Tuesday, May 11, 2010
carbon credit - a perspective
If the corn field owner and the owner of 1600 Pennsylvania Avenue feel that their home/livelihood is disturbed - well, they would be correct. So, would the poor person having their livelihood is taken away....
I am not a proponent for deforestation - I feel exactly the opposite. All I am concerned is rich people making poorer people pay for the rich's mistakes and arrogant use of the earth.
Some times, paying the poor too can make them further poor - by making them beg. The riches need to pay as fine in the name of 'fine' for their bad addiction / behavior. The payment should come in the form of reducing their own carbon foot print - say walking to work for one week by every one in a town. Dry their cloths in cloth line. Stop buying new cloths for the next 4 years - until you had to wear torn cloths for your wedding and it is acceptable in the society (sorry if you are offended...).
Tuesday, April 27, 2010
TechAmerica - members
Publishes CyberStates 2010.
Silicon Valley Leadership Group - members
- Accenture
- Action 36 Cable 6
- Adaptec
- Adobe Systems
- Adura Technologies
- Advanced Power Projects
- AECOM
- Affymetrix
- Agilent Technologies
- Akeena Solar
- Akraya
- Alom
- Altera
- AMD
- American Airlines
- AMF Media Group
- Amgen
- Anaerobe Systems
- Anda Networks
- Aon
- Apple Computer
- Applied Materials
- Asyst Technologies
- AT&T
- Atmel
- Ausra
- BAE Systems
- Bank of America
- Bank of the West
- Battery Ventures
- BD Biosciences
- Bell Microproducts
- Berger Lewis
- Bessemer Venture Partners
- Better Place
- BJS Group
- Bloom Energy
- Borel Private Bank & Trust Company
- Boulevards New Media
- Bridge Bank
- Bridgelux
- Brocade Communication Systems
- CA
- Cadence Design
- California Micro Devices
- California State University East Bay
- California Water Service
- CaliSolar
- Cargill Salt
- Catalyst BioSciences
- Centillium
- Centrify
- Chevron Energy Solutions
- Chrysalis Software
- Chrysalis Software
- Cisco Systems
- Citibank
- Citrix Systems
- City National Bank
- ClearEdge Power
- Cobalt Biofuels
- Comcast
- Cowen and Company
- Crescendo Ventures
- CSC
- Cypress Envirosystems
- Daystar Technologies
- DeCarta
- Declaration Services
- Dell
- Deloitte & Touche
- Design Visionaries
- Devry University
- DuPont
- eBay
- Echelon
- EFI
- Egon Zehnder International
- eHealth
- El Camino Hospital
- Elynx
- EMC Corporation
- EMC
- eMeter
- Empire Broadcasting
- EMQ
- Encover
- Energy Connect
- Enernoc
- Envision Solar
- EPRI
- Ernst & Young
- Escape Velocity
- eSilicon
- ETM Electromatic
- Exponent
- Extreme Networks
- Extron
- Fairchild Semiconductor
- Federspiel Controls
- Finelite
- Foothill-De Anza Community College District
- Fortinet
- FUJIFILM Dimatix
- Garland Actuarial
- Genentech
- Gilead Sciences
- Global Netoptex
- Golden Gate University
- Goodwill of Santa Clara County
- Gordon Biersch
- Green Momentum
- Green Waste Recovery
- Hanson Permanente
- Hara Software
- Harris Stratex Networks
- Heritage Commerce Corporation
- Hewlett-Packard
- Hitachi Data Systems
- IBM Corporation
- iControl
- IDT
- Ikun Energy
- Informatica
- Innovalight
- Integrated Science Solutions
- Intel Corporation
- Intermolecular
- Intuitive Surgical
- Ireland San Filippo
- JDS Uniphase
- JFK University
- Johnson & Johnson
- Jones Lang Lasalle
- Juniper Networks
- Kaiser Permanente
- Kennedy Jencks
- KLA-Tencor
- Kovio
- KPMG
- Lam Research
- Landec
- LED Green Power
- Lee Hecht Harrison
- LibraryWorld
- Lightspeed Venture Partners
- Lincoln Law School
- Linear Technology
- LiveFuels
- LJ Engineering & Manufacturing
- Lockheed Martin Global Communications Systems
- Lockheed Martin Space Systems Company
- LSI Logic Corporation
- Lucile Packard Children's Hospital
- Luxim
- Macrovision
- Manpower
- Marvell
- Mattson Technology
- McAfee
- McKinsey & Company
- MDS Analytical Technologies
- Metricstream
- Miasol?
