Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.
Learn how to use fzf for interactive command line search, filtering command history, files, and processes with extreme agility.
Learn how to use smartctl on Linux to monitor NVMe drive health, check wear levels, inspect remapped blocks, and prevent sudden data loss.
Learn the step-by-step process to set up incremental backups on Linux using rsync, SSH keys, and automatic cron scheduling.
Learn how to trace system calls and pinpoint the exact source of disk latency on Linux using the perf utility step by step.
Learn how to create efficient nftables rules to detect and mitigate port scans before they reach your internal network services.
Learn how to configure advanced firewall rules using iptables and hashlimit to mitigate SYN and UDP packet floods on exposed Linux servers.
Learn how to run automated security scans on AWS using Prowler to map identity gaps and excessive access privileges.
Learn how the Linux OOM Killer terminates Docker containers and discover how to configure memory limits with cgroups to keep production apps stable.
Learn how to use ksniff combined with Wireshark to capture network packets directly from isolated pods in Kubernetes clusters.
Learn how to use the dig command in the terminal to diagnose propagation failures, latency, and A, CNAME, and MX records on DNS servers.
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