Task Cheat Sheets

15 step-by-step guides for common tasks and operations.

15Guides

3Categories

Server Setup

New Server Hardening

beginner

First 10 minutes on a new server - essential security setup.

serverhardeningsecuritynew server

LAMP Stack Setup

beginner

Install and configure Linux, Apache, MySQL, PHP stack.

lampapachemysqlphp

LEMP Stack Setup

beginner

Install and configure Linux, Nginx, MySQL, PHP stack.

lempnginxmysqlphp

Docker Host Setup

intermediate

Set up a production-ready Docker host environment.

dockercontainersdocker hostproduction

Kubernetes Cluster Setup

advanced

Bootstrap a Kubernetes cluster with kubeadm.

kubernetesk8sclusterkubeadm

Troubleshooting

Network Debugging

intermediate

Diagnose connectivity, DNS, and firewall issues.

networktroubleshootingdnsconnectivity

Disk & Storage Issues

intermediate

Diagnose full disks, I/O problems, and mount issues.

diskstoragetroubleshootingio

Performance Problems

intermediate

Diagnose CPU, memory, and load issues.

performancecpumemoryload

Application Crashes

intermediate

Debug application crashes, logs, and stack traces.

applicationcrashdebugginglogs

Container Issues

intermediate

Debug Docker and Kubernetes container problems.

dockerkubernetescontainertroubleshooting

Daily Operations

Log Analysis

beginner

Search and analyze system and application logs.

logsanalysisgrepjournalctl

Backup Verification

beginner

Test and validate backup integrity.

backupverificationtestingdisaster recovery

Monitoring Checks

beginner

Daily health checks and alerting verification.

monitoringhealth checkalertingmetrics

Security Audit

intermediate

Daily security checks and audit routine.

securityauditdaily checkvulnerability

Deployment Checklist

intermediate

Pre and post deployment verification steps.

deploymentchecklistreleaseverification