September 2020 - Page 12 of 66

openSUSE Tumbleweed — postsrsd — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — postsrsd — vulnerability — 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-2021:0646-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35573 Upstream summary: srs2.c in PostSRSd before 1.10 allows remote attackers to cause a denial of service (CPU consumption) via a long timestamp tag in […]

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Oracle Linux 8 — bind — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind — security and stability fixes — required update (ELSA-2019-3552)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3552 Related CVEs: CVE-2019-6465 CVE-2018-5745 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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Common Problems 115519

RHEL 7 Docker daemon fails to start because kernel cgroup features are missing

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 📖 ~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 114407

RHEL 9 Repositories Not Enabled After Registration

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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How to Patch AIX with Fix Central Downloads on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Patch AIX with Fix Central Downloads on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to patch aix with fix central downloads on ibm aix […]

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openSUSE Tumbleweed — libut1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libut1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2020-12272 Upstream summary: OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused […]

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How to Automate Oracle Linux 8 Deployment with Kickstart — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Automate Oracle Linux 8 Deployment with Kickstart

Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying automate oracle linux 8 deployment with kickstart both straightforward and auditable. This tutorial covers the complete procedure for how to Automate Oracle Linux 8 Deployment with Kickstart, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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MNIST Dataset in Python - Basic Importing and Plotting — step-by-step Python tutorial on Progressive Robot

MNIST Dataset in Python – Basic Importing and Plotting

URL: https://www.progressiverobot.com/mnist-dataset-in-python/ Welcome to this tutorial on the MNIST dataset. In this tutorial, we will learn what is the MNIST dataset, how to import it in Python, and how to plot it using [matplotlib](/community/tutorials/python-matplotlib). What is the MNIST dataset? MNIST set is a large collection of handwritten digits. It is a very popular dataset in […]

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Debian 10 — davical — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — davical — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-18345 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 Use ThreadPoolExecutor in Python 3 — step-by-step Python tutorial on Progressive Robot

How To Use ThreadPoolExecutor in Python 3

Python threads are a form of parallelism that allow your program to run multiple procedures at once. Parallelism in Python can also be achieved using multiple processes, but threads are particularly well suited to speeding up applications that involve significant amounts of IO. In this tutorial, we will use ThreadPoolExecutor to make network requests expediently.

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