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Yosh
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2021/06/10

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  • [AWS] Access Advisor feature on IAM console

    Introduction In this article, let me explain how to use Access Advisor feature on IAM console. By using this function, you can identify unused user easily. How to use Access Advisor Firstly, access IAM console. IAM dashboard will be displayed. And click Users tab, for example. User list will be shown as below. And click […]

  • [AWS] S3 Lifecycle rule

    Purpose In this article, let me explain how to set S3 life cycle policy. This function is very useful if you want to delete unnecessary old files in your S3 bucket. Set Lifecycle Rule for S3 bucket Firstly, open S3 console. And, click bucket name that you want to set Lifecycle Rule. Click Management tab […]

  • [AWS] ECS ~Part1: Cluster Creation~

    Purpose In this series, let me explain how to setup ECS resources and deploy a sample image. ECS is managed container service and you can implement it easily. If you are a beginner for container, I recommend you to use ECS first. Refer to below URL if you want to know about ECS in detail. […]

  • [AWS] Amazon Aurora Setup

    Purpose In this article, let me explain how to setup Amazon Aurora resource. Aurora is fully managed Database service by Amazon RDS and has high performance, fault-tolerant function. I recommend you to implement it if you develop AWS environment. Reference: https://aws.amazon.com/rds/aurora/?aurora-whats-new.sort-by=item.additionalFields.postDateTime&aurora-whats-new.sort-order=desc Advantages/Disadvantages for Aurora Advantages 1. Compatibility with MySQL and PostgreSQL 2. High throughput – […]

  • [AWS] Twitter Analysis ~Part12: Notification by Amazon SNS triggered by Lambda~

    Purpose In part 12 section, I would like to explain how to execute notification triggered by Lambda. Let me show you the scope of this section as below. Prerequisite 1. S3 bucket creation https://eeengineer.com/aws-twitter-analysis-part%ef%bc%92-create-twitter-account-for-developer/ 2. Data Catalog Creation by AWS Glue and define Athena https://eeengineer.com/aws-twitter-analysis-part9-execute-queries-by-applying-amazon-athena/ 3. Create Amazon SNS topic and subscription [AWS] Twitter Analysis […]

  • [AWS] Twitter Analysis ~Part11: Notification by Amazon SNS~

    Purpose In part 11 and 12 sections, I would like to explain how to receive notification and tweet contents by Amazon SNS when negative tweet is generated. Firstly, define Amazon SNS topic and subscription to send notification. Let me show you the scope of this section as below. Define Amazon SNS topic and subscription Firstly, open […]

  • [AWS] Twitter Analysis ~Part10: Analyze twitter data by Amazon QuickSight~

    Purpose In part 10 section, I would like to explain how to execute queries to S3 bucket which stores analyzed tweet data by utilizing Amazon Athena. Let me show you the scope of this section as below. Prerequisite 1. Store data in the S3 bucket. [AWS] Twitter Analysis ~Part6: Create EC2 instance by applying Cloud9~ […]

  • [AWS] Twitter Analysis ~Part9: Execute queries by applying Amazon Athena~

    Purpose In part 9 section, I would like to explain how to execute queries to S3 bucket which stores analyzed tweet data by utilizing Amazon Athena. Let me show you the scope of this section as below. Prerequisite 1. Store data in the S3 bucket. [AWS] Twitter Analysis ~Part6: Create EC2 instance by applying Cloud9~ […]

  • [AWS] Twitter Analysis ~Part8: Develop Lambda function to send data to Amazon Comprehend~

    Purpose In part 8 section, I would like to explain how to develop Lambda function to send data to Amazon Comprehend. Amazon Comprehend analyzes tweet and judge if it contains Positive/Negative/Neutral contents. Let me show you the scope of this section as below. Prerequisite 1. Store data in the S3 bucket. [AWS] Twitter Analysis ~Part6: […]

  • [AWS] Twitter Analysis ~Part7: Create a node.js application in EC2 instance~

    Purpose In part 7 section, I would like to explain how to create a node.js application in Cloud9 EC2 environment. Let me show you the scope of this section as below. Prerequisite 1. Create EC2 instance by Cloud9. [AWS] Twitter Analysis ~Part6: Create EC2 instance by applying Cloud9~ Purpose In part 6 section, I would […]

