December 2019 - Page 26 of 69

How to Run Ansible Playbooks Against RHEL 10 Hosts — step-by-step RHEL 10 tutorial on Progressive Robot

How to Run Ansible Playbooks Against RHEL 10 Hosts

Introduction How to Run Ansible Playbooks Against RHEL 10 Hosts on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Ubuntu 16.04 — libofx — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libofx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4523-1 Related CVEs: CVE-2019-9656 Upstream summary: It was discovered that LibOFX did not properly check for errors in certain situations, leading to a NULL pointer dereference. A remote attacker could […]

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SLES 15 — cron — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cron — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2006:027 (see also SUSE bugzilla) Related CVEs: CVE-2006-2607 CVE-2010-0424 CVE-2019-9704 CVE-2019-9705 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow […]

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SLES 15 — libdb — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libdb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:3135-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-2708 Upstream summary: Vulnerability in the Data Store component of Oracle Berkeley DB. Supported versions that are affected are Prior to 6.138, prior to 6.2.38 […]

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How To Install and Configure Seafile on an Ubuntu 12.04 VPS — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Seafile on an Ubuntu 12.04 VPS

Seafile is a great way to share files between team members in a centralized location. As a DropBox alternative, you can easily sync local directories to the server and pull down changes on other clients. In this guide, we’ll cover how to install and configure the Seafile server on an Ubuntu 12.04 VPS.

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How to Perform a System Security Audit with auditd on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Perform a System Security Audit with auditd on RHEL 8

The Linux Audit system (auditd) provides a comprehensive security logging framework that records system calls, file accesses, and user actions at the kernel level. On RHEL 8, auditd is installed and enabled by default, making it a foundational component of any security compliance strategy. Whether meeting requirements for PCI-DSS, HIPAA, or internal policy, audit rules […]

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How To Build a Jamstack Portfolio with Angular 11 and Scully — step-by-step Javascript tutorial on Progressive Robot

How To Build a Jamstack Portfolio with Angular 11 and Scully

As a developer, it’s important to have a portfolio showcasing your skills and previous work. You can build an engaging and fast portfolio using Angular and Scully. In this tutorial, you will generate an Angular app, add pages to show your projects and profile, and add services to populate these pages. Additionally, you will generate a blog and create posts for it. Lastly, you will convert the app into a static site using Scully.

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

Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12673)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12673 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 […]

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