https://karandeepsingh.ca/cheatsheets/languages/golang/2025-07-08T09:50:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/terminal/tmux/2025-07-02T08:55:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/devops/jenkins/2025-06-11T12:35:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/python/python-basics-cli/2025-05-12T09:15:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/containers/docker/2025-04-18T13:40:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/bash/bash-basics/2025-03-30T08:20:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/devops/cloudformation/2025-07-15T10:10:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/terminal/ubuntu-terminal/2025-06-28T14:15:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/python/python-threading-concurrency/2025-06-03T14:30:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/containers/kubernetes/2025-05-27T15:25:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/bash/bash-sed-awk/2025-04-25T16:10:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/devops/ansible/2025-07-19T17:00:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/python/python-boto3/2025-06-21T10:45:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/bash/bash-cli/2025-05-19T11:05:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/terminal/al2-terminal/2022-07-23T09:30:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/python/2025-07-23T08:00:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/bash/2025-07-23T08:00:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/containers/2025-07-23T08:00:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/devops/2025-07-23T08:00:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/terminal/2025-07-23T08:00:00+00:00weekly0.5https://karandeepsingh.ca/cheatsheets/languages/2025-07-23T08:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/aurora/2026-07-27T04:15:00+00:00weekly0.5https://karandeepsingh.ca/tags/aws/2026-07-27T04:15:00+00:00weekly0.5https://karandeepsingh.ca/categories/2026-07-27T04:15:00+00:00weekly0.5https://karandeepsingh.ca/posts/aurora-clone-copy-on-write/2026-07-27T04:15:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/aurora-clone-creating.pngCloning an Aurora PostgreSQL Cluster (Copy-on-Write)Create a copy-on-write Aurora clone in minutes, prove it is isolated from the source, and learn when to use one, when to delete it, the limits, and whether to add readers or Regions.https://karandeepsingh.ca/categories/cloud/2026-07-27T04:15:00+00:00weekly0.5https://karandeepsingh.ca/categories/devops/2026-07-27T04:15:00+00:00weekly0.5https://karandeepsingh.ca/tags/postgresql/2026-07-27T04:15:00+00:00weekly0.5https://karandeepsingh.ca/tags/2026-07-27T04:15:00+00:00weekly0.5https://karandeepsingh.ca/posts/aurora-rds-data-api-postgresql/2026-07-27T04:00:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/aurora-enable-rds-data-api.pngRunning SQL Over HTTPS with the RDS Data API (Aurora PostgreSQL)Enable the RDS Data API on Aurora PostgreSQL and run SQL over HTTPS with no persistent connection, no VPC, and IAM auth, from the browser Query Editor and the CLI.https://karandeepsingh.ca/posts/aurora-write-forwarding-postgresql/2026-07-27T03:00:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/aurora-enable-local-write-forwarding.pngAurora Write Forwarding: Writing Through a Read ReplicaLet a read replica accept writes with Aurora write forwarding. Hands-on local write forwarding in PostgreSQL, plus the global cross-region variant, latency, versions, and limits.https://karandeepsingh.ca/posts/aurora-add-aws-region-global-database/2026-07-27T00:30:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/aurora-global-database-created.pngAdding an AWS Region to Aurora PostgreSQL (Global Database)Turn an Aurora PostgreSQL cluster into a global database by adding a second AWS Region: the r-class upgrade, the reboot, the opt-in region trap, and the scaling limits.https://karandeepsingh.ca/posts/aurora-add-reader-read-replica/2026-07-26T03:30:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/aurora-cluster-writer-reader.pngAdding a Read Replica (Reader) to Aurora PostgreSQLAdd a reader to Aurora PostgreSQL to scale reads: create the replica, learn the writer vs reader endpoints, prove it is read-only, and route reads to