February 2023 - Page 15 of 64

How to Install Composer on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Composer on Oracle Linux 9

Introduction How to Install Composer on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

Read more
Oracle Linux 9 — tcpdump — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — tcpdump — vulnerability — patch and remediation guide (ELSA-2024-2211)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-2211 Related CVEs: CVE-2021-41043 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
openSUSE Tumbleweed — lua54 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — lua54 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-15888 CVE-2020-24342 CVE-2022-33099 CVE-2021-44647 CVE-2020-24369 CVE-2021-43519 CVE-2020-15945 Upstream summary: Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based […]

Read more
How To Secure Nginx with Let's Encrypt on Debian 8 — step-by-step Linux tutorial on Progressive Robot

How To Secure Nginx with Let’s Encrypt on Debian 8

Let’s Encrypt is a new Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates, thereby enabling encrypted HTTPS on web servers. It simplifies the process by providing a software client, certbot (previously called letsencrypt),…

Read more
Windows Server 2019 — KB5023713 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5023713 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5023713 • MSRC update-guide entry Related CVEs: CVE-2023-21708 CVE-2023-23404 CVE-2023-23411 CVE-2023-23415 CVE-2023-23416 CVE-2023-1017 CVE-2023-1018 CVE-2023-23385  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

Read more
IBM AIX 7.3 — CVE-2002-1468 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2002-1468 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 22 February 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2002-1468, IBM PSIRT advisory page CVE: CVE-2002-1468 NVD summary: Buffer overflow in errpt in AIX 4.3.3 allows local users to execute arbitrary code as root. References: archives.neohapsis.com/archives/aix/2002-q3/0007   www.securityfocus.com/bid/5885   archives.neohapsis.com/archives/aix/2002-q3/0007 Table […]

Read more
Windows Server 2016 — KB5028182 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5028182 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5028182 • MSRC update-guide entry Related CVEs: CVE-2023-35365 CVE-2023-35366 CVE-2023-35367 CVE-2023-32057 CVE-2023-35297 CVE-2023-21756 CVE-2023-33166 CVE-2023-33167  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
CHAT