Sacred: A tool To Help You Configure, Organize, Log

Sacred

Every experiment is sacred

Every experiment is great

If an experiment is wasted

God gets quite irate

Sacred is a tool to help you configure, organize, log and reproduce experiments. It is designed to do all the tedious overhead work that you need to do around your actual experiment in order to:

• keep track of all the parameters of your experiment
• easily run your experiment for different settings
• save configurations for individual runs in a database
• reproduce your results

Sacred achieves this through the following main mechanisms:

• Config Scopes A very convenient way of the local variables in a function to define the parameters your experiment uses.
• Config Injection: You can access all parameters of your configuration from every function. They are automatically injected by name.
• Command-line interface: You get a powerful command-line interface for each experiment that you can use to change parameters and run different variants.
• Observers: Sacred provides Observers that log all kinds of information about your experiment, its dependencies, the configuration you used, the machine it is run on, and of course the result. These can be saved to a MongoDB, for easy access later.
• Automatic seeding helps controlling the randomness in your experiments, such that the results remain reproducible.

Example

from numpy.random import permutation
from sklearn import svm, datasets





C = 1.0
gamma = 0.7



iris = datasets.load_iris()
perm = permutation(iris.target.size)
iris.data = iris.data[perm]
iris.target = iris.target[perm]
clf = svm.SVC(C=C, kernel='rbf',
        gamma=gamma)
clf.fit(iris.data[:90],
        iris.target[:90])
print(clf.score(iris.data[90:],
                iris.target[90:]))

from numpy.random import permutation
from sklearn import svm, datasets
from sacred import Experiment
ex = Experiment('iris_rbf_svm')

@ex.config
def cfg():
  C = 1.0
  gamma = 0.7

@ex.automain
def run(C, gamma):
  iris = datasets.load_iris()
  per = permutation(iris.target.size)
  iris.data = iris.data[per]
  iris.target = iris.target[per]
  clf = svm.SVC(C=C, kernel='rbf',
          gamma=gamma)
  clf.fit(iris.data[:90],
          iris.target[:90])
  return clf.score(iris.data[90:],
                   iris.target[90:])

Documentation

The documentation is hosted at ReadTheDocs.

Installing

You can directly install it from the Python Package Index with pip:

pip install sacred

Or if you want to do it manually you can checkout the current version from git and install it yourself:

git clone https://github.com/IDSIA/sacred.git

cd sacred

python setup.py install

You might want to also install the numpy and the pymongo packages. They are optional dependencies but they offer some cool features:

pip install numpy pymongo

Tests

The tests for sacred use the pytest package. You can execute them by running pytest in the sacred directory like this:

pytest

There is also a config file for tox so you can automatically run the tests for various python versions like this:

tox

Update pytest version

If you update or change the pytest version, the following files need to be changed:

• dev-requirements.txt
• tox.ini
• test/test_utils.py
• setup.py

Contributing

If you find a bug, have a feature request or want to discuss something general you are welcome to open an issue. If you have a specific question related to the usage of sacred, please ask a question on StackOverflow under the python-sacred tag. We value documentation a lot. If you find something that should be included in the documentation please document it or let us know whats missing. If you are using Sacred in one of your projects and want to share your code with others, put your repo in the Projects using Sacred <docs/projects_using_sacred.rst>_ list. Pull requests are highly welcome!

Frontends

At this point there are three frontends to the database entries created by sacred (that I'm aware of). They are developed externally as separate projects.

Omniboard

Omniboard is a web dashboard that helps in visualizing the experiments and metrics / logs collected by sacred. Omniboard is written with React, Node.js, Express and Bootstrap.

Incense

Incense is a Python library to retrieve runs stored in a MongoDB and interactively display metrics and artifacts in Jupyter notebooks.

Sacredboard

Sacredboard is a web-based dashboard interface to the sacred runs stored in a MongoDB.

Neptune

Neptune is a metadata store for MLOps, built for teams that run a lot of experiments. It gives you a single place to log, store, display, organize, compare, and query all your model-building metadata via API available for both Python and R programming languages:

In order to log your sacred experiments to Neptune, all you need to do is add an observer:

from neptune.new.integrations.sacred import NeptuneObserver
ex.observers.append(NeptuneObserver(api_token='<YOUR_API_TOKEN>',
                                    project='<YOUR_WORKSPACE/YOUR_PROJECT>'))

For more info, check the Neptune + Sacred integration guide.

