Install Jenkins – Ubuntu, CentOS

What is Jenkins? Jenkins is a well-known open source CI/CD (Continuous Integration and Continuous Delivery) automation server written in Java. In this tutorial i will show how to install Jenkins on Ubuntu-18.04, 16.04 and Centos-7, 6 and how to perform initial Jenkins configuration. Jenkins requires Java, so firstly it needs to install OpenJDK-8 JRE/JDK (Java […]

Prometheus: Apache Exporter – Install and Config – Ubuntu, CentOS

What is Apache Exporter? Apache Exporter is a Prometheus exporter for Apache metrics that exports Apache server status reports generated by mod_status with the URL of http://127.0.0.1/server-status/?auto. In this article I’ll show how create Apache server status page, how to build Apache Exporter with go get and how to configure it using a systemd service […]

Vagrant: Copy File ( To | From ) – ( Host | Guest VM ) – Vagrant SCP

Very common situation when you need to perform one-time operation of copying some file or a directory between Vagrant host and guest VM and you don’t want to waste time on mounting shared volumes or performing traditional provisioning with built-in file provisioner or some configuration management tool. In the following article i will show the […]

Prometheus: Node Exporter – Install and Config – Ubuntu, CentOS

What is Node Exporter? Node Exporter is a Prometheus exporter for hardware and OS metrics with pluggable metric collectors. It allows to measure various machine resources such as memory, disk and CPU utilization. In this article I’ll show how to install and configure Node Exporter on Ubuntu and CentOS using a systemd service manager.

Prometheus Monitoring: Install using Docker – Ubuntu, CentOS

What is Prometheus? Prometheus is an open-source monitoring and alerting software written in Go. It collects metrics from configured targets and stores them in a local time series database. Prometheus can run rules over collected data to either aggregate and record new time series from existing data or generate alerts. To visualize the collected data […]

Install Docker Compose – Ubuntu, CentOS, MacOS

What is Docker Compose? The docker-compose is a tool for defining and running complex multi-container Docker applications. With docker-compose you can define a multi-container application in a single file, then spin your application up in a single command which does everything that needs to be done to get it running. In this note i’ll show […]