I am very happy with my Wireless Internet at work.
Tuesday, July 21, 2015
Tuesday, July 14, 2015
Logstash | Collect, Enrich & Transport Data
Logstash is a tool for managing events and logs. You can use it to collect
logs, parse them, and store them for later use (like, for searching). If you
store them in Elasticsearch,
you can view and analyze them with Kibana.
It is fully free and fully open source. The license is Apache 2.0, meaning you are pretty much free to use it however you want in whatever way.
For more info, see https://www.elastic.co/products/logstash
https://www.elastic.co/products/logstash
https://github.com/elastic/logstash
http://hemingway.softwarelivre.org/fisl16/high/41e/sala_41e-high-201507101700.ogv
http://jasonwilder.com/blog/2013/11/19/fluentd-vs-logstash/
It is fully free and fully open source. The license is Apache 2.0, meaning you are pretty much free to use it however you want in whatever way.
For more info, see https://www.elastic.co/products/logstash
https://www.elastic.co/products/logstash
https://github.com/elastic/logstash
http://hemingway.softwarelivre.org/fisl16/high/41e/sala_41e-high-201507101700.ogv
http://jasonwilder.com/blog/2013/11/19/fluentd-vs-logstash/
Monday, July 13, 2015
Telefonica Smart Steps
Smart Steps is an Insights solution that uses anonymous and aggregated mobile data to help organizations make better business decisions based on actual behaviour.
http://dynamicinsights.telefonica.com/blog/488/smart-steps-2
http://dynamicinsights.telefonica.com/blog/488/smart-steps-2
Saturday, July 11, 2015
Saturday, July 04, 2015
Dunbar's number x Our Facebook "Friends/connections"
How can we have so many "Friends" on Facebook?
Are they really our "friends" or just connections like we have in LinkedIn, twitter or others social networks?
Read the text below and think about it.
Dunbar's number
Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships. These are relationships in which an individual knows who each person is and how each person relates to every other person.[1][2][3][4][5][6] This number was first proposed in the 1990s by British anthropologist Robin Dunbar, who found a correlation between primate brain size and average social group size.[7] By using the average human brain size and extrapolating from the results of primates, he proposed that humans can only comfortably maintain 150 stable relationships.[8] Proponents assert that numbers larger than this generally require more restrictive rules, laws, and enforced norms to maintain a stable, cohesive group. It has been proposed to lie between 100 and 250, with a commonly used value of 150.[9][10] Dunbar's number states the number of people one knows and keeps social contact with, and it does not include the number of people known personally with a ceased social relationship, nor people just generally known with a lack of persistent social relationship, a number which might be much higher and likely depends on long-term memory size.
Dunbar theorized that "this limit is a direct function of relative neocortex size, and that this in turn limits group size ... the limit imposed by neocortical processing capacity is simply on the number of individuals with whom a stable inter-personal relationship can be maintained." On the periphery, the number also includes past colleagues, such as high school friends, with whom a person would want to reacquaint themself if they met again.[11]
Source:
https://en.wikipedia.org/wiki/Dunbar's_number
Are they really our "friends" or just connections like we have in LinkedIn, twitter or others social networks?
Read the text below and think about it.
Dunbar's number
Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships. These are relationships in which an individual knows who each person is and how each person relates to every other person.[1][2][3][4][5][6] This number was first proposed in the 1990s by British anthropologist Robin Dunbar, who found a correlation between primate brain size and average social group size.[7] By using the average human brain size and extrapolating from the results of primates, he proposed that humans can only comfortably maintain 150 stable relationships.[8] Proponents assert that numbers larger than this generally require more restrictive rules, laws, and enforced norms to maintain a stable, cohesive group. It has been proposed to lie between 100 and 250, with a commonly used value of 150.[9][10] Dunbar's number states the number of people one knows and keeps social contact with, and it does not include the number of people known personally with a ceased social relationship, nor people just generally known with a lack of persistent social relationship, a number which might be much higher and likely depends on long-term memory size.