SacredBrowser

SacredBrowser is a PyQt4 application to browse the MongoDB entries created by sacred experiments. Features include custom queries, sorting of the results, access to the stored source-code, and many more. No installation is required and it can connect to a local database or over the network.

Prophet

Prophet is an early prototype of a webinterface to the MongoDB entries created by sacred experiments, that is discontinued. It requires you to run RestHeart to access the database.

Related Projects

Sumatra

Sumatra is a tool for managing and tracking projects based on numerical

simulation and/or analysis, with the aim of supporting reproducible research.

It can be thought of as an automated electronic lab notebook for

computational projects.

Sumatra takes a different approach by providing commandline tools to initialize a project and then run arbitrary code (not just python). It tracks information about all runs in a SQL database and even provides a nice browser tool. It integrates less tightly with the code to be run, which makes it easily applicable to non-python experiments. But that also means it requires more setup for each experiment and configuration needs to be done using files. Use this project if you need to run non-python experiments, or are ok with the additional setup/configuration overhead.

Future Gadget Laboratory

FGLab is a machine learning dashboard, designed to make prototyping

experiments easier. Experiment details and results are sent to a database,

which allows analytics to be performed after their completion. The server

is FGLab, and the clients are FGMachines.

Similar to Sumatra, FGLab is an external tool that can keep track of runs from any program. Projects are configured via a JSON schema and the program needs to accept these configurations via command-line options. FGLab also takes the role of a basic scheduler by distributing runs over several machines.

Download Details:

Author: IDSIA
Source Code: https://github.com/IDSIA/sacred 
License: MIT license

#machinelearning #python #infrastructure #mongodb 

What is GEEK

Buddha Community

Background Fetch for React Native Apps

react-native-background-fetch

Background Fetch is a very simple plugin which attempts to awaken an app in the background about every 15 minutes, providing a short period of background running-time. This plugin will execute your provided callbackFn whenever a background-fetch event occurs.

There is no way to increase the rate which a fetch-event occurs and this plugin sets the rate to the most frequent possible — you will never receive an event faster than 15 minutes. The operating-system will automatically throttle the rate the background-fetch events occur based upon usage patterns. Eg: if user hasn't turned on their phone for a long period of time, fetch events will occur less frequently or if an iOS user disables background refresh they may not happen at all.

:new: Background Fetch now provides a scheduleTask method for scheduling arbitrary "one-shot" or periodic tasks.

iOS

• There is no way to increase the rate which a fetch-event occurs and this plugin sets the rate to the most frequent possible — you will never receive an event faster than 15 minutes. The operating-system will automatically throttle the rate the background-fetch events occur based upon usage patterns. Eg: if user hasn't turned on their phone for a long period of time, fetch events will occur less frequently.
• scheduleTask seems only to fire when the device is plugged into power.
• ⚠️ When your app is terminated, iOS no longer fires events — There is no such thing as stopOnTerminate: false for iOS.
• iOS can take days before Apple's machine-learning algorithm settles in and begins regularly firing events. Do not sit staring at your logs waiting for an event to fire. If your simulated events work, that's all you need to know that everything is correctly configured.
• If the user doesn't open your iOS app for long periods of time, iOS will stop firing events.

Android

• The Android plugin provides a HeadlessJS implementation allowing you to continue handling events even after app-termination (see @config enableHeadless)

Installing the plugin

⚠️ If you have a previous version of react-native-background-fetch < 2.7.0 installed into react-native >= 0.60, you should first unlink your previous version as react-native link is no longer required.

$ react-native unlink react-native-background-fetch

With yarn

$ yarn add react-native-background-fetch

With npm

$ npm install --save react-native-background-fetch

Setup Guides

iOS Setup

react-native >= 0.60

• Auto-linking Setup

Android Setup

react-native >= 0.60

• Auto-linking Setup

Example

ℹ️ This repo contains its own Example App. See /example

import React from 'react';
import {
  SafeAreaView,
  StyleSheet,
  ScrollView,
  View,
  Text,
  FlatList,
  StatusBar,
} from 'react-native';

import {
  Header,
  Colors
} from 'react-native/Libraries/NewAppScreen';

import BackgroundFetch from "react-native-background-fetch";

class App extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      events: []
    };
  }

  componentDidMount() {
    // Initialize BackgroundFetch ONLY ONCE when component mounts.
    this.initBackgroundFetch();
  }

  async initBackgroundFetch() {
    // BackgroundFetch event handler.
    const onEvent = async (taskId) => {
      console.log('[BackgroundFetch] task: ', taskId);
      // Do your background work...
      await this.addEvent(taskId);
      // IMPORTANT:  You must signal to the OS that your task is complete.
      BackgroundFetch.finish(taskId);
    }

