Linux

Cómo instalar WordPress con LEMP en Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar WordPress con LEMP en Ubuntu 18.04

WordPress es el sistema de gestión de contenido (CMS) más popular de Internet. Le permite configurar de forma sencilla blogs y sitios web flexibles sobre un backend de MySQL con procesamiento PHP. WordPress ha recibido una increíble acogida y es una excelente opción para dejar…

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How to Install MySQL 8 on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install MySQL 8 on RHEL 8

MySQL 8 is one of the most widely deployed relational database systems in the world, offering robust performance, strong security features, and broad application compatibility. On RHEL 8, MySQL is not included in the default AppStream modules, so you must add the official MySQL community repository before installing. This guide walks through adding the MySQL […]

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Common Problems 120981

Debian 10 – dpkg Interrupted State Blocks Package Operations – Full Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 30 March 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 115419

RHEL 7 firewalld dropping application traffic after zone change

🟠 High   ⏱ 5–30 min  Last verified: 30 March 2020 Affected versions: RHEL 7 📖 ~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 Errors & […]

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Common Problems 114984

RHEL 8 Podman Image Pull Fails With Certificate Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 30 March 2020 📖 ~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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Ubuntu 14.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — spamassassin — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 March 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4899-2 Related CVEs: CVE-2020-1946 CVE-2020-1930 CVE-2020-1931 CVE-2018-11805 CVE-2019-12420 CVE-2017-15705 CVE-2018-11780 CVE-2018-11781 Upstream summary: USN-4899-1 fixed a vulnerability in SpamAssassin. This update provides the corresponding update for Ubuntu 14.04 ESM. Original […]

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Gentoo Linux — sys-devel/gettext — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-devel/gettext — 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-202208-33 Related CVEs: CVE-2020-12825 Upstream summary: The cr_parser_parse_any_core function in libcroco's cr-parser.c does not limit recursion, leading to a denial of service via a stack overflow when trying to parse crafted CSS. […]

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SLES 15 — memcached — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — memcached — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 March 2020 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2020:2072-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11596 CVE-2009-1494 CVE-2011-4971 CVE-2013-7239 CVE-2016-8704 CVE-2016-8705 CVE-2016-8706 CVE-2017-9951  +6 more Upstream summary: In memcached before 1.5.14, a NULL pointer dereference was found in the "lru […]

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Top 10 Linux Easter Eggs — step-by-step Linux tutorial on Progressive Robot

Top 10 Linux Easter Eggs

Linux can be hard work. This article was made to show the other side of Linux, where things don’t have to be so serious all of the time. Many of the people who contribute to open source projects have a great sense of humor.

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How to Configure Docker with a Non-Root User on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Docker with a Non-Root User on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure docker with a non-root user on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step […]

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