Programming

Languages

• Bash
• C
• CSS
• HTML
• Javascript
• Lua
• NodeJS
• Perl
• PHP
• Python
• Rust

Software

Automation

• Ansible
• Kickstart
• MCollective
• Puppet
• PXE

CI/CD

• Codefresh
• Github Actions
• Jenkins

Cloud

• AWS
• DigitalOcean

Containerization

• Docker
• Kubernetes

Database

• Elasticsearch
• InfluxDB
• MySQL/MariaDB/Percona
• OpenTSDB
• PostgreSQL
• Redis
• Riak

DNS

• Bind
• dnscache
• dnsmasq
• PowerDNS
• tinydns
• unbound

Mail

• Dovecot
• Exim
• Mailu
• Postfix
• Sendmail

Monitoring/Metrics/Logging

• Graphana
• Kibana
• Nagios
• OpenNMS
• Prometheus

Networking

• Bird
• ExaBGP
• Noction IRP
• Quagga

Queues

• Beanstalkd
• Mosquitto
• RabbitMQ

Virtualization

• dynamips
• QEMU
• QEMU/KVM
• UML
• VirtualBox
• VMware

Web

• HAProxy
• httpd
• nginx
• OpenResty
• Varnish Cache

Neworking

Hardware

• A10
• Arbor
• Arista
• Cisco
• Foundry/Brocade
• Juniper
• Mellanox
• Ubiquiti

Protocols

• BGP
• CARP
• Ethernet
• FlowSpec
• GRE
• IKE
• Infiniband
• IPv4
• IPv6
• IPsec
• IS-IS
• MPLS
• OSPFv2
• OSPFv3

Services

• CWDM
• DWDM
• Peering
• Transit
• Transport

VPN

• Juniper Pulse
• L2TP/IPsec
• OpenVPN
• Wireguard

Storage

Hardware

• 3ware
• Dell EMC Isilon
• LSI

Protocols

• Ceph
• CIFS/Samba
• NFS

Systems

Hardware

• Dell
• IBM
• Quanta
• Supermicro

Operating Systems

Linux

• Alpine
• CentOS
• Debian
• Gentoo
• RHEL

UNIX

• FreeBSD