Johanna Walter

JOH-ann-uh WALL-tur

History

current December 2023
September 2023 January 2023
May 2022 June 2018
May 2018 April 2014
April 2014 November 2011
November 2011 June 2003

Skills and Knowledge

(listed alphabetically)

Programming

Languages

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

Software

Automation

  • Ansible
  • Kickstart
  • MCollective
  • Puppet
  • PXE

CI/CD

  • Codefresh
  • Github Actions
  • Jenkins

Cloud

  • AWS

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