May 2020 - Page 27 of 69

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

Oracle Linux 8 — sudo — vulnerability — patch and remediation guide (ELSA-2019-3694)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3694 Related CVEs: CVE-2019-14287 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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How to Set Up Software RAID with mdadm on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Set Up Software RAID with mdadm on RHEL 8

Software RAID using mdadm provides redundant disk storage without requiring a hardware RAID controller, making it ideal for cost-effective high-availability storage on RHEL 8. RAID 1 (mirroring) writes identical data to two disks simultaneously; if one disk fails, the other continues serving data without interruption and the array can be rebuilt onto a replacement drive. […]

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How To Implement Continuous Testing of Ansible Roles Using Molecule and Travis CI on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Implement Continuous Testing of Ansible Roles Using Molecule and Travis CI on Ubuntu 18.04

Molecule is a tool for performing automated testing of Ansible roles. Travis CI is a continuous integration tool that allows for tests to run continuously to ensure contributions to your code do not introduce breaking changes. In this tutorial, you will configure a pre-made base role, initialize a Molecule scenario to test your role, and set up Travis CI to continuously run your tests against changes to your role.

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Common Problems 118980

Ubuntu 14.04 LTS RAID Degraded After Unexpected Reboot

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 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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FreeBSD 12 — netdata — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — netdata — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: netdata — multiple vulnerabilities with streaming Upstream summary: Netdata reports: GHSA-xg38-3vmw-2978: Netdata Streaming Alert Command Injection GHSA-jx85-39cw-66f2: Netdata Streaming Authentication Bypass Table of contents Symptom & Impact Environment & Reproduction […]

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Common Problems 113964

RHEL 10 – firewalld Rules Not Persisting Across Reload – Policy Repair

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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FreeBSD 12 — ghostscript9-agpl-nox — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ghostscript9-agpl-nox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ghostscript — denial of service (crash) via crafted Postscript files Related CVEs: CVE-2015-3228 Upstream summary: MITRE reports: Integer overflow in the gs_heap_alloc_bytes function in base/gsmalloc.c in Ghostscript 9.15 and earlier […]

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Использование SFTP для безопасной передачи файлов с удаленного сервера — step-by-step Linux tutorial on Progressive Robot

Использование SFTP для безопасной передачи файлов с удаленного сервера

SFTP — это безопасный способ передачи файлов между локальным и удаленным серверами. Будучи значительно более безопасным, чем FTP, данный протокол использует туннель SSH для установления подключения и использует шифрование для передачи файлов в рамках интерактивного сеанса.

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7405-1 Related CVEs: CVE-2016-7142 CVE-2019-20917 CVE-2020-25269 Upstream summary: It was discovered that InspIRCd did not correctly handle certificate fingerprints, which could lead to spoofing. A remote attacker could possibly use […]

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