Linux

How To Manage Replicas and Clients in Redis — step-by-step Linux tutorial on Progressive Robot

How To Manage Replicas and Clients in Redis

One Redis’s most sought-after features is its support for replication: any Redis server can replicate its data to any number of replicas, allowing for high read scalability and strong data redundancy. Additionally, Redis was designed to allow many clients (up to 10000, by default) to connect and interact with data, making it a good choice for cases where many users need access to the same dataset. This tutorial goes over the commands used to manage Redis clients and replicas.

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

Oracle Linux 8 — vim — vulnerability — patch and remediation guide (ELSA-2021-4517)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4517 Related CVEs: CVE-2021-3778 CVE-2021-3796 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Linux、Nginx、MySQL、PHP(LEMP)スタックをUbuntu 20.04にインストールする方法 — step-by-step Linux tutorial on Progressive Robot

Linux、Nginx、MySQL、PHP(LEMP)スタックをUbuntu 20.04にインストールする方法

LEMPソフトウェアスタックは、PHPで記述された動的WebページとWebアプリケーションの提供に使用できるソフトウェアのグループです。これは、Nginx(「 Engine-X」と発音)Webサーバーを備えたL inuxオペレーティングシステムを表す頭字語です。バックエンドデータはMySQLデータベースに保存されており、動的コンテンツはPHPが処理を行います。このガイドでは、Ubuntu 20.04サーバーにLEMPスタックをセットアップします。

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

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2020-0919)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0919 Related CVEs: CVE-2020-6814 CVE-2020-6806 CVE-2020-6807 CVE-2020-6811 CVE-2020-6805 CVE-2020-6812 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

Oracle Linux 8 — haproxy — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1288 Related CVEs: CVE-2020-11100 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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Alpine Linux edge — gnome-autoar — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — gnome-autoar — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.3.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gnome-autoar 0.3.1-r0 Related CVEs: CVE-2021-28650 CVE-2020-36241 Upstream summary: Alpine community repository for vedge ships gnome-autoar 0.3.1-r0 which addresses CVE-2021-28650. Table of contents Symptom & Impact […]

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Oracle Linux 8 — rust-toolset:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — rust-toolset:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-1894)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1894 Related CVEs: CVE-2022-21658 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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Arch Linux — dino — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — dino — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-35 Related CVEs: CVE-2021-33896 Upstream summary: Type: directory traversal. Status: Fixed. Affected: 0.2.0-3. Fixed in: 0.2.1-1. Group: AVG-2043. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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