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🏆SENIOR EMBEDDED LINUX ENGINEER | DEVOPS, SERVER & CLOUD SUPPORT 🏆 I am a Senior embedded Linux and DevOps Engineer with good experience in Linux systems, server administration, networking, cloud, VPN, firewall, Synology NAS, and embedded Linux. I help clients set up, manage, secure, troubleshoot, and optimize networks, servers, cloud systems, remote access, and low-level Linux systems. ▶︎ CORE SKILLS ✅ Linux Kernel & System Programming Linux kernel development and debugging, kernel modules, device drivers KVM virtualization, filesystem, network, USB, Linux video OOPS debugging, performance analysis, system troubleshooting C/C++, Bash, Makefile, Python Linux system programming and low-level debugging ✅ Embedded Linux OpenWRT, Yocto, Android Linux Raspberry Pi, Orange Pi, embedded Linux boards USB, XHCI, WiFi, LTE, network, and camera drivers Router, gateway, and embedded system development Hardware/software integration ✅ DevOps, Cloud & Virtualization AWS, Azure, Google Cloud, VPS, dedicated servers Docker, Kubernetes, QEMU, Libvirt, VirtualBox GitHub Actions, GitLab CI, CI/CD setup Nginx, Apache, SSL setup Cloud server deployment and maintenance ✅ Network Setup & Administration VLAN, routing, switching, subnetting NAT, port forwarding, DNS, DHCP VXLAN, iptables, router configuration Network troubleshooting and performance fixing Office network and secure remote access setup ✅ VPN & Remote Access WireGuard, OpenVPN, IPSec VPN, L2TP Site-to-Site VPN and Remote Access VPN Secure remote access for users, office branches, and private servers VPN troubleshooting and speed optimization ✅ Linux & Windows Server Administration Ubuntu, Debian, CentOS, Rocky Linux, Arch Linux Windows Server, RDP, SSH Active Directory, Group Policy, users, permissions File sharing, backup, updates, monitoring, logs Server migration and issue fixing ✅ Firewall, Security & NAS Firewall rules, traffic control, access policy pfSense, MikroTik, Fortigate, Linux firewall Synology DSM, shared folders, users, permissions Backup, file sync, remote access, NAS security ▶︎ WHAT I CAN HELP WITH ✅ Linux kernel debugging and system troubleshooting ✅ Linux device driver and kernel module work ✅ Embedded Linux setup and development ✅ OpenWRT, Yocto, and Android Linux support ✅ VPN setup, firewall rules, and secure remote access ✅ Linux/Windows server setup and maintenance ✅ Docker, Kubernetes, CI/CD, Nginx, Apache, and SSL setup ✅ Cloud server setup on AWS, Azure, Google Cloud, VPS, or dedicated server ✅ Synology NAS setup, backup, and file server support ✅ Network performance, server performance, and system analysis ✅ DNS, DHCP, VLAN, NAT, routing, and port forwarding I like to understand the problem first, then check the system carefully and fix it step by step. I can help you keep your network, server, cloud, embedded Linux, NAS, firewall, and system software stable, secure, and high-performing.