Linux infrastructure, secure tunnels, and production systems — fixed and monitored.
Remote Linux infrastructure support for small businesses and teams: servers, VPNs, MikroTik, VoIP, monitoring and automation.
What I Do
Specialized infrastructure services for businesses that rely on Linux, secure networking and reliable systems.
Linux Administration
Linux server setup, hardening, troubleshooting, performance tuning, systemd services, logs, backups and production support.
VPN & Secure Tunneling
Multi-protocol VPN and tunneling infrastructure: WireGuard, OpenVPN, IPSec, GRE/IPIP tunnels, MikroTik VPN and Linux routing gateways.
MikroTik Networking
RouterOS configuration, firewall rules, NAT, VLANs, routing, VPN gateways and secure office network infrastructure.
VoIP & SIP Troubleshooting
Asterisk, SIP trunks, RTP/NAT issues, one-way audio, call routing, FreePBX and VoIP infrastructure diagnostics.
Monitoring & Observability
Monitoring dashboards, service health checks, uptime monitoring, Prometheus/Grafana-style observability and alerting.
Infrastructure Recovery
Emergency troubleshooting, failed services, broken networking, firewall mistakes, Linux recovery and production incident response.
Bash & Python Automation
Scripts for deployment, diagnostics, backups, health checks, log processing and routine infrastructure tasks.
Remote Technical Support
Remote troubleshooting and infrastructure support for small businesses, startups and technical teams.
Network Topology
Secure, monitored infrastructure from edge to application layer.
Infrastructure Observability
Real-time visibility into every layer of the stack.
| vpn-gateway | active | 1.2ms |
| nginx-proxy | active | 0.8ms |
| asterisk-pbx | active | 2.1ms |
| backup-cron | warning | — |
| prometheus | active | 0.5ms |
| grafana | active | 1.0ms |
Infrastructure Examples
Real-world scenarios demonstrating infrastructure design, recovery and integration.
Sanitized infrastructure examples based on real-world scenarios. Client details removed.
Multi-Protocol VPN Infrastructure
Designed secure remote access and site-to-site tunnel architecture using Linux gateways, MikroTik routing, firewall rules and multiple VPN protocols depending on business requirements.
MikroTik Office Network
Configured secure office networking with routing, firewall policies, NAT, VLAN segmentation, VPN access and traffic control.
Linux Service Recovery
Recovered unstable Linux services, analyzed logs, restored service availability and documented root causes to prevent repeat incidents.
SIP / RTP NAT Troubleshooting
Diagnosed and resolved VoIP issues such as one-way audio, SIP registration failures, RTP routing problems and NAT misconfiguration.
CRM + Telephony Integration
Connected telephony workflows with CRM systems using SIP events, API calls, webhooks and automation logic for call tracking and operational workflows.
Docker Monitoring Stack
Built a lightweight monitoring environment for service visibility, uptime checks, infrastructure metrics and operational alerts.
Tools & Technologies
The infrastructure toolkit I work with daily.
How I Work
A structured approach to every infrastructure engagement.
Get In Touch
Ready to fix, build or monitor your infrastructure? Reach out through any channel.