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Create project:

mvn -B archetype:generate \
-DarchetypeGroupId=org.apache.maven.archetypes \
-DgroupId=my.group.id \
-DartifactId=my-sample-project


mvn dependency:tree -Dverbose

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Out of Memory errors:

1. Run `free -h` to get a snapshot of memory usage

Example:

    free -h
                  total        used        free      shared  buff/cache   available
    Mem:           927M        839M         30M        2.8M         57M         36M

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Creating brand new repositories with a branch named "develop":

1. git init
2. copy the .gitignore file from another directory
3. git add .
4. git commit
5. git branch develop
6. git checkout develop
7. git remote add origin … (command comes from bitbucket/github)
8. git push -u origin develop

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Extract files from a jar:
  jar -xf myApp.jar OR an unzip too like Winzip or Winrar

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Start the dashboard

  kubectl proxy (plus optional namespace and context)


Delete everything with a particular label (includes pods, services, replica sets, stateful sets, etc.):

  kubectl delete all -l LABEL_KEY=LABEL_VALUE
  
  Example: kubectl delete all -l app=my-app

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cut everything after the cursor: CTRL+K 
cut everything before the cursor: CTRL+U

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How to change versions with `n`:

Check your current Node version: node --version

Install n: sudo npm install -g n

List the available versions of Node 12: n ls-remote 12

Download the latest: sudo n 12.22.1

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const gulp = require('gulp');
const browserify = require('browserify');
const source = require('vinyl-source-stream');
var browserSync = require('browser-sync').create();

// Browserify basically allows the code to use npm modules
gulp.task('browserify', function() {
    return browserify('js/scripts.js')
        .bundle()
        //Pass desired output filename to vinyl-source-stream

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========================================================================
         ESTABLISH A BASELINE AND TEST THE MASTER BRANCH AS-IS
========================================================================

1. Do a fresh clone of the bitcoin repo and make sure you are on the master branch

2. Set up a watcher for file ownership/permission changes:

    auditctl -w <path to your bitcoin directory>/bitcoin/ -pwarx -k ci