Free browser-based tools, command cheatsheets and field-tested guides for developers, sysadmins, networking, cybersecurity and technical SEO. Fast answers, no fluff.https://peoplearegeek.com/en-ushttps://peoplearegeek.com/articles/anthropic-fable-5-mythos-5-suspended/https://peoplearegeek.com/articles/anthropic-fable-5-mythos-5-suspended/Anthropic disabled Claude Fable 5 and Mythos 5 worldwide after a US government order. The timeline, the trigger, and how to fall back to Opus 4.8 fast.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/ai-in-cybersecurity-2026/https://peoplearegeek.com/articles/ai-in-cybersecurity-2026/AI in cybersecurity in 2026: what it really does for defenders (triage, summarization, code review), what attackers do with it, and the dual-use problem.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/reviews/best-mini-pc-homelab-2026/https://peoplearegeek.com/reviews/best-mini-pc-homelab-2026/The best mini PC for a homelab depends on the job: low-power N100 always-on boxes, Proxmox workhorses like the MS-01, budget used micros, and NAS-capable picks.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/reviews/best-managed-switch-homelab-2026/https://peoplearegeek.com/reviews/best-managed-switch-homelab-2026/Best managed switch for a homelab in 2026, grouped by use case: cheap 8-port gigabit for VLANs, the 2.5GbE sweet spot, PoE, 10GbE, MikroTik vs UniFi.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/reviews/best-wifi-router-2026/https://peoplearegeek.com/reviews/best-wifi-router-2026/The best Wi-Fi router 2026 picks, grouped by the job: value Wi-Fi 6 for most homes, when Wi-Fi 6E and 7 are worth it, mesh, the UniFi homelab path, ISP box.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/reviews/best-nas-home-2026/https://peoplearegeek.com/reviews/best-nas-home-2026/Best NAS for home in 2026, grouped by the job: simple 2-bay backup and Plex, 4-bay media plus apps, and the DIY TrueNAS or Unraid route.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/bug-bounty-starter-sysadmins/https://peoplearegeek.com/articles/bug-bounty-starter-sysadmins/A bug bounty starter guide for sysadmins: how your DNS, HTTP and Linux skills transfer, the five free tools I open, and the report shape that gets paid.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/build-local-ai-agent-ollama-qwen-2026/https://peoplearegeek.com/articles/build-local-ai-agent-ollama-qwen-2026/How I run a local AI agent with Ollama and Qwen 2.5 in 2026: install on Windows, Linux or macOS, pick the model your VRAM fits, call it from Python and LangChain.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/centos-to-rocky-9-migration-playbook-2026/https://peoplearegeek.com/articles/centos-to-rocky-9-migration-playbook-2026/CentOS to Rocky Linux 9 migration, end to end: the in-place ELevate route, the fresh-install route, the pre-flight inventory, and the breaks that fail silently.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/chatgpt-claude-gemini-2026/https://peoplearegeek.com/articles/chatgpt-claude-gemini-2026/A hands-on ChatGPT vs Claude vs Gemini comparison for 2026, ten real jobs tested through the APIs: code, research, writing, data, vision, cost and latency.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/chmod-chown-cheatsheet/https://peoplearegeek.com/articles/chmod-chown-cheatsheet/A practical Linux chmod and chown cheatsheet: the Permission denied fix with chmod +x, why 755 and 644 keep showing up, chown for ownership, and recursing safely.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/claude-fable-5-vs-opus-4-8/https://peoplearegeek.com/articles/claude-fable-5-vs-opus-4-8/Claude Fable 5 vs Opus 4.8 after a mid-session swap on launch day: 95.0% vs 88.6% SWE-bench, exactly 2x the price, and the safety routing caveat.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/choosing-linux-distribution-2026-decision-framework/https://peoplearegeek.com/articles/choosing-linux-distribution-2026-decision-framework/Choosing a Linux distribution in 2026 without the tribal noise: four inputs that decide (team skills, compliance, app stack, support) plus honest distro profiles.