Skill UI

Implement comprehensive automated database backup strategies for PostgreSQL, MySQL, and MongoDB. Configure retention policies, schedule backups using cron or systemd, and upload to S3-compatible storage. Includes scripts for logical and physical backups, point-in-time recovery, and disaster recovery testing. Essential for DevOps and database administration roles to ensure data safety and business continuity.

Master core Linux administration tasks including package management, process control, filesystem handling, and scheduling. Essential for managing production servers, troubleshooting system issues, and maintaining infrastructure across Debian and RHEL distributions.

This skill provides production-ready shell script templates for common Linux system administration tasks such as backups, monitoring, user management, and log analysis. It serves as a foundation for security operations and penetration testing environments, requiring basic bash knowledge and appropriate system permissions.

Administer, optimize, and secure MongoDB NoSQL databases in development and production. Covers installation, user setup, CRUD operations, indexing, aggregation pipelines, replica sets, and backup/restore.

Administer and optimize MySQL/MariaDB databases in production environments. Covers installation, configuration tuning, security hardening, backup strategies using mysqldump or XtraBackup, and source-replica replication setup. Essential for managing relational database deployments and ensuring high availability.

Manage and deploy applications on Red Hat OpenShift Container Platform. This skill covers cluster administration, project management, RBAC, and deployment strategies including S2I builds and Operators. Users will learn to use the oc CLI for authentication, creating routes, managing image streams, and configuring deployment configs for containerized workloads in enterprise environments.

Administer, optimize, and secure PostgreSQL databases in development and production environments. Covers installation, configuration tuning, backups, streaming replication, and security best practices.

Practical IT troubleshooting runbooks for startups and small teams without dedicated IT staff. Covers SSO lockouts, network issues, laptop performance, and macOS administration with copy-paste commands.

Administer Windows Server systems including IIS web hosting, Active Directory, and PowerShell automation. Use for provisioning, configuring, and maintaining Windows Server 2019/2022 environments.