February 2020 - Page 49 of 64

Установка Apache Kafka в Debian 10 — step-by-step Linux tutorial on Progressive Robot

Установка Apache Kafka в Debian 10

Автор выбрал фонд Free and Open Source Fund для получения пожертвования в рамках программы Write for DOnations. Apache Kafka — популярный распределенный брокер…

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Oracle Linux 8 — .NET Core on Red Hat Enterprise Linux 8 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET Core on Red Hat Enterprise Linux 8 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2471 Related CVEs: CVE-2020-1108 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 Develop Applications on Kubernetes with Okteto — step-by-step Kubernetes tutorial on Progressive Robot

How To Develop Applications on Kubernetes with Okteto

The Okteto CLI is an open-source project that can greatly improve your inner development-loop while working on Kubernetes. In this tutorial, you’ll create a Kubernetes cluster in the cloud provider and use it to run a standard “Hello World” application. Then you’ll use Okteto to develop and automatically update your application without having to install anything locally.

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How to Install Docker Compose on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install Docker Compose on RHEL 9

Docker Compose is a tool for defining and running multi-container Docker applications from a single YAML configuration file (docker-compose.yml or compose.yaml). Instead of manually running multiple docker run commands and configuring networks and volumes by hand, Docker Compose allows you to declare all services (web application, database, cache, message queue) in one file and start […]

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Common Problems 121524

Debian 9 – kernel or grub updates fail because /boot is full

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 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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openSUSE Tumbleweed — zypper — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — zypper — multiple vulnerabilities (2 CVEs) — 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-2017:2111-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-7436 CVE-2017-9269 Upstream summary: In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to […]

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Common Problems 117977

Ubuntu 18.04 UFW Rules Not Applied After Reboot

🟡 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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openSUSE Tumbleweed — fvwm2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — fvwm2 — 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 (see also SUSE bugzilla) Related CVEs: CVE-2006-5969 Upstream summary: CRLF injection vulnerability in the evalFolderLine function in fvwm 2.5.18 and earlier allows local users to execute arbitrary commands via carriage returns […]

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How to Configure MariaDB Galera Cluster on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure MariaDB Galera Cluster on FreeBSD 12

Introduction This guide explains how to Configure MariaDB Galera Cluster on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained […]

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FreeBSD 12 — ruby25-gems — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ruby25-gems — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: RubyGems — multiple vulnerabilities Related CVEs: CVE-2019-8320 CVE-2019-8321 CVE-2019-8322 CVE-2019-8323 CVE-2019-8324 CVE-2019-8325 Upstream summary: RubyGems Security Advisories: CVE-2019-8320: Delete directory using symlink when decompressing tar CVE-2019-8321: Escape sequence injection vulnerability […]

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