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/core-web-vitals-mastery-2026/https://peoplearegeek.com/articles/core-web-vitals-mastery-2026/Master Core Web Vitals in 2026: what LCP, INP and CLS really measure, lab vs field data, the fixes that still hold up, plus budgets and a weekly workflow.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/ctf-lab-hyperv-setup/https://peoplearegeek.com/articles/ctf-lab-hyperv-setup/Build a CTF lab on Hyper-V: three trust-segmented virtual switches, a Kali attacker, Metasploitable3 and a broken Windows 10, with pfSense in the middle for routing.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/curl-cheatsheet/https://peoplearegeek.com/articles/curl-cheatsheet/A practical curl cheatsheet: download and keep the remote name with curl -O, follow redirects with -L, fetch headers only with -I, and POST JSON with -d.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/dns-over-https-implementation/https://peoplearegeek.com/articles/dns-over-https-implementation/DNS over HTTPS the way I roll it out: what DoH buys you (and what it does not), flipping it on for Windows, Linux and macOS, plus self-hosting and edge enforcement.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/esxi-host-not-responding-vcenter/https://peoplearegeek.com/articles/esxi-host-not-responding-vcenter/ESXi host Not Responding in vCenter is almost always a dead management link, not a dead host. Restart hostd then vpxa, clear the log partition, check ports 902/443.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/find-command-cheatsheet/https://peoplearegeek.com/articles/find-command-cheatsheet/A practical Linux find cheatsheet: find by -name, big files with -size +100M, recent ones with -mtime, delete with -delete, and run -exec on each hit.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/git-rebase-vs-merge-visual-workflow-guide/https://peoplearegeek.com/articles/git-rebase-vs-merge-visual-workflow-guide/Git rebase vs merge, decided in one mental model and five real situations: branch diagrams before and after, the exact commands, and the rule I never break.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/grep-cheatsheet/https://peoplearegeek.com/articles/grep-cheatsheet/A practical Linux grep cheatsheet: search one file with grep pattern file, search a whole tree with grep -rn, ignore case with -i, invert with -v, and pick -E or -F.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/hyper-v-hypervisor-is-not-running/https://peoplearegeek.com/articles/hyper-v-hypervisor-is-not-running/Fix Hyper-V 'the hypervisor is not running' by working the five gates in order: BIOS virtualization, the feature, hypervisorlaunchtype, conflicts, services.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/image-optimization-techniques-2026/https://peoplearegeek.com/articles/image-optimization-techniques-2026/Image optimization techniques for 2026: why AVIF goes first with WebP and JPEG behind it, responsive srcset, the lazy-load plus LCP trap, compression, and CDN automation.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/inp-optimization-2026/https://peoplearegeek.com/articles/inp-optimization-2026/A hands-on INP optimization guide for 2026: the twelve Interaction to Next Paint killers I keep finding in audits, how to profile them, and a real 480ms to 120ms fix.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/iptables-vs-nftables-cheatsheet/https://peoplearegeek.com/articles/iptables-vs-nftables-cheatsheet/iptables vs nftables, side by side: list rules, allow SSH on dport 22, default drop policy, persist to rules.v4 or nftables.conf, convert with iptables-translate.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/linux-firewall-comparison-2026/https://peoplearegeek.com/articles/linux-firewall-comparison-2026/Linux firewall comparison for 2026: iptables, nftables, firewalld and ufw all poke one kernel. Per-distro defaults, the same rule four ways, plus my honest pick.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/linux-kernel-hardening-checklist/https://peoplearegeek.com/articles/linux-kernel-hardening-checklist/Linux kernel hardening with sysctl: the 32 toggles I actually ship, grouped by subsystem and sorted by how much each one matters, plus a drift check.