DevOps & Git · Week 2–3
Interactive: build pipelines to answer log questions
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DevOps & Git • Week 2–3
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Interactive: build pipelines to answer log questions

Everything on a server is a file or a process — learn to interrogate both.

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COURSE CONTENTS

Interactive: build pipelines to answer log questions

01Git MasteryWeek 1 · 5 topics0/5
Git internals: blobs, trees, commits — the object graph14 minBranching strategies: trunk-based vs GitFlow12 minrebase -i, cherry-pick, reset (soft/mixed/hard)16 minInteractive: disaster recovery with reflog12 minRescue lab: recover a 'lost' commit + fix a bad rebase30 min
02GitHub Workflow & Code ReviewWeek 1–2 · 5 topics0/5
PR hygiene: size, descriptions, stacked diffs12 minCode review culture: what to catch, what to automate12 minBranch protection, semantic commits, changelogs12 minMonorepos vs polyrepos: tooling implications10 minSet up a protected main + PR template repo30 min
03Linux & Shell FluencyWeek 2–3 · 5 topics0/5
Filesystem, permissions, users, sudo14 minProcesses, signals, systemd services14 minPipes, redirection, grep/sed/awk survival kit16 minInteractive: build pipelines to answer log questions15 minWrite a deploy script with set -euo pipefail30 min
04Networking for DevOpsWeek 3 · 5 topics0/5
OSI refresher for infra debugging15 minPorts, firewalls, security groups12 minDNS records that matter: A, CNAME, MX, TXT, TTL12 minnginx as reverse proxy + TLS termination14 minDebug: site down — isolate DNS vs port vs app30 min
05CI/CD PipelinesWeek 4 · 5 topics0/5
Pipeline anatomy: stages, artifacts, caching14 minGitHub Actions: workflows, jobs, matrix, secrets16 minDeploy strategies: rolling, blue-green, canary14 minInteractive: pick a deploy strategy for 5 risk profiles12 minBuild a full pipeline: test → build → canary deploy60 min
06Docker & ContainersWeek 5–6 · 5 topics0/5
Containers vs VMs; namespaces + cgroups under the hood14 minDockerfiles that don't suck: layers, caching, multi-stage16 minVolumes, networks, docker compose for local stacks14 minInteractive: shrink a 1.2GB image to 80MB15 minContainerize a 3-tier app (web + api + db)45 min
07KubernetesWeek 6–7 · 6 topics0/6
Cluster anatomy: control plane vs nodes14 minPods, Deployments, Services, Ingress16 minConfigMaps, Secrets, probes and resource limits14 minRolling updates, rollbacks, autoscaling (HPA)14 minInteractive: kill a pod, watch self-healing12 minDeploy the 3-tier app to a local cluster (kind/minikube)60 min
08Cloud, IaC & ObservabilityWeek 8 · 6 topics0/6
Cloud primitives: compute, object storage, VPC, IAM16 minTerraform: plan/apply, state, modules16 minThe three pillars: logs, metrics, traces14 minPrometheus + Grafana + alerting that doesn't cry wolf14 minSLOs, error budgets and incident response basics12 minCAPSTONE: IaC-provisioned, monitored, canary-deployed app2–3 days