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Debian 11 — rsync — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rsync — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0962 CVE-2004-0426 CVE-2004-0792 CVE-2004-2093 CVE-2006-2083 CVE-2007-4091 CVE-2007-6199 CVE-2007-6200  +12 more Upstream summary: Heap-based buffer overflow in rsync before 2.5.7, when running in server mode, allows remote attackers to […]

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How to Set Up Riemann Event Stream Processor on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Riemann Event Stream Processor on Debian 9

Introduction This guide explains how to Set Up Riemann Event Stream Processor on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install […]

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Ubuntu 20.04 — linuxptp — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linuxptp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6097-1 Related CVEs: CVE-2021-3570 Upstream summary: It was discovered that Linux PTP did not properly perform a length check when forwarding a PTP message between ports. A remote attacker could […]

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Alpine Linux edge — py3-mako — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-mako — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.2.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-mako 1.2.2-r0 Related CVEs: CVE-2022-40023 Upstream summary: Alpine main repository for vedge ships py3-mako 1.2.2-r0 which addresses CVE-2022-40023. Table of contents Symptom & Impact Environment […]

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SLES 15 — ppp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ppp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 April 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0489-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8597 CVE-2022-4603 CVE-2014-3158 CVE-2015-3310 Upstream summary: eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions. […]

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How to Install Kotlin and Set Up a JVM Project on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install Kotlin and Set Up a JVM Project on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up install kotlin and set up a jvm project on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow […]

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Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2023-0101)

🟠 High   ⏱ 15–60 min  Last verified: 3 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0101 Related CVEs: CVE-2022-2964 CVE-2022-4139 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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AlmaLinux 8 — cifs-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cifs-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:1910 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Set Up CentOS Stream 9 Cluster with Pacemaker — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up CentOS Stream 9 Cluster with Pacemaker

Introduction How to Set Up CentOS Stream 9 Cluster with Pacemaker on CentOS Stream 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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