  • [AWS] Twitter Analysis ~Part6: Create EC2 instance by applying Cloud9~

    Purpose In part 6 section, I would like to explain how to create EC2 instance by applying Cloud9. Cloud9 is an integrated development environment. You can write codes easily by using Cloud9. Prerequisite 1. VPC and IAM role creation https://eeengineer.com/aws-twitter-analysis-part5-create-vpc-resource-by-cloudformation/ EC2 creation by Cloud9 Open Cloud9 console, first. And, click Create environment button. You can […]

  • [AWS] Twitter Analysis ~Part5: Create VPC Resource by CloudFormation~

    Purpose In part 5 section, I would like to explain how to VPC resource by CloudFormation. EC2 resources will be deployed in the VPC resource. VPC Creation by CloudFormation Firstly, open CloudFormation console. Click Create stack button. CloudFormation template is provided AWS site. Select Template is ready and Upload a template file. And upload template file […]

  • [AWS] Twitter Analysis ~Part4: Apply Secrets Manager~

    Purpose In part 4 section, I would like to explain how to apply Secrets Manager. It makes easier to manage your Key information for Twitter API access. Although it is not mandatory setting, I recommend you to implement this function. Let me show you the scope of this section as below. Prerequisite 1. Register Twitter […]

  • [AWS] Twitter Analysis ~Part3: Create Amazon Kinesis Data Firehose~

    Purpose In part 3 section, I would like to introduce how to create Amazon Kinesis Data Firehose. Twitter data can be loaded to your environment by applying Amazon Kinesis Data Firehose. Prerequisite 1. Create S3 bucket Please create raw, entities and sentiment bucket by referring to my previous article or other document. https://eeengineer.com/aws-how-to-create-s3-bucket/ 2. Create […]

  • [AWS] Twitter Analysis ~Part2: Create Twitter account for Developer~

    Purpose In this article, I would like to introduce how to create Amazon Kinesis Data Firehose. By using Kinesis Data Firehose, Twitter data can be loaded to your environment. Prerequisite Before creating Amazon Kinesis Data Firehose, S3 bucket needs to be prepared. Please create raw, entities and sentiment bucket by referring to my previous article […]

  • [AWS] Twitter Analysis ~Part1: Create Twitter account for Developer~

    Purpose In this series, I would like to introduce how to create twitter analysis and notification function by utilizing AWS services. Let me explain how to develop it as below architecture. Create Twitter account for Developer Firstly, please create twitter account for developer. By using this account, you can execute twitter API by your application. […]

  • [AWS] Create Elastic Container Service (ECS)

    Purpose In this article, let me explain how to create Elastic Container Service (ECS). You can manage microservices by applying ECS. How to create Elastic Container Service (ECS) Firstly, choose Elastic Container Service (ECS) in the AWS management service. And, Click “Get started” button. You can see Getting Started page as below. And click “Edit” […]

  • Command list of GCP

    Purpose In this article, let me describe useful command for GCP. You can pass GCP ACE exam by memorizing below commands. Command list of GCP Display subnet list in AAA region and BBB region. > gcloud compute networks subnet list –filter=”region:(AAA BBB)” Create Kubernetes cluster in AAA region with auto-scaling setting. And, node number setting […]

  • [AWS] Modern Application Development ~Part3: How to Deploy your App to S3~

    Purpose In the previous article, I’ve explained how to setup procedure of AppSync and React App. Finally, let me introduce how to deploy your application to S3. How to deploy your application to S3 Firstly, I’ve developed an application by Microsoft Visual Studio Code. In the terminal of Visual Studio, let’s execute amplify hosting add […]

  • [AWS] Modern Application Development ~Part2: How to set up React App~

    Pre-requisite 1. Setup AppSync https://eeengineer.com/aws-modern-application-development-part1-how-to-set-up-aws-appsync/ 2. Install aws-amplify cli https://docs.amplify.aws/cli/start/install/ Purpose In the previous article, I’ve explained setup procedure of AppSync. In this time, let me introduce how to set up React App. How to set up React App It is easy to create an React App by executing npx command. Your React App is […]

  • [AWS] Modern Application Development ~Part1: How to set up AWS AppSync~

    Purpose Let’s try to develop an application by applying AWS services. You can join modern application development by utilizing AppSync and Amplify with React & GraphQL. Firstly, I would like to introduce AWS AppSync in this article. AppSync simplifies process of application development by providing useful APIs and communication with backend systems. How to set […]

