15m-ops-break

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Introduction to resilience engineering

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- The risk matrix (impact/frequency) and the long tail - Failure domains - Blast radius/bulkheading - Preconditions/limits of automation - Runbooks - Monitoring/observability

nukemberg

Git

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Intro to Git - Merkle trees - Content addressable storage - Blobs, commits, heads - Repo, work tree, staging area - Merges vs rebase

nukemberg

Compare 3 ways of getting to the internet with packet capture and OSI diagrams - Router - packets not touched only moved - NAT - Layer 3/4 address rewrite -...

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tools

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Why tools Build your tools Get your tools Combine your tools Master your tools (only a few, choose carefully)

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- TLS handshake, latency - SNI headers, encrypted SNI - Certificates and validation (client and server) - TLS record sizes and TCP MSS - Certificate chain and bundles

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Http - request performance analysis

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Juliavol

- What is PAM - Integrating SSO using PAM - Automating audit, session management etc

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SLO/SLA/SLI

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quite related to resilience engineering IMO * misconceptions * how can these be calculated in complex systems (especially when dependent on public clouds)

DrFaust92

- What is a grid and why you need it - K8s, Nomad, ECS, etc - Responsibilities of a grid - Scheduling - Process management - Resource management - Auxiliary...

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- What is init - What is systemd - `systemctl` - units, services, targets - socket activation - dependencies - `systemd-analyze`

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