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Cloud Architecting Well-Architected Framework Pillars of well-architected framework Operational Excellence Security Reliablity Performance Efficiency Cost Opt...

AWS Cloud Security Shared Responsibility Model Shared responsibility model changes depending on the AWS services the customer use AWS Security Responsibilities: Security OF the Cloud ...

AWS core services - compute Core services foundation to all solution EC2 Computer Services Overview Computer services overview EC2 Lambda Aut...

Cloud Concepts Overview What is cloud computing Cloud service fully management service via internet Cloud computing on-demand via internet pay ...

Goal: Use line notify to notify you when someone login your servers. Steps: Generate Line Token Config PAM Notifying Code Generate Line Token: Create a line group first, line notify only ...

CI/CD focus on the automation of steps to release application CI: Build Test, code analysis Unit testing Linting Code coverage type testing Feed back quality ...

Readahead: Linux kernel system call that loads a file’s content into page cache. This prefetches the files so when it is subsequently accessed, the content is read from main memory rather then ...

In previous post, I have setup SSL with nginx on CentOS7 from letsencrypt. Please refer: Use Lets Encrypt Certbot to Install Free SSL on CentOS7. By default, the security setting of the SSL rating...

In this post, I am going to configure jenkins server to transfer files to destiny server by ssh. The goal is link up github, jenkins server and destiny server together. The steps would be prog...

What is goaccess? GoAccess is an open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix systems or through your browser. Why goaccess? GoAccess was de...