December 2021 - Page 32 of 71

How to Configure libvirt on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Configure libvirt on SLES 15

Introduction This tutorial covers How to Configure libvirt on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper refresh && […]

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Debian 11 — lookatme — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lookatme — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15271 Upstream summary: In lookatme (python/pypi package) versions prior to 2.3.0, the package automatically loaded the built-in "terminal" and "file_loader" extensions. Users that use lookatme to render untrusted […]

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Debian 11 — fwknop — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fwknop — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4434 CVE-2012-4435 CVE-2012-4436 Upstream summary: fwknop before 2.0.3 allow remote authenticated users to cause a denial of service (server crash) or possibly execute arbitrary code. Table of contents […]

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Debian 11 — xmlrpc-epi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xmlrpc-epi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6296 Upstream summary: Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before […]

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How to Install RabbitMQ on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install RabbitMQ on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install rabbitmq on freebsd 13 on FreeBSD 13 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. This […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2021-9565)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9565 Related CVEs: CVE-2021-3653 CVE-2021-3656 CVE-2021-3744 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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CentOS Stream 9 — mingw-zlib — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — mingw-zlib — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:8420 Related CVEs: CVE-2018-25032 Upstream summary: The zlib packages provide a general-purpose lossless data compression library that is used by many different programs. Security Fix(es): * zlib: A flaw found in […]

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Установка MariaDB в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка MariaDB в Ubuntu 20.04

MariaDB — это система управления реляционными базами данных с открытым исходным кодом, которая часто используется в качестве альтернативы MySQL в составе популярного набора…

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Debian 11 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0034 CVE-2006-0987 CVE-2006-2073 CVE-2006-4095 CVE-2006-4096 CVE-2007-0493 CVE-2007-0494 CVE-2007-2241  +12 more Upstream summary: An "incorrect assumption" in the authvalidated validator function in BIND 9.3.0, when DNSSEC is enabled, allows […]

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