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OpenSSL Tips

Show certificate content

$ openssl x509 -in cert.pem -noout -text | more

Build trustchain

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SVN Tips

Show differences between current version of a file against the head version

$ svn diff filename -r head --diff-cmd meld

Show list of modified files

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Travis & Slack Integration

• Go to the slack website and add a new Travis CI integration.
• Slack will provide a snippet of configuration for your .travis.yml file:

notifications:
  slack: <account>:<token>

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##Install Ruby on Rails

Refer to this tutorial: [Install Rails on Ubuntu]

Create a Rails application

Scaffold a new application

Here’s how to create a project-specific gemset, installing Rails, and creating a new application.

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Docker how-to

Start / Stop the docker service

$ service docker start / stop

Sign in to the Docker Hub

$ docker login

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Git Cheat Sheet

Show the commit history of the local repository

$ git log

Show the content of a given commit

$ git show 

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Linux Notes

Remove unused Kernels and packages in Ubuntu

$ sudo apt-get remove --purge $(dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d')

Show the size of the current directory

$ du -ch | grep total

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Eclipse Tips

Add static imports to the favorite list

To speed up the import of static methods in a Java class we need to populate the Eclipse's "Content Assist, Favorites"

Window > Preferences > Java > Editor > Content Assist > Favorites

In mine, I have the following entries (when adding, use "New Type" and omit the .*):

• org.hamcrest.Matchers.*

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Worksop AngularJS & Spring

Windows Setup

Java 8

Installare la JDK 8 tramite il classico installer scaricabile da Oracle al seguente link: [JDK8]

Gradle

Installare il tool per la build gradle scaricabile dal sequente link: [Gradle]. Verrà scaricato un file .zip contenente i file binari e la documentazione.