- Microsoft
- MIPS Technologies
- MoSys
- MSquared
- Nanosolar
- Nanostellar
- NASA-Ames Research Center
- NASDAQ
- National Hispanic University
- National Semiconductor
- Navigator Technologies
- NBC-11
- Net Logic
- NetApp Inc.
- Netflix
- New Power Projects
- New Resource Bank
- New United Motor Manufacturing
- Northern California Public Broadcasting
- Northrop Grumman Marine Systems
- Novellus
- Numenta
- NXP Semiconductors
- Oakland A?s/San Jose Earthquakes
- Objectivity
- oDesk
- Ohlone College
- OpenWave Systems
- Oracle
- Outreach
- Pacific Gas & Electric
- Palm
- Palmer College of Chiropractic
- Palo Alto Medical Foundation
- Plantronics
- Plus3Networks
- PMC-Sierra
- Polycom
- Poseidon Ventures
- Presencia Technology
- PriceWaterhouseCoopers
- Prosper Marketplace
- Q-Cells
- Quantum
- Quantum Energy Services & Technology
- Raisch Products
- Raritan
- Redback Networks
- ReGrid Power
- Renesas
- Renewable Power Solutions
- RFQConnect
- Robert Half International
- Roche
- Rockwell Collins
- Samsung
- San Francisco 49ers
- San Jose Giants
- San Jose Mercury News
- San Jose Sharks
- San Jose State University
- San Jose Water Company
- San Jose-Evergreen Community College District
- Sandisk
- Sanmina-SCI
- Santa Clara Family Health Plan
- Santa Clara University
- SAP
- Seagate Technologies
- SearchRev
- Sempra Energy
- Sequoia Hospital
- Serious Materials
- SETI Institute
- SGI
- Siemens Industry, Building Technologies
- Silicon Valley Systech
- Silicon Valley/San Jose Business Journal
- Silver Spring Networks
- Solar Technologies
- Solarcity
- Solaria
- Solazyme
- SolFocus
- Sonic Solutions
- Southwest Airlines
- Spansion
- Specialized Bicycles
- SpikeSource
- Splunk
- SRI International
- Stanford Hospital & Clinics
- Stanford University
- Stellar Solutions
- Stion
- STMicroelectronics
- Sun Industries
- SunFund
- SunPower
- SunWize
- Surgery Center Partners
- SVB Financial Group
- SVTC
- Symantec
- Symmetricon
- Synaptics
- Synopsys
- Tagent
- Taleo
- Targus Financial Solutions
- Tecan Systems
- Telesoft Partners
- Tessera
- The Health Trust
- The Stealth
- TIBCO
- Tioga Energy
- Transpak
- Trimble Navigation
- TRIRIGA
- Ultratech
- Union Bank
- United American Bank
- United Data Tech
- University of California
- University of California
- University of California
- University of Phoenix
- Valence Energy
- Vantage Point Venture Partners
- Varian Medical Systems
- Verari
- Virgin America
- VirtualLogix
- VMWare
- Waste Management
- Watt Stopper
- Webcor
- Wells Fargo Bank
- West Valley Staffing
- West Valley/Mission Community Colleges
- Wyse Technology
- Xactly Corporation
- Xenoport
- Xstrata Recycling
- Yahoo!
Sunday, April 25, 2010
Monday, April 19, 2010
Coupon Companies
- 2ergo
- 8coupons
- AAfter Corporation
- Adility
- Adpera.com
- AfterWorkDeals
- Amazon Filler Item Finder
- Armadealo
- Bluesky Local
- Brozengo
- COUPONGOOD
- CardStar
- CashStar
- Centrl
- CheapIrvine.com
- Chitown Deals
- Coupious
- Coupon Tweet
- CouponAlbum.com
- CouponCabin
- CouponDiscover
- CouponMeUp.com
- CouponShack
- CouponWorx.com
- Coupons Dealuxe
- Coupons2Grab
- Deal Linker
- DealBk
- DealDivine
- DealPerk
- DealRocker.com
- DealTaker
- DealTattle
- Dealster
- Dealzon
- Discounts Ahoy
- Emerald City Eats
- FriendsEAT
- Fudha
- Fulll.com
- GAP Miners
- Gaucho
- GotoDaily
- Grabacode
- Grocio
- Khojguru
- Likebees
- Lunchtimedeals.com
- MDot Network
- MobGeo Ltd
- MobiQpons
- Mobile Flow
- MySavings
- MySavings, Inc.
