wlug December 2011

wlug@list.waikato.ac.nz

6 participants
6 discussions

Bit coin links and Greg's presentation notes.

by Chris O'Halloran

Hello All, Here is some more information from Greg's note at last Friday's presentation. I'd also like to thank Greg for volunteering to talk and for such a well presented and technical topic. Seeing the data miner in action was also a bonus. Attached is the email that Greg sent to Bruce and myself earlier this week. It seems as though there is plenty more reading on the topic. I've also loaded Greg's presentation to google docs so that those that weren't at the meeting can appreciate the presentation. <quote> Hi Chris, Bruce, as discussed here's the slideshow and talk-notes from last night I promised I'd send to you to forward on to relevant people, (group-wide bounced me on the email size limit). Also here's a list of relevant links as requested; Project home page http://www.bitcoin.org/ Wiki Main_Page https://en.bitcoin.it/wiki/Main_Page Network status live feed http://www.bitcoinwatch.com/ Forum https://forum.bitcoin.org/ Layman promo video site http://www.weusecoins.com/ Instawallet (web wallet) https://www.instawallet.org API -reference pages https://en.bitcoin.it/wiki/API_reference_(JSON-RPC) https://en.bitcoin.it/wiki/Original_Bitcoin_client/API_Calls_list Monetary theory - Austrian economics http://www.libertariannews.org/2011/06/18/the-economics-of-bitcoin-how-bi... http://austrianeconomists.typepad.com/weblog/2009/05/the-best-of-modern-a... http://mises.org/journals/qjae/pdf/qjae9_4_5.pdf http://en.wikipedia.org/wiki/Austrian_School http://mises.org/ Szabo bitgold post http://unenumerated.blogspot.com/2005/12/bit-gold.html Namecoin, distributed DNS Dot-bit project homepage http://dot-bit.org/Main_Page Feel free to email me for further links or information. Cheers, Greg B. Link to Greg's Bit Coin presentation<https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=1ggO7B5...> Link to Gregs' presentation notes<https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=1SqdoXY...> </quote>

7 years, 4 months

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Re: [wlug] Nautilus slowing down...

by Sandy

I figured out the problem. I found out last night that one shouldn't temporarily store stuff in the Templates folder, because it Nautilus then thinks everything in it is a document template. I moved the contents to another folder, and now performance is back to normal. Sandy

8 years, 5 months

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Razor-Qt: A New Qt-Based Desktop Environment

by Peter Reutemann

Feel like a change of desktop? Just came across the following posting on phoronix: Razor-Qt is a new Qt-based desktop environment for Linux systems. The Razor-Qt desktop was just updated to version 0.4.0 after being in development for months. This release improves stability of the lightweight desktop, introduces several new components, offers new translations, a new theme, new panel plug-ins, and much more. The new Razor desktop components are azor-runner, razor-config, qtxdg, and Razor own menu. Razor-Qt is self-described as "an advanced, easy-to-use, and fast desktop environment based on Qt technologies. It has been tailored for users who value simplicity, speed, and intuitive interface. Unlike desktop environments, Razor-qt also works fine with weak machines." More information on this new desktop release can be found in this blog posting: http://yarpen.cz/rants/?p=43 Phoronix post: http://www.phoronix.com/scan.php?page=news_item&px=MTAyOTg Razor-Qt homepage: http://razor-qt.org/ Cheers, Peter -- Peter Reutemann, Dept. of Computer Science, University of Waikato, NZ http://www.cs.waikato.ac.nz/~fracpete/ Ph. +64 (7) 858-5174

8 years, 5 months

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how to nfs export with file system acls

by Gregory Machin

Hi. I have a "CentOS release 5.3 (Final)" server that I need to replace. I need to migrate this server to a newer platform. It is currently exporting a xfs file system with facl's , and these work well with both new and old client machines. I have tried to replicated this on Ubuntu and , discovered that I need nfs v3 and facls support compiled into the kernel, I believe that RHEL6 / CentOS 6 should have this support, but I'm still not seeing the correct results. The client doesn't have the facls , and when writing files over the export the default facls are not correctly propagated. What have I missed in the configuration ? Thanks GM -- - TLA - three letter acronym ... - We are loosing the art of communication through progress.. Proverbs 27:17 (New International Version) 17 As iron sharpens iron, so one man sharpens another.

8 years, 5 months

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External USB 3.0 SATA + WD1600 ---- Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE CDB: Read(10): 28 00 00 00 00 80 00 00 08 00

by Elroy

Have 1x WD1600JD 160GB SATA HDD inside this: Digitus USB 3.0 External Enclosure - SATA HDD 3.5" Model: DA-70577 Rev 1-0 Getting below message when device plugged in and powered on: ========================================================================= [sdd] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Nov 19 15:53:28 Eeyore kernel: [11547.426758] sd 12:0:0:0: [sdd] Sense Key : Medium Error [current] Nov 19 15:53:28 Eeyore kernel: [11547.426763] sd 12:0:0:0: [sdd] Add. Sense: Unrecovered read error Nov 19 15:53:28 Eeyore kernel: [11547.426768] sd 12:0:0:0: [sdd] CDB: Read(10): 28 00 00 00 00 80 00 00 08 00 ========================================================================= NOTE: HDD does not appear to be powering up. NOTE2: HDD Power Management Jumper (PM2) is ON (Jumpers 3-4 shorted). NOTE3: Ubuntu 10.04/USB2.0 http://wdc.custhelp.com/app/answers/detail/a_id/958/session/L2F2LzEvc25vL... Getting this on USB enclosure power-off: ========================================================================= [12320.040194] [<ffffffff81012cb3>] apic_timer_interrupt+0x13/0x20 Nov 19 16:06:21 Eeyore kernel: [12320.040197] <EOI> [<ffffffff8101a67f>] ? mwait_idle+0x6f/0xd0 Nov 19 16:06:21 Eeyore kernel: [12320.040205] [<ffffffff8154566a>] ? atomic_notifier_call_chain+0x1a/0x20 Nov 19 16:06:21 Eeyore kernel: [12320.040210] [<ffffffff81010e53>] ? cpu_idle+0xb3/0x110 Nov 19 16:06:21 Eeyore kernel: [12320.040214] [<ffffffff8152cba7>] ? rest_init+0x77/0x80 Nov 19 16:06:21 Eeyore kernel: [12320.040219] [<ffffffff8184bddd>] ? start_kernel+0x36d/0x376 Nov 19 16:06:21 Eeyore kernel: [12320.040224] [<ffffffff8184b33a>] ? x86_64_start_reservations+0x125/0x129 Nov 19 16:06:21 Eeyore kernel: [12320.040228] [<ffffffff8184b438>] ? x86_64_start_kernel+0xfa/0x109 Nov 19 16:06:21 Eeyore kernel: [12320.040231] ---[ end trace 285acc4f109c4813 ]--- ========================================================================= Going to remove drive, disable power management, and try again.

8 years, 5 months

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Creating Your Own Distributable Ubuntu DVD

by Peter Reutemann

Just came across the following HOWTO: "This article is about how to create a DVD image of the Ubuntu distribution on your machine with the exact same software included on the disk. This can be done using a software called Remastersys. ..." http://www.howtoforge.com/creating-your-own-distributable-ubuntu-dvd Might try that with my new LinuxMint installation, generating a DVD image that contains all my preferred developer tools. :-) Cheers, Peter -- Peter Reutemann, Dept. of Computer Science, University of Waikato, NZ http://www.cs.waikato.ac.nz/~fracpete/ Ph. +64 (7) 858-5174

8 years, 6 months

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wlug December 2011