Logging Monitoring

How to Manage Systemd Services with systemctl on Linux: Complete Guide (2025–2026) — step-by-step tutorial on Progressive Robot

How to Manage Systemd Services with systemctl on Linux: Complete Guide (2025–2026)

Manage systemd services with systemctl is one of the most essential skills for any Linux system administrator or DevOps engineer in 2025–2026. Since systemd became the default init system on virtually all major distributions (Ubuntu, Debian, Fedora, CentOS Stream, Rocky Linux, AlmaLinux, and more), the systemctl command is now the central tool for controlling services, checking statuses, modifying boot behavior, and troubleshooting.

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FreeBSD 13 — libtasn — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libtasn — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libtasn1 — Stack-based buffer overflow Related CVEs: CVE-2012-1569 CVE-2015-2806 CVE-2016-4008 CVE-2025-13151 Upstream summary: oss-security@ list reports: Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size […]

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FreeBSD 13 — py310-strawberry-graphql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-strawberry-graphql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 February 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-strawberry-graphql — Multiple vulnerabilities Related CVEs: CVE-2026-35523 CVE-2026-35526 Upstream summary: The Strawberry GraphQL project reports: Strawberry up until version 0.312.3 is vulnerable to an authentication bypass on WebSocket subscription endpoints. […]

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FreeBSD 15 — rubygem-rack — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — rubygem-rack — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rack — possible denial of service vulnerability in header parsing Related CVEs: CVE-2011-4815 CVE-2011-4838 CVE-2011-5036 CVE-2011-5037 CVE-2015-1840 CVE-2015-3224 CVE-2015-3225 CVE-2015-3226  +7 more Upstream summary: ooooooo_q reports: Carefully crafted input can […]

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FreeBSD 15 — cdf — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — cdf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cdf3 — Buffer overflow vulnerability Related CVEs: CVE-2008-2080 Upstream summary: NASA Goddard Space Flight Center reports: The libraries for the scientific data file format, Common Data Format (CDF) version 3.2 […]

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How to Install Deno on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Deno on RHEL 9

Deno is a modern JavaScript and TypeScript runtime built on V8 and Rust. Created by Ryan Dahl (the original creator of Node.js), Deno addresses design decisions he regretted in Node.js: Deno has first-class TypeScript support with no build step required, uses ES modules exclusively (no CommonJS), has a secure-by-default permissions model (scripts cannot access the […]

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Windows Server 2025 — KB5079466 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5079466 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5079466 • MSRC update-guide entry Related CVEs: CVE-2026-23669 CVE-2026-23671 CVE-2026-23672 CVE-2026-23673 CVE-2026-24283 CVE-2026-24287 CVE-2026-24289 CVE-2026-24290  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in RPC Runtime allows an […]

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How to Install and Secure Redis on Ubuntu: Complete Guide (2025–2026) — step-by-step tutorial on Progressive Robot

How to Install and Secure Redis on Ubuntu: Complete Guide (2025–2026)

In 2025–2026, installing and securing Redis on Ubuntu is a critical task for developers and sysadmins using Redis as a fast in-memory cache, session store, message broker, or real-time data engine. By default, Redis listens on all interfaces without authentication—leaving it vulnerable if port 6379 is exposed. This step-by-step guide shows you exactly how to install and secure Redis on Ubuntu (22.04 LTS, 24.04 LTS, and later), including binding to localhost, setting a strong password (or ACLs), renaming/disabling dangerous commands, and verifying everything works.

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FreeBSD 13 — php83-composer — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php83-composer — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 February 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PHP Composer — Multiple vulnerabilities Related CVEs: CVE-2023-43655 CVE-2024-24821 CVE-2024-35241 CVE-2024-35242 CVE-2026-40176 CVE-2026-40261 Upstream summary: Composer project reports: Fixed command injection via malicious Perforce reference (GHSA-gqw4-4w2p-838q / CVE-2026-40261) Fixed command […]

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