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/linux-networking-commands-ip-ss/https://peoplearegeek.com/articles/linux-networking-commands-ip-ss/ifconfig and netstat are gone on most modern Linux installs. The iproute2 replacements you need: ip a, ss -tulpn, ip route, ip neigh, and a clean old-to-new map.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/mikrotik-vs-ubiquiti-home/https://peoplearegeek.com/articles/mikrotik-vs-ubiquiti-home/MikroTik vs Ubiquiti for a prosumer home network: matched stacks under 400 EUR, CLI vs UI, real routing protocols, Wi-Fi roaming, VPN, a 3-year cost breakdown.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/mobile-optimization-2026/https://peoplearegeek.com/articles/mobile-optimization-2026/Mobile optimization in 2026: the Core Web Vitals targets for mobile (LCP under 2.5s, INP under 200ms, CLS under 0.1), what slows a phone, and how to test like one.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/network-config-across-linux-distros-2026/https://peoplearegeek.com/articles/network-config-across-linux-distros-2026/Network config across Linux distros in 2026: netplan, ifupdown, NetworkManager, systemd-networkd and wicked compared, with the static IP recipe for each.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/nmcli-cheatsheet/https://peoplearegeek.com/articles/nmcli-cheatsheet/A practical nmcli cheatsheet for NetworkManager: scan and connect to Wi-Fi, list saved connections, bring them up and down, check device status, and set a static IP.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/pfsense-vs-opnsense-home/https://peoplearegeek.com/articles/pfsense-vs-opnsense-home/pfSense vs OPNsense for home networks, run side by side on one N100 mini-PC for years: UI, update cadence, plugins, real benchmarks, appliances, and which I pick.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/powershell-networking-cheatsheet/https://peoplearegeek.com/articles/powershell-networking-cheatsheet/A PowerShell networking cheatsheet: test a port with Test-NetConnection, read your IP and DNS with Get-NetIPConfiguration, find listening ports, resolve names.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/proxmox-vs-esxi-vs-hyperv-2026/https://peoplearegeek.com/articles/proxmox-vs-esxi-vs-hyperv-2026/Proxmox vs ESXi vs Hyper-V in 2026: honest cost, licensing, clustering, backup and containers after the Broadcom shakeup, plus which fits homelab or enterprise.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/python-regex-cheatsheet-20-patterns/https://peoplearegeek.com/fr/articles/python-regex-cheatsheet-20-patterns/Cheatsheet Python regex : 20 patterns re testés, e-mail, IPv4, IPv6, URL, téléphone, ISO 8601, UUID, découpage CSV, lignes de log, slugs, avec l'edge case de chacun.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/python-regex-cheatsheet-20-patterns/https://peoplearegeek.com/articles/python-regex-cheatsheet-20-patterns/A Python regex cheatsheet of 20 tested re patterns: email, IPv4 and IPv6, URL, phone, ISO 8601, UUID, CSV split, log lines, slugs, with the edge case for each.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/rsync-cheatsheet/https://peoplearegeek.com/articles/rsync-cheatsheet/A practical Linux rsync cheatsheet: mirror with rsync -av, copy over ssh with -avz, mirror exactly with --delete, dry-run, resume, and the trailing slash gotcha.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/secure-linux-ubuntu-2404-server-checklist/https://peoplearegeek.com/fr/articles/secure-linux-ubuntu-2404-server-checklist/Sécuriser un serveur Linux Ubuntu 24.04, la passe que je fais sur chaque VPS : SSH en clés uniquement sur un port discret, UFW, fail2ban, MAJ auto, AppArmor, auditd.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/secure-linux-ubuntu-2404-server-checklist/https://peoplearegeek.com/articles/secure-linux-ubuntu-2404-server-checklist/Ubuntu 24.04 server hardening, the way I run it on every VPS: keys-only SSH on a quiet port, UFW, fail2ban, unattended updates, AppArmor enforcing, auditd.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/self-hosted-vpn-wireguard-guide/https://peoplearegeek.com/articles/self-hosted-vpn-wireguard-guide/Self-hosted WireGuard VPN on a 5 EUR VPS: pick split vs full tunnel, generate Curve25519 keys, write the server and client configs, and get NAT and DNS right.