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How To Install and Configure ownCloud on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure ownCloud on Ubuntu 18.04

ownCloud is an open-source file sharing server and collaboration platform that can store your personal content, like documents and pictures, in a centralized location. This allows you to take control of your content and security by not relying on third-party content hosting…

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How to Build Docker Images with Multi-Stage Builds on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Build Docker Images with Multi-Stage Builds on RHEL 8

Multi-stage builds are one of the most powerful features in Docker, allowing you to produce lean production images by separating the build environment from the runtime environment. On RHEL 8, where production image size and attack surface matter, multi-stage builds reduce final image size dramatically by discarding build tools and intermediate artifacts. This tutorial walks […]

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Common Problems 125193

Oracle Linux 8 – Common Problem 023 – Diagnosis and Fix

🟢 Low   ⏱ 5–30 min  Last verified: 29 January 2022 Affected versions: Oracle Linux 8 📖 ~3 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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IBM AIX 7.3 — CVE-2021-38954 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-38954 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 29 January 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-38954, IBM Support Bulletin CVE: CVE-2021-38954 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could disclose sensitive version information that could aid in future attacks […]

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FreeBSD 13 — squashfs-tools — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — squashfs-tools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: squashfs-tools — Integer overflow Related CVEs: CVE-2015-4645 Upstream summary: Phillip Lougher reports: Integer overflow in the read_fragment_table_4 function in unsquash-4.c in Squashfs and sasquatch allows remote attackers to cause a […]

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How to Configure Btrfs Snapshots on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Btrfs Snapshots on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure btrfs snapshots on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Btrfs Snapshots on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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FreeBSD 13 — mt-daapd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mt-daapd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mt-daapd — integer overflow Related CVEs: CVE-2007-5824 CVE-2008-1771 Upstream summary: FrSIRT reports: A vulnerability has been identified in mt-daapd which could be exploited by remote attackers to cause a denial […]

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FreeBSD 13 — unarj — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — unarj — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: unarj — long filename buffer overflow Related CVEs: CVE-2004-0947 CVE-2004-1027 Upstream summary: Ludwig Nussel has discovered a buffer overflow vulnerability in unarj's handling of long filenames which could potentially lead […]

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Common Problems 115012

RHEL 8 systemd Service Enters Restart Loop After Configuration Change

🟠 High   ⏱ 5–30 min  Last verified: 29 January 2022 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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