2021 - Page 531 of 759

Debian 10 — coturn — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — coturn — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26262 CVE-2020-4067 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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How to Install Zabbix on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Zabbix on RHEL 7

How to Install Zabbix on RHEL 7 Zabbix is a mature, enterprise-grade open-source monitoring platform that supports agent-based and agentless monitoring of servers, network devices, applications, and cloud resources. It combines metrics collection, event correlation, alerting, and visualisation in a single self-hosted solution — making it a compelling choice for organisations that need full control […]

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Gentoo Linux — dev-ada/gnat-suite-bin — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-ada/gnat-suite-bin — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202402-04 Related CVEs: CVE-2020-27619 Upstream summary: A vulnerability has been discovered in GNAT Ada Suite. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & […]

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Android Spinner - drop down list — step-by-step DevOps tutorial on Progressive Robot

Android Spinner – drop down list

This tutorial will give you a hands on experience in using Android Spinner as a drop down menu, passing data using [android bundle](/community/tutorials/android-bundle) and showing popup notification using [android toast](/community/tutorials/android-toast). We will create an android application that consists of a simple spinner that allows selecting an item from a drop down list. We will display […]

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How to Set Up TimescaleDB on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up TimescaleDB on Oracle Linux 8

Introduction Setting up set up timescaledb 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 TimescaleDB on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Oracle Linux 8 — java-17-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-17-openjdk — security and stability fixes — required update (ELSA-2022-7000)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 April 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7000 Related CVEs: CVE-2022-21618 CVE-2022-21624 CVE-2022-21626 CVE-2022-21628 CVE-2022-21619 CVE-2022-39399 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — efivar — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — efivar — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:4596 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — postfix — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — postfix — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2091 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — libsrtp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libsrtp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libsrtp — DoS via crafted RTP header vulnerability Related CVEs: CVE-2015-6360 Upstream summary: libsrtp reports: Prevent potential DoS attack due to lack of bounds checking on RTP header CSRC count […]

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