    // Timeout callback is executed when your Task has exceeded its allowed running-time.
    // You must stop what you're doing immediately BackgroundFetch.finish(taskId)
    const onTimeout = async (taskId) => {
      console.warn('[BackgroundFetch] TIMEOUT task: ', taskId);
      BackgroundFetch.finish(taskId);
    }

    // Initialize BackgroundFetch only once when component mounts.
    let status = await BackgroundFetch.configure({minimumFetchInterval: 15}, onEvent, onTimeout);

    console.log('[BackgroundFetch] configure status: ', status);
  }

  // Add a BackgroundFetch event to <FlatList>
  addEvent(taskId) {
    // Simulate a possibly long-running asynchronous task with a Promise.
    return new Promise((resolve, reject) => {
      this.setState(state => ({
        events: [...state.events, {
          taskId: taskId,
          timestamp: (new Date()).toString()
        }]
      }));
      resolve();
    });
  }

  render() {
    return (
      <>
        <StatusBar barStyle="dark-content" />
        <SafeAreaView>
          <ScrollView
            contentInsetAdjustmentBehavior="automatic"
            style={styles.scrollView}>
            <Header />

            <View style={styles.body}>
              <View style={styles.sectionContainer}>
                <Text style={styles.sectionTitle}>BackgroundFetch Demo</Text>
              </View>
            </View>
          </ScrollView>
          <View style={styles.sectionContainer}>
            <FlatList
              data={this.state.events}
              renderItem={({item}) => (<Text>[{item.taskId}]: {item.timestamp}</Text>)}
              keyExtractor={item => item.timestamp}
            />
          </View>
        </SafeAreaView>
      </>
    );
  }
}

const styles = StyleSheet.create({
  scrollView: {
    backgroundColor: Colors.lighter,
  },
  body: {
    backgroundColor: Colors.white,
  },
  sectionContainer: {
    marginTop: 32,
    paddingHorizontal: 24,
  },
  sectionTitle: {
    fontSize: 24,
    fontWeight: '600',
    color: Colors.black,
  },
  sectionDescription: {
    marginTop: 8,
    fontSize: 18,
    fontWeight: '400',
    color: Colors.dark,
  },
});

export default App;

Executing Custom Tasks

In addition to the default background-fetch task defined by BackgroundFetch.configure, you may also execute your own arbitrary "oneshot" or periodic tasks (iOS requires additional Setup Instructions). However, all events will be fired into the Callback provided to BackgroundFetch#configure:

⚠️ iOS:

• scheduleTask on iOS seems only to run when the device is plugged into power.
• scheduleTask on iOS are designed for low-priority tasks, such as purging cache files — they tend to be unreliable for mission-critical tasks. scheduleTask will never run as frequently as you want.
• The default fetch event is much more reliable and fires far more often.
• scheduleTask on iOS stop when the user terminates the app. There is no such thing as stopOnTerminate: false for iOS.

// Step 1:  Configure BackgroundFetch as usual.
let status = await BackgroundFetch.configure({
  minimumFetchInterval: 15
}, async (taskId) => {  // <-- Event callback
  // This is the fetch-event callback.
  console.log("[BackgroundFetch] taskId: ", taskId);

  // Use a switch statement to route task-handling.
  switch (taskId) {
    case 'com.foo.customtask':
      print("Received custom task");
      break;
    default:
      print("Default fetch task");
  }
  // Finish, providing received taskId.
  BackgroundFetch.finish(taskId);
}, async (taskId) => {  // <-- Task timeout callback
  // This task has exceeded its allowed running-time.
  // You must stop what you're doing and immediately .finish(taskId)
  BackgroundFetch.finish(taskId);
});

// Step 2:  Schedule a custom "oneshot" task "com.foo.customtask" to execute 5000ms from now.
BackgroundFetch.scheduleTask({
  taskId: "com.foo.customtask",
  forceAlarmManager: true,
  delay: 5000  // <-- milliseconds
});

API Documentation

Config

Common Options

@param {Integer} minimumFetchInterval [15]

The minimum interval in minutes to execute background fetch events. Defaults to 15 minutes. Note: Background-fetch events will never occur at a frequency higher than every 15 minutes. Apple uses a secret algorithm to adjust the frequency of fetch events, presumably based upon usage patterns of the app. Fetch events can occur less often than your configured minimumFetchInterval.

