On-premises vs. Cloud-based Services and Infrastructure

5 minute read

Published: February 18, 2021

On-premises vs. Cloud-based Services and Infrastructure

Concurrency & Parallelism

less than 1 minute read

Published: February 20, 2021

Concurrency and Parallelism

Amazon Services All

less than 1 minute read

Published: February 24, 2021

Amazon Services All

DevOPs

3 minute read

Published: February 24, 2021

DevOPs

Deploy Environment

• Deploy Scale
  • AWS
  • GCP
  • Azure
  • Local
• Differnet Deploy Region
  • Asia
  • US
  • Europe The Deploy configuration status is such complex e.g. DNS settings
• Dev Testing Environments Production - Staging - QA - DEV

Linux CMD

less than 1 minute read

Published: February 24, 2021

Linux CMD

System Performance

• nmon
• iostat
• sar
• vmstat

  Network

• nmap / tcpdump / ping / mtr / traceroute / dig
• airmon / airodump / dig / iptables / netstat

  Process Monitoring

• ps
• top
• htop
• atop
• isof

  Text Manipultion Tools

• awk / sed / grep / sort / uniq / cat / cut
• echo / fmt / tr / nl / egrep / fgrep / wc

  Others

• strace
• dtrace

Terraform

less than 1 minute read

Published: February 24, 2021

Terraform

Mail Server transition to Google Workspace

less than 1 minute read

Published: March 03, 2021

Amazon EC2

less than 1 minute read

Published: March 05, 2021

Amazon EC2 Hardware requirement —–

NLB

less than 1 minute read

Published: March 05, 2021

LoadBalacing usage

Slack Integration Atlassian

less than 1 minute read

Published: May 29, 2021

LoadBalacing usage

Nginx Docker Reverse Proxy

less than 1 minute read

Published: May 30, 2021

Nginx Docker Reverse Proxy

JIRA Automation

less than 1 minute read

Published: July 07, 2021

JIRA Automation