it.https://karandeepsingh.ca/posts/find-slow-queries-aurora-postgresql/2026-07-26T01:00:00+00:00monthly0.8https://karandeepsingh.ca/tags/python/2026-07-26T00:30:00+00:00weekly0.5https://karandeepsingh.ca/tags/valkey/2026-07-26T00:30:00+00:00weekly0.5https://karandeepsingh.ca/posts/valkey-cache-aside-aurora-postgresql/2026-07-26T00:30:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/aurora-database-connectivity.pngValkey as a Cache in Front of Aurora PostgreSQL (Cache-Aside)Put Valkey in front of Aurora PostgreSQL with the cache-aside pattern in Python, and measure a real 67x speedup on cached reads, with every gotcha I hit.https://karandeepsingh.ca/posts/aurora-postgresql-setup-guide/2026-07-25T20:00:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/aurora-create-database-engine.pngHow to Set Up Aurora PostgreSQL (and Why Each Setting Matters)A walkthrough of creating an Amazon Aurora PostgreSQL cluster, explaining why each choice, provisioned vs serverless, storage, security groups, and public access.https://karandeepsingh.ca/tags/elasticache/2026-07-25T02:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/valkey-aws-elasticache-guide/2026-07-25T02:00:00+00:00monthly0.8https://karandeepsingh.ca/images/posts/valkey-elasticache-dashboard.pngValkey on AWS ElastiCache: A Hands-On GuideSet up Valkey on AWS ElastiCache step by step: security groups, an EC2 client, TLS, valkey-cli testing, and a Python health-check script, with the real errors I hit.https://karandeepsingh.ca/tags/jenkins/2026-06-27T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/jenkins-upgrade-and-migration-guide/2026-06-27T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/jenkins-versions.jpgUpgrading Jenkins: Migration Strategies for Major Version JumpsHow to plan and execute Jenkins upgrades safely, including in-place, blue-green, and phased paths for large multi-version jumps.https://karandeepsingh.ca/tags/containers/2026-06-18T07:01:00+00:00weekly0.5https://karandeepsingh.ca/tags/devops/2026-07-16T00:00:00-06:00weekly0.5https://karandeepsingh.ca/tags/docker/2026-06-18T07:01:00+00:00weekly0.5https://karandeepsingh.ca/posts/docker-compose-multi-container-guide/2026-06-18T07:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/docker-compose-multi-container-guide-card.jpgDocker Compose, Bake & ECR: Build and Ship AppsBuild a multi-container app with Docker Compose, then build images with Docker Bake and push them to Amazon ECR, ready to run on ECS, Fargate, or EKS.https://karandeepsingh.ca/tags/eks/2026-06-18T05:01:00+00:00weekly0.5https://karandeepsingh.ca/tags/kubernetes/2026-07-16T00:00:00-06:00weekly0.5https://karandeepsingh.ca/posts/kubernetes-eks-setup-eksctl/2026-06-18T05:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/kubernetes-eks-setup-eksctl-card.jpgKubernetes on AWS: EKS Setup with eksctlSet up a Kubernetes cluster on AWS EKS with eksctl: prerequisites, one-command cluster creation, deploy and expose a workload, and tear it down to control cost.https://karandeepsingh.ca/posts/fix-kubernetes-crashloopbackoff/2026-06-18T04:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/fix-kubernetes-crashloopbackoff-card.jpgFix Kubernetes CrashLoopBackOff: Causes and SolutionsKubernetes CrashLoopBackOff explained: a workflow to diagnose it and fix the six most common causes, from bad config to OOMKilled and failing probes.https://karandeepsingh.ca/posts/kubernetes-fundamentals-pods-deployments-services/2026-06-18T03:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/kubernetes-fundamentals-card.jpgKubernetes Fundamentals: Pods, Deployments, ServicesLearn Kubernetes fundamentals hands-on: deploy your first pod, understand Deployments and self-healing, and expose apps with Services on a local kind cluster.https://karandeepsingh.ca/tags/cli/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/kubectl-cheat-sheet/2026-06-18T02:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/kubectl-cheat-sheet-card.jpgkubectl Cheat Sheet: 30+ Essential CommandsA practical kubectl cheat sheet: 30+ essential commands for pods, deployments, services, logs, and debugging, grouped by task with copy-paste examples.https://karandeepsingh.ca/tags/bash/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/cicd/2026-07-16T00:00:00-06:00weekly0.5https://karandeepsingh.ca/categories/development/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/sed/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/sed-for-log-analysis/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/sed-for-log-analysis-card.jpgSed