the obligatory blog update post

HI! I’m jcpham. I started this blog. I took an 11 month break from this blog because I don’t find myself very interesting anymore.

jcphams runs http://rithm.blue

jcpham is the HNIC, he is Denzel himself.

There is nothing to see here, but there may be something to see there.

You cannot have this domain I still use it, fool.

Tagged

usb erupter tutorial

usb erupter

Getting the USB Block Erupter working on Windows 7

Test Build: Windows 7 x64

USB to Serial drivers: http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx

If you are accustomed to the nuances of cgminer, maybe it is time to learn bfgminer, because it was WAY EASIER to get these working on my Win7 test build. I’m not hating on cgminer at all; I love cgminer. I’ve heard it even autodetects these devices for you in the newest linux version. So learn linux, ditch Microsoft. But if you don’t _want_ to do that, here are some pointers.

The switch for these devices is -S. Most of the guides and tutorials I’ve read for cgminer basically treat these miners like an Icarus FPGA device.

Here’s in  an example of a cgminer string to enable and use these devices (if you had devices registered as COM3, COM4, COM5, COM6, etc):

cgminer.exe –icarus-options 115200:1:1 –icarus-timing 3.0=100 -S //./COM3 -S //./COM4 -S //./COM5 -S //./COM6

I was never actually able to get cgminer working at all with a single device on COM3. I attempted to exclude GPU’s with -G, I tried different drivers, it did not want to cooperate with me. So let’s try bfgminer, shall we.

I was able to get it online with the latest version of bfgminer by simply using:

bfgminer.exe -S all

This way it runs my GPUS and other devices also. So I recommend it. I’ve excluded the pool options and I assume you can add them yourself. Happy Mining!

miner-erupter

Postscript

Was it a dream, I’m sure, that brought the sun?
Awake, asleep, when dreams do come
Cold night, sad moon, please come undone
Shine tomorrow or bring me none…

And now day faded, blink blink, goodbye
No more light can shine, please dry your eyes
For as we sleep, we dream, we fly
The sun will return to hush your cries.

Sleep well, brave Son, kiss kiss, goodnight
For daddy is here to guard your light.

Was it a dream,…

Tagged

monday synth

Welcome to the inner workings of my mind… So dark and foul I can’t disguise…can’t disguise

Nights like this
I become afraid
Of the darkness in my heart
Hurricane.

What’s wrong with me
Why not understand and see
I never saw
What you saw in me

Keep my eyes open
My lips sealed
My heart closed
And my ears peeled

Holy shit my Monday just got better because of this synth masterpiece, remixed by CHVRCHES.

For one day only, I am now truly back in the 80’s. MS MR‘s slow, catchy hook has been sped up just a tad and the pop beat goes on and on. Also a lyrical masterpiece.

Protip: Enjoy your day.

Tagged

bitcoin is winning

winning

Charlie Munger: “I think it’s rat poison.”

Bill Gates: “[Bitcoin] is a techno tour de force.”

Warren Buffett: “I think either Charlie or Bill is right.”

Bitcoin was brought up this year by a Berkshire Hathaway shareholder at their Annual Meeting, the venue for which was the lovely CenturyLink Center in Omaha, Nebraska.

“Of our $49 billion, we haven’t moved any to bitcoin.”

Tagged

dat slow trap

So chill. Check out 17 year old HU₵₵I on soundcloud and facebook.

HU₵₵I

                 [ slow motion for me, slow motion for me ]

Bonus track! I’ve been bumping this one for a while now.

Tagged

robocopy-fu

Here’s a little powershell script I used to solve a problem where I needed to synchronize MILLIONS of files quickly and be notified about it promptly once the operation has complete.

Normally, I’d take machine snapshots or something but this backup is native and sadly, it happens at the file level; it also requires a Microsoft OS to run natively on bare-metal. rsync isn’t fast enough as-tested. However, 128 threads of robocopy flies right through it!

Robocopy starting with Windows Vista *SHOULD* support multiple concurrent threads with the /MT switch.

# PowerShell Robocopy script with e-mail notification
# Created by Michel Stevelmans - http://www.michelstevelmans.com
# needed moar variables and threads [http://jcph.am edit]

# Change these values, name your job, configure the paths
$job = "BLAH"
$DateAndTime = get-date -UFormat "%Y%m%d_%H%M%S"
$SourceFolder = "F:\REPORTS"
$DestinationFolder = "\\UNC_PATH\TO\SHARE\REPORTS"
$Logfile = "C:\LogFiles\$job-$DateAndTime.log"
$EmailFrom = "some@server.com"
$EmailTo = "deez@deez.com"
$EmailBody = "Robocopy Job: $job completed successfully. See attached log: $Logfile for details"
$EmailSubject = "Robocopy Summary: $job for $DateAndTime"
$SMTPServer = "some.smtp.server"
$SMTPPort = "25"

# Copy Folder with Robocopy
Robocopy $SourceFolder $DestinationFolder /R:1 /W:1 /MT:128 /MIR /XX /LOG:$Logfile /NP /nfl /ndl

# Send E-mail message with log file attachment
$Message = New-Object Net.Mail.MailMessage($EmailFrom, $EmailTo, $EmailSubject, $EmailBody)
$Attachment = New-Object Net.Mail.Attachment($Logfile, 'text/plain')
$Message.Attachments.Add($Attachment)
$SMTPClient = New-Object Net.Mail.SmtpClient($SmtpServer, $SMTPPort)
$SMTPClient.Send($Message)
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