September 2020 - Page 55 of 66

How to Set Up Cron Jobs and Scheduled Tasks on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Cron Jobs and Scheduled Tasks on Debian 9

Introduction This guide explains how to Set Up Cron Jobs and Scheduled Tasks 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 […]

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Kafka Migration and Event Streaming — step-by-step DevOps tutorial on Progressive Robot

Kafka Migration and Event Streaming

URL: https://www.progressiverobot.com/kafka-migration-and-event-streaming/ Introduction Apache Kafka is an open-source distributed event and stream-processing platform written in Java, built to process demanding real-time data feeds. It is inherently scalable, with high throughput and availability. It can scale from a single-node cluster for testing to hundreds of nodes in production to serve large amounts of data. When expanding […]

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Использование расширения PDO PHP для выполнения транзакций MySQL на PHP в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Использование расширения PDO PHP для выполнения транзакций MySQL на PHP в Ubuntu 18.04

Автор выбрал организацию Open Sourcing Mental Illness для получения пожертвований в рамках программы Write for DOnations. Транзакция MySQL представляет собой группу логически связанных команд SQL,…

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How To Test Your Ansible Deployment with InSpec and Kitchen — step-by-step Devops tutorial on Progressive Robot

How To Test Your Ansible Deployment with InSpec and Kitchen

InSpec is an open-source auditing and automated testing framework used to describe and test for regulatory concerns, recommendations, or requirements. It is designed to be human-readable and platform-agnostic. In this tutorial, you’ll write tests for your Ansible playbooks running on a the cloud provider Ubuntu 18.04 Droplet. You’ll use Kitchen as the test-runner and InSpec for writing the tests. By the end of this tutorial, you’ll be able to test your Ansible playbook deployment.

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Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2020-1688)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1688 Related CVEs: CVE-2019-14973 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How To Install Ruby on Rails with rbenv on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Ruby on Rails with rbenv on Ubuntu 14.04

Ruby on Rails is an extremely popular open-source web framework that provides a great way to write web applications with Ruby. This tutorial will show you how to install Ruby on Rails on Ubuntu 14.04, using rbenv. This will provide you with a solid environment for…

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How to Set Up Bash Aliases and Environment Variables on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Bash Aliases and Environment Variables on Debian 10

Introduction How to Set Up Bash Aliases and Environment Variables on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 […]

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