Dunbar theorized that "this limit is a direct function of relative neocortex size, and that this in turn limits group size ... the limit imposed by neocortical processing capacity is simply on the number of individuals with whom a stable inter-personal relationship can be maintained." On the periphery, the number also includes past colleagues, such as high school friends, with whom a person would want to reacquaint themself if they met again.[11]
Source:
https://en.wikipedia.org/wiki/Dunbar's_number
Tuesday, June 30, 2015
Saturday, June 27, 2015
How to install GitBook using NPM
Visit the website: https://github.com/GitbookIO/gitbook
Type on your terminal:
npm install gitbook-cli -g
output:
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ npm install gitbook-cli -g
/usr/local/bin/gitbook -> /usr/local/lib/node_modules/gitbook-cli/bin/gitbook.js
gitbook-cli@0.3.4 /usr/local/lib/node_modules/gitbook-cli
├── bash-color@0.0.3
├── user-home@1.1.1
├── commander@2.6.0
├── tmp@0.0.23
├── q@1.0.1
├── semver@2.2.1
├── lodash@2.4.1
├── npmi@0.1.1 (semver@4.3.6)
├── optimist@0.6.1 (wordwrap@0.0.3, minimist@0.0.10)
├── npm@2.4.1
└── fs-extra@0.15.0 (jsonfile@2.2.1, graceful-fs@3.0.8, rimraf@2.4.0)
Type on your terminal:
npm install gitbook-cli -g
output:
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ npm install gitbook-cli -g
/usr/local/bin/gitbook -> /usr/local/lib/node_modules/gitbook-cli/bin/gitbook.js
gitbook-cli@0.3.4 /usr/local/lib/node_modules/gitbook-cli
├── bash-color@0.0.3
├── user-home@1.1.1
├── commander@2.6.0
├── tmp@0.0.23
├── q@1.0.1
├── semver@2.2.1
├── lodash@2.4.1
├── npmi@0.1.1 (semver@4.3.6)
├── optimist@0.6.1 (wordwrap@0.0.3, minimist@0.0.10)
├── npm@2.4.1
└── fs-extra@0.15.0 (jsonfile@2.2.1, graceful-fs@3.0.8, rimraf@2.4.0)
How to Install Node.js and NPM on a Mac
Visit the website: http://blog.teamtreehouse.com/install-node-js-npm-mac
Type on your terminal:
brew install node
output:
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ brew install node
==> Downloading https://homebrew.bintray.com/bottles/node-0.12.5.yosemite.bottle.tar.gz
######################################################################## 100.0%
==> Pouring node-0.12.5.yosemite.bottle.tar.gz
==> Caveats
Bash completion has been installed to:
/usr/local/etc/bash_completion.d
==> Summary
🍺 /usr/local/Cellar/node/0.12.5: 2681 files, 29M
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ node -v
v0.12.5
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ npm -v
2.11.2
Type on your terminal:
brew install node
output:
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ brew install node
==> Downloading https://homebrew.bintray.com/bottles/node-0.12.5.yosemite.bottle.tar.gz
######################################################################## 100.0%
==> Pouring node-0.12.5.yosemite.bottle.tar.gz
==> Caveats
Bash completion has been installed to:
/usr/local/etc/bash_completion.d
==> Summary
🍺 /usr/local/Cellar/node/0.12.5: 2681 files, 29M
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ node -v
v0.12.5
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ npm -v
2.11.2
How to Install Homebrew on Mac OS
Read the website http://brew.sh
Type on your terminal:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
output:
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
==> This script will install:
/usr/local/bin/brew
/usr/local/Library/...
/usr/local/share/man/man1/brew.1
==> The following directories will be made group writable:
/usr/local/.
/usr/local/include
/usr/local/lib
/usr/local/lib/pkgconfig
/usr/local/share
/usr/local/share/man
/usr/local/share/man/man1
==> The following directories will have their group set to admin:
/usr/local/.
/usr/local/include
/usr/local/lib
/usr/local/lib/pkgconfig
/usr/local/share
/usr/local/share/man
/usr/local/share/man/man1
Press RETURN to continue or any other key to abort
==> /usr/bin/sudo /bin/chmod g+rwx /usr/local/. /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig /usr/local/share /usr/local/share/man /usr/local/share/man/man1
Password:
==> /usr/bin/sudo /usr/bin/chgrp admin /usr/local/. /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig /usr/local/share /usr/local/share/man /usr/local/share/man/man1
==> /usr/bin/sudo /bin/mkdir /Library/Caches/Homebrew
==> /usr/bin/sudo /bin/chmod g+rwx /Library/Caches/Homebrew
==> Downloading and installing Homebrew...
remote: Counting objects: 3641, done.
remote: Compressing objects: 100% (3474/3474), done.
remote: Total 3641 (delta 36), reused 726 (delta 26), pack-reused 0
Receiving objects: 100% (3641/3641), 2.94 MiB | 0 bytes/s, done.
Resolving deltas: 100% (36/36), done.
From https://github.com/Homebrew/homebrew
* [new branch] master -> origin/master
HEAD is now at a1ad7ee dynamips: update homepage
==> Installation successful!
==> Next steps
Run `brew help` to get started
Type on your terminal:
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
output:
Caios-MacBook-Pro:thedatasciencenotebook caiomsouza$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
==> This script will install:
/usr/local/bin/brew
/usr/local/Library/...
/usr/local/share/man/man1/brew.1
==> The following directories will be made group writable:
/usr/local/.
/usr/local/include
/usr/local/lib
/usr/local/lib/pkgconfig
/usr/local/share
/usr/local/share/man
/usr/local/share/man/man1
==> The following directories will have their group set to admin:
/usr/local/.
/usr/local/include
/usr/local/lib
/usr/local/lib/pkgconfig
/usr/local/share
/usr/local/share/man
/usr/local/share/man/man1
Press RETURN to continue or any other key to abort
==> /usr/bin/sudo /bin/chmod g+rwx /usr/local/. /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig /usr/local/share /usr/local/share/man /usr/local/share/man/man1
Password:
==> /usr/bin/sudo /usr/bin/chgrp admin /usr/local/. /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig /usr/local/share /usr/local/share/man /usr/local/share/man/man1
==> /usr/bin/sudo /bin/mkdir /Library/Caches/Homebrew
==> /usr/bin/sudo /bin/chmod g+rwx /Library/Caches/Homebrew
==> Downloading and installing Homebrew...
remote: Counting objects: 3641, done.
remote: Compressing objects: 100% (3474/3474), done.
remote: Total 3641 (delta 36), reused 726 (delta 26), pack-reused 0
Receiving objects: 100% (3641/3641), 2.94 MiB | 0 bytes/s, done.
Resolving deltas: 100% (36/36), done.
From https://github.com/Homebrew/homebrew
* [new branch] master -> origin/master
HEAD is now at a1ad7ee dynamips: update homepage
==> Installation successful!
==> Next steps
Run `brew help` to get started
Friday, June 26, 2015
Atom 1.0 - A hackable text editor for the 21st Century
Atom is a text editor that's modern, approachable, yet hackable to the core—a tool you can customize to do anything but also use productively without ever touching a config file.
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