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@alexeldeib
alexeldeib / manifests.yaml
Created October 22, 2021 16:01
crictl image cleanup
apiVersion: v1
kind: ConfigMap
metadata:
name: imagecleanupconfig
namespace: default
labels:
component: imagecleanup
data:
# removes all images unused by a running container
cronjobs: 0 0 * * * crictl rmi --prune 2>&1
@Hakky54
Hakky54 / openssl_commands.md
Last active April 25, 2025 10:21 — forked from p3t3r67x0/openssl_commands.md
OpenSSL Cheat Sheet

OpenSSL Cheat Sheet 🔐

Install

Install the OpenSSL on Debian based systems

sudo apt-get install openssl
@vasanthk
vasanthk / System Design.md
Last active April 26, 2025 18:45
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
@soarez
soarez / ca.md
Last active April 24, 2025 12:51
How to setup your own CA with OpenSSL

How to setup your own CA with OpenSSL

For educational reasons I've decided to create my own CA. Here is what I learned.

First things first

Lets get some context first.