Solutii din proiecte reale: recuperari de date, migrari, hardening, incidente. Ce am facut, cum, de ce — fara teorie inutila.
Instalare manager/indexer/dashboard, enrolare agenti, FIM realtime, reguli si decoders custom, active response, detectie vulnerabilitati si integrari — comenzi.
Instalare, site omd, agenti TLS, discovery, reguli, notificari, monitorizare distribuita si API — ghid complet cu comenzi.
Server, workeri, kubectl, deploy aplicatie si ingress Traefik — pas cu pas.
Leaga doua retele LAN prin tunel criptat, cu routing intre sedii — comenzi exacte.
Anti-spoofing, semnare criptografica si politica, cu verificare DNS.
Primary + standby, pg_basebackup, verificare lag si failover.
Frontend/backend, algoritmi, health checks, TLS si pagina de statistici.
Chei ed25519, fara parola/root, 2FA, jump host si protectie brute-force.
Wildcard *.domeniu fara port 80 (Cloudflare), ideal pt intranet, cu reinnoire automata.
Instalare, acquisition, colectii, bouncer nftables, consola si testare — pas cu pas.
Retea de migrare dedicata, bonding/VLAN, migrare online si compatibilitate CPU.
Pool mirror/raidz, compresie, snapshots instant si replicare intre noduri.
Backup incremental, deduplicat, cu verificare de integritate si retentie — pas cu pas.
Ceph, StarWind VSAN Free, GlusterFS, DRBD/Linstor, ZFS — comparatie si cand alegi fiecare.
IDS/IPS, SIEM, threat intelligence, feeds, firewall, VPN, scanare si monitoring — enumerate cu ce face fiecare.
Cluster Proxmox VE cu storage Ceph replicat: cerinte, retea, OSD-uri, pool RBD si High Availability.
Server WireGuard pe Debian plus configurarea clientului pe Windows, pas cu pas.
Ruleset de baza, seturi de IP-uri, rate-limit SSH, logging si persistenta — comenzi.
Instalare, firewall, server block si TLS Let's Encrypt — Debian 12/13.
Ghid practic: aplicatii in containere Docker cu Nginx reverse proxy in fata, TLS Let's Encrypt, retele izolate si hardening de productie.
Ghid practic: firewall OPNsense cu Suricata IDS/IPS inline si CrowdSec IPS colaborativ — instalare, reguli, tuning si testare.
De ce Debian ramane distributia Linux preferata pentru servere enterprise in 2026.
Care firewall e potrivit pentru SMB, mid-market sau enterprise in 2026.
Dupa scumpirile Broadcom, multi migreaza. Ghid pas cu pas pentru migrare VMware → Proxmox VE.
Cum securizezi un server Linux Debian in 2026 — CIS benchmark, fail2ban, GeoIP, CrowdSec.
Cum implementezi backup si DR cu Veeam B&R folosind strategia 3-2-1.
Implementare SD-WAN cu FortiGate: link load balancing, application steering, ZTNA, ce presupune.
Convertire P2V server fizic Windows/Linux in Hyper-V: etape, provocari, decizii arhitecturale.
Configurare firewall enterprise pe Linux: nftables, GeoIP, IP reputation lists, fail2ban, NetFlow vizibilitate.
Construire SOC functional 24/7 cu Wazuh, Suricata si Grafana — stack open-source enterprise-grade.
Design strat reverse proxy HA cu HAProxy, Nginx, ModSecurity WAF, SSL automat.
De ce si cum implementam mail server self-hosted cu Postfix, Dovecot, Rspamd, DKIM/SPF/DMARC.
Stack complet monitoring: infrastructura, retea, aplicatii, business metrics, logs centralizate.
Implementare Ansible pentru gestionare infrastructura: playbooks, inventory dinamic, vault, AWX.