@param {Integer} delay (milliseconds)

ℹ️ Valid only for BackgroundFetch.scheduleTask. The minimum number of milliseconds in future that task should execute.

@param {Boolean} periodic [false]

ℹ️ Valid only for BackgroundFetch.scheduleTask. Defaults to false. Set true to execute the task repeatedly. When false, the task will execute just once.

Android Options

@config {Boolean} stopOnTerminate [true]

Set false to continue background-fetch events after user terminates the app. Default to true.

@config {Boolean} startOnBoot [false]

Set true to initiate background-fetch events when the device is rebooted. Defaults to false.

❗ NOTE: startOnBoot requires stopOnTerminate: false.

@config {Boolean} forceAlarmManager [false]

By default, the plugin will use Android's JobScheduler when possible. The JobScheduler API prioritizes for battery-life, throttling task-execution based upon device usage and battery level.

Configuring forceAlarmManager: true will bypass JobScheduler to use Android's older AlarmManager API, resulting in more accurate task-execution at the cost of higher battery usage.

let status = await BackgroundFetch.configure({
  minimumFetchInterval: 15,
  forceAlarmManager: true
}, async (taskId) => {  // <-- Event callback
  console.log("[BackgroundFetch] taskId: ", taskId);
  BackgroundFetch.finish(taskId);
}, async (taskId) => {  // <-- Task timeout callback
  // This task has exceeded its allowed running-time.
  // You must stop what you're doing and immediately .finish(taskId)
  BackgroundFetch.finish(taskId);
});
.
.
.
// And with with #scheduleTask
BackgroundFetch.scheduleTask({
  taskId: 'com.foo.customtask',
  delay: 5000,       // milliseconds
  forceAlarmManager: true,
  periodic: false
});

@config {Boolean} enableHeadless [false]

Set true to enable React Native's Headless JS mechanism, for handling fetch events after app termination.

• 📂 index.js (MUST BE IN index.js):

import BackgroundFetch from "react-native-background-fetch";

let MyHeadlessTask = async (event) => {
  // Get task id from event {}:
  let taskId = event.taskId;
  let isTimeout = event.timeout;  // <-- true when your background-time has expired.
  if (isTimeout) {
    // This task has exceeded its allowed running-time.
    // You must stop what you're doing immediately finish(taskId)
    console.log('[BackgroundFetch] Headless TIMEOUT:', taskId);
    BackgroundFetch.finish(taskId);
    return;
  }
  console.log('[BackgroundFetch HeadlessTask] start: ', taskId);

  // Perform an example HTTP request.
  // Important:  await asychronous tasks when using HeadlessJS.
  let response = await fetch('https://reactnative.dev/movies.json');
  let responseJson = await response.json();
  console.log('[BackgroundFetch HeadlessTask] response: ', responseJson);

  // Required:  Signal to native code that your task is complete.
  // If you don't do this, your app could be terminated and/or assigned
  // battery-blame for consuming too much time in background.
  BackgroundFetch.finish(taskId);
}

// Register your BackgroundFetch HeadlessTask
BackgroundFetch.registerHeadlessTask(MyHeadlessTask);

@config {integer} requiredNetworkType [BackgroundFetch.NETWORK_TYPE_NONE]

Set basic description of the kind of network your job requires.

If your job doesn't need a network connection, you don't need to use this option as the default value is BackgroundFetch.NETWORK_TYPE_NONE.

@config {Boolean} requiresBatteryNotLow [false]

Specify that to run this job, the device's battery level must not be low.

This defaults to false. If true, the job will only run when the battery level is not low, which is generally the point where the user is given a "low battery" warning.

@config {Boolean} requiresStorageNotLow [false]

Specify that to run this job, the device's available storage must not be low.

This defaults to false. If true, the job will only run when the device is not in a low storage state, which is generally the point where the user is given a "low storage" warning.

