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Jasper Siepkes siepkes

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@lizthegrey
lizthegrey / attributes.rb
Last active July 17, 2025 01:43
Hardening SSH with 2fa
default['sshd']['sshd_config']['AuthenticationMethods'] = 'publickey,keyboard-interactive:pam'
default['sshd']['sshd_config']['ChallengeResponseAuthentication'] = 'yes'
default['sshd']['sshd_config']['PasswordAuthentication'] = 'no'
@xgp
xgp / Dockerfile
Last active June 24, 2025 17:40
Keycloak 17 example using JGroups JDBC_PING discovery protocol for Infinispan
FROM quay.io/keycloak/keycloak:17.0.0 as builder
ENV KC_METRICS_ENABLED=true
ENV KC_FEATURES=preview
ENV KC_DB=postgres
ENV KC_HTTP_RELATIVE_PATH=/auth
# specify the custom cache config file here
ENV KC_CACHE_CONFIG_FILE=cache-ispn-jdbc-ping.xml
# copy the custom cache config file into the keycloak conf dir
@timothyham
timothyham / ipv6guide.md
Last active June 25, 2025 23:24
A Short IPv6 Guide for Home IPv4 Admins

A Short IPv6 Guide for Home IPv4 Admins

This guide is for homelab admins who understand IPv4s well but find setting up IPv6 hard or annoying because things work differently. In some ways, managing an IPv6 network can be simpler than IPv4, one just needs to learn some new concepts and discard some old ones.

Let’s begin.

First of all, there are some concepts that one must unlearn from ipv4:

Concept 1