Package Management

How to Configure Bacula Backup Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Bacula Backup Server on Debian 12

Introduction Deploying configure bacula backup server on debian 12 on a Debian 12 Bookworm 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 Before you […]

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NetBSD 9.4 — qt4-tiff — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — qt4-tiff — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2011-3194 Upstream summary: pkgsrc audit-packages flagged qt4-tiff<4.7.3nb1 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3194 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 8 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide (ELSA-2023-7050)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7050 Related CVEs: CVE-2007-4559 CVE-2023-32681 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Common Problems 114421

Systemd Service Fails to Start After Package Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 8 January 2024 📖 ~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 & Cross-Refs References & Further […]

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FreeBSD 14 — tethereal — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — tethereal — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 January 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — PCNFSD Dissector Denial of Service Vulnerability Related CVEs: CVE-2004-0176 CVE-2004-0365 CVE-2004-0367 CVE-2004-0504 CVE-2004-0505 CVE-2004-0506 CVE-2004-0507 CVE-2004-0633  +12 more Upstream summary: Secunia reports: A vulnerability has been reported in […]

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How to Configure Drone CI on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Drone CI on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up configure drone ci on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and the […]

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Alpine Linux 3.18 — ipython — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — ipython — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 7.31.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ipython 7.31.1-r0 Related CVEs: CVE-2022-21699 Upstream summary: Alpine community repository for vv3.18 ships ipython 7.31.1-r0 which addresses CVE-2022-21699. Table of contents Symptom & Impact Environment […]

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Common Problems 119955

Debian 12 APT Lock Contention During Updates

🟡 Medium   ⏱ 5–30 min  Last verified: 8 January 2024 Affected versions: Debian 12 📖 ~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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NetBSD 9.4 — postgresql96-contrib — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — postgresql96-contrib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-1115 Upstream summary: pkgsrc audit-packages flagged postgresql96-contrib<9.6.9 for vulnerability class 'unauthorised-access'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-1115 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Set Up Fail2ban on FreeBSD 14 — step-by-step FreeBSD 14 tutorial on Progressive Robot

How to Set Up Fail2ban on FreeBSD 14

Introduction FreeBSD 14 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up set up fail2ban on freebsd 14 on FreeBSD 14 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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