System administration

Day-to-day experience with:

• Linux (Debian/Ubuntu preferred)
• MySQL/MariaDB
• MariaDB ColumnStore
• HAProxy
• VLAN networking
• Ubiquiti network equipment (EdgeMax)
• Mikrotik
• OpenVPN
• Wireguard
• Iptables
• Linux-KVM
• Docker
• Zabbix
• Borg (deduplicating backups)
• Apache
• Nginx
• Varnish
• Bash
• Redis
• Google Apps
• Google APIs
• Amazon AWS

Web development

Expertise in:

• PHP
• HTML
• CSS
• JavaScript
• jQuery
• LUA
• SQL
• MySQL/MariaDB
• PostGIS
• MariaDB ColumnStore (former InfiniDB)
• Redis
• Sphinxsearch + SphinxQL
• Highcharts
• Leaflet
• Bootstrap
• OpenStreetMap
• Git
• Google APIs

Surveillance

Specialized in:

• Hikvision NVR
• Hikvision IP cameras
• Ubiquiti network equipment (Unifi + EdgeMax)
• Segregated networks
• VPN

We work with video recording, PoE, 4k cameras, motion detection, embedded solutions, remote access, smartphone applications. Installations are available both for private residences and businesses.

Reference work

• Project-GC.com
  Third party site with tools and statistics related to Geocaching.
• OSM-Boundaries.com
  A replacement for https://wambachers-osm.website/boundaries/.