- Myzerr
- Offeretti
- OzVoucherCodes
- PC Counter
- PriceAlerter
- Qpons
- Quick Deal Services
- Quicktoclick.com
- Qustodian
- Red Tag Media
- RestoMontreal.ca
- SacramentoGrapevine.com
- SafeList.com
- SavingPiggy
- Savings
- Savings Friend
- ScoutMob
- ShopLocal
- Smash Deals
- SmileyDeals
- Snacksquare
- Star Return
- Supplement Deals
- SwoopUp.com
- Tjoos
- Tooio
- TownSync
- TweetWagon
- UPto75
- UnoDeals
- VouChaCha
- Voucher Codes
- WOWzzy
- We-care.com
- Worldviewer
- YOOSE
- YourNight.com
- beeclever
- couponroof.com
- couponsdiary.com
- dealam.com
- dealspl.us
- eCampusCash
- mobicampus
- online-couponcodes
- socialpda
- the-lodging.com
- txtmailer
Mobile Coupon Companies
- 2ergo
- 8coupons
- Armadealo
- Invitation Digital
- Lunchtimedeals.com
- MDot Network
- MobGeo Ltd
- Mobilitrix
- MobiQpons
- Mobile Flow
- Qustodian
- VouChaCha
- YOOSE
Coupons EcoSystem
Coupons Eco System – (Mostly from Wikipedia)
Types of Coupons:
1. discounts
2. free shipping
3. first-time customer coupons
4. free giveaways
Coupon Distribution:
1. mail
2. magazines
3. newspapers
4. Internet
5. mobile devices
Why Coupons:
1. research the price sensitivity
Online coupon names:
2. coupon codes
3. promotional codes
4. promotion codes
5. discount codes
6. key codes
7. promo codes
8. surplus codes
9. portable codes
10. shopping codes
11. voucher codes
12. reward codes
13. source codes
Coupon Fraud Prevention Methods:
1. unique barcodes
2. coupon ID numbers
3. holographic seals
4. watermarked paper
Discount Reasons:
1. Prompt payment discount
2. Preferred payment method discount
3. Partial payment discount
4. Sliding scale fees
5. Forward dating
6. Seasonal discount
Misc Topics
Allowances:
1. Promotional allowances
2. Brokerage allowance
Rebate:
1. mail-in rebate (MIR)
2. Instant rebate
Scrip
gift certificates
gift vouchers
scrip fundraising
trade, donate, buy and sell gift cards
virtual currency by online games
Monday, April 12, 2010
list of tests available
- ACID for web standards
Related Topics:
- Benchmarking for assessing relative Performance while Test Suites are for Correctness/Verification. (Besnchmarking can have a test suite as well)
- Standard Performance Evaluation Corporation (SPEC)
- Phoronix Test Suite
Equivalence in other Industry:
- FCC certification
- Automobile crash test rating
Sunday, April 11, 2010
windows install CLI
netsh interface ip set dns "Local Area Connection" static 192.168.11.33
NET START SharedAccess
netsh firewall set opmode disable
#2008
Cscript \windows\system32\SCRegEdit.wsf /ar 0
#2003
Cscript \windows\system32\SCRegEdit.wsf /ar 0
Cscript \windows\system32\SCRegEdit.wsf /cs 0
Friday, April 09, 2010
de-open source - Oracle/MySQL
- Company wanting to benefit from community contribution in terms of
code addition, code modification, code review & product testing - Company folding - so, open source the product
- Older product or version of product
- Company getting good will
- Opening more usage of the product
My fear is MySQL, used by many companies in production, going closed source. One theory (or did I read somewhere?), was that Oracle purchasing Sun was for MySQL. If it had purchased, MySQL directly, people could call foul easily.
