Furkan İkkan
Turkey-based Network & System Administrator. Linux, Windows Server, virtualization, backup, monitoring, CDN/load balancing, DNS, and network security. 14+ infrastructure projects across public-sector and e-commerce environments.
5+ years experience · 14+ infrastructure projects · [email protected]
Sources: llms.txt · llms-full.txt · LinkedIn
Skills
- AlmaLinux
- CentOS
- Ubuntu
- Windows Server
- Bash
- PowerShell
- PostgreSQL
- MySQL
- MariaDB
- MSSQL
- MongoDB
- Redis
- RabbitMQ
- Nginx
- Apache
- IIS
- LiteSpeed
- PHP-FPM
- PM2
- Plesk
- cPanel
- Let's Encrypt
- DNS
- Cloudflare
- CDN
- VPN
- SSL/TLS
- pfSense
- Kerio Control
- WAF
- ModSecurity
- Switch
- Proxmox
- VMware ESXi
- vCenter
- Hyper-V
- Docker
- Veeam
- Zabbix
- Grafana
- Prometheus
- Uptime Kuma
- rsync
- rclone
- Borg
- restic
- Active Directory
- Group Policy
- HAProxy
- Bitdefender
- kurumsal e-posta
- IP telefon
Infrastructure operated
- elemegi.com — Handmade marketplace infra: load balancing, CDN, backup, monitoring
- yildirim.bel.tr — Municipal web infrastructure, security and operations
- yildirimbelediyespor.org — Sports club site infrastructure
- bbb.gov.tr — Public-sector infrastructure and security operations
- yildirimkitapligi.com — Library platform infrastructure
- pendc.com — Datacenter operations and infrastructure
- medicalcepte.com — Healthcare e-commerce infrastructure
- apartasist.com — Property-management software infrastructure
- malikki.com — Web infrastructure and operations
- mahsup.net — Settlement/finance platform infrastructure
- mollayegan.com — Web infrastructure and operations
- Duelio — Mobile app infrastructure
Writing
- Runtime CVE Scanning with Trivy in GitLab CI: Auto-block Images
- Using systemd WatchdogSec to Auto-Recover Hung Services
- Detecting Anomalous sudo Session Duration with LLM and iptables Automation
- Borg zstd Level 19 Compression: Storage Savings and CPU Impact Test
- Rate-Limit DHCP Requests with ebtables on Linux Bridge
- Automating SBOM and License Compliance in GitLab CI with Trivy
- Prevent journald Disk Spikes with RateLimitInterval and Burst Settings
- Fail2ban + LLM: Auto-block SSH brute force using log analysis
- Isolating Dangerous Commands with systemd-nspawn and seccomp
- Disable SMB v1 Completely on Windows Server 2022 Using PowerShell
- Safe External Writes with foreachBatch in Spark Structured Streaming
- auditd ile /etc/passwd ve /etc/shadow Yazma Girişlerini Anlık Algılama ve Engelleme
- Configuring Linux tc for VoIP DSCP EF Marking and Priority Queuing
- Encrypt Network Backups with Restic Using --stdin and --stdout Pipes
- Latency SLO-Based Canary Analysis and Auto Rollback in Argo Rollouts
- Configuring DNS-over-TLS and DNSSEC with systemd-resolved: Setup and Troubleshooting
- Detecting Suspicious sudo Usage with LLM from syslog and Blocking via iptables
- Using Linux tc netem to Add Jitter for Realistic WAN Simulation
- Running Sub‑Minute Tasks with systemd Timers: AccuracySec and OnUnitActiveSec
- Visualizing Borg Backup Success and Failures in ELK with Structured JSON Logs
- Using Latency SLOs Instead of Error Rate in Argo Rollouts Canary Analysis
- Detecting Invalid sudo Commands from syslog with LLM for iptables Blocking
- Testing Risky Commands with systemd-nspawn and seccomp Profiles
- How to Fully Disable SMB v1 on Windows Server 2022 with PowerShell