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

Ubuntu 16.04 — kauth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6035-1 Related CVEs: CVE-2019-7443 Upstream summary: It was discovered that KAuth incorrectly handled some configuration parameters with specially crafted arbitrary types. An attacker could possibly use this issue to cause […]

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How To Use Indexes in MySQL — step-by-step Databases tutorial on Progressive Robot

How To Use Indexes in MySQL

As the data in a database increases, search performance can suffer. The larger the dataset, the harder it is for the database engine to find the documents that match the query quickly. Database administrators can use indexes to aid the database engine and improve its performance. In this tutorial, you’ll learn what indexes are, how to create them, and confirm whether they’re used to query the database.

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How to Set Up Buildkite Agent on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up Buildkite Agent on SLES 12

Introduction This tutorial covers How to Set Up Buildkite Agent on SLES 12 on SLES 12. SLES 12 (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 12 system is up to date: zypper […]

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Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2025-4658)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-4658 Related CVEs: CVE-2017-17095 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Getting Started with LXC on an Ubuntu 13.04 VPS — step-by-step Linux tutorial on Progressive Robot

Getting Started with LXC on an Ubuntu 13.04 VPS

LXC, or Linux Containers, is a system built upon a number of features included in modern Linux kernels that allows for creation and management of many virtualized Linux systems on a single parent host system. However, unlike some virtualization solutions, no hardware emulation is used and the container shares the kernel with the host, which makes LXC incredibly lightweight and easy to use.

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How to Configure Docker Logging Drivers on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Docker Logging Drivers on Debian 9

Introduction This guide explains how to Configure Docker Logging Drivers 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 with the […]

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openSUSE Tumbleweed — telepathy-gabble — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — telepathy-gabble — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:007 (see also SUSE bugzilla) Related CVEs: CVE-2011-1000 CVE-2013-1431 Upstream summary: jingle-factory.c in Telepathy Gabble 0.11 before 0.11.7, 0.10 before 0.10.5, and 0.8 before 0.8.15 allows remote attackers to sniff audio and […]

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OpenBSD 7.6 — perl — errata 015_perl — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — perl — errata 015_perl — security advisory — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 015_perl Errata topic: Security: perl (All architectures) Issued: April 13, 2025 Related CVEs: CVE-2024-56406 Upstream summary: In Perl, non-ASCII bytes in the left-hand-side of the `tr` operator can overflow an insufficiently […]

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