for Log Analysis: Errors, Time Filters, PatternsPractical sed patterns for log analysis: extract errors, filter time ranges, anonymize PII, parse multi-line stack traces, and merge sorted logs.https://karandeepsingh.ca/posts/sed-gotchas-gnu-vs-bsd/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/mastering-sed.jpgSed Gotchas: GNU vs BSD and Safe In-Place EditingThe sed gotchas that bite in production: GNU vs BSD differences, in-place editing safety, escape sequence traps, and portable patterns that work everywhere.https://karandeepsingh.ca/posts/sed-in-ci-cd-pipelines/2026-05-05T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/bash-scripting-aws-network.jpgSed in CI/CD: Safe Patterns for GitHub Actions and JenkinsUse sed safely in CI/CD pipelines: idempotent edits, exit-code checks, dry-run patterns, and the gotchas that break Jenkins, GitHub Actions, and CodeBuild jobs.https://karandeepsingh.ca/posts/sed-multiline-patterns/2026-05-05T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/sed-multiline-patterns-card.jpgSed Multiline Patterns: How to Match Across LinesSed multiline patterns explained: the hold space, the N/D/P commands, and address ranges. Production examples for stack traces, YAML blocks, and SQL statements.https://karandeepsingh.ca/posts/sed-vs-awk-vs-grep/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/sed-vs-awk-vs-grep-card.jpgSed vs Awk vs Grep: When to Use Which (with Decision Matrix)Sed vs awk vs grep: a decision matrix for picking the right tool, with common DevOps tasks side by side, performance notes, and the rule of thumb that settles it.https://karandeepsingh.ca/tags/cloud/2026-07-16T00:00:00-06:00weekly0.5https://karandeepsingh.ca/posts/what-i-got-wrong-about-kubernetes-2025/2026-05-04T10:00:00-06:00weekly0.5https://karandeepsingh.ca/images/posts/what-i-got-wrong-about-kubernetes-2025-card.jpgWhat Teams Got Wrong About Kubernetes in 2025Five expensive Kubernetes mistakes the industry kept making in 2025: an unneeded service mesh, unused autoscaling, unread Helm charts, and premature platforms.https://karandeepsingh.ca/tags/terraform/2026-07-16T00:00:00-06:00weekly0.5https://karandeepsingh.ca/posts/devops-stack-i-would-pick-2026/2026-07-16T00:00:00-06:00weekly0.5https://karandeepsingh.ca/images/posts/devops-stack-i-would-pick-2026-card.jpgThe DevOps Stack I'd Pick If I Started Over in 2026The DevOps stack I would pick if I started over today, after years of production and painful migrations: cloud, IaC, CI/CD, observability, and tools to avoid.https://karandeepsingh.ca/about/2026-06-18T00:00:00+00:00monthly0.9https://karandeepsingh.ca/tags/golang/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/linux/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/mastering-tmux-go-session-manager/2026-02-21T14:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/mastering-tmux-go.jpgMaster tmux: From Multiplexer to a Go Session ManagerLearn tmux from scratch — sessions, windows, panes, and scripting — then build a Go CLI tool that launches your dev environment from a YAML config.https://karandeepsingh.ca/tags/tmux/2026-02-21T14:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/log-aggregator-from-scratch-go/2026-02-16T14:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/log-aggregator-go.jpgLog Aggregator From Scratch in GoBuild a log aggregator in Go from scratch. Tail files with inotify, survive log rotation, parse syslog and JSON, and shut down gracefully in 200 lines.https://karandeepsingh.ca/tags/logging/2026-02-16T14:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/terraform-getting-started-aws/2026-02-16T10:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/terraform-getting-started.jpgTerraform From Scratch: Provision AWS InfrastructureLearn Terraform with AWS from scratch: start with a single S3 bucket, hit real errors, fix them, then build a VPC with an EC2 instance you can SSH into.https://karandeepsingh.ca/tags/nginx/2026-02-15T23:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/nginx-log-analysis-grep-to-go/2026-02-15T23:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/nginx-logs-docker.jpgNginx Log Analysis: From grep to a Go Log ParserLearn nginx log analysis step by step: start with grep and awk one-liners, then build a Go parser that finds slow endpoints and detects error