Facebook is using MySQL in their storage. And it is really lots of them. I don't think Oracle would be happy about it. One way to twist Facebook's arm could be by offering Oracle for Facebook at a reduced price or threaten to stop fixing/improving MySQL.
Wednesday, April 07, 2010
KQED FM 88.5 program
- All Things Considered
- BBC World Service
- California Money
- The California Report
- Cambridge Forum
- Car Talk
- City Arts & Lectures
- Commonwealth Club
- The Do List
- Forum
- Fresh Air
- Health Dialogues
- Inside Europe
- It's Your World (a broadcast of the World Affairs Council)
- Latino USA
- Living On Earth
- Marketplace
- Marketplace Money
- Morning Edition
- NewsHour
- On the Media
- A Prairie Home Companion
- Quest
- Radio Specials
- Says You!
- Selected Shorts
- Soundprint
- Studio 360
- Talk of the Nation
- Tech Nation
- This American Life
- This Week in Northern California
- To the Best of Our Knowledge
- Wait, Wait Don't Tell Me
- Washington Week
- Weekend Edition
- World
- National Public Radio
- Public Radio International
- BBC World Service
- American Public Media
- Forum
- The California Report
- Perspectives
Smart Appliance in your premise?
Saturday, April 03, 2010
Friday, April 02, 2010
Microsoft doing it again - anti-competitive against vmware
Well.. microsoft seems to be doing it again. Using monopoly in Windows OS and joining hands with citrix($8B) - crushing vmware($22B).
vmware is the market leader in virtualization. Microsoft is a late starter into the field. Virtualization products/concept is catching on - Microsoft can't stand to see some one else making more money in software.....
Wednesday, March 31, 2010
Gluster by Anand Babu
This is another open source project taken over by commercial enterprise
http://www.gluster.com/ - commercial
http://www.gluster.org/ - open source
This seems to be similar in relationship between memcached & northscale
Sunday, February 28, 2010
The 20 most promising companies in the cloud storage
The 20 most promising companies in the cloud storage
by ChannelWeb
23/02/2010
Check out the main suppliers of data storage on cloud computing, the segment of opportunities for the channel
Storage as a service is, for many channels, entering the world of cloud computing. The niche has all the benefits of cloud computing, including the use of shared infrastructure in other data centers to store data and integrate infrastructure into the cloud with the strategy of internal storage and backup. And like almost all customers are looking for better ways to store and backup data, there are many opportunities for suppliers in the industry. Check out the 20 most promising manufacturers of the segment and that can lead the partners to the cloud.
See also: The 20 companies most promising applications in the cloud
1) 3X Systems
The appliance for remote backup (RBA) of 3X Systems offers encrypted backup. The partners in implementing the RBA customers with technology that eliminates duplicate data whenever the information changes in computers and PCs are automatically RBA set to perform backups, which makes the device a sort of mini cloud of storage. It can also be brought to the office or customers in remote areas in case of data recovery after a disaster.
2) Asigra
The Asigra software provides WAN-optimized with the aim of helping customers to control their private or public clouds in a single interface. The tool allows better data protection and ease of filing. The software also manages the lifecycle of backup. The Asigra restructured recently, its policy of channels and now betting on more stable partnership - giving the same margins for small and large partners.
3) Axcient
The Axcient offers a hybrid model of cloud storage that includes a combination of storage and appliance-based storage service on the Internet. Thus, customers can back up data locally for fast recovery, or online, for added security. The SMB can buy the tools of Axcient capacity of 500GB to 10TB via partners. Are the channels that connect to the Internet and use the infrastructure in the cloud that is owned by Axcient.
4) Carbonite
The Carbonite is a pioneer in offering online backup and was the first to offer unlimited backup for the fixed price of $ 55 per year. The company also offers partnership and system manufacturers have a program that channels may be added Carbonite systems in your list of services. The software company backs up data automatically each time the information is modified with encryption.
5) Caring
The Caring Castor allows partners to build an infrastructure of cloud using only a USB memory plugged into one of several company servers. As work in the cluster, these servers automatically replicate each file stored in Castor. The company also offers a content router to distribute information within the cloud beaver, the ability to deliver files of the cloud and a filing function to desktop users who can not only store data and make them available without interrupting workflow .
