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How to Set Up a Private Docker Registry on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Set Up a Private Docker Registry on Ubuntu 26.04

A private Docker registry lets you store and distribute container images within your own infrastructure, avoiding Docker Hub rate limits and keeping proprietary images secure. This guide sets up a private Docker registry with TLS and basic authentication on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Docker […]

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How to Configure Sudo Privileges on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure Sudo Privileges on RHEL 10

Introduction Setting up configure sudo privileges on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Sudo Privileges on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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FreeBSD 13 — py314-setuptools — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py314-setuptools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-setuptools — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Related CVEs: CVE-2025-47273 Upstream summary: https://github.com/pypa/setuptools/security/advisories/GHSA-5rjg-fvgr-3xxf reports: setuptools is a package that allows users to download, build, […]

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Windows Server 2025 — KB5082420 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5082420 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5082420 • MSRC update-guide entry Related CVEs: CVE-2026-23666 CVE-2026-33116 CVE-2026-32226 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 Microsoft summary: Improper input validation in .NET Framework allows an […]

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Prompt Injection Attacks: How They Are Thwarting AI Hacking Agents

Prompt Injection Attacks: How They Are Thwarting AI Hacking Agents

Artificial intelligence is rapidly transforming cybersecurity. Modern AI agents can analyze software, discover vulnerabilities, automate penetration testing, generate exploit code, review configurations, and assist security professionals with tasks that previously required significant manual effort. However, as AI becomes more capable, attackers are also discovering new ways to manipulate these systems. One of the fastest-growing threats […]

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FreeBSD 15 — php73-imap — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php73-imap — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-imap — imap_open allows to run arbitrary shell commands via mailbox parameter Upstream summary: The PHP team reports: imap_open allows to run arbitrary shell commands via mailbox parameter. Table of […]

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Amazon Linux 2023 — kernel-livepatch-6.1.166-197.305 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.166-197.305 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2026-147 Related CVEs: CVE-2026-43284 CVE-2026-31431 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other […]

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FreeBSD 14 — munge — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — munge — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 July 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: munge — CWE-787: Out-of-bounds Write Related CVEs: CVE-2026-25506 Upstream summary: https://github.com/dun/munge/security/advisories/GHSA-r9cr-jf4v-75gh reports: MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can […]

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Common Problems 116097

Ubuntu 26.04 LTS – Podman rootless containers fail with cgroup permission error – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 […]

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