basis. We have a 24/7 operations teams in place with multiple redundant internet and power connections and we will aim to have as close to 0 down time as possible.
...
For those customers who no longer want to wait for their Neptune we have another new option for you. We are releasing for shipment a new 3TH product. We have a total of 400 of these setups available which are based on our existing and proven 28nm chips.

Ich denke nicht, dass es Sinn macht, einen 3TH Jupiter statt des Neptuns zu nehmen. Der Stromverbrauch ist vermutlich zu hoch. Außerdem bekommen wir ja ab Juni einen "virtuellen" Miner aus dem KnC-Datacenter, bis der echte Neptun da ist.

Post
Topic
Board Biete
Re: Community Mining - KnCMiner *** Aggrophobia 66% ROI ***
by
fex
on 09/03/2014, 22:24:54 UTC
Ok, schön. Durch die Jupiter-Anteile wirds evtl. noch etwas mehr.
Post
Topic
Board Group buys
Re: [GB]Terraminer IV #5, Coinsortium
by
fex
on 06/03/2014, 13:59:00 UTC
Soniq,

What is going on with miner #1?
The hash rate dropped in half!
http://eligius.st/~wizkid057/newstats/userstats.php/1BaWt1KM9jeiid9pjwrmiREFFSFF7edd3N

Also miner #2, I suppose soniq split the hash rate and mines on two pools now. Can you confirm that, soniq?
Post
Topic
Board Group buys
Re: [GB]Terraminer IV #5, Coinsortium
by
fex
on 06/03/2014, 09:26:04 UTC
Hi soniq,

how is miner #2 doing? Eligius shows a decline in performance:
http://eligius.st/~wizkid057/newstats/userstats.php/16EUMpTB1TzqDPdgzsBFg1sHKtKJ6Wq5gG

Also, when do the payments start?


Felix
Post
Topic
Board Group buys
Re: [GB]Terraminer IV #6 , 0.4 BTC=67GH/s 28/30 shares
by
fex
on 17/02/2014, 13:47:31 UTC
I'm selling 2 shares from batch #2, ordered mid october.

Price: 2BTC (for both shares)

PS: The price is not set in stone, if somebody is intereseted for less than 2BTC, just send me a PM.
Post
Topic
Board Group buys
Re: [GB]Terraminer IV #6 , 0.4 BTC=67GH/s 28/30 shares
by
fex
on 15/02/2014, 17:42:23 UTC
I'm selling 2 shares from batch #2, ordered mid october.

Price: 2BTC (for both shares)
Post
Topic
Board Biete
Re: Community Mining - KnCMiner *** Aggrophobia 54.8% ROI ***
by
fex
on 02/01/2014, 22:16:56 UTC
Danke für den Bonus und ein frohes neues Jahr allen Beteiligten Smiley
Post
Topic
Board Biete
Re: Community Mining - ### Neptun###2# 90/100 ## 30GH/0.15BTC
by
fex
on 30/11/2013, 22:28:04 UTC
Wenn es recht ist würde ich Fex' Anteile am 2. Miner übertragen auf Miner 1 und dir 0.75 BTC zurück erstatten.
Hierfür muss nur die Zustimmung von Fex kommen.
ich stimme zu Smiley

Ich würde die 5 von Fex übernehmen...... hast PM


Nur zur Klarstellung:

Meine 5 Anteile waren für den zweiten Miner, wobei nicht sicher ist, ob wir den noch im ersten Batch für Bestandskunden erhalten. Diese 5 Anteile habe ich an Aggrophobia zurückgegeben, da ich stattdessen Anteile am ersten Miner erhalte. D.h. es gibt eigentlich nichts zu übernehmen, aber für den zweiten Miner sind noch genug Shares frei (95 von 100, wenn ich das richtig sehe).
Post
Topic
Board Biete
Re: Community Mining - ### Neptun###2# 90/100 ## 30GH/0.15BTC
by
fex
on 30/11/2013, 17:50:50 UTC
Wenn es recht ist würde ich Fex' Anteile am 2. Miner übertragen auf Miner 1 und dir 0.75 BTC zurück erstatten.
Hierfür muss nur die Zustimmung von Fex kommen.
ich stimme zu Smiley
Post
Topic
Board Biete
Re: Community Mining - ### Neptun###2# 90/100 ## 30GH/0.15BTC
by
fex
on 29/11/2013, 20:06:11 UTC
Wenn es mit dem Batch für Bestandskunden nicht klappt, bin ich raus aus der Nummer. Laut KnC können mehrere Wochen Lieferzeit zwischen diesem ersten Batch und dem für Jedermann liegen.