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/soc-homelab-wazuh-suricata-elk/https://peoplearegeek.com/articles/soc-homelab-wazuh-suricata-elk/Build a SOC homelab with Wazuh, Suricata and the Elastic Stack on a spare VM: the single-node installer, agent enrolment, and test attacks you can fire yourself.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/server-monitoring-nagios-hyperv-setup/https://peoplearegeek.com/articles/server-monitoring-nagios-hyperv-setup/Server monitoring with Nagios on a Hyper-V Ubuntu 24.04 VM: build Nagios 4.5 from source, aim HTTP, SSH, MySQL and disk probes, then wire mail and Telegram alerts.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/ssh-command-cheatsheet/https://peoplearegeek.com/articles/ssh-command-cheatsheet/A practical SSH command cheatsheet, most-used first: connect with ssh user@host, make an ed25519 key, push it with ssh-copy-id, copy files with scp, tunnel ports.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/ssh-permission-denied-publickey-fix/https://peoplearegeek.com/articles/ssh-permission-denied-publickey-fix/Permission denied (publickey) is never mysterious once you read the handshake. The real causes in order, each with the exact command to confirm and fix it.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/systemctl-journalctl-cheatsheet/https://peoplearegeek.com/articles/systemctl-journalctl-cheatsheet/A systemctl and journalctl cheatsheet: status to see if a service runs and why it died, restart, reload, enable --now, daemon-reload, and journalctl -u NAME -f.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/tailscale-vs-wireguard-2026/https://peoplearegeek.com/articles/tailscale-vs-wireguard-2026/Tailscale vs WireGuard in 2026: Tailscale is WireGuard plus a control plane for keys, NAT traversal via DERP, MagicDNS and ACLs. When each one wins.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/tar-command-cheatsheet/https://peoplearegeek.com/articles/tar-command-cheatsheet/A practical Linux tar cheatsheet: create a gzip archive with tar -czf, extract with tar -xzf (eXtract Ze File), list with tar -tzf, plus exclude and strip-components.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/understanding-core-web-vitals-2026/https://peoplearegeek.com/articles/understanding-core-web-vitals-2026/Core Web Vitals in 2026: before/after code I shipped for LCP, INP and CLS, reading a Lighthouse capture honestly, plus the WordPress and Cloudflare toggles I reach for.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/vaultwarden-self-host-guide/https://peoplearegeek.com/articles/vaultwarden-self-host-guide/Vaultwarden self-host guide: docker compose plus Caddy with automatic TLS, your first admin signup, then fail2ban, restic backups, and locking down the admin route.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/vmware-esxi-psod/https://peoplearegeek.com/articles/vmware-esxi-psod/VMware ESXi PSOD fix guide: read the purple screen, tell a bad driver from dying hardware, grab the coredump before you reboot, then recover the host.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/vmware-hyper-v-coexistence/https://peoplearegeek.com/articles/vmware-hyper-v-coexistence/The VMware Device/Credential Guard not compatible error has two fixes: keep Hyper-V and upgrade VMware to Workstation 16+, or disable Hyper-V and VBS for VMware 15.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/wazuh-siem-setup-budget/https://peoplearegeek.com/articles/wazuh-siem-setup-budget/Wazuh SIEM on a budget, three paths I actually run: a Raspberry Pi 5 under 100 EUR, an Intel N100 mini-PC, or a Hetzner CAX21 ARM node under 10 EUR a month.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/web-accessibility-wcag-2026/https://peoplearegeek.com/articles/web-accessibility-wcag-2026/Web accessibility in 2026: target WCAG 2.2 AA, fix the five issues that sink most sites (contrast, alt text, labels, link text, page language), and test it yourself.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/web-workers-2026/https://peoplearegeek.com/articles/web-workers-2026/Web Workers in 2026: the patterns I reach for, the ones I skip, transferables, SharedArrayBuffer, Comlink, and how to prove the move actually helped your INP.