Logging Monitoring

Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide (ELSA-2021-4151)

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4151 Related CVEs: CVE-2021-23336 CVE-2020-27619 CVE-2021-28957 CVE-2021-20095 CVE-2021-42771 CVE-2021-20270 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Tumbleweed — atftp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — atftp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:1091-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11365 CVE-2020-6097 CVE-2021-41054 Upstream summary: An issue was discovered in atftpd in atftp 0.7.1. A remote attacker may send a crafted packet triggering a stack-based […]

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How to Configure ifconfig Networking on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure ifconfig Networking on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure ifconfig networking on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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Oracle Linux 8 — java-11-openjdk security and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-11-openjdk security and — enhancement update — new behaviour and fixes (ELSA-2020-2970)

🟠 High   ⏱ 15–60 min  Last verified: 1 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2970 Related CVEs: CVE-2020-14583 CVE-2020-14573 CVE-2020-14577 CVE-2020-14593 CVE-2020-14556 CVE-2020-14562 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Set Up Minikube on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up Minikube on CentOS Stream 9

Introduction Setting up set up minikube on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Minikube on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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Common Problems 118537

Ubuntu 16.04 LTS snapd installation and refresh failures

🟡 Medium   ⏱ 5–30 min  Last verified: 1 January 2022 📖 ~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 & Cross-Refs References & Further […]

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AlmaLinux 8 — openssl-pkcs11 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — openssl-pkcs11 — 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-2020:1871 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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