Linux

Gentoo Linux — dev-python/pypy-exe-bin — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/pypy-exe-bin — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202409-12 Related CVEs: CVE-2020-27619 Upstream summary: Multiple vulnerabilities have been discovered in pypy. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4 — vulnerability — patch and remediation guide (ELSA-2019-0980)

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-0980 Related CVEs: CVE-2019-0215 CVE-2019-0211 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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Oracle Linux 8 — virt:ol and virt-devel:ol — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol and virt-devel:ol — vulnerability — patch and remediation guide (ELSA-2021-0711)

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0711 Related CVEs: CVE-2020-35517 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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Cómo instalar Nginx en Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar Nginx en Ubuntu 18.04

Nginx es uno de los servidores web más populares del mundo y es responsable de alojar algunos de los sitios más grandes y con mayor tráfico de Internet. En la mayoría de los casos, tiene más recursos que Apache y se puede usar como un servidor web o como un proxy…

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openSUSE Tumbleweed — singularity — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — singularity — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1769-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15229 CVE-2018-19295 CVE-2019-11328 CVE-2019-19724 CVE-2020-13845 CVE-2020-13846 CVE-2020-13847 CVE-2018-12021  +3 more Upstream summary: Singularity (an open source container platform) from version 3.1.1 through 3.6.3 has a […]

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Common Problems 121044

Debian 10: /var fills up due to systemd journal growth

🟠 High   ⏱ 5–30 min  Last verified: 18 February 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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Alpine Linux edge — iproute2 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — iproute2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 5.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — iproute2 5.1.0-r0 Related CVEs: CVE-2019-20795 Upstream summary: Alpine main repository for vedge ships iproute2 5.1.0-r0 which addresses CVE-2019-20795. Table of contents Symptom & Impact Environment […]

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How to Configure OpenDKIM with Postfix on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure OpenDKIM with Postfix on Debian 10

Introduction Deploying configure opendkim with postfix on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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Initial Setup of a Fedora 21 Server — step-by-step Linux tutorial on Progressive Robot

Initial Setup of a Fedora 21 Server

When you first log into a fresh Fedora 21 or RHEL server, it’s not ready for use as a production system. There are a number of recommended steps to take in order to customize and secure it, e.g. enabling a firewall. This tutorial will show you how to give a fresh installation of a Fedora 21 server a better security profile and be ready for use.

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Миграция данных Redis с помощью репликации в Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Миграция данных Redis с помощью репликации в Ubuntu 18.04

Redis — это хранилище данных типа ключ – значение в памяти, известное своей гибкостью, производительностью, широким набором поддерживаемых языков и встроенными функциями, включая репликацию. Репликация — это практика…

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