  • [AWS] How to set alert for budgets

    Purpose I think you may have experiences that the cost becomes expensive unexpectedly. To avoid this kind of concern, let’s set an alarm for your budget. How to set alert for budgets Firstly, open billing console in the AWS management console. You can see your current billing in the Spend Summary section. To set alarm, […]

  • [AWS] How to delete every objects in S3 bucket

    Purpose In this article, let me explain how to delete every objects in S3 bucket. Before deleting S3 bucket, you need to delete every objects in the bucket. But if you have many objects in the S3 bucket, it will take time to delete them by the management console. In this case, CLI deletion is […]

  • [GCP] How to set up BigQuery

    Purpose BigQuery is Enterprise Data Warehouse and it can process SQL query very rapidly. In this article, let me explain how to set up BigQuery. How to set up BigQuery Firstly, click BigQuery in the GCP management console. You can see explorer of BigQuery. Let’s set dataset by clicking Create dataset button. Input Dataset ID […]

  • [GCP] How to set up Compute Engine

    Purpose In this article, let me explain how to set up Compute Engine. How to set up Compute Engine by GUI Firstly, open GCP console and select Compute Engine > VM instances. Click CREATE INSTANCE. Input name as you like. Change machine series and machine type as you like. Select boot disk type. And, change […]

  • [GCP] How to develop LAMP environment

    Purpose In this article, let me explain how to develop LAMP environment on GCP by utilizing Cloud Marketplace. You can develop the environment very easily and quickly by applying Cloud Marketplace resources. How to develop LAMP environment Firstly, open GCP console and select Marketplace. Input “LAMP” and Enter. Select LAMP Certified by Bitnami. Click LAUNCH […]

  • [AWS] How to deploy java application by Elastic Beanstalk

    Purpose In this article, let me explain how to deploy java application by Elastic Beanstalk. You can release your application easily and quickly by applying Elastic Beanstalk service. How to deploy java application by Elastic Beanstalk Firstly, access Elastic Beanstalk console. Click Create Application. Input Application name as you like. Input Platform, Platform branch and […]

  • [AWS] How to allow External User to access S3 bucket

    Purpose In this article, let me explain how to allow external users to access your S3 bucket. You can share your data with external user easily with high security. Prerequisite 1. Create IAM User https://eeengineer.com/create-iam-user-for-s3-bucket-access/ How to create S3 bucket that can be accessed from external user Firstly, access S3 console. Click Create bucket. Input […]

  • Create IAM user for S3 bucket access

    Purpose In this article, let me explain how to create IAM user for your S3 bucket access. You can share your data with external user easily with high security by creating IAM user. How to create IAM policy for S3 access Firstly, access IAM console from Management Console. Select Policies. Click Create Policy. In the […]

  • [JP1] Function Overview

    What is JP1? JP1 is operation management product provided by Hitachi Corporation and it supports stable running of IT system. Since it is leading product in Japan, it will be useful for you to understand JP1’s overview function. Function Overview Intelligence – Integrated Management – IT Service Management – IT Operation Automation Integrated Management – […]

  • [Java] How to solve “The import javax.servlet cannot be resolved” error.

    How to solve “The import javax.servlet cannot be resolved” error You may encounter “The import javax.servlet cannot be resolved” error when you create dynamic java project as below. Let me explain how to solve this error in this article. The cause of this error is that build path setting for Apache Tomcat is not set […]

  • [AWS] How to allow EC2 instance to access S3 bucket

    Purpose In this article, let me explain how to access your S3 bucket from EC2 instance. You need to assign a role to your EC2 instance for S3 access. Prerequisite 1. Create S3 bucket [AWS] How to create S3 bucketHow to create S3 bucket Firstly, start S3 console from AWS management console. Next, click Create […]

  • [AWS] How to create S3 bucket

    How to create S3 bucket Firstly, start S3 console from AWS management console. Next, click Create bucket. And, input Bucket name as you like and select AWS Region. And, change public access setting if you need. I selected default setting, Block all public access. Next, select disable or enable Bucket Versioning. And, if you want […]

