IT, Cloud & DevOps Blog

Common Problems 124018

Oracle Linux 10 – systemctl daemon-reload required after unit drop-in but omitted – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 2026 Affected versions: Oracle Linux 10 📖 ~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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How to Install MariaDB on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install MariaDB on FreeBSD 15

Introduction Deploying install mariadb 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 + ports approach so […]

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SLES 15 — tiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — tiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:12265 (see also SUSE bugzilla) Related CVEs: CVE-2026-4775 CVE-2025-9900 CVE-2025-8176 CVE-2023-26965 CVE-2022-48281 CVE-2022-3970 CVE-2022-2519 CVE-2022-2521  +12 more Upstream summary: A flaw was found in the libtiff library. A remote attacker could exploit […]

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Amazon Linux 2 — golang — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — golang — multiple vulnerabilities (20 CVEs) — 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 ALAS2-2026-3259 Related CVEs: CVE-2026-27140 CVE-2026-27143 CVE-2026-27144 CVE-2026-32280 CVE-2026-32281 CVE-2026-32282 CVE-2026-32283 CVE-2026-32288  +12 more Upstream summary: SWIG file names containing 'cgo' and well-crafted payloads could lead to code smuggling and arbitrary […]

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SLES 15 — erlang — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — erlang — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 30 July 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:1356-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-32433 CVE-2022-37026 CVE-2026-21620 CVE-2026-28808 CVE-2025-48041 CVE-2025-30211 CVE-2026-23941 CVE-2026-23942  +6 more Upstream summary: Erlang/OTP is a set of libraries for the Erlang programming language. Prior to […]

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FreeBSD 15 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — tcpdump — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tcpdump — multiple vulnerabilities Related CVEs: CVE-2003-0989 CVE-2003-1029 CVE-2004-0057 CVE-2004-0183 CVE-2004-0184 CVE-2005-1267 CVE-2005-1278 CVE-2005-1279  +12 more Upstream summary: tcpdump developers report: Too many issues to detail, see CVE references for […]

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How to Configure NTP Time Synchronization on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Configure NTP Time Synchronization on FreeBSD 15

Introduction This guide explains how to Configure NTP Time Synchronization on FreeBSD 15 on FreeBSD 15. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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Data Engineering and Analytics as a Service platform

Data Engineering and Analytics as a Service: Build a Trusted Data Platform Without Building a Large Internal Team

Data Engineering and Analytics as a Service gives businesses ongoing access to the people, processes, and technology required to turn fragmented operational data into reliable reporting, forecasting, and decision support. Instead of hiring every data engineer, analytics engineer, platform specialist, and business intelligence developer internally, an organisation can use a managed service that builds and […]

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How to Set Up SLES 16 for SAP HANA — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Set Up SLES 16 for SAP HANA

Introduction This tutorial covers How to Set Up SLES 16 for SAP HANA on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Configure SLES for SAP zypper install -y patterns-sap-hana […]

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Common Problems 114027

RHEL 10 – Cockpit web console unavailable due to TLS certificate mismatch – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 29 July 2026 Affected versions: RHEL 10 📖 ~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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