@config {Boolean} requiresCharging [false]

Specify that to run this job, the device must be charging (or be a non-battery-powered device connected to permanent power, such as Android TV devices). This defaults to false.

@config {Boolean} requiresDeviceIdle [false]

When set true, ensure that this job will not run if the device is in active use.

The default state is false: that is, the for the job to be runnable even when someone is interacting with the device.

This state is a loose definition provided by the system. In general, it means that the device is not currently being used interactively, and has not been in use for some time. As such, it is a good time to perform resource heavy jobs. Bear in mind that battery usage will still be attributed to your application, and shown to the user in battery stats.

Methods

Debugging

iOS

🆕 BGTaskScheduler API for iOS 13+

• ⚠️ At the time of writing, the new task simulator does not yet work in Simulator; Only real devices.
• See Apple docs Starting and Terminating Tasks During Development
• After running your app in XCode, Click the [||] button to initiate a Breakpoint.
• In the console (lldb), paste the following command (Note: use cursor up/down keys to cycle through previously run commands):

e -l objc -- (void)[[BGTaskScheduler sharedScheduler] _simulateLaunchForTaskWithIdentifier:@"com.transistorsoft.fetch"]

• Click the [ > ] button to continue. The task will execute and the Callback function provided to BackgroundFetch.configure will receive the event.

Simulating task-timeout events

• Only the new BGTaskScheduler api supports simulated task-timeout events. To simulate a task-timeout, your fetchCallback must not call BackgroundFetch.finish(taskId):

let status = await BackgroundFetch.configure({
  minimumFetchInterval: 15
}, async (taskId) => {  // <-- Event callback.
  // This is the task callback.
  console.log("[BackgroundFetch] taskId", taskId);
  //BackgroundFetch.finish(taskId); // <-- Disable .finish(taskId) when simulating an iOS task timeout
}, async (taskId) => {  // <-- Event timeout callback
  // This task has exceeded its allowed running-time.
  // You must stop what you're doing and immediately .finish(taskId)
  print("[BackgroundFetch] TIMEOUT taskId:", taskId);
  BackgroundFetch.finish(taskId);
});

• Now simulate an iOS task timeout as follows, in the same manner as simulating an event above:

e -l objc -- (void)[[BGTaskScheduler sharedScheduler] _simulateExpirationForTaskWithIdentifier:@"com.transistorsoft.fetch"]

Old BackgroundFetch API

• Simulate background fetch events in XCode using Debug->Simulate Background Fetch
• iOS can take some hours or even days to start a consistently scheduling background-fetch events since iOS schedules fetch events based upon the user's patterns of activity. If Simulate Background Fetch works, your can be sure that everything is working fine. You just need to wait.

Android

• Observe plugin logs in $ adb logcat:

$ adb logcat *:S ReactNative:V ReactNativeJS:V TSBackgroundFetch:V

• Simulate a background-fetch event on a device (insert <your.application.id>) (only works for sdk 21+:

$ adb shell cmd jobscheduler run -f <your.application.id> 999

• For devices with sdk <21, simulate a "Headless JS" event with (insert <your.application.id>)

$ adb shell am broadcast -a <your.application.id>.event.BACKGROUND_FETCH

Download Details:
Author: transistorsoft
Source Code: https://github.com/transistorsoft/react-native-background-fetch
License: MIT license

#react  #reactnative  #mobileapp  #javascript 

[CSF] LogViewer: A New Tool for Monitoring Logs

This article is a project presentation of a viewer for log files.

The project is located on GitHub: https://github.com/sevdokimov/log-viewer

Introduction

There are many tools in the world for analysis logs, but most of my colleagues used the simple text editor or “less” command in the terminal. Log analysis tools can be divided into two groups:

1. Applications working on the local machine. They load log files from remote servers using SFTP or SSH.
2. Log aggregators. A log aggregator is a server-based application that collects logs from other applications and stores them to an index. The index allows quick navigation and search.

The main disadvantage of #1 is the time of downloading logs from a remote machine. If the log weighs about 1G, it’s not usable to download it.

Log aggregator is the right solution for serious production environments, but they require additional resources for storing index and additional configuration to collect logs. In some cases, using a log aggregator is overkill.

I got an idea of how to make a log viewer that has some advantages of log aggregators, but actually, it’s a pure viewer. It doesn’t require additional storage for an index, doesn’t download log files to the local machine, but allows viewing logs on remote servers with nice features like filtering, search, merging events from several log files to one view.

