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Drinks. Learn how to make our favourite bevvies, or read up on our wine reviews.

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What's cool and interesting in the world of high tech

FAMILY FRIENDLY

Looking for ideas for the kids and the family? We've got you covered.

Thursday, 18 December 2014

Is It Down Right Now?

Ever wondered if your favourite website was actually down, or whether it's just your connection that is bad?

Check out the Is It Down Right Now? website. It has uptime graphs and a log of response times. So maybe it really is just you.

Wednesday, 17 December 2014

Brower Fingerprinting














So, you think you're completely anonymous on the web, eh? You use incognito mode, you delete your history and cookies, you don't log into any websites whilst you surf. That should be enough to make you invisible. Sadly, no. Well, the guys at the NSA probably think this is great stuff, because you will have an online fingerprint. Where you surf(ed), what browser you use, your screen resolution, etc, etc. Some people had to go and ruin it for the rest of us, so now the tools exist to figure out a unique identity just from some basic system settings.

Check out your uniqueness online here: https://amiunique.org/



All your identity are belong to us...

Tuesday, 16 December 2014

LMGTFY












Let Me Google That For You

By now everyone knows about LMGTFY, but the problem is that it's a little bit on the snarky side.

Pro tip: Add &n=1 to the end of the URL to make it a bit less offensive.

E.g.: http://lmgtfy.com/?q=fluffernutter&n=1


Saturday, 18 October 2014

Some Jokes

Just a few jokes
  • It’s hard to explain puns to kleptomaniacs… because they always take things literally.

  • A Roman walks into a bar and asks for a Martinus…. “You mean a martini?” the bartender asks. The Roman replies, “If I wanted a double, I would have asked for it!”

  • RenĂ© Descartes walks into a bar. Bartender asks if he wants anything. … RenĂ© says, “I think not,” then disappears.

  • Sixteen sodium atoms walk into a bar… followed by Batman.

  • Did you hear about the man who got cooled to absolute zero?… He’s 0K now.

  • Pavlov is sitting at a bar, when all of a sudden the phone rings… Pavlov gasps, “Oh crap, I forgot to feed the dogs.”

  • Mahatma Gandhi, as you know, walked barefoot most of the time, which produced an impressive set of calluses on his feet. He also ate very little, which made him rather frail and, with his odd diet, he suffered from bad breath…. This made him a super calloused fragile mystic hexed by halitosis.

  • How can you tell the difference between a chemist and a plumber? … Ask them to pronounce “unionized.”

  • What’s the difference between an etymologist and an entomologist?… An etymologist knows the difference.

  • The other day my friend was telling me that I didn’t understand what irony meant. … Which is ironic, because we were standing at a bus stop.

  •  There are two types of people in this world:… Those who can extrapolate from incomplete data.

  • There are 10 types of people in this world: Those who know binary and those who don't

  • A photon checks into a hotel and the bellhop asks him if he has any luggage…. The photon replies, “No, I’m traveling light.”

  • Your momma is so mean… she has no standard deviation.

  • I’m thinking about selling my theremin… I haven’t touched it in years.

The author of Windows file copy dialog visits some friends. [xkcd.com]

Caillou's Brownies










Ingredients
  • 1 cup (225g) butter
  • 1 cup (120g) chocolate
  • 1 cup (150g) sugar
  • 1.5 cup (175g) flour
  • 0.5 cup (40g) chopped nuts
Directions
  • Melt butter and chocolate in a saucepan, then remove from heat
  • Add the sugar, eggs, flour, and chopped nuts, stir well
  • Scrape mixture into greased baking pan
  • Bake 20 min at 350F (180C)
  • Remove from oven and let stand for 10 min.