6) Ctera
The Ctera provides an appliance that delivers all that is required for storage in the cloud in minutes. CloudPlug The device is based on Linux, plugged in, PC and router, allows backups are done automatically in the cloud, without additional software or hardware. The company also offers an appliance for storage on NAS that saves the data in the cloud.
7) Doyenz
The platform's virtualization Doyenz allows partners to build virtual appliances to low-cost disaster recovery, failures or data migration. The company allows it to be built and tested virtual appliances using VMware ESXi software, which can be deployed in minutes if used in conjunction with companies with Savvis and Rackspace. Customers pay the equivalent of one hour consulting rate of the partner, which gives the channel a continuous source of revenue.
8) Efolder
The Efolder helps SMB-focused channel to be offered in the cloud storage and archiving of e-mails. The company also has an offer hybrid cloud and local, which includes an appliance that uses local disk for fast recovery, but stores information in the cloud for remote backup. Last year, he acquired the eFolder the DoubleCheck, specializing in managing e-mail and security, hoping to combine storage, storage and security of e-mail in an indirect offer to the market.
9) EMC
The offer of EMC Mozy for online backup, which was bought in 2007, follows one of the most popular cloud. At the end of 2008, EMC Mozy combined with Pi, a specialist in personal information management, to create a new subsidiary, Decho. The Decho focuses on providing a platform on which to base the construction of storage in the cloud and other services, with special focus on storing and managing personal data.
10) i365
The i365, a subsidiary of Seagate, working with channel partners and managed service to help customers to have a storage infrastructure in the cloud. The company's offer consists of a myriad of partner services in the cloud storage, data protection, storage of e-mails, ediscovery and tools for restoration and data migration. The bet more i365 is new technology that allows software developers to install their applications directly into the cloud storage of i365.
11) IBM IBM service called Smart Business Storage Cloud is a private cloud that supports multiple petabytes of data and billions of files. It is based on IBM's blade servers and storage technology XIV. The service allows companies seams a local cloud storage managed by IBM or a backup data center at IBM. IBM also plans to build a public cloud storage.
12) IntronA
IntronA offers its online backup tool for partners interested in selling it with its own brand. With functionality that ensures that only data changes are stored, the tool also has functions ready for adherence to government regulations. In addition, it also supports backup, storage and file recovery Exchange. The channels can guarantee commission and revenue continued to win new customers for the company or can offer the services of IntronA as part of its own portfolio.
13) Mezeo Software
The Mezeo created software that enables IT organizations to create services cloud storage to their customers. Platform Mezeo Cloud Storage includes a web application, a native client for Windows desktop and native applications for iPhone, BlackBerry and Windows Mobile. With the platform, partners can offer sharing, collaboration, file labeling (tagging), and safety.
14) RELDATE
The technology RELDATE consolidating iSCSI, SAN, NAS and WAN on a single supply of storage, can be used by channels to help its customers build private cloud of storage. The appliance 9240i/RELvos allows customers to scale independently of the storage capacity of disk, replication, storage services and network performance without disrupting their applications. The appliance uses the operating system for virtualization of own RELDATE, Grass and has a controller for high performance SAS disk storage and integrated.
15) Robobak
The Robobak technology provides an automated backup for remote offices, which helps to deliver a supply channel of Storage-as-a-Service. Tool v9 Data Protection Robobak has the understanding of technologies such as backups and fighting duplicate data. In addition, it includes encryption and various tools for creating backup policies.
16) Symantec
Symantec has two offers to cloud up. For companies, the option is the Symantec Protection Network that can be resold by the channels to their customers. Part of the Symantec Hosted Services, the platform of cloud services the company can protect and manage the information stored on any device as and in formats such as e-mail or Messeges. For end users, Norton Online Backup allows up to five PCs in the same house have automatic backups of their data centers within the company, with the added ability to research and share these files.
17) Symform
The cloud storage Symform make a backup copy of the client and divided into blocks of 64MB, the mixing among them with AES-256 and breaking them back into 1MB chunks and adding a further 32 other pieces 1MB for redundancy. After that, the company sends these fragments to 96 storage centers scattered around the world. These cores are obtained in the internal structure of its customers, separating a small part of its storage capacity to be used as storage of data from other companies.
