| Deutsch | English |
Operating Systems | ||
|---|---|---|
| • Linux Server (Debian / Ubuntu, Gentoo)
• BSD Server (FreeBSD, OpenBSD, NetBSD) • Apple macOS, iOS / iPadOS, tvOS | ||
Networking | ||
| • TCP/IP Ipv4 + IPv6
• Switching (including VLAN), Routing, Firewall / NAT, Loadbalancing • VPN (OpenVPN, IPSEC, Cisco) • Cisco IOS (VLAN, Access List / ACL, Traffic Shaping) | ||
Hardware / Systems / Appliances | ||
| • Server Hardware (SuperMicro, Dell, HP) including Remote Management (IPMI, BMC)
• Hardware RAID Controller (Areca, LSI, Adaptec) • Network general: Router, Switches, Wi-Fi Access Points, Printers • Ubiquiti UniFi Network Switches and Wi-Fi Access Points • Devices: UPS (APC including apcupsd), LTO-Tape Drives / Libraries • OPNsense Gateway / Firewall in High-Availability with Dual-WAN, DHCP, DNS, VPN • Starface PBX VoIP with GigaSet DECT N720 | ||
Cloud / Services | ||
| • Cloud / VM Hoster: Hetzner, Infomaniak, ungleich
• Amazon Web Services (AWS) with VPC, EC2, ELB, EFS, S3, RDS, SQS, CloudFront • Google Workspace (Gmail, Calendar, Docs, Meet), Google Cloud Platform (GCP) • Registration and Management of Internet Domains | ||
Software | ||
| • Linux Software RAID (md) and Linux Logical Volume Manager (LVM2)
• Linux Virtualization with KVM / QEMU, libvirt, virsh, virt-manger, Open vSwitch • Virtualization: VMware Server and Fusion, Proxmox, VirtualBox • Containers: FreeBSD Jails, Docker • Firewall: IPFW, pf, nftables, iptables, Fail2ban • SSH (SCP, SFTP) including Key-Authentication and Jump-Host-Configuration • Public Key Infrastructure (PKI) including Hardware Security Module (HSM) • TLS (SSL) Certificates including ACME Automation • Automation and Script Management: Bash Shell Scripte, Ansible, git • DNS Server: ISC bind for authoritative Zones and as Resolver, Unbound as Resolver • DHCP Server: ISC dhcpd including special informations for other services • NTP Server in group configuration including GPS and DCF77 receiver • Network File Systems: NFS (RPC, autofs / automount), CIFS / SMB, AFP, iSCSI • Authentication: Network Information System (NIS / YP), OpenLDAP, Radius • Samba (File-Server, Print-Server, WINS, Domain) • Database Server: MariaDB / MySQL, PostgreSQL, Elasticsearch / OpenSearch • Email: Sendmail, Postfix, Cyrus, SpamAssassin, ClamAV, amavisd, SPF / DMARC • Web Server / Proxy: Apache, Nginx, Squid Cache • Web Applications: Roundcube, DAViCal, DokuWiki, WordPress, Webalizer and more • Monitoring: Nagios / Icinga, Munin, Collectd, Smokeping, MRTG • Backup: Bacula, own Bash Shell Script with rsync • Package Management: FreeBSD Ports, Debian Packages, Gentoo Portages, MacPorts • Miscellaneous: TFTP, PXE / Networkboot, memcached, GlusterFS, tmux / screen |
| Fabian Wenk | last update 01-Aug-2026 | |