Como instalar o Node.js no CentOS 8
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How to Install Netdata Monitoring on Debian 11
Introduction This guide explains how to Install Netdata Monitoring on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with the standard […]
Cómo crear e implementar una aplicación de Flask utilizando Docker en Ubuntu 18.04
El autor seleccionó el Tech Education Fund para que recibiese una donación como parte del programa Write for DOnations. Docker es una aplicación de código abierto que…
Debian 11 – Fail2ban Not Banning with nftables Backend – Jail Action Fix
🟡 Medium ⏱ 5–30 min Last verified: 7 October 2022 Affected versions: Debian 11 📖 ~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 & […]
IBM AIX 7.3 — CVE-2016-8944 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 15–45 min Last verified: 7 October 2022 Affected versions: IBM AIX 7.3 Affected: 7.1, 7.2 📖 ~4 min read • Source: NVD CVE-2016-8944, IBM Support Bulletin CVE: CVE-2016-8944 NVD summary: IBM AIX 7.1 and 7.2 allows a local user to open a file with a specially crafted argument that would crash […]
Ubuntu 22.04 LTS – root filesystem is 100% and services become unstable
🔴 Critical ⏱ 5–30 min Last verified: 7 October 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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 […]
FreeBSD 13 — libmysofa — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 7 October 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: libmysoft — Heap-based buffer overflow vulnerability Related CVEs: CVE-2021-3756 Upstream summary: Zhengjie Du reports: There are some heap-buffer-overflows in mysofa2json of libmysofa. They are in function loudness, mysofa_check and readOHDRHeaderMessageDataLayout. […]
FreeBSD 13 — py38-ipython — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 7 October 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: ipython — Execution with Unnecessary Privileges Related CVEs: CVE-2022-21699 Upstream summary: IPython project reports: IPython 8.0.1, 7.31.1 and 5.11 are security releases that change some default values in order to […]
Windows Server 2012 R2 — NIC Teaming failover delay creates transient packet blackholes in bonded interfaces — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 7 October 2022 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
How to Perform an Alternate Disk Migration on IBM AIX 7.3
Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to perform an alternate disk migration on IBM AIX 7.3 […]
