March 2021 - Page 9 of 69

How to Set Up a Docker Swarm Cluster on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up a Docker Swarm Cluster on Oracle Linux 8

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying set up a docker swarm cluster on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up a Docker Swarm Cluster on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, […]

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How To Set Up the Eclipse Theia Cloud IDE Platform on CentOS 7 — step-by-step Docker tutorial on Progressive Robot

How To Set Up the Eclipse Theia Cloud IDE Platform on CentOS 7

Eclipse Theia is an extensible cloud IDE running on a remote server and accessible from a web browser. Visually, it’s designed to look and behave similarly to Microsoft Visual Studio Code. In this tutorial, you’ll deploy Eclipse Theia to your CentOS 7 server using Docker Compose, a container orchestration tool.

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Como Instalar o Servidor Web Apache no Debian 9 — step-by-step Linux tutorial on Progressive Robot

Como Instalar o Servidor Web Apache no Debian 9

O servidor HTTP Apache é o servidor Web mais amplamente usado no mundo. Ele fornece muitas características poderosas, incluindo módulos carregáveis dinamicamente, suporte robusto de mídia e uma integração extensa com outros softwares populares. Neste guia, vamos explicar como…

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Ubuntu 18.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — yara — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8080-1 Related CVEs: CVE-2018-19976 CVE-2017-9304 CVE-2018-19974 CVE-2017-8294 CVE-2018-12034 CVE-2017-8929 CVE-2021-45429 CVE-2017-11328  +9 more Upstream summary: Kamil Frankowicz discovered that a number of YARA's functions generated memory exceptions when processing specially […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2020-5996)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5996 Related CVEs: CVE-2020-8695 CVE-2020-25704 CVE-2020-27673 CVE-2020-25656 CVE-2020-28915 CVE-2020-25668 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How To Add Swap on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Add Swap on Ubuntu 14.04

Swap space can be used as an “overflow” area for your system when you run out of RAM. The operating system can store data that would normally be kept in RAM on the hard drive in a specially formatted file. In this guide, we’ll demonstrate how to create and use one of these files in Ubuntu 14.04.

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How to Install Ruby on Rails on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Ruby on Rails on Debian 9

Introduction How to Install Ruby on Rails 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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Oracle Linux 8 — go-toolset:ol8 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — security and stability fixes — required update (ELSA-2022-1819)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1819 Related CVEs: CVE-2021-38297 CVE-2021-41771 CVE-2022-23772 CVE-2022-23806 CVE-2021-41772 CVE-2021-39293 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Amazon Linux 2 — memcached — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — memcached — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2MEMCACHED1.5-2025-001 Related CVEs: CVE-2021-37519 CVE-2018-1000115 Upstream summary: Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file. (CVE-2021-37519) Table of contents […]

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