The idea is to run a tiny Web UI on a server that provides access to log files located on the server. LogViewer doesn’t load an entire file to the memory. It loads only the part that the user is watching. This approach allows displaying huge log files without significant memory consumption. If we need monitoring logs on more than one node, LogViewer must be run on all nodes. Each LogViewer instance can connect to other instances and request data located on remote nodes. So each LogViewer can show events from the entire cluster merged into one view by date.

It’s important to make the tool as easy to use as possible. That’s why LogViewer can detect log format automatically, there is no required configuration, and log representation is close to a text editor representation.

#spring boot #log analytics #debugging tools #log viewer #a new tool for monitoring logs

How To Create Tabs in Less Than 12 Minutes Using HTML CSS

In this video, We have created a Tab design in HTML and CSS without using JavaScript. I have also provided HTML and CSS code on my website, you can visit my website by clicking given link. 

Subscribe: https://www.youtube.com/@CodingLabYT/featured 

Source Code :

HTML :

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="UTF-8">
    <!--<title> CSS Vertical Tabs </title>-->
    <link rel="stylesheet" href="style.css">
    <!-- Fontawesome CDN Link -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css"/>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
   </head>
<body>
  <div class="container">
    <div class="topic">CSS Vertical Tabs.</div>
    <div class="content">
      <input type="radio" name="slider" checked id="home">
      <input type="radio" name="slider" id="blog">
      <input type="radio" name="slider" id="help">
      <input type="radio" name="slider" id="code">
      <input type="radio" name="slider" id="about">
      <div class="list">
        <label for="home" class="home">
        <i class="fas fa-home"></i>
        <span class="title">Home</span>
      </label>
      <label for="blog" class="blog">
        <span class="icon"><i class="fas fa-blog"></i></span>
        <span class="title">Blog</span>
      </label>
      <label for="help" class="help">
        <span class="icon"><i class="far fa-envelope"></i></span>
        <span class="title">Help</span>
      </label>
      <label for="code" class="code">
        <span class="icon"><i class="fas fa-code"></i></span>
        <span class="title">Code</span>
      </label>
      <label for="about" class="about">
        <span class="icon"><i class="far fa-user"></i></span>
        <span class="title">About</span>
      </label>
      <div class="slider"></div>
    </div>
      <div class="text-content">
        <div class="home text">
          <div class="title">Home Content</div>
          <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quasi excepturi ducimus sequi dignissimos expedita tempore omnis quos cum, possimus, aspernatur esse nihil commodi est maiores dolorum rem iusto atque, beatae voluptas sit eligendi architecto dolorem temporibus. Non magnam ipsam, voluptas quasi nam dicta ut. Ad corrupti aliquid obcaecati alias, nemo veritatis porro nisi eius sequi dignissimos ea repellendus quibusdam minima ipsum animi quae, libero quisquam a! Laudantium iste est sapiente, ullam itaque odio iure laborum voluptatem quaerat tempore doloremque quam modi, atque minima enim saepe! Dolorem rerum minima incidunt, officia!</p>
        </div>
        <div class="blog text">
          <div class="title">Blog Content</div>
          <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Alias tempora, unde reprehenderit incidunt excepturi blanditiis ullam dignissimos provident quam? Fugit, enim! Architecto ad officiis dignissimos ex quae iusto amet pariatur, ea eius aut velit, tempora magnam hic autem maiores unde corrupti tenetur delectus! Voluptatum praesentium labore consectetur ea qui illum illo distinctio, sunt, ipsam rerum optio quibusdam cum a? Aut facilis non fuga molestiae voluptatem omnis reprehenderit, dignissimos commodi repellat sapiente natus ipsam, ipsa distinctio. Ducimus repudiandae fuga aliquid, numquam.</p>
        </div>
        <div class="help text">
          <div class="title">Help Content</div>
          <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Maiores error neque, officia excepturi dolores quis dolor, architecto iusto deleniti a soluta nostrum. Fuga reiciendis beatae, dicta voluptatem, vitae eligendi maxime accusamus. Amet totam aut odio velit cumque autem neque sequi provident mollitia, nisi sunt maiores facilis debitis in officiis asperiores saepe quo soluta laudantium ad non quisquam! Repellendus culpa necessitatibus aliquam quod mollitia perspiciatis ducimus doloribus perferendis autem, omnis, impedit, veniam qui dolorem? Ipsam nihil assumenda, sit ratione blanditiis eius aliquam libero iusto, dolorum aut perferendis modi laboriosam sint dolor.</p>
        </div>
        <div class="code text">
          <div class="title">Code Content</div>
          <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Tempore magnam vitae inventore blanditiis nam tenetur voluptates doloribus error atque reprehenderit, necessitatibus minima incidunt a eius corrupti placeat, quasi similique deserunt, harum? Quia ut impedit ab earum expedita soluta repellat perferendis hic tempora inventore, accusantium porro consequuntur quisquam et assumenda distinctio dignissimos doloremque enim nemo delectus deserunt! Ullam perspiciatis quae aliquid animi quam amet deleniti, at dolorum tenetur, tempore laborum.</p>
        </div>
        <div class="about text">
          <div class="title">About Content</div>
          <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Necessitatibus incidunt possimus quas ad, sit nam veniam illo ullam sapiente, aspernatur fugiat atque. Laboriosam libero voluptatum molestiae veniam earum quisquam, laudantium aperiam, eligendi dicta animi maxime sunt non nisi, ex, ipsa! Soluta ex, quibusdam voluptatem distinctio asperiores recusandae veritatis optio dolorem illo nesciunt quos ullam, dicta numquam ipsam cumque sed. Blanditiis omnis placeat, enim sit dicta eligendi voluptatibus laborum consectetur repudiandae tempora numquam molestiae rerum mollitia nemo. Velit perspiciatis, nesciunt, quo illo quas error debitis molestiae et sapiente neque tempore natus?</p>
        </div>
      </div>
    </div>
  </div>