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/web-app-security-audit-2026/https://peoplearegeek.com/articles/web-app-security-audit-2026/The web app security audit I actually run in 2026, in four layers: transport, app code, supply chain, secrets, with the tools and a 25-point checklist.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/articles/wordpress-security-audit-10-steps-2026/https://peoplearegeek.com/articles/wordpress-security-audit-10-steps-2026/A WordPress security audit you run in about 90 minutes: PHP and WP versions, plugin CVEs, HTTP headers, htaccess, TLS, 2FA, xmlrpc, user enumeration, logs and backups.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/anthropic-fable-5-mythos-5-suspended/https://peoplearegeek.com/fr/articles/anthropic-fable-5-mythos-5-suspended/Anthropic a désactivé Claude Fable 5 et Mythos 5 partout après un ordre du gouvernement américain. La chronologie, le déclencheur, et le repli vers Opus 4.8.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/ai-in-cybersecurity-2026/https://peoplearegeek.com/fr/articles/ai-in-cybersecurity-2026/L'IA en cybersécurité en 2026 : ce qu'elle fait vraiment pour les défenseurs (tri, résumé, revue de code), ce que les attaquants en font, et le problème du double usage.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/reviews/best-managed-switch-homelab-2026/https://peoplearegeek.com/fr/reviews/best-managed-switch-homelab-2026/Le meilleur switch manageable pour un homelab en 2026, classé par usage : 8 ports gigabit pour les VLAN, le sweet spot 2.5GbE, le PoE, 10GbE, MikroTik face à UniFi.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/reviews/best-mini-pc-homelab-2026/https://peoplearegeek.com/fr/reviews/best-mini-pc-homelab-2026/Le meilleur mini PC pour un homelab dépend de l'usage : box N100 basse conso, machines à virtualiser Proxmox comme le MS-01, micros d'occasion et modèles NAS.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/reviews/best-nas-home-2026/https://peoplearegeek.com/fr/reviews/best-nas-home-2026/Le meilleur NAS pour la maison en 2026, classé par le boulot : deux baies pour sauvegarde et Plex, quatre baies média plus apps, et la voie DIY TrueNAS ou Unraid.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/reviews/best-wifi-router-2026/https://peoplearegeek.com/fr/reviews/best-wifi-router-2026/Le meilleur routeur Wi-Fi 2026 classé par usage : le Wi-Fi 6 abordable pour la plupart des maisons, quand le 6E et le 7 valent le coup, le mesh et la box opérateur.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/bug-bounty-starter-sysadmins/https://peoplearegeek.com/fr/articles/bug-bounty-starter-sysadmins/Guide de démarrage bug bounty pour sysadmins : comment tes réflexes DNS, HTTP et Linux se transfèrent, les cinq outils gratuits, et le report qui se fait payer.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/build-local-ai-agent-ollama-qwen-2026/https://peoplearegeek.com/fr/articles/build-local-ai-agent-ollama-qwen-2026/Faire tourner un agent IA local avec Ollama et Qwen 2.5 en 2026 : installer sur Windows, Linux ou macOS, choisir le modèle selon la VRAM, l'appeler depuis Python.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/centos-to-rocky-9-migration-playbook-2026/https://peoplearegeek.com/fr/articles/centos-to-rocky-9-migration-playbook-2026/Migrer de CentOS vers Rocky Linux 9 de bout en bout : la voie in-place ELevate, la réinstallation propre, l'inventaire préalable et les casses silencieuses.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/chatgpt-claude-gemini-2026/https://peoplearegeek.com/fr/articles/chatgpt-claude-gemini-2026/Comparatif terrain ChatGPT vs Claude vs Gemini en 2026 : dix vrais boulots testés via les API (code, recherche, rédaction, data, vision, coût, latence).Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/chmod-chown-cheatsheet/https://peoplearegeek.com/fr/articles/chmod-chown-cheatsheet/Antisèche chmod et chown Linux : le remède au Permission denied avec chmod +x, pourquoi 755 et 644 reviennent sans arrêt, chown et récurser sans dégâts.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/choosing-linux-distribution-2026-decision-framework/https://peoplearegeek.com/fr/articles/choosing-linux-distribution-2026-decision-framework/Choisir une distribution Linux en 2026 : quatre critères qui décident vraiment (compétences, conformité, pile applicative, support), plus des profils honnêtes.