xfs and lvm snapshots

You have you the following error:


kernel: XFS: Filesystem lvm(58,2) has duplicate UUID - can't mount

Using the following:


mount -o ro,nouuid /dev/vg/lvsnap /mnt/

Thanks too.

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OpenVPN GUI client and Windows Vista

OpenVPN GUI client and Windows Vista from Computer Tech Union.

1) Open your client.ovpn file and add the following two lines to the bottom of the file:
route-method exe
route-delay 2

2) Create a shortcut to your OpenVPN GUI file. Right click the shortcut and click properties.
Under the ‘Shortcut’ tab.
Click ‘advanced’.
Check the box that says ‘Run as administrator’ and
then Click ‘OK’ and ‘OK’ again.

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Radiant CMS Script

Useful script for getting Radiant CMS installed.

I made a couple changes for my setup:

#!/bin/sh
radiant --database sqlite3 $1
cd $1
echo "
production:
  adapter: sqlite3
  database: db/production.sqlite3
test:
  adapter: sqlite3
  database: db/test.sqlite3
development:
  production
" > config/database.yml

svn export http://dev.radiantcms.org/svn/radiant/trunk/extensions/shards vendor/extensions/00_shards
svn export http://svn.seancribbs.com/svn/rails/plugins/extensions/page_attachments vendor/extensions/page_attachments
svn export https://secure.svnrepository.com/s_swanki/open/radiant/extensions/page_meta/tags/v0.1.5 vendor/extensions/page_meta
svn export http://dev.radiantcms.org/svn/radiant/trunk/extensions/reorder/ vendor/extensions/reorder
rake radiant:freeze:edge
vendor/radiant/script/plugin install acts_as_list
rake production db:bootstrap
rake production db:migrate:extensions
rake production radiant:extensions:page_attachments:update
rake production radiant:extensions:reorder:update

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Setting Up A PXE Linux Recovery / Deployment Server using Debian Lenny/Etch

A clear guide for setting up a PXE Linux Recovery / Deployment Server using Debian. Including Debian Installer, DBAN and a couple other useful tools.

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Asterisk Operator Panels

Links to couple operator panels that seem to be much better than FOOP.

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SDHC Cards vs Hard Drive vs SSD

SDHC Cards vs Hard Drive vs SSD

Pros:

  • SDHC cards offer cheap storage without the need to open up your laptop
  • Removable storage so you can take important applications with you
  • Fast SDHC cards have rapid data access times
  • Data transfer rates remain mostly constant

Cons:

  • Your notebook’s built-in card reader might be too slow
  • Slower SDHC cards aren’t really fast enough
  • Even a fast SDHC has slower transfer rates than most hard drives
  • Real SSDs are MUCH faster … and MUCH more expensive

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zfs_nocacheflush

Some numbers on nocacheflush with 2530 Array and ZFS.

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JoikuSpot

JoikuSpot turns an S60 phone into a WiFi hotspot with the phone’s 3G connectivity. Seems like a clever idea.

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MacBook Air 1.6Ghz HDD vs 1.8Ghz SSD Benchmarks

Some SSD numbers for the MacBook Air from Mac Rumors:-

MacBook Air 1.6GHz HDD 1.8GHz SSD
CPU 79.98 99.61
Thread Test 148.81 134.99
Memory Test 140.42 148.00
Quartz Graphics Test 96.89 107.74
Open GL 17.26 18.27
User Interface 105.81 113.53
Disk Test 24.05 47.26
 Sequential 42.21 40.82
    Uncached Write 30.96 MB/s 20.83 MB/s [4K blocks]
    Uncached Write 31.19 MB/s 26.32 MB/s [256K blocks]
    Uncached Read 7.27 MB/s 7.97 MB/s [4K blocks]
    Uncached Read 30.42 MB/s 48.75 MB/s [256K blocks]
 Random 16.81 56.13
    Uncached Write 0.57 MB/s 2.23 MB/sec [4K blocks]
    Uncached Write 18.35 MB/s 16.92 MB/s [256K blocks]
    Uncached Read 0.35 MB/s 7.02 MB/s [4K blocks]
    Uncached Read 13.28 MB/s 48.24 MB/s [256K blocks]

(Larger numbers faster)

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Future of the Digital Book

Watch the first 20 mins or so; clear view of the current state of the word and culture.


Link: sevenload.com

From Alchemist Author Pirates His Own Books.

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