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Oracle Database on OCI Setup (Step-by-Step Guide)

Apr 14, 2026 Mariusz Antonik Automation 4 min read

Setting up an Oracle database on OCI involves more than just launching a DB system. This guide explains how to design networking, security, and database configuration the right way from the start. Learn practical steps to build a secure and scalable OCI database environment. Avoid common mistakes that can cause issues later.

#create oracle db system in oci #oci oracle database private subnet setup #oci oracle database tutorial #oci virtual machine db system guide #oracle base database service tutorial #oracle database on oci setup

MySQL Performance Degradation: What It Looks Like Over Time

Apr 14, 2026 Mariusz Antonik Database 3 min read

MySQL performance degradation rarely happens suddenly—it builds slowly over time. This article explains how to identify early warning signs through trend monitoring, why traditional alerts fail, and what metrics actually matter. Learn how to detect slow performance before it impacts users. Discover practical ways to stay ahead of database issues.

#database performance #infrastructure monitoring #MySQL monitoring #mysql performance degradation #mysql performance trends #mysql slow queries

Linux Monitoring Without Prometheus

Apr 12, 2026 Mariusz Antonik Infrastructure Monitoring 4 min read

Not every Linux environment needs a full Prometheus stack. This article explains how to build a lightweight monitoring setup using native tools, scripts, and simple alerts. Learn how to track essential metrics without adding unnecessary complexity. A practical approach for small teams and OCI deployments.

#infrastructure monitoring #lightweight monitoring #linux administration #Linux monitoring #server monitoring

Infrastructure Health Dashboards: How to See Problems Before They Alert

Apr 12, 2026 Mariusz Antonik General 4 min read

Most monitoring systems tell you when something is already broken—but that’s often too late. Infrastructure health dashboards shift the focus toward trends, helping you see slow degradation before it becomes an outage. This article walks through how these dashboards work, why they matter, and how to use them in real environments. If you manage servers, databases, or small infrastructure stacks, this approach can dramatically improve your visibility.

#health dashboards #infrastructure monitoring #linux servers #MySQL monitoring #Server Performance

Easy Infrastructure Monitoring That Actually Works

Apr 11, 2026 Mariusz Antonik Infrastructure Monitoring 4 min read

Infrastructure monitoring doesn’t need to be complex to be effective. This article explains how to build a simple, reliable monitoring system that focuses on what truly matters. Learn how to reduce alert noise, track essential metrics, and maintain visibility without overengineering your setup.

#easy infrastructure monitoring #low maintenance monitoring #monitoring without complexity #practical server monitoring #simple monitoring system #simple ops monitoring

OCI Network Security Lists vs NSGs: Key Differences Explained

Apr 11, 2026 Mariusz Antonik General 4 min read

Understanding the difference between Security Lists and Network Security Groups (NSGs) in Oracle Cloud is critical for building secure infrastructure. This article breaks down how each works, where they apply, and when to use them in real deployments. You’ll also see practical examples and common mistakes to avoid. If you're designing OCI networking, this guide will help you make the right choice.

#nsg #oci networking #oracle-cloud #Security #security lists

Oracle Cloud Bastion Setup: Secure Access to Private Instances

Apr 11, 2026 Mariusz Antonik Database 4 min read

Setting up secure access to private instances in Oracle Cloud can be confusing without the right approach. This guide walks through how OCI Bastion works and how to configure it properly. You’ll learn how to avoid exposing servers to the internet while still maintaining easy access. It’s a practical walkthrough designed for real-world OCI environments.

#oci bastion tutorial #oci security #oracle cloud bastion #private instance access #ssh bastion

How to Prevent Disk Full Outages on Servers

Apr 11, 2026 Mariusz Antonik Server Health 3 min read

Disk full outages don’t happen instantly—they build up over time through unnoticed growth. This article explains how to detect disk usage trends early and avoid unexpected downtime. Learn practical techniques to identify storage issues before they become critical. A simple shift from alerts to trend visibility can prevent major incidents.

#Disk Monitoring #Early Detection #infrastructure #linux storage #server health

Oracle Cloud Infrastructure Tutorial (Step-by-Step Setup Guide)

Apr 11, 2026 Mariusz Antonik Oracle Cloud (OCI) 4 min read

This Oracle Cloud Infrastructure tutorial walks you through the essential setup steps needed to build a clean, secure environment from scratch. It explains core concepts like VCNs, subnets, and gateways in a practical way. You’ll also learn how to structure your network and avoid common beginner mistakes. Ideal for anyone starting with OCI and looking for a reliable foundation.

#oci setup guide #oci tutorial for beginners #oracle cloud free tier tutorial #oracle cloud infrastructure step by step #oracle cloud infrastructure tutorial

MySQL Trend Monitoring for Early Performance Detection

Apr 11, 2026 Mariusz Antonik Database 3 min read

MySQL performance issues rarely happen suddenly—they build gradually over time. This article explains how mysql trend monitoring helps you detect early signs of degradation before they impact users. Learn which metrics matter and how to track them effectively without complex tools. A practical guide for small teams managing real production databases.

#database performance #infrastructure health #MySQL monitoring #mysql optimization #performance trends

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