June 2020 - Page 29 of 66

Ubuntu 18.04 — mercurial — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — mercurial — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5102-1 Related CVEs: CVE-2018-17983 CVE-2019-3902 Upstream summary: It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this issue to write arbitrary files to the target’s filesystem. […]

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Como Instalar e Usar o Docker no CentOS 7 — step-by-step Docker tutorial on Progressive Robot

Como Instalar e Usar o Docker no CentOS 7

O Docker é um aplicativo que torna simples e fácil executar processos de aplicações em um container, que são como máquinas virtuais, apenas mais portáveis, mais fáceis de usar e mais dependentes do sistema operacional do host. Para uma introdução detalhada aos diferentes…

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Ubuntu 14.04 — libjpeg-turbo — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libjpeg-turbo — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5553-1 Related CVEs: CVE-2018-11813 CVE-2018-14498 CVE-2020-14152 CVE-2020-17541 CVE-2020-13790 CVE-2014-9092 CVE-2016-3616 CVE-2017-15232  +4 more Upstream summary: It was discovered that libjpeg-turbo was not properly handling EOF characters, which could lead to […]

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How to Configure Redis Cluster and Sentinel on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Redis Cluster and Sentinel on RHEL 9

A single Redis instance has two failure modes: if the server goes down, all cached data is lost and every request hits the origin database; and if the dataset grows beyond a single server’s RAM, there’s no built-in way to distribute it. Redis provides two solutions: Redis Sentinel for high availability (automatic failover with a […]

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openSUSE Tumbleweed — soundtouch — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — soundtouch — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:3106-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000223 CVE-2018-17096 CVE-2018-17097 CVE-2018-17098 Upstream summary: soundtouch version up to and including 2.0.0 contains a Buffer Overflow vulnerability in SoundStretch/WavFile.cpp:WavInFile::readHeaderBlock() that can result in arbitrary […]

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Common Problems 122165

OpenVPN Tunnel Interface Does Not Come Up

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: FreeBSD 15 📖 ~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 117948

Ubuntu 18.04 LTS – cloud-init overrides static networking unexpectedly – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 18.04 LTS 📖 ~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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