How To Configure a Continuous Integration Testing Environment with Docker and Docker Compose on Ubuntu 14.04
This tutorial uses Docker Compose to demonstrate the automation of continuous integration workflows.
Oracle Linux 8 — edk2 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4805)
🟡 Medium ⏱ 10–30 min Last verified: 14 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-4805 Related CVEs: CVE-2019-14559 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
IBM AIX 7.2 — CVE-2020-4887 — vulnerability — patch and remediation guide
🟡 Medium ⏱ 15–45 min Last verified: 14 July 2021 Affected versions: IBM AIX 7.2 Affected: 7.1, 7.2 📖 ~4 min read • Source: NVD CVE-2020-4887, IBM Support Bulletin CVE: CVE-2020-4887 NVD summary: IBM AIX 7.1, 7.2 and AIX VIOS 3.1 could allow a local user to exploit a vulnerability in the gencore user […]
Windows Server 2019 — NIC Teaming failover delay creates transient packet blackholes in bonded interfaces — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 14 July 2021 Affected versions: Windows Server 2019 📖 ~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 Errors […]
How to Configure LVM on FreeBSD 12
Introduction This guide explains how to Configure LVM on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]
Understanding Recursion & Memoization via JavaScript
Get a grip on some of the most fundamental programming techniques for traversing data and running optimized algorithms: recursion and memoization.
FreeBSD 13 — prozilla — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: ProZilla — server response buffer overflow vulnerabilities Related CVEs: CVE-2004-1120 Upstream summary: Buffer overflow vulnerabilities have been reported to exist in this software package. The vulnerabilities can be triggered by […]
FreeBSD 13 — py38-flask-caching — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 14 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: py-flask-caching — remote code execution or local privilege escalation vulnerabilities Related CVEs: CVE-2021-33026 Upstream summary: subnix reports: The Flask-Caching extension through 2.0.2 for Flask relies on Pickle for serialization, which […]
AlmaLinux 8 — pcsc-lite-ccid — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:3049 Upstream summary: PC/SC Lite provides a Windows SCard compatible interface for communicating with smart cards, smart card readers, and other security tokens. Bug Fixes: * Increase global reader array size to […]
How To Set Up vsftpd on CentOS 6
Vsftpd is a fast and secure FTP server. Installing an FTP server can assist you with uploading files to your droplet. This tutorial describes how to install and set up vsftpd on CentOS 6.