18) Vembu
The of Vembu StoreGrid, allowing channels to enter the market of the cloud with its own brand, now also offers storage services. These include services clustering and load balancing, and allows the data in the Amazon cloud to be replicated directly.
19) Zenith Infotech
The platform of the Zenith Infotech allows channels to offer managed services, help desk and virtual Disaster Recovery for SMB companies. The provision of backup and disaster recovery company was a pioneer in using a hybrid concept - local and cloud - including one for a local backup appliance and sends the data every 15 minutes for the cloud.
20) Zetta
Zetta's technology helps partners to build an infrastructure in the cloud that can replace the indoor storage of SMB companies. The supply of storage in the cloud of Zetta delivers high standard service as data snapshots, replication, and full redundancy without requiring additional hardware and acting like a traditional storage device. It also provides protection and data integrity, security and privacy at a price of 25 cents per gigabyte per month.
Wednesday, February 17, 2010
business model - 2 schools
Mr. G - M&A
2. Mr. E - Develop/sell products
Mr. G - Buy Products/technology
3. Mr. G - Buy good will
Mr. E - organically develop goodwill (downside - time to market)
4. Mr. E - pay salary in cash
Mr. G - Equity only compensation
5. Mr. G: News flash of relationship
6. Mr. G: Franchise model
7. Mr. G: lobby is one model by which grow - 60% of the business development
Wednesday, February 10, 2010
testlog - another test case management tool
testlog - yet another test case management tool
Free 90 day evaluation, then US$99 to purchase.
Supported on: Windows 2000, XP, 2003 Server, Vista and Windows 7.
Requirements:
32MB RAM, 10MB Disk space, Pentium CPU or higher, Internet Explorer 5.5 or higher. IIS (5.1 or higher) or Apache for web access (CGI) module.
Web Access module (optional): (Bummer....)
This is an optional module which allows access to a TestLog database over a web server. Requires TestLog. US$50 per user license.
Tuesday, February 09, 2010
Tuesday, February 02, 2010
ntfs-3g & FUSE
NTFS-3G is an open source cross-platform implementation of the Microsoft Windows NTFS file system with read-write support. NTFS-3G uses the FUSE file system interface, so it can run unmodified on many different operating systems. It has been reported to work with Linux, Mac OS X, FreeBSD, NetBSD, Solaris, BeOS, QNX and Haiku. It is licensed under either the GNU General Public License or a Commercial license. It is a partial fork of ntfsprogs and is under active maintenance and development.
| www.ntfs-3g.com |
Filesystem in Userspace (FUSE) is a loadable kernel module for Unix-like computer operating systems, that allows non-privileged users to create their own file systems without editing the kernel code. This is achieved by running the file system code in user space, while the FUSE module only provides a "bridge" to the actual kernel interfaces.
Released under the terms of the GNU General Public License and the GNU Lesser General Public License, FUSE is free software. The FUSE system was originally part of A Virtual Filesystem (AVFS), but has since split off into its own project on SourceForge.net.
FUSE is available for Linux, FreeBSD, NetBSD (as PUFFS), OpenSolaris, and Mac OS X. It was officially merged into the mainstream Linux kernel tree in kernel version 2.6.14.
Volume Snapshot Service (VSS) Shadow Copy
Shadow Copy (also called Volume Snapshot Service or VSS), is a technology included in Microsoft Windows that allows taking manual or automatic backup copies or snapshots of data, even if it has a lock, on a specific volume at a specific point in time over regular intervals. It is implemented as a Windows service called the Volume Shadow Copy service. A software VSS provider service is also included as part of Windows to be used by Windows applications. Shadow Copy technology does not require the file system to be NTFS, although it needs one NTFS volume for the shadow copies to be stored.
commands:
vssadmin list providers
vssadmin create shadow /for=c:
kboot & kexec
kboot is a proof-of-concept implementation of a Linux boot loader based on kexec. kboot uses a boot loader like LILO or GRUB to load a regular Linux kernel as its first stage. Then, the full capabilities of the kernel can be used to locate and to access the kernel to be booted.
kboot integrates the various components needed for a fully featured boot loader, and demonstrates their use. While the main focus is on basic technical functionality, kboot can serve as a starting point for customized boot environments offering additional features.
kboot is currently only tested on the ia32 (i386) platform. Some of its features include:
- supports most file systems and device drivers the Linux kernel supports
- transparent navigation in the file system of the booted system, including auto-mounting guided by /etc/fstab
- network configuration is either manual or with DHCP, including name resolution via /etc/hosts and DNS
- access to file systems via NFS
- access to files via HTTP, FTP, and TFTP
- inbound and outbound SSH (to and from the boot loader)
- no pretty user interface yet
- no integration of RAID, LVM, etc.
