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Albert Ifunanya Dominic2d ago · 9 min read

Bastion Host: How to Access Private EC2 Instances Without Exposing Them to the Internet

A bastion host (often called a jump server) is a special, protected server that act as the single secure entry point to reach private servers inside a network. Instead of letting internal servers be r

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Sumti Mehta5d ago · 8 min read

10 Real-World AWS Cloud Engineer Interview Scenarios with Practical Answers

Preparing for an AWS Cloud Engineer interview? Knowing AWS services is important, but real-world interviews often test something more valuable: your ability to troubleshoot problems, make architectura

my-awsbook.hashnode.dev

Paul AdeoyeOct 18 · 13 min read

Bash Scripting and Linux Server Automation

Linux administration often involves repeating the same operations: checking application health, validating configuration files, organizing backups, collecting system information, and preparing routine

paulking.hashnode.dev

Paul AdeoyeOct 18 · 14 min read

Linux Networking, SSH, Logs, and Troubleshooting

A Linux server can be running normally and still be unreachable. An application may be healthy locally but inaccessible from another machine. A domain name may resolve to the wrong address, a service

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Paul AdeoyeOct 18 · 13 min read

Linux Processes, Services, Packages, and System Administration

A Linux server can run dozens or even hundreds of processes at the same time. Web servers, application runtimes, databases, monitoring agents, scheduled jobs, and system components all depend on those

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David RodriguezOct 13 · 6 min read

Looking Beneath Managed Services

Building an AI assistant on AWS was one of the most engaging exercises I’ve done so far, right alongside building scalable infrastructure. I had worked through similar material before, but this time,

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vikas sharmaOct 13 · 7 min read

Building Efficient AI Infrastructure with GPU Cloud Computing

Artificial intelligence and data-intensive software have increased the demand for computing infrastructure capable of handling complex workloads. Machine learning training, neural network inference, c

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Paul AdeoyeOct 6 · 11 min read

Linux Users, Groups, Permissions, and Privilege Management

A Linux server can host multiple applications, services, administrators, and users at the same time. Without a way to control who can access what, a single compromised process or careless command coul

paulking.hashnode.dev

Paul AdeoyeOct 6 · 10 min read

Linux Fundamentals: Working With a Linux Server — Part B

In part A, we established the fundamentals of the Linux environment: what Linux is, how distributions differ, how the shell provides access to the system, and how the filesystem is organized. Knowing

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Jayesh SojitraOct 4 · 4 min read

7 Ways to Cut Your AWS Bill Without Cutting Performance

Cutting AWS costs doesn't have to mean doing less. A meaningful share of real AWS spend is simply paying full price for something that didn't need to cost that much, not genuine capacity you're actual

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Bastion Host: How to Access Private EC2 Instances Without Exposing Them to the Internet

10 Real-World AWS Cloud Engineer Interview Scenarios with Practical Answers

Bash Scripting and Linux Server Automation

Linux Networking, SSH, Logs, and Troubleshooting

Linux Processes, Services, Packages, and System Administration

Looking Beneath Managed Services

Building Efficient AI Infrastructure with GPU Cloud Computing

Linux Users, Groups, Permissions, and Privilege Management

Linux Fundamentals: Working With a Linux Server — Part B

7 Ways to Cut Your AWS Bill Without Cutting Performance