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/claude-fable-5-vs-opus-4-8/https://peoplearegeek.com/fr/articles/claude-fable-5-vs-opus-4-8/Claude Fable 5 vs Opus 4.8 après un changement de modèle en pleine session : 95.0% vs 88.6% sur SWE-bench, exactement 2x le prix, et la réserve du routage sécurité.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/core-web-vitals-mastery-2026/https://peoplearegeek.com/fr/articles/core-web-vitals-mastery-2026/Maîtriser les Core Web Vitals en 2026 : ce que mesurent vraiment LCP, INP et CLS, lab vs field, les corrections qui tiennent, plus les budgets et un workflow hebdo.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/ctf-lab-hyperv-setup/https://peoplearegeek.com/fr/articles/ctf-lab-hyperv-setup/Monter un lab CTF sur Hyper-V : trois virtual switches segmentés par zone de confiance, un attaquant Kali, Metasploitable3 et un Windows 10 cassé, pfSense au centre.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/curl-cheatsheet/https://peoplearegeek.com/fr/articles/curl-cheatsheet/Antisèche curl pratique : télécharger en gardant le nom distant avec curl -O, suivre les redirections avec -L, voir les en-têtes avec -I, faire un POST JSON avec -d.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/dns-over-https-implementation/https://peoplearegeek.com/fr/articles/dns-over-https-implementation/Le DNS over HTTPS comme je le déploie vraiment : ce que le DoH t'apporte (et ce qu'il n'apporte pas), l'activer sur Windows, Linux et macOS, plus l'auto-hébergement.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/esxi-host-not-responding-vcenter/https://peoplearegeek.com/fr/articles/esxi-host-not-responding-vcenter/Un host ESXi Not Responding dans vCenter est presque toujours un lien de management mort, pas un host mort. Redémarre hostd puis vpxa, vérifie les ports 902 et 443.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/find-command-cheatsheet/https://peoplearegeek.com/fr/articles/find-command-cheatsheet/Une antisèche find sous Linux : trouver par nom avec -name, les gros fichiers avec -size +100M, les récents avec -mtime, supprimer et lancer -exec sur un résultat.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/git-rebase-vs-merge-visual-workflow-guide/https://peoplearegeek.com/fr/articles/git-rebase-vs-merge-visual-workflow-guide/Rebase ou merge avec git, tranché en un modèle mental et cinq situations réelles : branch diagrams avant-après, les commandes exactes, et la règle que je ne casse jamais.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/grep-cheatsheet/https://peoplearegeek.com/fr/articles/grep-cheatsheet/Antisèche grep Linux : chercher dans un fichier, parcourir un arbre avec grep -rn, ignorer la casse avec -i, inverser avec -v, et choisir le moteur -E ou -F.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/hyper-v-hypervisor-is-not-running/https://peoplearegeek.com/fr/articles/hyper-v-hypervisor-is-not-running/Corriger Hyper-V the hypervisor is not running en passant les cinq barrières dans l'ordre : virtualisation BIOS, fonctionnalité, hypervisorlaunchtype et services.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/image-optimization-techniques-2026/https://peoplearegeek.com/fr/articles/image-optimization-techniques-2026/Optimiser les images en 2026 : l'AVIF d'abord avec WebP et JPEG en fallback, le srcset responsive, le piège lazy-load plus LCP, la compression et l'automatisation.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/inp-optimization-2026/https://peoplearegeek.com/fr/articles/inp-optimization-2026/Un guide pratique d'optimisation INP pour 2026 : les douze tueurs d'INP que je retrouve en audit, comment les profiler, et un vrai fix de 480 ms à 120 ms.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/iptables-vs-nftables-cheatsheet/https://peoplearegeek.com/fr/articles/iptables-vs-nftables-cheatsheet/iptables vs nftables, côte à côte : lister les règles, autoriser SSH sur dport 22, refus par défaut, persister vers rules.v4 ou nftables.conf, et convertir.