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Ubuntu 16.04 — schroot — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — schroot — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 September 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5584-1 Related CVEs: CVE-2022-2787 Upstream summary: It was discovered that Schroot incorrectly handled certain Schroot names. An attacker could possibly use this issue to break schroot's internal state causing a […]

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SLES 15 — libdpdk — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libdpdk — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 September 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:4050-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-32166 Upstream summary: In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead […]

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Gentoo Linux — dev-db/percona-xtrabackup — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-db/percona-xtrabackup — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-15 Related CVEs: CVE-2022-25834 CVE-2022-26944 Upstream summary: Multiple vulnerabilities have been discovered in Percona XtraBackup. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Развертывание масштабируемого и защищенного приложения Django с помощью Kubernetes — step-by-step Docker tutorial on Progressive Robot

Развертывание масштабируемого и защищенного приложения Django с помощью Kubernetes

В этом учебном модуле мы развернем контейнеризованное приложение Django polls в кластере Kubernetes. Django — это мощная веб-структура, позволяющая быстро развернуть ваше приложение Python с нуля. Она включает ряд удобных…

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How to Set Up Suricata IDS/IPS on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Suricata IDS/IPS on Debian 11

Introduction This guide explains how to Set Up Suricata IDS/IPS on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with the […]

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FreeBSD 13 — py32-rsa — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py32-rsa — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-rsa — Bleichenbacher'06 signature forgery vulnerability Related CVEs: CVE-2016-1494 Upstream summary: Filippo Valsorda reports: python-rsa is vulnerable to a straightforward variant of the Bleichenbacher'06 attack against RSA signature verification with […]

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AlmaLinux 9 — bzip2 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — bzip2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:0925 Related CVEs: CVE-2019-12900 Upstream summary: The bzip2 packages contain a freely available, high-quality data compressor. It provides both standalone compression and decompression utilities, as well as a shared library for use […]

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Common Problems 114603

RHEL 9 NFS mount unavailable after boot sequence

🟡 Medium   ⏱ 5–30 min  Last verified: 29 September 2022 📖 ~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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How to Use SMIT to Manage System Tasks on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use SMIT to Manage System Tasks on IBM AIX 7.3

Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use smit to manage system tasks on IBM AIX […]

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