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How to Configure Kernel Tuning with vmo on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure Kernel Tuning with vmo on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure kernel tuning with vmo on ibm aix 7.1 […]

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How to Tune AIX for Oracle Database Performance on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Tune AIX for Oracle Database Performance on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to tune aix for oracle database performance on ibm aix […]

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How to Install and Configure Nomad on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Nomad on Debian 9

Introduction This guide explains how to Install and Configure Nomad on Debian 9 on Debian 9 Stretch. Debian Stretch 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 9 install with the […]

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What is PostgreSQL? — step-by-step Databases tutorial on Progressive Robot

What is PostgreSQL?

PostgreSQL, commonly referred to as “Postgres,” is an open-source relational database management system. As with other relational databases, PostgreSQL stores data in tables made up of rows and columns and users can define, manipulate, control, and query data using Structured Query Language, more commonly known as SQL.

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FreeBSD 12 — libzrtpcpp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libzrtpcpp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libzrtpcpp — multiple security vulnerabilities Related CVEs: CVE-2013-2221 CVE-2013-2222 CVE-2013-2223 Upstream summary: Mark Dowd reports: Vulnerability 1. Remote Heap Overflow: If an attacker sends a packet larger than 1024 bytes […]

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How to Configure Chrony as a Time Server on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Chrony as a Time Server on RHEL 8

Chrony is the recommended NTP implementation on RHEL 8, replacing the older ntpd daemon. In most deployments, each server simply synchronizes time from an upstream source, but promoting one server to act as a local NTP authority reduces external traffic and ensures that isolated hosts without internet access can still keep accurate time. This guide […]

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FreeBSD 12 — php4-dtc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — php4-dtc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2004-0594 CVE-2004-0595 CVE-2004-1019 CVE-2004-1065 CVE-2005-0596 CVE-2006-4481 CVE-2006-4482 CVE-2006-4483  +12 more Upstream summary: The PHP development team reports: Security Enhancements and Fixes in PHP 5.2.2 […]

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