  • [Java] How to install Tomcat in Eclipse

    Pre-requisite 1. Install Eclipse. [Java] Setup EclipseInstall Eclipse Eclipse is an integrated development environment (IDE) used in computer programming. For your java dev...eeengineer.com2021.06.25 How to install Tomcat Firstly, I created Dynamic web project in eclipse. Input Project name as you like and click “Finish”. Dynamic web project is created successfully. And, click “Server” tab in […]

  • How to change instance type of EC2

    How to change instance type of EC2 You can change instance type of EC2 instance very easily. Adjust EC2 instance type by considering your system performance. Firstly click EC2 console from AWS management console. Then, select change target EC2 instance. To change instance type, the target EC2 instance needs to be stopped. Next, select target […]

  • [Linux] Basic Knowledge of Network

    Basic Knowledge of Network Even though If you are a server engineer, you need to have basic knowledge of Network. Let’s check important point of network in this article. CentOS7 base command is described hear. TCP (Transmission Control Protocol) TCP is protocol to send/receive data by using IP (internet Protocol) scheme. If data deficit or […]

  • [Java] Setup Eclipse

    Install Eclipse Eclipse is an integrated development environment (IDE) used in computer programming. For your java development project, you had better use one of IDE to increase your productivity. Let me explain how to install Eclipse for Windows user. Firstly, access web site of Eclipse. https://www.eclipse.org/downloads/ And, click “Download x86_64”. And, click “Download” button, execute […]

  • Linux ~Group and User~

    Manage group and user 1. useradd [User name] Create new user. -c [Comment] : input comment -g [Group name] : designate primary group -d [Home directory] : designate home directory -u [User ID number] : designate user ID number. 2. usermod [User name] Modify user account. -c [Comment] : input comment -g [Group […]

  • [AWS] Set up EC2 Instance

    Pre-requisite Set up VPC in advance. Please refer to it if you have not created it. https://eeengineer.com/aws-vpc-and-subnet-creation/ Set up EC2 Instance I would like to explain how to create EC2 instance in the VPC you’ve created. Click EC2 button. Then, move the cursor to “Launch Instance”, and click “Launch Instance” appeared above. Next, select AMI. […]

  • [AWS] Set up AutoScaling ~Set up Auto Scaling Groups~

    Pre-Condition 1. Create Launch Templates [AWS] Set up AutoScaling ~Set up Launch Templates~ Pre-Condition 1. Create AMI image of your EC2 instance. Please refer to below page. Set up Launch Templates T...eeengineer.com2021.06.20 2. Create VPC and Subnet [AWS] VPC and Subnet CreationVPC and Subnet Creation In this session, Create VPC and Subnet in advance. Please […]

  • [AWS] Set up AutoScaling ~Set up Launch Templates~

    Pre-Condition 1. Create AMI image of your EC2 instance. Please refer to below page. [AWS] Create AMI ImageCreate AMI image of EC2 instance To duplicate your EC2 instance, you need to create AMI image. Let me explain how to c...eeengineer.com2021.06.18 Set up Launch Templates To enable EC2 AutoScaling, Launch configuration needs to be prepared in […]

  • [AWS] VPC and Subnet Creation

    VPC and Subnet Creation In this session, Create VPC and Subnet in advance. Please access AWS management console and click VPC. Next, click “Launch VPC Wizard”. Then, click “Select” button. You can see setting screen of VPC. If you want to designate private IP address, edit IPv4 CIDR block. In my environment, I didn’t change […]

  • [AWS] Create AMI Image

    Create AMI image of EC2 instance To duplicate your EC2 instance, you need to create AMI image. Let me explain how to create AMI image. Firstly, access EC2 console. And click “Instances” button. Select replication target EC2 instance, and click “Create Image” button as below. Input Image name and Image description and click “Create Image”. […]

  • Linux ~Basic Command~

    Basic Linux Command 1. ls [Option] [File] Get information of file name and directory name -a : Output all files including hidden files started by dot(.) -l : Output Long format -t : Sort files by last updated time -r : Output with reverse order. Files started by dot(.) is hidden file and system […]

  • Tips for Linux ~Part1: What is Linux?~

    First of all I am IT infrastructure engineer and develop/operate Linux machine. In this series, I would like to share basic knowledge for linux. Let me start from what is Linux. What is Linux Kernel and Userland Kernel and Userland are basic software of Linux.Kernel Kernel is core part of operating system and it has […]