Thursday, 16 October 2014

CIDR Cheat Sheet



































   






Netmask              Netmask (binary)                 CIDR     Notes    
_____________________________________________________________________________
255.255.255.255  11111111.11111111.11111111.11111111  /32  Host (single addr)
255.255.255.254  11111111.11111111.11111111.11111110  /31  Unuseable
255.255.255.252  11111111.11111111.11111111.11111100  /30    2  useable
255.255.255.248  11111111.11111111.11111111.11111000  /29    6  useable
255.255.255.240  11111111.11111111.11111111.11110000  /28   14  useable
255.255.255.224  11111111.11111111.11111111.11100000  /27   30  useable
255.255.255.192  11111111.11111111.11111111.11000000  /26   62  useable
255.255.255.128  11111111.11111111.11111111.10000000  /25  126  useable
255.255.255.0    11111111.11111111.11111111.00000000  /24 "Class C" 254 useable

255.255.254.0    11111111.11111111.11111110.00000000  /23    2  Class C's
255.255.252.0    11111111.11111111.11111100.00000000  /22    4  Class C's
255.255.248.0    11111111.11111111.11111000.00000000  /21    8  Class C's
255.255.240.0    11111111.11111111.11110000.00000000  /20   16  Class C's
255.255.224.0    11111111.11111111.11100000.00000000  /19   32  Class C's
255.255.192.0    11111111.11111111.11000000.00000000  /18   64  Class C's
255.255.128.0    11111111.11111111.10000000.00000000  /17  128  Class C's
255.255.0.0      11111111.11111111.00000000.00000000  /16  "Class B"
     
255.254.0.0      11111111.11111110.00000000.00000000  /15    2  Class B's
255.252.0.0      11111111.11111100.00000000.00000000  /14    4  Class B's
255.248.0.0      11111111.11111000.00000000.00000000  /13    8  Class B's
255.240.0.0      11111111.11110000.00000000.00000000  /12   16  Class B's
255.224.0.0      11111111.11100000.00000000.00000000  /11   32  Class B's
255.192.0.0      11111111.11000000.00000000.00000000  /10   64  Class B's
255.128.0.0      11111111.10000000.00000000.00000000  /9   128  Class B's
255.0.0.0        11111111.00000000.00000000.00000000  /8   "Class A"
  
254.0.0.0        11111110.00000000.00000000.00000000  /7
252.0.0.0        11111100.00000000.00000000.00000000  /6
248.0.0.0        11111000.00000000.00000000.00000000  /5
240.0.0.0        11110000.00000000.00000000.00000000  /4
224.0.0.0        11100000.00000000.00000000.00000000  /3
192.0.0.0        11000000.00000000.00000000.00000000  /2
128.0.0.0        10000000.00000000.00000000.00000000  /1
0.0.0.0          00000000.00000000.00000000.00000000  /0   IP space

                                   Net     Host    Total
Net      Addr                      Addr    Addr    Number
Class   Range      NetMask         Bits    Bits   of hosts
----------------------------------------------------------
A        0-127    255.0.0.0         8      24     16777216   (i.e. 114.0.0.0)
B      128-191    255.255.0.0      16      16        65536   (i.e. 150.0.0.0)
C      192-254    255.255.255.0    24       8          256   (i.e. 199.0.0.0)
D      224-239    (multicast)
E      240-255    (reserved)
F      208-215    255.255.255.240  28       4           16
G      216/8      ARIN - North America
G      217/8      RIPE NCC - Europe
G      218-219/8  APNIC
H      220-221    255.255.255.248  29       3            8   (reserved)
K      222-223    255.255.255.254  31       1            2   (reserved)
(ref: RFC1375 & http://www.iana.org/assignments/ipv4-address-space )
(               http://www.iana.org/numbers.htm                    )
----------------------------------------------------------

The current list of special use prefixes:
 0.0.0.0/8 
 127.0.0.0/8
 192.0.2.0/24
 10.0.0.0/8
 172.16.0.0/12
 192.168.0.0/16
 169.254.0.0/16
 all D/E space
(ref: RFC1918 http://www.rfc-editor.org/rfc/rfc1918.txt   )
(       or     ftp://ftp.isi.edu/in-notes/rfc1918.txt     )
(rfc search:   http://www.rfc-editor.org/rfcsearch.html   )
(              http://www.ietf.org/ietf/1id-abstracts.txt )
(              http://www.ietf.org/shadow.html            )


