ubuntu

Ubuntu 22.04 — ruby-image-processing — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby-image-processing — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6675-1 Related CVEs: CVE-2022-24720 Upstream summary: It was discovered that ImageProcessing incorrectly handled series of operations that are coming from unsanitised inputs. If a user or an automated system were […]

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Ubuntu 14.04 — lrzip — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — lrzip — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 April 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5840-1 Related CVEs: CVE-2018-5786 CVE-2020-25467 CVE-2021-27345 CVE-2021-27347 CVE-2022-26291 CVE-2022-28044 CVE-2017-8844 CVE-2017-8846  +7 more Upstream summary: It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an […]

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Ubuntu 22.04 — etcd — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — etcd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6189-1 Related CVEs: CVE-2021-28235 Upstream summary: It was discovered that etcd leaked credentials when debugging was enabled. This allowed remote attackers to discover etcd authentication credentials and possibly escalate privileges […]

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Como instalar o Nginx no Ubuntu 18.04 [Início rápido] — step-by-step Linux tutorial on Progressive Robot

Como instalar o Nginx no Ubuntu 18.04 [Início rápido]

O Nginx é um dos servidores Web mais populares no mundo e é responsável por hospedar alguns dos sites de maior tráfego na Internet. Ele é mais amigável do que o Apache em termos de recursos na maioria dos casos e pode ser usado como um servidor Web ou como proxy…

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Common Problems 117944

Ubuntu 18.04 drops to GRUB rescue prompt

🟡 Medium   ⏱ 5–30 min  Last verified: 21 April 2023 📖 ~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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Ubuntu 22.04 — h2o — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — h2o — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 April 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7892-1 Related CVEs: CVE-2023-44487 Upstream summary: It was discovered that H2O exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use this issue to cause H2O […]

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Cara Menginstal WordPress di Ubuntu 20.04 dengan Tumpukan LAMP — step-by-step Linux tutorial on Progressive Robot

Cara Menginstal WordPress di Ubuntu 20.04 dengan Tumpukan LAMP

WordPress adalah teknologi sumber terbuka yang sangat populer dan situs WordPress mencakup 36% dari semua situs web yang kini online. Tutorial ini dimaksudkan untuk mereka yang terbiasa dengan administrasi sistem atau yang tertarik mempelajari cara mengelola instans WordPress sendiri di sisi server. Dalam panduan ini, kita akan menginstal dan menyiapkan WordPress melalui LAMP di server Linux Ubuntu 20.04.

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Ubuntu 16.04 — twig — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — twig — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 April 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5947-1 Related CVEs: CVE-2019-9942 CVE-2022-23614 CVE-2022-39261 Upstream summary: Fabien Potencier discovered that Twig was not properly enforcing sandbox policies when dealing with objects automatically cast to strings by PHP. An […]

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Common Problems 118460

Ubuntu 16.04 high CPU usage from desktop processes

🟡 Medium   ⏱ 5–30 min  Last verified: 19 April 2023 📖 ~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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