IT, Cloud & DevOps Blog

How to Install pgAdmin 4 on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install pgAdmin 4 on RHEL 8

pgAdmin 4 is the official open-source administration and development platform for PostgreSQL, providing a rich web interface for managing databases, running queries, monitoring activity, and visualizing schemas. On RHEL 8, the recommended installation path is the official PostgreSQL Global Development Group (PGDG) repository, which ships pgAdmin 4 as a dedicated web application package with a […]

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Common Problems 119064

Ubuntu 14.04 LTS rsyslog Stops Writing Logs

🟡 Medium   ⏱ 5–30 min  Last verified: 18 December 2019 📖 ~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 & Cross-Refs References & Further […]

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How to Set Up IBM Installation Manager on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up IBM Installation Manager 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 set up ibm installation manager on ibm aix 7.1 […]

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How to Configure Postfix Mail Server on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure Postfix Mail Server on Debian 9

Introduction This guide explains how to Configure Postfix Mail Server 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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How to Configure DHCP Server on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure DHCP Server 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 configure dhcp server on ibm aix 7.2 on IBM […]

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Cara Memulai Ulang Aplikasi Node.js secara Otomatis dengan nodemon — step-by-step DevOps tutorial on Progressive Robot

Cara Memulai Ulang Aplikasi Node.js secara Otomatis dengan nodemon

Dalam Node.js, Anda perlu memulai ulang proses untuk menerapkan perubahan. Ini menambah langkah ekstra ke alur kerja Anda demi menerapkan perubahan. Anda dapat menghilangkan langkah ekstra ini dengan nodemon untuk memulai ulang prosesnya secara otomatis. Dalam artikel ini, Anda akan mempelajari tentang menginstal, menyiapkan, dan mengonfigurasi nodemon.

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FreeBSD 12 — lzo — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — lzo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: LZO — potential buffer overrun when processing malicious input data Related CVEs: CVE-2014-4608 Upstream summary: Markus Franz Xaver Johannes Oberhumer reports, in the package's NEWS file: Fixed a potential integer […]

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Web Accessibility For Beginners — step-by-step DevOps tutorial on Progressive Robot

Web Accessibility For Beginners

Building accessible applications or websites is not the norm today. This is because the idea of accessibility is known to most developers, while in actual sense it is often neglected and not a common practice today in the world of web development. Accordi

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