Martians: (updates at: www.iana.org/assignments/ipv4-address-space )
 no ip source-route
 access-list 100 deny   ip host 0.0.0.0 any
  deny ip 0.0.0.0         0.255.255.255  any log  ! antispoof
  deny ip 0.0.0.0 0.255.255.255  0.0.0.0 255.255.255.255 ! antispoof
  deny ip any             255.255.255.128 0.0.0.127 ! antispoof
  deny ip host            0.0.0.0        any log  ! antispoof
  deny ip host            [router intf]  [router intf] ! antispoof
  deny ip xxx.xxx.xxx.0   0.0.0.255      any log  ! lan area
  deny ip 0/8             0.255.255.255  any log  ! IANA - Reserved
  deny ip 1/8             0.255.255.255  any log  ! IANA - Reserved
  deny ip 2/8             0.255.255.255  any log  ! IANA - Reserved
  deny ip 5/8             0.255.255.255  any log  ! IANA - Reserved
  deny ip 7/8             0.255.255.255  any log  ! IANA - Reserved
  deny ip 10.0.0.0        0.255.255.255  any log  ! IANA - Private Use
  deny ip 23/8            0.255.255.255  any log  ! IANA - Reserved
  deny ip 27/8            0.255.255.255  any log  ! IANA - Reserved
  deny ip 31/8            0.255.255.255  any log  ! IANA - Reserved
  deny ip 36-37/8         0.255.255.255  any log  ! IANA - Reserved
  deny ip 39/8            0.255.255.255  any log  ! IANA - Reserved
  deny ip 41-42/8         0.255.255.255  any log  ! IANA - Reserved
  deny ip 50/8            0.255.255.255  any log  ! IANA - Reserved
  deny ip 58-60/8         0.255.255.255  any log  ! IANA - Reserved
  deny ip 69-79/8         0.255.255.255  any log  ! IANA - Reserved
  deny ip 82-95/8         0.255.255.255  any log  ! IANA - Reserved
  deny ip 96-126/8        0.255.255.255  any log  ! IANA - Reserved
  deny ip 127/8           0.255.255.255  any log  ! IANA - Reserved
  deny ip 169.254.0.0     0.0.255.255    any log  ! link-local network
  deny ip 172.16.0.0      0.15.255.255   any log  ! reserved
  deny ip 192.168.0.0     0.0.255.255    any log  ! reserved
  deny ip 192.0.2.0       0.0.0.255      any log  ! test network
  deny ip 197/8           0.255.255.255  any log  ! IANA - Reserved
  deny ip 220/8           0.255.255.255  any log  ! IANA - Reserved
  deny ip 222-223/8       0.255.255.255  any log  ! IANA - Reserved
  deny ip 224.0.0.0       31.255.255.255 any log  ! multicast
  deny ip 224.0.0.0       15.255.255.255 any log  ! unless MBGP-learned routes
  deny ip 224-239/8       0.255.255.255  any log  ! IANA - Multicast
  deny ip 240-255/8       0.255.255.255  any log  ! IANA - Reserved

filtered source addresses
  0/8                 ! broadcast
  10/8                ! RFC 1918 private
  127/8               ! loopback
  169.254.0/16        ! link local
  172.16.0.0/12       ! RFC 1918 private
  192.0.2.0/24        ! TEST-NET
  192.168.0/16        ! RFC 1918 private
  224.0.0.0/4         ! class D multicast
  240.0.0.0/5         ! class E reserved
  248.0.0.0/5         ! reserved
  255.255.255.255/32  ! broadcast

ARIN administrated blocks: (http://www.arin.net/regserv/IPStats.html)
   24.0.0.0/8 (portions of)
   63.0.0.0/8
   64.0.0.0/8
   65.0.0.0/8
   66.0.0.0/8
  196.0.0.0/8
  198.0.0.0/8
  199.0.0.0/8
  200.0.0.0/8
  204.0.0.0/8
  205.0.0.0/8
  206.0.0.0/8
  207.0.0.0/8
  208.0.0.0/8
  209.0.0.0/8
  216.0.0.0/8
----------------------------------------------------------

well known ports: (rfc1700.txt)
 www.iana.org/assignments/port-numbers

protocol numbers:
 www.iana.org/assignments/protocol-numbers
 www.iana.org/numbers.htm