spikes.https://karandeepsingh.ca/tags/automation/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/bash-scripting-meets-aws/2026-02-15T22:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/bash-scripting-meets-aws.jpgAWS CLI Automation: From Bash Scripts to GoLearn AWS automation step by step: start with AWS CLI for S3, EC2, and IAM, then build the same in Go with the AWS SDK, ending with an infrastructure report.https://karandeepsingh.ca/posts/config-templating-envsubst-to-go/2026-02-15T21:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/envsubst-jinja2-templating.jpgConfig Templating: From envsubst to GoLearn config templating step by step: start with envsubst for variable substitution, then build a Go multi-environment generator with conditionals and defaults.https://karandeepsingh.ca/tags/envsubst/2026-02-15T21:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/process-management-linux-to-go/2026-02-15T20:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/devops-trends.jpgProcess Management: From Linux Commands to a Go SupervisorLearn process management step by step: start with ps, kill, and systemctl, then build a Go supervisor that sends signals, manages children, and auto-restarts.https://karandeepsingh.ca/posts/sudo-mastery-and-best-practices/2026-02-15T19:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/sudo-mastery.jpgLinux Access Control: From sudo to a Go Security ScannerLearn Linux access control step by step: start with sudo and file permissions, then build a Go scanner that parses /etc/sudoers and flags dangerous configs.https://karandeepsingh.ca/categories/security/2026-02-15T19:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/security/2026-02-15T19:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/timezones-in-production-linux-to-go/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/time-change-bash.jpgTimezones in Production: From Linux Commands to GoLearn timezone handling step by step: start with date and timedatectl, then build a Go log timestamp normalizer, hit the DST bug, and add multi-zone monitoring.https://karandeepsingh.ca/posts/mastering-cpu-cores/2026-02-15T17:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/mastering-cpu-cores.jpgCPU Monitoring: From Linux Commands to a Go DashboardLearn CPU monitoring step by step: start with lscpu and nproc, then build a Go tool that reads /proc/stat, fixes the jiffies delta, and shows a live dashboard.https://karandeepsingh.ca/tags/monitoring-and-observability/2026-02-15T17:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/weird-unix-commands/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/weird-unix-commands.jpgUnix Power Tools Every DevOps Engineer Should KnowDiscover underrated Unix commands that solve real production problems: start with basic pipes, build up to xargs parallelism, then write a Go log monitor.https://karandeepsingh.ca/posts/go-nginx-reverse-proxy/2026-02-15T14:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/go-nginx-reverse-proxy.jpgGo + Nginx: Deploy a Go API Behind a Reverse ProxyPut a Go API behind Nginx step by step: start with a bare HTTP server, hit the port 80 problem, add a reverse proxy, restore the client IP, add rate limiting.https://karandeepsingh.ca/tags/networking/2026-02-15T14:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/containers-from-scratch-go/2026-02-14T14:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/containers-from-scratch-go.jpgContainers From Scratch in GoBuild a mini container runtime in Go using only the standard library. No Docker, just Linux namespaces, chroot, cgroups, and about 150 lines of Go code.https://karandeepsingh.ca/posts/go-sqs-message-queue/2026-02-14T13:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/go-sqs-message-queue.jpgGo + SQS: Build a Message Queue ProcessorBuild a Go app that sends and processes SQS messages: start with one message, hit the visibility timeout trap, add batching, and build a proper polling loop.https://karandeepsingh.ca/tags/serverless/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/sqs/2026-02-14T13:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/dynamodb/2026-02-14T12:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/go-dynamodb-crud/2026-02-14T12:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/go-dynamodb-crud.jpgGo + DynamoDB: Build a Simple CRUD AppBuild a Go CRUD app with DynamoDB from scratch: start with raw attribute maps, hit the verbosity wall, then upgrade