</body>
</html>

CSS :

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}
body{
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #dad3f8;
}
::selection{
  background: #6d50e2;
  color: #fff;
}
.container{
  max-width: 950px;
  width: 100%;
  padding: 40px 50px  40px  40px;
  background: #fff;
  margin: 0 20px;
  border-radius: 12px;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}
.container .topic{
  font-size: 30px;
  font-weight: 500;
  margin-bottom: 20px;
}
.content{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.content .list{
  display: flex;
  flex-direction: column;
  width: 20%;
  margin-right: 50px;
  position: relative;
}
.content .list label{
  height: 60px;
  font-size: 22px;
  font-weight: 500;
  line-height: 60px;
  cursor: pointer;
  padding-left: 25px;
  transition: all 0.5s ease;
  color: #333;
  z-index: 12;
}
#home:checked ~ .list label.home,
#blog:checked ~ .list label.blog,
#help:checked ~ .list label.help,
#code:checked ~ .list label.code,
#about:checked ~ .list label.about{
  color: #fff;
}
.content .list label:hover{
  color: #6d50e2;
}
.content .slider{
  position: absolute;
  left: 0;
  top: 0;
  height: 60px;
  width: 100%;
  border-radius: 12px;
  background: #6d50e2;
  transition: all 0.4s ease;
}
#home:checked ~ .list .slider{
  top: 0;
}
#blog:checked ~ .list .slider{
  top: 60px;
}
#help:checked ~ .list .slider{
  top: 120px;
}
#code:checked ~ .list .slider{
  top: 180px;
}
#about:checked ~ .list .slider{
  top: 240px;
}
.content .text-content{
  width: 80%;
  height: 100%;
}
.content .text{
  display: none;
}
.content .text .title{
  font-size: 25px;
  margin-bottom: 10px;
  font-weight: 500;
}
.content .text p{
  text-align: justify;
}
.content .text-content .home{
  display: block;
}
#home:checked ~ .text-content .home,
#blog:checked ~ .text-content .blog,
#help:checked ~ .text-content .help,
#code:checked ~ .text-content .code,
#about:checked ~ .text-content .about{
  display: block;
}
#blog:checked ~ .text-content .home,
#help:checked ~ .text-content .home,
#code:checked ~ .text-content .home,
#about:checked ~ .text-content .home{
  display: none;
}
.content input{
  display: none;
}

Download Code Files

#javascript #html #css

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50+ Useful DevOps Tools

The article comprises both very well established tools for those who are new to the DevOps methodology.

What Is DevOps?

The DevOps methodology, a software and team management approach defined by the portmanteau of Development and Operations, was first coined in 2009 and has since become a buzzword concept in the IT field.

