pavankjadda

FYI: Created blog post with more details

How to fix ".gitignore not working" issue?

Sometimes git does not exclude files/folders added .gitignore especially if you had commited them before. Here is how to fix it. I am ignoring node_modules from Angular project as an example

1. Update .gitignore with the folder/file name you want to ignore. You can use anyone of the formats mentioned below (prefer format1)

### Format1  ###
node_modules/

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See Confluent Registry for more information about this

Schema Files:

Customer.avsc

{"namespace": "com.kafkastream.model",
  "type": "record",

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1. Download Elastic Search and unzip it
2. Start Elastic search with the following command and go to URL http://localhost:9200

$ bin/elasticsearch

3. Download LogStash and unzip it
4. Create logstash-elk.conf file on logstash home directory with the following content and change the log file location and index name based on your settings

input {
 file {

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How to add Bootstrap 4.x to Angular Project?

1. Bootstrap 4.x depends on jQuery and popper.js . So, install them first

$ sudo npm install jquery
$ sudo npm install popper.js

2. Install Bootstrap and Font-Awesome dependencies to project using following command

npm install bootstrap font-awesome 

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How to select Spring boot profile from maven?

1. Define following profiles in pom.xml

<profiles>
   <profile>
        <id>dev</id>
        <properties>
            <activatedProperties>dev</activatedProperties>
        </properties>
        <activation>

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How to create Spring Boot app as Ubuntu service?

1. Create service named employee using vi command

   sudo vim /etc/systemd/system/employee.service
   

2. Copy paste the following content into the file and make sure to change the ExecStart command arguments

   [Unit]
   Description=Employee Spring Boot application service
   
   

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1. Open Terminal on local machine

2. Paste the text below, substituting in your email address.

  ssh-keygen -t rsa -b 4096 -C "[email protected]"

3. Copy the key to remote server using the following command. Enter the password when prompted

  ssh-copy-id username@server_ip_address

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Clean uninstall MySql from MacOS

1. ps -ax | grep mysql
2. stop and kill any MySQL processes
3. brew remove mysql
4. brew cleanup
5. sudo rm /usr/local/mysql
6. sudo rm -rf /usr/local/var/mysql
7. sudo rm -rf /usr/local/mysql*
8. sudo rm ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist

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version: '3'
services:
  hazelcast1:
    image: hazelcast/hazelcast
    environment:
      - 'JAVA_OPTS=-Dhazelcast.local.publicAddress=192.168.1.157:5701 -Dhazelcast.mancenter.url=http://mancenter:8090/mancenter -Dgroup.name=hz-compose -Dgroup.password=s3crEt'
    ports:
      - '5701:5701'
    links:
      - 'management-center:mancenter'

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package com.pj.hazelcastdemo.config;

import com.hazelcast.config.Config;
import com.hazelcast.config.NetworkConfig;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class HazelCastConfig
{