  • [AWS] How to create RDS ~Part7 of Redundant Website~

    First of all In my previous article, I’ve explained how to create SSL Certificate and associate with your domain. In this article, let me explain how to create Redundant Database by AWS RDS. System Requirement Web site can be accessed on the Internet with FQDN Redundant server configuration for incident recovery Manual switchover at the […]

  • [AWS] How to develop Redundant Web System ~Part6: SSL Certificate~

    First of all In my previous article, how to associate your domain with AWS Route 53. In this article, I would like to explain how to create SSL Certificate associated with your domain for free by utilizing Certification Manager of AWS. You can create safe website very easily. System Requirement Web site can be accessed […]

  • [AWS] How to develop Redundant Web System ~Part5: Route53~

    First of all In my previous article, I’ve explained how to get free domain by Freenom service. Next, let me introduce how to associate this domain with AWS Route 53 in this article. System Requirement Web site can be accessed on the Internet with FQDN Redundant server configuration for incident recovery Manual switchover at the […]

  • [AWS] How to develop Redundant Web System ~Part4: Get Domain~

    First of all In my previous article, I’ve explained how to create ELB. However, it is not convenient for users to access your website by DNS name of ELB. In this article and next article, let me explain how to access your website by Domain name. Firstly, please get domain if you do not have […]

  • [Domain] How to get free Domain

    First of all Let me introduce how to get free domain by using no-ip service. It is useful if you want to do testing with domain for free. Check it out !! Get free domain Firstly, access no-ip web site by below link. https://www.noip.com/ And input unique domain name and click “Sign Up” button. Then, […]

  • [Azure] Migration from AppGW v1 to v2 ~Part2: Migration~

    First of all In my last article, I’ve created AppGW v1. In this article, let’s create AppGW v2 by migration tool provided by Microsoft. AppGW v2 resource will be created as new resource. AppGWv1 will be remained as it is. Therefore, you need to change access route from users by changing DNS record. Migration from […]

  • [AWS] How to check resource existence

    First of all I guess you have experiences that you forgot to delete unnecessary resources and paid to AWS unfortunately. To avoid this kind of mistakes, I recommend you to check the resource existence by using “Tag Editor” How to user Tag Editor In the AWS management console, search “Resource Groups & Tag Editor” and […]

  • [Azure] Migration from AppGW v1 to v2 ~Part1: AppGW v1 creation~

    First of all Application Gateway version1 abbreviated to AppGW v1 is implemented to my system. However, I faced a trouble that online transaction is delayed. What is the cause of it? It was caused by CPU usage soring of AppGW because of AppGW maintenance and it cannot be avoided as long as you use AppGW […]

  • [AWS] How to develop Redundant Web System ~Part3: Create ELB~

    First of all In my previous article, I’ve explained how to create subnet and EC2 instance for redundant configuration. In this article, I want to introduce how to create ELB. System Requirement Web site can be accessed on the Internet with FQDN Redundant server configuration for incident recovery Manual switchover at the time of an […]

  • [AWS] How to develop Redundant Web System ~Part1: Subnet Creation~

    First of all In this article, let me explain how to develop redundant web site by AWS. Redundant configuration is one of basic architecture. If you want to be a solution architect, you should understand it in detail. In part1, let me explain subnet creation. System Requirement Web site can be accessed on the Internet […]

  • [Book] Introduction of “How Will You Measure Your Life?” by Clayton M. Christensen

    First of all In this article, I would like to summarize important points of “Introduction of “How Will You Measure Your Life?” written by Clayton M. Christensen. And let me write down what I feel by reading this book. Trigger to read this book When I was twenty ages, I read “The Innovator’s Dilemma” and […]

  • [AWS] How to develop Redundant Web System ~Part2: Duplicate EC2 instance~

    First of all In my previous article, I’ve explained how to create subnet for redundant configuration. In this article, I want to introduce how to replicate EC2 instance. System Requirement Web site can be accessed on the Internet with FQDN Redundant server configuration for incident recovery Manual switchover at the time of an incident. Can […]

  • [AWS] How to develop Temporary Web System ~Part6: Install MySQL~

    First of all In my last article, I’ve introduced how to install nginx and PHP to EC2 instance. In this article, let’s install MySQL. System Requirement Web site can be accessed on the Internet with FQDN Basic LAMP environment (Linux, Nginx, PHP, MySQL) No redundant configuration and backup System Configuration System Configuration diagram is as […]

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