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/linux-firewall-comparison-2026/https://peoplearegeek.com/fr/articles/linux-firewall-comparison-2026/Comparatif des firewalls Linux 2026 : iptables, nftables, firewalld et ufw tapent tous sur un seul noyau. Réglages par défaut par distrib, plus mon choix honnête.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/linux-kernel-hardening-checklist/https://peoplearegeek.com/fr/articles/linux-kernel-hardening-checklist/Durcissement du noyau Linux avec sysctl : les 32 réglages que je déploie vraiment, regroupés par sous-système et triés par importance, avec une détection de dérive.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/linux-networking-commands-ip-ss/https://peoplearegeek.com/fr/articles/linux-networking-commands-ip-ss/ifconfig et netstat ont disparu des installs Linux modernes. Le jeu iproute2 a apprendre : ip a, ss -tulpn, ip route, ip neigh, plus le tableau de correspondance.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/mikrotik-vs-ubiquiti-home/https://peoplearegeek.com/fr/articles/mikrotik-vs-ubiquiti-home/MikroTik vs Ubiquiti pour un réseau maison prosumer : stacks équivalentes sous 400 EUR, CLI contre interface, vrais protocoles de routage, VPN et coût sur 3 ans.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/mobile-optimization-2026/https://peoplearegeek.com/fr/articles/mobile-optimization-2026/L'optimisation mobile en 2026 : les cibles Core Web Vitals du mobile, LCP sous 2.5s, INP sous 200ms et CLS sous 0.1, et comment tester sur un vrai appareil.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/network-config-across-linux-distros-2026/https://peoplearegeek.com/fr/articles/network-config-across-linux-distros-2026/Config réseau sur les distros Linux en 2026 : netplan, ifupdown, NetworkManager, systemd-networkd et wicked comparés, avec la recette IP statique pour chacune.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/nmcli-cheatsheet/https://peoplearegeek.com/fr/articles/nmcli-cheatsheet/Une antisèche nmcli pour NetworkManager : scanner et se connecter au Wi-Fi, lister les connexions, les activer ou les couper et définir une IP statique.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/pfsense-vs-opnsense-home/https://peoplearegeek.com/fr/articles/pfsense-vs-opnsense-home/pfSense vs OPNsense pour le réseau maison, tournés côte à côte sur un mini-PC N100 : UI, rythme des versions, plugins, vrais benchmarks, appliances, et lequel je choisis.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/powershell-networking-cheatsheet/https://peoplearegeek.com/fr/articles/powershell-networking-cheatsheet/Antisèche PowerShell réseau : tester un port avec Test-NetConnection, lire IP et DNS avec Get-NetIPConfiguration, trouver les ports en écoute, résoudre des noms.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/proxmox-vs-esxi-vs-hyperv-2026/https://peoplearegeek.com/fr/articles/proxmox-vs-esxi-vs-hyperv-2026/Proxmox vs ESXi vs Hyper-V en 2026 : coût, licences, clustering, sauvegarde et conteneurs après le séisme Broadcom, et lequel convient au homelab ou à l'entreprise.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/rsync-cheatsheet/https://peoplearegeek.com/fr/articles/rsync-cheatsheet/Antisèche rsync Linux : copier à l'identique avec rsync -av, copier via ssh avec -avz, miroir exact avec --delete, simulation, reprise et le piège du slash final.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/self-hosted-vpn-wireguard-guide/https://peoplearegeek.com/fr/articles/self-hosted-vpn-wireguard-guide/VPN WireGuard auto-hébergé sur un VPS à 5 EUR : choisir split ou full-tunnel, générer des clés Curve25519, écrire les configs serveur et client, régler NAT et DNS.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/server-monitoring-nagios-hyperv-setup/https://peoplearegeek.com/fr/articles/server-monitoring-nagios-hyperv-setup/Monitoring de serveurs avec Nagios sur une VM Hyper-V Ubuntu 24.04 : compiler depuis les sources, sonder HTTP, SSH, MySQL et disque, alerter par mail et Telegram.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/soc-homelab-wazuh-suricata-elk/https://peoplearegeek.com/fr/articles/soc-homelab-wazuh-suricata-elk/Monter un homelab SOC avec Wazuh, Suricata et l'Elastic Stack sur une VM de récup : l'installeur single-node, l'enrôlement des agents et des attaques de test.