ICMP(Types/Codes)
 Testing Destination Reachability & Status
  (0/0)  Echo-Reply
  (8/0)  Echo
 Unreachable Destinations
  (3/0)  Network Unreachable
  (3/1)  Host Unreachable
  (3/2)  Protocol Unreachable
  (3/3)  Port Unreachable
  (3/4)  Fragmentaion Needed and DF set (Pkt too big)
  (3/5)  Source Route Failed
  (3/6)  Network Unknown
  (3/7)  Host Unknown
  (3/9)  DOD Net Prohibited
  (3/10) DOD Host Prohibited
  (3/11) Net TOS Unreachable
  (3/12) Host TOS Unreachable
  (3/13) Administratively Prohibited
  (3/14) Host Precedence Unreachable
  (3/15) Precedence Unreachable
 Flow Control
  (4/0)  Source-Quench [RFC 1016]
 Route Change Requests from Gateways
  (5/0)  Redirect Datagrams for the Net
  (5/1)  Redirect Datagrams for the Host
  (5/2)  Redirect Datagrams for the TOS and Net
  (5/3)  Redirect Datagrams for the TOS and Host
 Router
  (6/-)  Alternate-Address
  (9/0)  Router-Advertisement
  (10/0) Router-Solicitation
 Detecting Circular or Excessively Long Routes
  (11/0) Time to Live Count Exceeded
  (11/1) Fragment Reassembly Time Exceeded
 Reporting Incorrect Datagram Headers
  (12/0) Parameter-Problem
  (12/1) Option Missing
  (12/2) No Room for Option
 Clock Synchronization and Transit Time Estimation
  (13/0) Timestamp-Request
  (14/0) Timestamp-Reply
 Obtaining a Network Address (RARP Alternative)
  (15/0) Information-Request
  (16/0) Information-Reply
 Obtaining a Subnet Mask [RFC 950]
  (17/0) Address Mask-Request
  (18/0) Address Mask-Reply
 Other
  (30/0) Traceroute
  (31/0) Conversion-Error
  (32/0) Mobile-Redirect

Ref: [RFC 792] [RFC 896] [RFC 950] [RFC 1016]
  www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_5_3/cofigide/qos.htm#19774



Decimal system Prefix's
              Factor               Exponent  Prefix
---------------------------------------------------
 1 000 000 000 000 000 000 000 000...10^24....yotta
     1 000 000 000 000 000 000 000...10^21....zetta
         1 000 000 000 000 000 000...10^18....exa
             1 000 000 000 000 000...10^15....peta
                 1 000 000 000 000...10^12....tera
                     1 000 000 000...10^9.....giga
                         1 000 000...10^6.....mega
                             1 000...10^3.....kilo
                               100...10^2.....hecto
                                10...10^1.....deka
                               0.1...10^-1....deci
                              0.01...10^-2....centi
                             0.001...10^-3....milli
                         0.000 001...10^-6....micro
                     0.000 000 001...10^-9....nano
                 0.000 000 000 001...10^-12...pico
             0.000 000 000 000 001...10^-15...femto
         0.000 000 000 000 000 001...10^-18...atto
     0.000 000 000 000 000 000 001...10^-21...zepto
 0.000 000 000 000 000 000 000 001...10^-24...yocto
---------------------------------------------------

Convert Fahrenheit <> Celsius:
 Celsius = (Fahrenheit - 32) / 1.8
 Fahrenheit = (Celsius * 1.8) + 32


*stolen from the web, archived here for reference



Apple Pie Smoothie










Ingredients
  • 5 raw almonds
  • 1 red apple
  • 0.5 small frozen banana
  • 1 scoop protein powder or 0.75 cup Greek yoghurt
  • 0.5 cup fat free coconut milk
  • 0.5 tsp ground cinnamon
  • 1 tsp coconut oil
Directions
  • In a blender or food processor, blend the almonds until finely ground
  • Add the rest of the ingredients and blend until desired consistency