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How to Set Up a Private Docker Registry on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on Debian 11

Introduction How to Set Up a Private Docker Registry on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 […]

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Oracle Linux 8 — postgresql-jdbc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql-jdbc — vulnerability — patch and remediation guide (ELSA-2023-2867)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2867 Related CVEs: CVE-2022-41946 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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Oracle Linux 8 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python38:3.8 and python38-devel:3.8 — vulnerability — patch and remediation guide (ELSA-2022-1764)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1764 Related CVEs: CVE-2021-3733 CVE-2021-3737 CVE-2021-43818 CVE-2022-0391 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 9 — rpm — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — rpm — vulnerability — patch and remediation guide (ELSA-2024-0463)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 October 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0463 Related CVEs: CVE-2021-35937 CVE-2021-35939 CVE-2021-35938 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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Debian 11 — openssh — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — openssh — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2000-0992 CVE-2001-1459 CVE-2001-1507 CVE-2002-0639 CVE-2002-0640 CVE-2002-0765 CVE-2003-0190 CVE-2003-0386  +12 more Upstream summary: Directory traversal vulnerability in scp in sshd 1.2.xx allows a remote malicious scp server to overwrite […]

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How to Install and Configure RabbitMQ on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure RabbitMQ on RHEL 9

RabbitMQ is a mature, battle-tested open-source message broker that implements the AMQP 0-9-1 protocol. It decouples application components by enabling asynchronous communication through exchanges, queues, and bindings. Producers publish messages to exchanges; exchanges route messages to queues based on routing rules (direct, topic, fanout, headers); consumers subscribe to queues and process messages independently of the […]

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How To Install and Configure Ansible on Ubuntu 22.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Configure Ansible on Ubuntu 22.04

Configuration management systems are designed to streamline the process of controlling large numbers of servers, for administrators and operations teams. They allow you to control many different systems in an automated way from one central location.

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Common Problems 121519

Debian 9 Temporary Failure Resolving During apt update

🟡 Medium   ⏱ 5–30 min  Last verified: 13 October 2022 Affected versions: Debian 9 📖 ~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 & […]

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FreeBSD 13 — jabberd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — jabberd — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 October 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jabberd — authentication bypass vulnerability Related CVEs: CVE-2006-1329 CVE-2012-3525 CVE-2017-10807 Upstream summary: SecurityFocus reports: JabberD is prone to an authentication-bypass vulnerability. An attacker can exploit this issue to bypass the […]

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CHAT