to structs with Put, Get, Query, and Delete.https://karandeepsingh.ca/posts/go-aws-s3-cli-tool/2026-02-14T11:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/go-aws-s3-cli-tool.jpgBuild a Go CLI Tool for AWS S3Build a real S3 CLI tool with Go from scratch: start with a one-liner that lists buckets, then add uploads, downloads, presigned URLs, and concurrent transfers.https://karandeepsingh.ca/tags/s3/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/build-deploy-go-lambda-function/2026-02-14T10:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/build-deploy-go-lambda.jpgBuild and Deploy a Go Lambda FunctionA hands-on guide to building your first AWS Lambda function with Go: start with a basic handler, hit real errors, fix them, then add API Gateway step by step.https://karandeepsingh.ca/tags/lambda/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/jenkins-configuration-as-code-jcasc-guide/2026-02-14T02:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/jenkins-configuration-as-code.jpgJenkins Configuration as Code: The Definitive JCasC GuideMaster Jenkins Configuration as Code (JCasC) to automate CI/CD setup. Learn YAML-based config, Kubernetes integration, and production-ready best practices.https://karandeepsingh.ca/cheatsheets/2025-07-23T08:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/deploy-jenkins-eks-tutorial/2025-06-24T20:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/deploy-jenkins-eks.jpgDeploy Jenkins on Amazon EKS: A Practical TutorialComplete tutorial on deploying Jenkins to Amazon EKS. Learn what pods are, why deployments matter, and how to set everything up step by step.https://karandeepsingh.ca/tags/boto3/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/comprehensive-guide-to-jenkins-versions/2026-06-27T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/jenkins-versions.jpgJenkins LTS vs Weekly: Which Version Should You Use?Pick the right Jenkins version: LTS vs Weekly compared, version evolution, JVM compatibility (Java 8 to 25), and how to migrate major releases without breakage.https://karandeepsingh.ca/posts/linux-ls-command-comprehensive-guide/2025-03-10T14:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/linux-ls-command.jpgLinux ls Command: History, Tricks, and ExamplesThe definitive guide to the Linux ls command: its Unix origins, core options, task-based examples, quirky tricks, and a handy cheat sheet, all in one place.https://karandeepsingh.ca/tags/git/2025-02-25T00:00:00+00:00weekly0.5https://karandeepsingh.ca/tags/groovy/2025-02-25T00:00:00+00:00weekly0.5https://karandeepsingh.ca/posts/jenkins-userremoteconfig/2025-02-25T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/jenkins-git-config.jpgJenkins UserRemoteConfig: Dynamic Git in PipelinesMaster Jenkins UserRemoteConfig for dynamic Git repository management, with Groovy examples, security best practices, and real-world pipeline use cases.https://karandeepsingh.ca/posts/linux-automation-tools/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/linux-automation-tools.jpgLinux Automation Tools: From Cron to a Custom Go RunnerCompare the major Linux automation tools — cron, at, make, systemd timers — then build a custom Go task runner with scheduling, retries, and a status dashboard.https://karandeepsingh.ca/posts/deployment-automation-ssh-to-go/2025-02-01T02:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/nodejs-deployments-cicd.jpgDeployment Automation: From SSH Scripts to a Go Deploy ToolLearn deployment automation from scratch: start with SSH, rsync, and shell scripts, then build a Go tool with health checks, rollbacks, and parallel execution.https://karandeepsingh.ca/posts/sed-command-cheat-sheet-30-essential-one-liners/2026-07-16T00:00:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/sed-command-cheat-sheet-30-essential-one-liners-card.jpgSed Cheat Sheet: 30 One-Liners from Real Production LogsA working sed cheat sheet: 30 one-liners for logs and config files, covering substitution, deletion, line selection, and multiline patterns.https://karandeepsingh.ca/2026-05-04T00:00:00-07:00weekly1https://karandeepsingh.ca/posts/replace-text-multiple-files-sed-guide/2025-01-28T02:01:00+00:00weekly0.5https://karandeepsingh.ca/images/posts/replace-text-sed.jpgHow to Replace Text in Multiple Files with SedMaster replacing text across multiple files with sed. 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