Linux

Ubuntu 16.04 — gnuplot — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gnuplot — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • October 10, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 October 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7773-1 Related CVEs: CVE-2025-31178 CVE-2025-31176 CVE-2025-31181 CVE-2025-31179 CVE-2025-31180 CVE-2025-31177 CVE-2025-3359 CVE-2018-19491  +6 more Upstream summary: ChenYiFan Liu discovered that Gnuplot did not correctly handle certain memory operations. An attacker could […]

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How to Install Varnish Cache on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Varnish Cache on Debian 13

  • October 10, 2025
  • Linux
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Introduction Deploying install varnish cache on a Debian 13 Trixie machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure Debian 13 Trixie is fully […]

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How to Use Python Virtual Environments on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Use Python Virtual Environments on Ubuntu 24.04

  • October 10, 2025
  • Linux
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Python virtual environments isolate project dependencies, preventing version conflicts between projects. Ubuntu 24.04 LTS ships with Python 3.12 and the built-in venv module. This guide covers creating and managing virtual environments. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS Python 3.12 installed A user account Step 1 – Install the venv Module […]

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SLES 12 — icinga2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — icinga2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • October 10, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 October 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02783-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-48057 CVE-2020-14004 CVE-2020-29663 CVE-2021-37698 Upstream summary: Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates […]

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Debian 13 — ansible — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ansible — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 10, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2233 CVE-2013-4259 CVE-2014-2686 CVE-2014-3498 CVE-2014-4657 CVE-2014-4658 CVE-2014-4659 CVE-2014-4660  +12 more Upstream summary: Ansible before 1.2.1 makes it easier for remote attackers to conduct man-in-the-middle attacks by leveraging failure […]

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How to Secure MySQL 8.0 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install MySQL 8.0 on Ubuntu 24.04

  • October 10, 2025
  • Linux
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MySQL 8.0 is the world’s most popular open-source relational database. Ubuntu 24.04 LTS ships with MySQL 8.0 in its default repositories. This guide installs, secures, and verifies MySQL on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – Update Package Lists […]

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Debian 13 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — expat — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 10, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 10 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 CVE-2012-0876 CVE-2012-1148 CVE-2012-6702 CVE-2013-0340 CVE-2015-1283 CVE-2016-0718  +12 more Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module […]

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How To Install and Use PostgreSQL on Rocky Linux 9 — step-by-step Linux tutorial on Progressive Robot

How To Install and Use PostgreSQL on Rocky Linux 9

  • October 10, 2025
  • Linux
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PostgreSQL, or Postgres, is a relational database management system that provides an implementation of the SQL querying language. It is a popular choice for many small and large projects and has the advantage of being standards-compliant and having many advanced features like reliable transactions and concurrency without read locks.

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How to Schedule Tasks with systemd Timers on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Schedule Tasks with systemd Timers on Debian 13

  • October 10, 2025
  • Linux
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Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up schedule tasks with systemd timers on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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Rocky Linux 8 — python-idna — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-idna — multiple vulnerabilities (18 CVEs) — patch and remediation guide

  • October 10, 2025
  • 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-2023:5994 Related CVEs: CVE-2023-40217 CVE-2024-11168 CVE-2024-5642 CVE-2024-9287 CVE-2025-0938 CVE-2025-4138 CVE-2025-4330 CVE-2025-4435  +10 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic […]

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