April 2020 - Page 53 of 66

Oracle Linux 8 — krb5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — krb5 — vulnerability — patch and remediation guide (ELSA-2021-1593)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1593 Related CVEs: CVE-2020-28196 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 Configure OpenSCAP Security Compliance on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure OpenSCAP Security Compliance on Debian 10

Introduction How to Configure OpenSCAP Security Compliance on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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Установка и настройка Elasticsearch в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Установка и настройка Elasticsearch в Ubuntu 18.04

Elasticsearch — это платформа для распределенного поиска и анализа данных в режиме реального времени. Она пользуется популярностью благодаря удобству в использовании, наличию мощных характеристик и возможности масштабирования. Эта статья…

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Debian 9 — postgresql-common — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — postgresql-common — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8806 CVE-2019-3466 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Convert String to Char Array and Char Array to String in C++ — step-by-step Programming tutorial on Progressive Robot

Convert String to Char Array and Char Array to String in C++

In this article, we will be focusing on the different ways to convert String to char array and char array to String in [C++](/community/tutorials/c-plus-plus). While dealing with String data, we may need to convert the string data items to character array and vice-versa. This tutorial will help you solve exactly that. Convert String to Char […]

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How to Install HashiCorp Vault for Secrets Management on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install HashiCorp Vault for Secrets Management on RHEL 9

HashiCorp Vault is an open-source secrets management platform that provides secure storage, access control, and auditing for sensitive data such as API keys, passwords, certificates, and encryption keys. Instead of hardcoding secrets in application configs or environment variables, applications request them from Vault at runtime using short-lived tokens or AppRole credentials. This tutorial covers installing […]

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openSUSE Tumbleweed — python36-ecdsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-ecdsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:2472-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-14853 CVE-2019-14859 Upstream summary: An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or […]

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