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How To Install Linux, Nginx, MySQL, PHP (LEMP) stack On CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Install Linux, Nginx, MySQL, PHP (LEMP) stack On CentOS 7

In this guide, we’ll get a LEMP stack installed on an CentOS 7 server. A LEMP software stack is a group of open source software that is typically installed together to enable a server to host dynamic websites and web apps. This term is actually an acronym which represents the Linux operating system, with the ENginx web server (which replaces the Apache component of a LAMP stack). The site data is stored in a MySQL database (using MariaDB), and dynamic content is processed by PHP.

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Debian 9 — vlc — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — vlc — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 September 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9300 CVE-2017-17670 CVE-2018-11529 CVE-2018-19857 CVE-2019-5439 CVE-2019-13602 CVE-2020-6071 CVE-2020-13428 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix […]

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How To Configure Apache Content Caching on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Configure Apache Content Caching on CentOS 7

Caching is a method of improving server performance by allowing commonly requested content to be temporarily stored in a way that allows for faster access. This speeds up processing and delivery by cutting out some resource intensive operations. By creating effective…

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How to Install and Configure RabbitMQ on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Configure RabbitMQ on RHEL 7

How to Install and Configure RabbitMQ on RHEL 7 RabbitMQ is one of the most widely deployed open-source message brokers in the world. It implements the Advanced Message Queuing Protocol (AMQP) and provides reliable message delivery, flexible routing, and support for multiple messaging patterns including work queues, publish/subscribe, and request/reply. Applications use RabbitMQ to decouple […]

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Common Problems 121011

Systemd Journal Grows Unbounded

🟡 Medium   ⏱ 5–30 min  Last verified: 13 September 2020 Affected versions: Debian 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Common Problems 114915

systemd Service Fails to Start on Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 13 September 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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How to Configure DNS Resolution on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure DNS Resolution on SLES 12

Introduction This tutorial covers How to Configure DNS Resolution on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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