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/ssh-command-cheatsheet/https://peoplearegeek.com/fr/articles/ssh-command-cheatsheet/Une antisèche SSH, les commandes les plus utilisées en premier : se connecter avec ssh user@host, créer une clé ed25519, l'envoyer avec ssh-copy-id, copier avec scp.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/ssh-permission-denied-publickey-fix/https://peoplearegeek.com/fr/articles/ssh-permission-denied-publickey-fix/SSH Permission denied (publickey) n'est jamais mystérieux une fois la poignée de main lue. Les vraies causes dans l'ordre, chacune avec sa commande exacte.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/systemctl-journalctl-cheatsheet/https://peoplearegeek.com/fr/articles/systemctl-journalctl-cheatsheet/Antisèche systemctl et journalctl : status pour voir si un service tourne et pourquoi il est mort, restart, reload, enable --now et journalctl -u NAME -f.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/tailscale-vs-wireguard-2026/https://peoplearegeek.com/fr/articles/tailscale-vs-wireguard-2026/Tailscale vs WireGuard en 2026 : Tailscale, c'est WireGuard plus un control plane pour les clés, la traversée NAT via DERP, MagicDNS et les ACL. Quand chacun gagne.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/tar-command-cheatsheet/https://peoplearegeek.com/fr/articles/tar-command-cheatsheet/Antisèche de la commande tar sous Linux : créer une archive gzip avec tar -czf, extraire avec tar -xzf, lister avec tar -tzf, plus exclude et strip-components.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/understanding-core-web-vitals-2026/https://peoplearegeek.com/fr/articles/understanding-core-web-vitals-2026/Les Core Web Vitals en 2026 : du code avant/après mis en prod pour le LCP, l'INP et le CLS, lire une capture Lighthouse, plus les réglages WordPress et Cloudflare.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/vaultwarden-self-host-guide/https://peoplearegeek.com/fr/articles/vaultwarden-self-host-guide/Auto-héberger Vaultwarden : docker compose plus Caddy avec TLS auto, première inscription admin, puis fail2ban, sauvegardes restic et route admin verrouillée.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/vmware-esxi-psod/https://peoplearegeek.com/fr/articles/vmware-esxi-psod/Guide PSOD VMware ESXi : lire l'écran violet, distinguer un driver fautif d'un hardware mourant, récupérer le core dump avant de rebooter, puis remonter le host.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/wazuh-siem-setup-budget/https://peoplearegeek.com/fr/articles/wazuh-siem-setup-budget/Wazuh SIEM à petit budget, trois chemins que je fais tourner : un Raspberry Pi 5 sous 100 EUR, un mini-PC Intel N100, ou un nœud ARM Hetzner sous 10 EUR par mois.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/vmware-hyper-v-coexistence/https://peoplearegeek.com/fr/articles/vmware-hyper-v-coexistence/L'erreur VMware Device/Credential Guard not compatible a deux correctifs : garder Hyper-V avec Workstation 16 et plus, ou couper Hyper-V et VBS pour VMware 15.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/web-accessibility-wcag-2026/https://peoplearegeek.com/fr/articles/web-accessibility-wcag-2026/L'accessibilité web en 2026 : visez WCAG 2.2 AA et réglez les cinq problèmes qui coulent le plus de sites, contraste, texte alternatif, labels, liens et langue.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/web-app-security-audit-2026/https://peoplearegeek.com/fr/articles/web-app-security-audit-2026/L'audit de sécurité d'appli web que j'applique en 2026, en quatre couches : transport, code applicatif, supply chain et secrets, avec les outils et une checklist.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/web-workers-2026/https://peoplearegeek.com/fr/articles/web-workers-2026/Web Workers en 2026 : les patterns que je sors vraiment, ceux que j'évite, transferable, SharedArrayBuffer, Comlink, et comment prouver le gain sur ton INP.Tue, 16 Jun 2026 00:00:00 GMThttps://peoplearegeek.com/fr/articles/wordpress-security-audit-10-steps-2026/https://peoplearegeek.com/fr/articles/wordpress-security-audit-10-steps-2026/L'audit de sécurité WordPress en 90 minutes : versions PHP et WP, CVE de plugins, headers HTTP, htaccess, TLS, 2FA, xmlrpc, énumération des comptes, logs et backups.Tue, 16 Jun 2026 00:00:00 GMT