Tutorials
Step-by-step technical guides on Docker, Linux, Python, Go, and more.
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Hashcat Wordlist Attack Tutorial 2026: Crack MD5, NTLM, WPA2 with rockyou.txt
Hashcat wordlist attack step-by-step: crack MD5, NTLM, and WPA2 hashes using rockyou.txt. Copy-paste commands with real output. Covers -a 0, rules, mask attacks, and cracking WPA2 .hccapx files. Kali Linux 2026.
How to Install Nessus on Ubuntu 22.04 / 24.04 (2026 Guide)
Step-by-step guide to install Nessus on Ubuntu 22.04 and 24.04 in 2026. Download .deb, dpkg install, start service, activate Essentials free tier, run first scan.
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.