November 2020 - Page 46 of 66

Oracle Linux 8 — libssh — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libssh — vulnerability — patch and remediation guide (ELSA-2021-4387)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4387 Related CVEs: CVE-2020-16135 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Use errpt for Error Reporting on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use errpt for Error Reporting 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 use errpt for error reporting on ibm aix 7.1 […]

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How to Configure flrtvc for Vulnerability Assessment on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure flrtvc for Vulnerability Assessment 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 flrtvc for vulnerability assessment on ibm aix 7.2 […]

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How to Set Up SSH Two-Factor Authentication on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up SSH Two-Factor Authentication on Oracle Linux 8

Introduction Setting up set up ssh two-factor authentication on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up SSH Two-Factor Authentication on Oracle Linux 8, with all the commands you need, the SELinux and firewalld […]

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Understanding Database Sharding — step-by-step DevOps tutorial on Progressive Robot

Understanding Database Sharding

Sharded databases have been receiving lots of attention in recent years, but many don’t have a clear understanding of what they are or the scenarios in which it might make sense to shard a database. This conceptual article goes over what sharding is, some of its main benefits and drawbacks, and also a few common sharding methods.

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How To Manage Logfiles with Logrotate on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Manage Logfiles with Logrotate on Ubuntu 20.04

Logrotate is a system utility that manages the automatic rotation and compression of log files. If log files were not rotated, compressed, and periodically pruned, they would eventually consume all available disk space on a system. In this article, we will explore the default Logrotate configuration, then configure log rotation for a fictional custom application.

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How To Install MariaDB from Binary Tarballs on Ubuntu 13.10 — step-by-step Linux tutorial on Progressive Robot

How To Install MariaDB from Binary Tarballs on Ubuntu 13.10

Currently, MariaDB is a drop-in replacement for MySQL. This article describes the installation of MariaDB version 5.5.34 x86_64 on an Ubuntu 13.10 droplet. Binary tarballs are used for installation instead of the software repositories available through apt-get. A potential rationale for this choice would be to have complete control over the installed version of MariaDB.

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Oracle Linux 8 — flatpak — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — flatpak — vulnerability — patch and remediation guide (ELSA-2019-1143)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-1143 Related CVEs: CVE-2019-10063 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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