IT, Cloud & DevOps Blog

Ubuntu 24.04 — gnutls28 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• May 1, 2026
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 1 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8284-1 Related CVEs: CVE-2026-3832 CVE-2026-5260 CVE-2026-33846 CVE-2026-3833 CVE-2026-42012 CVE-2026-42014 CVE-2026-5419 CVE-2026-33845  +12 more Upstream summary: Joshua Rogers discovered that GnuTLS did not properly handle malformed DTLS handshake fragments in certain […]

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How to Configure Rate Limiting in Nginx on FreeBSD 15

• May 1, 2026
• FreeBSD
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Introduction Deploying configure rate limiting in nginx on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base + […]

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Rocky Linux 8 — container-selinux — multiple vulnerabilities (20 CVEs) — patch and remediation guide

• May 1, 2026
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:4672 Related CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-68121 CVE-2024-24785 CVE-2025-61729 CVE-2025-65637 CVE-2025-47913 CVE-2025-52881  +12 more Upstream summary: The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. […]

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IT KPIs: 5 Essential Metrics for Smarter Decisions

• May 1, 2026
• Artificial Intelligence
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IT KPIs help leaders connect service reliability, incident response, delivery quality, spending, automation, and strategic business decisions.

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IT Consulting: 7 Proven Ways to Speed Digital ROI

• May 1, 2026
• Artificial Intelligence
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IT consulting helps organizations accelerate digital transformation, reduce delivery risk, modernize systems, and turn technology investments into measurable ROI.

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Identity-Aware Access: 7 Secure Steps Beyond VPN

• May 1, 2026
• Artificial Intelligence
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Identity-aware access helps enterprises move beyond legacy VPN tunnels with zero trust policies, device posture, app-level controls, and safer migration steps.

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Continuous Exposure Management: 7 Reasons Scans Aren’t Enough

• May 1, 2026
• Artificial Intelligence
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Continuous Exposure Management replaces periodic vulnerability scans with always-on attack surface visibility, business risk context, validation, and mobilized fixes.

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RHEL 10 – firewalld port opens temporarily but closes after reboot – Fix & Prevention

• April 30, 2026
• Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 30 April 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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Ubuntu 26.04 LTS – SSH service fails to start after configuration change – Fix & Prevention

• April 30, 2026
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 April 2026 Affected versions: Ubuntu 26.04 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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Ubuntu 26.04 LTS – apt lock prevents installs and updates – Fix & Prevention

• April 30, 2026
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 30 April 2026 Affected versions: Ubuntu 26.04 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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