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How to Deploy Applications with Helm on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Deploy Applications with Helm on SLES 16

Introduction This tutorial covers How to Deploy Applications with Helm on SLES 16 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. Prerequisites Ensure your SLES 16 system is up to date: zypper […]

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How to Monitor Nginx with Prometheus nginx-exporter on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Monitor Nginx with Prometheus nginx-exporter on RHEL 9

Prometheus is a time-series metrics collection and alerting system widely used for monitoring cloud infrastructure and web servers. The nginx-prometheus-exporter (nginx-exporter) is a lightweight Go binary that reads Nginx’s built-in stub_status page and exposes the metrics in Prometheus format — active connections, total requests, connection states (reading, writing, waiting), and request rate. Combined with Grafana […]

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Debian 13 — libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12290 CVE-2019-18224 Upstream summary: GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible […]

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

How to Set Up TimescaleDB on SLES 16

Introduction This tutorial covers How to Set Up TimescaleDB on SLES 16 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. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh […]

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Debian 13 — gawk — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gawk — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-4156 Upstream summary: A heap out-of-bounds read flaw was found in builtin.c in the gawk package. This issue may lead to a crash and could be used to read […]

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How to Harden Nginx: Security Headers, TLS 1.3, OCSP Stapling on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Harden Nginx: Security Headers, TLS 1.3, OCSP Stapling on RHEL 9

A default Nginx installation serves content, but many security hardening steps are not enabled by default. Hardening Nginx means configuring HTTP security headers to prevent XSS, clickjacking, and MIME sniffing attacks; enforcing TLS 1.3 and strong cipher suites to eliminate outdated protocol vulnerabilities; enabling OCSP Stapling so clients can verify certificate validity without a round-trip […]

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Rocky Linux 9 — fontforge — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — fontforge — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:6628 Related CVEs: CVE-2025-15270 CVE-2025-15269 CVE-2025-15275 CVE-2025-15279 Upstream summary: FontForge is a font editor for outline and bitmap fonts. It supports a range of font formats, including PostScript (ASCII and […]

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Debian 13 — gnulib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gnulib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-5155 CVE-2018-17942 Upstream summary: In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of […]

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How to Configure Apache as a Reverse Proxy on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure Apache as a Reverse Proxy on SLES 16

Introduction This tutorial covers How to Configure Apache as a Reverse Proxy on SLES 16 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. Prerequisites Ensure your SLES 16 system is up to […]

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Alpine Linux 3.20 — fdkaac — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — fdkaac — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.0.3-r0 📖 ~4 min read  •  Source: Alpine secdb entry — fdkaac 1.0.3-r0 Related CVEs: CVE-2022-36148 CVE-2022-37781 Upstream summary: Alpine community repository for vv3.20 ships fdkaac 1.0.3-r0 which addresses CVE-2022-36148. Table of contents Symptom & Impact […]

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