July 2021 - Page 54 of 69

Oracle Linux 8 — dotnet3.1 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet3.1 security and bugfix update (ELSA-2021-0095)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0095 Related CVEs: CVE-2021-1723 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Amazon Linux 2 — slapi-nis — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — slapi-nis — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1646 Related CVEs: CVE-2021-3480 Upstream summary: A flaw was found in slapi-nis. A NULL pointer dereference during the parsing of the Binding DN could allow an unauthenticated attacker to crash […]

Read more
Common Problems 119096

Ubuntu 14.04 LTS – LVM volumes fail to activate at boot – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 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 […]

Read more
Gentoo Linux — sys-apps/ipmitool — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/ipmitool — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202101-03 Related CVEs: CVE-2020-5208 Upstream summary: Multiple vulnerabilities have been discovered in ipmiool. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
co-managed IT support - co managed it support vs fully outsourced it a two meshed hubs sharing one core

Co-Managed IT Support vs Fully Outsourced IT: How to Choose

Co-managed IT support divides one IT function between your internal team and a provider; full outsourcing hands the whole thing over. This guide compares what each model actually covers, how the money behaves over three years, where security and compliance accountability lands, and the questions that separate a sound fit from an expensive mismatch — plus a practical framework for running the decision.

Read more
openSUSE Tumbleweed — SDL — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — SDL — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1218-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-33657 CVE-2019-13616 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575 CVE-2019-7577 CVE-2019-7578  +4 more Upstream summary: There is a heap overflow problem in video/SDL_pixels.c in SDL (Simple DirectMedia Layer) […]

Read more
Common Problems 117611

Ubuntu 20.04 LTS – PHP-FPM pool crashes under load with memory limit issues – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 20.04 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 […]

Read more
FreeBSD 13 — rubygem-dragonfly — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-dragonfly — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dragonfly — argument injection Related CVEs: CVE-2021-33564 Upstream summary: NVD reports: An argument injection vulnerability in the Dragonfly gem before 1.4.0 for Ruby allows remote attackers to read and write […]

Read more
Common Problems 113940

RHEL 10 – systemd service enters failed state after boot due to unit ordering – Fix & Prevention

🟠 High   ⏱ 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 […]

Read more
CHAT