IT, Cloud & DevOps Blog

FreeBSD 12 — tinc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tinc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 March 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tinc — Buffer overflow Related CVEs: CVE-2013-1428 CVE-2018-16737 CVE-2018-16738 CVE-2018-16758 Upstream summary: tinc-vpn.org reports: The authentication protocol allows an oracle attack that could potentially be exploited. If a man-in-the-middle has […]

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How to Set Up Samba File Sharing on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Set Up Samba File Sharing on SLES 15

Introduction This tutorial covers How to Set Up Samba File Sharing 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: […]

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openSUSE Tumbleweed — rubygem-hiera — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rubygem-hiera — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0880-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-3248 Upstream summary: Untrusted search path vulnerability in Puppet Enterprise 2.8 before 2.8.7, Puppet before 2.7.26 and 3.x before 3.6.2, Facter 1.6.x and 2.x before […]

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How To Use Fleet and Fleetctl to Manage your CoreOS Cluster — step-by-step DevOps tutorial on Progressive Robot

How To Use Fleet and Fleetctl to Manage your CoreOS Cluster

The fleet daemon and the fleetctl utility program are essential for managing your CoreOS cluster. A cluster-wide interface to individual systemd instances, this system allows you to manage services throughout your clustered environment. In this guide, we’ll get familiar with these components.

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Debian 9 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — libapache2-mod-auth-mellon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 March 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3877 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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How to Install Elasticsearch on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Elasticsearch on Debian 9

Introduction This guide explains how to Install Elasticsearch 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 standard repositories […]

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