Database

How to Secure MySQL on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Secure MySQL on RHEL 7

How to Secure MySQL on RHEL 7 A default MySQL installation leaves several security gaps that can expose your databases to unauthorized access, data theft, or privilege escalation. On Red Hat Enterprise Linux 7, taking deliberate steps to harden MySQL immediately after installation is essential for any production or internet-facing system. This guide walks through […]

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How to Set Up MariaDB Replication on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up MariaDB Replication on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up mariadb replication on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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How to Secure the MariaDB Installation on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Secure the MariaDB Installation on Debian 9

Introduction This guide explains how to Secure the MariaDB Installation on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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How to Install MariaDB on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install MariaDB on Debian 9 (DEBIAN-9-2)

Introduction How to Install MariaDB on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This tutorial […]

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How to Install pgAdmin 4 on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install pgAdmin 4 on RHEL 7

How to Install pgAdmin 4 on RHEL 7 pgAdmin 4 is the leading open-source administration and management tool for PostgreSQL databases. It provides a feature-rich web-based interface for browsing database objects, running SQL queries, monitoring server activity, managing roles and tablespaces, and much more. Unlike pgAdmin 3 which was a native desktop application, pgAdmin 4 […]

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How to Back Up and Restore MySQL Databases with mysqldump on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Back Up and Restore MySQL Databases with mysqldump on RHEL 7

How to Back Up and Restore MySQL Databases with mysqldump on RHEL 7 Regular database backups are the single most important operational task for any MySQL administrator. mysqldump is the built-in logical backup utility that ships with every MySQL and MariaDB installation — it produces plain-text SQL files that can be compressed, transferred off-site, and […]

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How to Configure MySQL Group Replication on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure MySQL Group Replication on RHEL 7

How to Configure MySQL Group Replication on RHEL 7 MySQL Group Replication, introduced in MySQL 5.7.17, is a plugin-based high-availability mechanism that enables a set of MySQL servers to form a replication group where all writes are coordinated through a distributed consensus algorithm (Paxos-based). Unlike classic primary-replica replication, Group Replication provides built-in automatic failover: if […]

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How to Configure MySQL Primary-Replica Replication on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure MySQL Primary-Replica Replication on RHEL 7

How to Configure MySQL Primary-Replica Replication on RHEL 7 MySQL replication allows data written to one server (the primary, formerly called master) to be automatically copied to one or more other servers (replicas, formerly called slaves). This is one of the most widely deployed MySQL high-availability techniques: it provides read-scale-out by offloading SELECT queries to […]

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How to Install phpMyAdmin on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install phpMyAdmin on RHEL 7

How to Install phpMyAdmin on RHEL 7 phpMyAdmin is a free, open-source web-based tool for administering MySQL and MariaDB databases through a browser interface. Rather than relying on the command line for every operation, phpMyAdmin lets you browse tables, run queries, manage users, import and export data, and monitor server status with a point-and-click UI. […]

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How to Install Redis on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Redis on RHEL 7

How to Install Redis on RHEL 7 Redis is an open-source, in-memory data structure store used as a database, cache, message broker, and streaming engine. Its sub-millisecond response times make it the go-to solution for session caching, real-time leaderboards, pub/sub messaging, and rate limiting in high-performance web applications. On RHEL 7, Redis is available through […]

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