Tutorials
Step-by-step technical guides on Docker, Linux, Python, Go, and more.
Page 14 of 37
iwconfig vs iw: Which WiFi Command to Use in Linux 2026
Learn why iwconfig is deprecated and when to use iw instead. Covers scanning, signal check, monitor mode, channel config with real command examples.
journalctl: Filter and Search System Logs (2026 Guide)
journalctl guide 2026. Filter by unit, time, priority, boot. Output formats, persistent logs, disk usage, vacuum. Complete command reference with examples.
Nessus Scan Configuration Best Practices (2026)
Nessus scan configuration best practices 2026: scan types, credential scanning, port ranges, safe checks, scheduling, reducing false positives, and exporting PDF/CSV reports.
RTL8812AU on Kali Linux 2026: Monitor Mode & Packet Injection (Kernel 6.14 Guide)
Complete guide to RTL8812AU on Kali Linux 2026. Kernel 6.14 now includes RTL8812AU natively — no DKMS needed. Works with Archer T4UHP, Alfa AWUS036ACH, and more.
SSH Config File (~/.ssh/config) Complete Guide (2026)
Complete guide to the ~/.ssh/config file. Host blocks, IdentityFile, ProxyJump, ServerAliveInterval, multiple GitHub/GitLab accounts, Include directive explained.
SSH Key Generation and Management in 2026: ed25519, RSA, and More
SSH key generation in 2026: ed25519 vs RSA-4096 vs ECDSA comparison, ssh-keygen commands, ssh-copy-id, authorized_keys, ssh-agent, key rotation guide.
Create and Manage systemd Service Files: Complete Guide (2026)
Create systemd service files in 2026. [Unit], [Service], [Install] sections explained. ExecStart, Restart, User, EnvironmentFile. Real Python Flask app example.
systemd Timers vs Cron: When to Use Each (2026)
systemd timers vs cron comparison 2026. OnCalendar syntax, catch-up runs, logging, per-user timers, migration example from cron to systemd timer. FAQ included.
Teaching AI Literacy to Students — A Practical Classroom Framework for 2026
A practical framework for teaching AI literacy across K-12 and university — age-appropriate activities, free resources, and assessment approaches for 2026.
esxcli hardware pci pcipassthru list — ESXi PCI Passthrough CLI Guide
Enable VMware ESXi PCI passthrough using esxcli hardware pci pcipassthru list and esxcli hardware pci pcipassthru enable. No GUI required. Includes verification and reboot steps.