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How to Install and Secure phpMyAdmin on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Secure phpMyAdmin on Debian 9

Introduction How to Install and Secure phpMyAdmin 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. […]

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How to Configure ModSecurity WAF with Apache2 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure ModSecurity WAF with Apache2 on Debian 9

Introduction This guide explains how to Configure ModSecurity WAF with Apache2 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 […]

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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 Install PHP 7.0 with PHP-FPM on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install PHP 7.0 with PHP-FPM on Debian 9

Introduction Deploying install php 7.0 with php-fpm on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

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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 Set Up HAProxy Load Balancer on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up HAProxy Load Balancer on Debian 9

Introduction How to Set Up HAProxy Load Balancer 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 […]

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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 Install Lighttpd on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Lighttpd on Debian 9

Introduction This guide explains how to Install Lighttpd 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 standard repositories […]

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How to Set Up Nginx as a Reverse Proxy on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Nginx as a Reverse Proxy on Debian 9

Introduction Deploying set up nginx as a reverse proxy on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. […]

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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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