Journey of an IT Architect
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Networking Basics 1 of 3 – Layer 1 through Layer 3
ReadWhat layer model works the best? Back in university my textbook was based on OSI 7-layer model. It is rigorously defined and often used in…
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Clean up Git repository
ReadA BitBucket repo has a hard limit of 2GB in size, and soft limit of 1GB. This is not expandable as per Bitbucket and contributors will start receiving…
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Storage Nitty-Gritty 4 of 5 – Backup and Archive Solutions
ReadBusiness Continuity Information Availability IA = MTBF/(MTBF+MTTR), where* MTBF (Mean Time Between Failure) – average time available for a system or component to perform its…
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Personal Vim cheatsheet
ReadThis is my personal cheatsheet as intermediate Vim user so I skipped the ones that I consider basic. All the commands listed are used in…
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Cryptography basics 2 of 2
ReadMy previous post outlines several core concepts around cryptography, such as asymmetric key encryption, digital certificate, the encoding formats and relevant file extensions. In this…
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AWS Certified DevOps Engineer Exam Tips
ReadThe last 30 days have been exhausting for me. I studied hard on the new AWS Certified DevOps Engineer exam and thank goodness I passed…