Logging Monitoring

How to Configure DHCP Server with isc-dhcp-server on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure DHCP Server with isc-dhcp-server on Debian 13

  • October 4, 2025
  • Linux
  • Comment off

Introduction Deploying configure dhcp server with isc-dhcp-server 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 You will need a […]

Read more
Debian 13 — ruby-net-ldap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-net-ldap — vulnerability — patch and remediation guide

  • October 4, 2025
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-17718 Upstream summary: The Net::LDAP (aka net-ldap) gem before 0.16.0 for Ruby has Missing SSL Certificate Validation. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

Read more
openSUSE Tumbleweed — gerbera — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — gerbera — vulnerability — patch and remediation guide

  • October 4, 2025
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14864-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-23386 Upstream summary: A Incorrect Default Permissions vulnerability in the openSUSE Tumbleweed package gerbera allows the service user gerbera to escalate to root.,This issue affects […]

Read more
Common Problems 116597

Ubuntu 24.04 LTS – Docker service fails to start with overlay2 errors – Fix & Prevention

  • October 4, 2025
  • Linux
  • Comment off

🟠 High   ⏱ 5–30 min  Last verified: 4 October 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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 […]

Read more
FreeBSD 14 — emacs-wayland — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — emacs-wayland — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • October 4, 2025
  • BSD
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Emacs — Arbitrary code execution vulnerability Related CVEs: CVE-2024-53920 CVE-2025-1244 Upstream summary: Problem Description A shell injection vulnerability exists in GNU Emacs due to improper handling of custom man URI […]

Read more
Alpine Linux 3.20 — libxslt — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libxslt — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • October 4, 2025
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.1.39-r2 📖 ~4 min read  •  Source: Alpine secdb entry — libxslt 1.1.39-r2 Related CVEs: CVE-2024-55549 CVE-2025-24855 CVE-2021-30560 CVE-2019-13117 CVE-2019-13118 CVE-2019-18197 CVE-2019-11068 CVE-2017-5029  +1 more Upstream summary: Alpine main repository for vv3.20 ships libxslt 1.1.39-r2 which […]

Read more
Common Problems 116531

UFW Blocking Kubernetes Traffic on Ubuntu 24.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 4 October 2025 Affected versions: 24.04 📖 ~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 […]

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

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

  • October 4, 2025
  • Linux
  • Comment off

🟢 Low   ⏱ 5–15 min  Last verified: 4 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a […]

Read more
Alpine Linux 3.20 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • October 4, 2025
  • Linux
  • Comment off

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.6.23-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libexif 0.6.23-r0 Related CVEs: CVE-2020-0198 CVE-2020-0452 CVE-2018-20030 CVE-2020-13114 CVE-2020-13113 CVE-2020-13112 CVE-2020-0093 CVE-2019-9278  +12 more Upstream summary: Alpine community repository for vv3.20 ships libexif 0.6.23-r0 which […]

Read more
Ubuntu 22.04 — libtpms — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libtpms — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • October 4, 2025
  • Linux
  • Comment off

🟡 Medium   ⏱ 10–30 min  Last verified: 4 October 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7617-1 Related CVEs: CVE-2025-49133 CVE-2023-1017 CVE-2023-1018 https://launchpad.net/bugs/2009608 Upstream summary: It was discovered that libtpms did not properly manage memory when performing crafted cryptographic operations. An attacker could possibly use this […]

Read more

Tags

AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server
CHAT