Logging Monitoring

How to Configure Docker Logging Drivers on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Docker Logging Drivers on Debian 10

Introduction How to Configure Docker Logging Drivers 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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FreeBSD 12 — oftpd — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — oftpd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: oftpd denial-of-service vulnerability (PORT command) Related CVEs: CVE-2004-0376 Upstream summary: Philippe Oechslin reported a denial-of-service vulnerability in oftpd. The oftpd server can be crashed by sending a PORT command containing […]

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Ubuntu 20.04 — hdf5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — hdf5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 June 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5272-1 Related CVEs: CVE-2018-17233 CVE-2018-17234 CVE-2018-17237 Upstream summary: It was discovered that HDF5 incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. […]

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

SLES 15 — oddjob — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 June 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2020-10737 Upstream summary: A race condition was found in the mkhomedir tool shipped with the oddjob package in versions before 0.34.5 and 0.34.6 wherein, during […]

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Arch Linux — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — irssi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201707-13 Related CVEs: CVE-2017-10966 CVE-2017-10965 CVE-2019-15717 CVE-2019-13045 CVE-2018-7054 CVE-2018-7053 CVE-2018-7052 CVE-2018-7051  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.0.3-1. Fixed in: 1.0.4-1. Group: AVG-342. Table of contents […]

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Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — go-toolset:ol8 — vulnerability — patch and remediation guide (ELSA-2020-3665)

🟡 Medium   ⏱ 10–30 min  Last verified: 10 June 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3665 Related CVEs: CVE-2020-15586 CVE-2020-14040 CVE-2020-16845 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 Configure MariaDB Galera Cluster on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure MariaDB Galera Cluster on RHEL 8

MariaDB Galera Cluster is a synchronous multi-primary replication solution that allows writes to be accepted by any node in the cluster simultaneously. Unlike standard MySQL asynchronous replication, Galera ensures that a transaction is committed on all nodes before it is acknowledged to the application, eliminating replication lag and the risk of data loss during failover. […]

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Common Problems 120983

Debian 10: unattended-upgrades stuck and blocking apt

🟡 Medium   ⏱ 5–30 min  Last verified: 9 June 2020 Affected versions: Debian 10 📖 ~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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Common Problems 113525

Windows Server 2012 R2 — IPsec site-to-site tunnel renegotiation fails after certificate renewal on RRAS — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 June 2020 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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