DevOps has come to mean many things to each individual who uses the term as DevOps is not a singularly defined standard, software, or process but more of a culture. Gartner defines DevOps as:

“DevOps represents a change in IT culture, focusing on rapid IT service delivery through the adoption of agile, lean practices in the context of a system-oriented approach. DevOps emphasizes people (and culture), and seeks to improve collaboration between operations and development teams. DevOps implementations utilize technology — especially automation tools that can leverage an increasingly programmable and dynamic infrastructure from a life cycle perspective.”

As you can see from the above definition, DevOps is a multi-faceted approach to the Software Development Life Cycle (SDLC), but its main underlying strength is how it leverages technology and software to streamline this process. So with the right approach to DevOps, notably adopting its philosophies of co-operation and implementing the right tools, your business can increase deployment frequency by a factor of 30 and lead times by a factor of 8000 over traditional methods, according to a CapGemini survey.

The Right Tools for the Job

This list is designed to be as comprehensive as possible. The article comprises both very well established tools for those who are new to the DevOps methodology and those tools that are more recent releases to the market — either way, there is bound to be a tool on here that can be an asset for you and your business. For those who already live and breathe DevOps, we hope you find something that will assist you in your growing enterprise.

With such a litany of tools to choose from, there is no “right” answer to what tools you should adopt. No single tool will cover all your needs and will be deployed across a variety of development and Operational teams, so let’s break down what you need to consider before choosing what tool might work for you.

• Plan and collaborate: Before you even begin the SDLC, your business needs to have a cohesive idea of what tools they’ll need to implement across your teams. There are even DevOps tools that can assist you with this first crucial step.
• Build: Here you want tools that create identically provisioned environments. The last you need is to hear “But it works for me on my computer”
• Automation: This has quickly become a given in DevOps, but automation will always drastically increase production over manual methods.
• Continuous Integration: Tools need to provide constant and immediate feedback, several times a day but not all integrations are implemented equally, will the tool you select be right for the job?
• Deployment: Deployments need to be kept predictable, smooth, and reliable with minimal risks, automation will also play a big part in this process.

With all that in mind, I hope this selection of tools will aid you as your business continues to expand into the DevOps lifestyle.

Tools Categories List:

Infrastructure As Code

Continuous Integration and Delivery

Development Automation

Usability Testing

Database and Big Data

Monitoring

Testing

Security

Helpful CLI Tools

Development

Visualization

Infrastructure As Code

1. AWS CloudFormation

AWS CloudFormation is an absolute must if you are currently working, or planning to work, in the AWS Cloud. CloudFormation allows you to model your AWS infrastructure and provision all your AWS resources swiftly and easily. All of this is done within a JSON or YAML template file and the service comes with a variety of automation features ensuring your deployments will be predictable, reliable, and manageable.

Link: https://aws.amazon.com/cloudformation/

2. Azure Resource Manager

Azure Resource Manager (ARM) is Microsoft’s answer to an all-encompassing IAC tool. With its ARM templates, described within JSON files, Azure Resource Manager will provision your infrastructure, handle dependencies, and declare multiple resources via a single template.

Link: https://azure.microsoft.com/en-us/features/resource-manager/

3. Google Cloud Deployment Manager

Much like the tools mentioned above, Google Cloud Deployment Manager is Google’s IAC tool for the Google Cloud Platform. This tool utilizes YAML for its config files and JINJA2 or PYTHON for its templates. Some of its notable features are synchronistic deployment and ‘preview’, allowing you an overhead view of changes before they are committed.

Link: https://cloud.google.com/deployment-manager/

4. Terraform

Terraform is brought to you by HashiCorp, the makers of Vault and Nomad. Terraform is vastly different from the above-mentioned tools in that it is not restricted to a specific cloud environment, this comes with increased benefits for tackling complex distributed applications without being tied to a single platform. And much like Google Cloud Deployment Manager, Terraform also has a preview feature.

Link: https://www.terraform.io/

5. Chef

Chef is an ideal choice for those who favor CI/CD. At its heart, Chef utilizes self-described recipes, templates, and cookbooks; a collection of ready-made templates. Cookbooks allow for consistent configuration even as your infrastructure rapidly scales. All of this is wrapped up in a beautiful Ruby-based DSL pie.

Link: https://www.chef.io/products/chef-infra/

#tools #devops #devops 2020 #tech tools #tool selection #tool comparison