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

How to Set Up a Flask Application on SLES 16

Introduction This tutorial covers How to Set Up a Flask Application 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: […]

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How to Install and Configure OpenLiteSpeed Web Server on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure OpenLiteSpeed Web Server on RHEL 9

OpenLiteSpeed (OLS) is the open-source version of LiteSpeed Web Server — one of the highest-performance HTTP servers available, purpose-built for serving PHP applications. OpenLiteSpeed uses an event-driven architecture similar to Nginx but includes a built-in PHP engine (LSAPI) that processes PHP requests 3–5x faster than PHP-FPM behind Nginx, eliminating the socket overhead of the FastCGI […]

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Debian 13 — needrestart — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — needrestart — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟔 Medium   ā± 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) šŸ“– ~4 min read  ā€¢  Source: Debian Security Tracker Related CVEs: CVE-2022-30688 CVE-2024-11003 CVE-2024-48990 CVE-2024-48991 CVE-2024-48992 Upstream summary: needrestart 0.8 through 3.5 before 3.6 is prone to local privilege escalation. Regexes to detect the Perl, Python, and Ruby interpreters […]

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Debian 11 — icingaweb2-module-pdfexport — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — icingaweb2-module-pdfexport — vulnerability — patch and remediation guide

🟢 Low   ā± 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) šŸ“– ~4 min read  ā€¢  Source: Debian Security Tracker Related CVEs: CVE-2025-54869 Upstream summary: FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 […]

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

How to Set Up Magento on SLES 16

Introduction This tutorial covers How to Set Up Magento 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 — graphite-web — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — graphite-web — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟔 Medium   ā± 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) šŸ“– ~4 min read  ā€¢  Source: Debian Security Tracker Related CVEs: CVE-2013-5093 CVE-2013-5942 CVE-2013-5943 CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: The renderLocalView function in render/views.py in graphite-web in Graphite 0.9.5 through 0.9.10 uses the pickle Python module unsafely, which […]

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How to Configure HAProxy for HTTP and TCP Load Balancing on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure HAProxy for HTTP and TCP Load Balancing on RHEL 9

HAProxy (High Availability Proxy) is a battle-hardened open-source load balancer and proxy for TCP and HTTP workloads. Where Nginx load balancing is sufficient for simple round-robin HTTP distribution, HAProxy provides a richer feature set: advanced health checks with multiple failure thresholds, ACL-based routing, Layer 4 TCP load balancing for non-HTTP protocols (MySQL, Redis, SMTP), detailed […]

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How to Set Up Database Backups with Percona XtraBackup on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Set Up Database Backups with Percona XtraBackup on SLES 16

Introduction This tutorial covers How to Set Up Database Backups with Percona XtraBackup 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 […]

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Debian 12 — python-tornado — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-tornado — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ā± 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) šŸ“– ~4 min read  ā€¢  Source: Debian Security Tracker Related CVEs: CVE-2012-2374 CVE-2013-2099 CVE-2014-9720 CVE-2023-28370 CVE-2024-52804 CVE-2025-47287 CVE-2025-67724 CVE-2025-67725  +3 more Upstream summary: CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject […]

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Debian 13 — opensmtpd — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — opensmtpd — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟔 Medium   ā± 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) šŸ“– ~4 min read  ā€¢  Source: Debian Security Tracker Related CVEs: CVE-2013-2125 CVE-2015-7687 CVE-2020-35679 CVE-2020-35680 CVE-2020-7247 CVE-2020-8793 CVE-2020-8794 CVE-2023-29323  +1 more Upstream summary: OpenSMTPD before 5.3.2 does not properly handle SSL sessions, which allows remote attackers to cause a […]

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