Posts

Showing posts with the label open source

Build React Native App (4) - Redux, Jest, and NativeBase

Image
From this blog, typescript feature will be added. There are couple of ways to implement static type checking like; flow from facebook, PropTypes and Typescript. Typescript is well integrated with Visual Studio Code and supports better linter, error messages, and intellisense. Reference site Github Sample Ex4 Currnet version D:\GitRepo\reactnative>npm --version 6.3.0 D:\GitRepo\reactnative>react-native --version react-native-cli: 2.0.1 react-native: n/a - not inside a React Native project directory D:\GitRepo\reactnative>yarn --version 1.9.4 Creating React Native App $ react-native init ex4 If you want to specify the version, add "--version 0.57.3" at the end. Add NativeBase to React Native $ npm install native-base --save ... + native-base@2.8.1 added 71 packages from 42 contributors, removed 50 packages, updated 829 packages and audited 34989 packages in 138.542s found 0 vulnerabilities $ $ yarn yarn install v1.9.4 warning package-lock.json found. You...

Installing Icinga 2.4.1, Graylog 1.2.2, and Cacti 0.8.8 on Ubuntu 14.04

Installing Icinga 2.4.1, Graylog 1.2.2, and Cacti 0.8.8 Date: Dec 7, 2015 Overview Before investing to commercial monitoring software, I decided to use open source product and final choice is Icinga for monitoring, Graylog for log collection, and Cacti for graph. The MySQL is the choice because of the Cacti. The Cacti doesn’t support the Postgresql. Version - Ubuntu: 14.04 - Icinga: 2.4.1 - Icinga Web: 2.1.0 - Graylog Server: 1.2.2 - Graylog web: 1.2.2 - Java: 7.x - MongoDB: 2.6.11 - ElasticSearch: 1.7 - Cacti: 0.8.8 Useful command Checking contents in the package Using dpkg alex@monitoring:~$ sudo dpkg -l icinga2 Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-============-============-================================= ii icinga2 ...