Cpu Memory

How to Install and Configure InfluxDB on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure InfluxDB on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install and configure influxdb 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 […]

Read more
How to Set Up MongoDB Replica Set on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up MongoDB Replica Set on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up mongodb replica set 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 […]

Read more
How to Install ClickHouse Columnar Database on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install ClickHouse Columnar Database on RHEL 7

How to Install ClickHouse Columnar Database on RHEL 7 ClickHouse is an open-source columnar database management system developed by Yandex, designed specifically for online analytical processing (OLAP) workloads. Unlike traditional row-oriented databases, ClickHouse stores data by column, enabling it to read only the columns needed for a query and compress similar data together — resulting […]

Read more
How to Configure Redis Cluster and Sentinel on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure Redis Cluster and Sentinel on RHEL 7

How to Configure Redis Cluster and Sentinel on RHEL 7 Redis is an in-memory data structure store used as a database, cache, and message broker. For production environments requiring high availability and horizontal scalability, Redis offers two complementary mechanisms: Redis Cluster for automatic data sharding across multiple nodes, and Redis Sentinel for automatic failover of […]

Read more
How to Configure Redis Sentinel on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Redis Sentinel on Debian 9

Introduction How to Configure Redis Sentinel 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 […]

Read more
How to Install Elasticsearch on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Elasticsearch on RHEL 7

How to Install Elasticsearch on RHEL 7 Elasticsearch is a distributed, RESTful search and analytics engine built on Apache Lucene. It is widely used for full-text search, log aggregation, and real-time data analysis. This guide walks you through installing and configuring Elasticsearch on Red Hat Enterprise Linux 7, including repository setup, basic cluster configuration, JVM […]

Read more
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 […]

Read more
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 […]

Read more
How to Configure Nginx as a Reverse Proxy for Apache2 on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Nginx as a Reverse Proxy for Apache2 on Debian 9

Introduction Deploying configure nginx as a reverse proxy for apache2 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 […]

Read more
How to Enable OCSP Stapling on Nginx on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Enable OCSP Stapling on Nginx on Debian 9

Introduction This guide explains how to Enable OCSP Stapling on Nginx 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 […]

Read more
CHAT