- needs to support more platforms, in particular amd64
- file name completion only works for commands and kernels
- does not boot legacy operating systems yet
kexec from wikipedia
kexec (kernel execution) is a mechanism of the Linux kernel that allows "live" booting of a new kernel over the currently running one. kexec skips the bootloader stage (hardware initialization phase by the firmware or BIOS) and directly loads the new kernel into memory, which starts executing immediately. This avoids the long times associated with a full reboot, and is useful on systems with high availability requirements, where minimizing downtime is of essence.
While feasible, there are two major challenges in implementing a mechanism such as kexec: first, the new kernel will overwrite the memory of the currently running one, while it is still executing. Second, the new kernel will usually expect all physical devices to be in a well-defined state, as they are after system reboot, when the BIOS (or firmware) resets them to a "sane" state. Bypassing a real reboot means devices may be in an unknown state, and the new kernel will have to recover from that.
Apache Lucene
Wikipedia:
Apache Lucene, while suitable for any application which requires full text indexing and searching capability, Lucene has been widely recognized for its utility in the implementation of Internet search engines and local, single-site searching.
At the core of Lucene's logical architecture is the idea of a document containing fields of text. This flexibility allows Lucene's API to be independent of the file format. Text from PDFs, HTML, Microsoft Word, and OpenDocument documents, as well as many others can all be indexed so long as their textual information can be extracted.
COW : Copy on Write
Copy-on-write (sometimes referred to as "COW") is an optimization strategy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, they can all be given pointers to the same resource. This function can be maintained until a caller tries to modify its "copy" of the resource, at which point a true private copy is created to prevent the changes becoming visible to everyone else. All of this happens transparently to the callers. The primary advantage is that if a caller never makes any modifications, no private copy need ever be created.
.....
The COW concept is also used in maintenance of instant snapshot on database servers like Microsoft SQL Server 2005. Instant snapshots preserve a static view of a database by storing a pre-modification copy of data when underlaying data are updated. Instant snapshots are used for testing uses or moment-dependent reports and should not be used to replace backups.
COW may also be used as the underlying mechanism for snapshots provided by logical volume management and Microsoft Volume Shadow Copy Service.
Sunday, January 31, 2010
iPad use possibilities
- eBooks
- ePrint outs (Map direction)
- Digital Photo Frame
- Replace Portable DVD Player
- Replace netbook
- skype phone
- Portable Internet Browser
- Product presentation in exec room / coffee shop
- Keynote speaker/teleprompter
- larger screen for video camera/ on location editing
- Music player
- Instant ON can replace laptop - check email
- Multi touch - for artist/painters/ white boarding
- Travel kit - replacement for laptop
Sunday, January 10, 2010
perl JSON API http
- sudo perl -MCPAN -e 'install JSON'
- sudo perl -MCPAN -e 'install JSON::XS'
- sudo perl -MCPAN -e 'install WWW::Mechanize'
#!/usr/bin/perl -w
use strict;
use JSON;
use LWP::Simple;
fetch_json_page("http://www.crunchbase.com/v/1/company/yousendit.js");
sub fetch_json_page
{
my ($json_url) = @_;
eval{
my $content = get($json_url);
my $json = new JSON;
# these are some nice json options to relax restrictions a bit:
my $json_text = $json->decode($content);
print $json_text->{phone_number} . "\n";
};
# catch crashes:
if($@){
print "[[JSON ERROR]] JSON parser crashed! $@\n";
}
}
Tuesday, January 05, 2010
mysql backup
MySql data file copy is a valid process for MyISAM engine!!
- Making Backups by Copying Table Files
- Making Delimited-Text File Backups
- Making Backups with mysqldump or mysqlhotcopy
- Making Incremental Backups by Enabling the Binary Log
- Making Backups Using Replication Slaves
- Recovering Corrupt Tables
- Making Backups Using a File System Snapshot