Amazon Linux EC2 Troubleshooting -- 2
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About this role
System Admin, Linux, Apache, Nginx, Amazon Web Services, DevOps, Performance Tuning, System Administration · My Amazon Linux EC2 instance is showing signs of stress—occasional service crashes and noticeable load spikes. The stack is Nginx in front of PHP-FPM, and everything sits on a vanilla AWS setup with the usual security groups and EBS volumes. I need a fresh set of eyes to jump in over SSH, review the configuration, and stabilise the box.
Scope of work • Pinpoint the root cause of the crashes and high-load episodes, using CloudWatch metrics, log files, and any profiling tools you prefer. • Audit Nginx, PHP-FPM, and systemd settings, making sensible tweaks to worker limits, memory, and time-outs. • Check kernel limits, swap usage, and basic Amazon Linux optimisations to be sure nothing obvious is throttling performance. • Verify that core AWS items—security groups, IAM roles, EBS throughput, and instance type—are aligned with best practice. • Leave me with clear notes on what you changed (or didn’t), so the next deployment is painless.
Acceptance criteria 1. Nginx and related services run for 24 h without an unexpected restart. 2. Average CPU and memory stay within a normal operating window (we can define this on kick-off). 3. I receive a concise change log and any t