Linux

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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CentOS Stream 9 — bluez — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — bluez — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 April 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:9413 Related CVEs: CVE-2023-27349 CVE-2023-44431 CVE-2023-45866 CVE-2023-50229 CVE-2023-50230 CVE-2023-51580 CVE-2023-51589 CVE-2023-51592  +2 more Upstream summary: The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, […]

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Amazon Linux 2 — util-linux — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — util-linux — multiple vulnerabilities (3 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 ALAS2-2022-1878 Related CVEs: CVE-2018-7738 CVE-2022-0563 CVE-2021-37600 Upstream summary: A command injection flaw was found in the way util-linux implements umount autocompletion in Bash. An attacker with the ability to mount […]

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Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk — vulnerability — patch and remediation guide (ELSA-2022-1442)

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1442 Related CVEs: CVE-2022-21496 CVE-2022-21434 CVE-2022-21426 CVE-2022-21443 CVE-2022-21476 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Oracle Linux 9 — golang — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — golang — vulnerability — patch and remediation guide (ELSA-2024-1963)

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-1963 Related CVEs: CVE-2023-45288 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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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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Oracle Linux 9 — open-vm-tools — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — open-vm-tools — vulnerability — patch and remediation guide (ELSA-2022-6358)

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6358 Related CVEs: CVE-2022-31676 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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SLES 12 — saphanabootstrap-formula — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — saphanabootstrap-formula — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:0009-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-45153 Upstream summary: An Incorrect Default Permissions vulnerability in saphanabootstrap-formula of SUSE Linux Enterprise Module for SAP Applications 15-SP1, SUSE Linux Enterprise Server for SAP […]

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An Introduction to DNS Terminology, Components, and Concepts — step-by-step Linux tutorial on Progressive Robot

An Introduction to DNS Terminology, Components, and Concepts

DNS, or the Domain Name System, is an integral part of how the internet functions today. However, the way that DNS works is often quite mysterious for new administrators. In this guide, we will discuss some of the common terminology and concepts that are involved in DNS configuration.

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Oracle Linux 9 — java-17-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-17-openjdk — security and stability fixes — required update (ELSA-2023-5753)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5753 Related CVEs: CVE-2023-22081 CVE-2023-22025 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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