Cybersecurity Engineer Tutorials
Cybersecurity Engineer tutorials guide you from security fundamentals to penetration testing, ethical hacking, and digital forensics. Topics cover network security, vulnerability analysis, attack techniques, and incident investigation. Free labs and guided examples help you build practical security skills in an interactive environment.
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Store Portfolio Assets in S3
Create private S3 storage, upload portfolio covers and a project list, retrieve a copy and confirm its bytes match the original.
AWSLinux
Recover an Overwritten Portfolio Asset
Recover an overwritten portfolio cover with S3 versions, and confirm the actual website displays the correct image again.
AWSShellLinux
Publish Your Personal Homepage
Edit a small profile file, publish it to your EC2 website with SCP and verify that the actual page displays your new content.
ShellLinux
Launch Your First Portfolio Website
Launch your first EC2 website, explore Terminal and AWS View, see a complete portfolio page and safely terminate your own server.
AWSLinuxShell
Detect and Recover from Website Errors
Configure a CloudWatch alarm, observe a failed website publication and restore healthy traffic to return the alarm to OK.
AWSLinux
Store Application Files on an EBS Volume
Create and attach an EBS data volume, format and mount it on an EC2 server, serve a report file and verify resource cleanup.
AWSLinux
Restore Files from an EBS Snapshot
Back up an EBS report volume, observe a file deletion, restore a new volume from its snapshot and verify recovered application data.
LinuxAWS
Launch an EC2 Application Server
Launch an EC2 instance from a prepared Ubuntu AMI, connect with SSH, configure a supplied application and verify its HTTP response before terminating the server.
AWSLinux
Bootstrap an Instance with User Data
Configure a report application automatically at EC2 launch with a Bash User Data script, inspect the startup log and verify its response before terminating the instance.
AWSLinux
Hadoop Applying Scheduler
Inspect the active Hadoop YARN scheduler, configure Fair Scheduler queues and resource weights, and switch to Capacity Scheduler queues with equal capacity allocations.
Linux
Synchronize a Report Directory
Synchronize local reports to an S3 prefix, inspect new and updated objects, preview scoped deletion, and preserve unrelated archive data.
AWSLinuxShell
Store and Retrieve Files in S3
Use the AWS CLI to store, update, and retrieve reports in S3, observe storage changes, and clean up your resources.
AWSLinuxShell
Share a Private File with a Temporary Link
Share an S3 report with a temporary download link, verify permissions and expiration, and clean up private storage resources.
AWSShellLinux
Set Lifecycle Rules for Temporary Exports
Configure a scoped S3 lifecycle rule for temporary exports, inspect the stored policy, protect permanent records, and clean up.
AWSLinuxShell
Recover an Overwritten Report with Versioning
Enable S3 versioning, recover an overwritten report, remove a delete marker to restore access, and clean up all historical versions.
AWSShellLinux
Organize Documents with Keys and Metadata
Organize team documents with S3 object keys, prefixes, content types, and custom metadata; retrieve a report and practice scoped cleanup.
AWSLinux
Normalize a PATH-Style List
Convert one colon-separated list into sorted unique directory lines.
Linux
Managing Services and System Logs
Learn how systemd manages services, control and enable a safe practice service, inspect journal and text logs, and recover from a simple failure.
Linux
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