Linux

How To Install MySQL on CentOS 8 — step-by-step Linux tutorial on Progressive Robot

How To Install MySQL on CentOS 8

MySQL is an open-source database management system, commonly installed as part of the popular LEMP (Linux, Nginx, MySQL/MariaDB, PHP/Python/Perl) stack. It implements the relational model and Structured Query Language (SQL) to manage and query data. This tutorial explains how to install MySQL version 8 on a CentOS 8 server.

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Common Problems 120679

Debian 11 User Accounts Locked Out by PAM Policy

🟠 High   ⏱ 5–30 min  Last verified: 8 October 2022 Affected versions: Debian 11 📖 ~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 117105

Ubuntu 22.04 LTS – Fail2ban not banning due to wrong log path – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 October 2022 Affected versions: Ubuntu 22.04 LTS 📖 ~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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Debian 11 — boinc — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — boinc — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-0126 CVE-2011-5280 CVE-2013-2018 CVE-2013-2019 CVE-2013-2298 CVE-2013-7386 Upstream summary: The decrypt_public function in lib/crypt.cpp in the client in Berkeley Open Infrastructure for Network Computing (BOINC) 6.2.14 and 6.4.5 does […]

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Debian 11 — firehol — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — firehol — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0225 CVE-2008-4953 Upstream summary: firehol.sh in FireHOL before 1.224 creates temporary files with predictable file names, which could allow local users to overwrite arbitrary files via a symlink […]

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Как установить и настроить VNC в Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

Как установить и настроить VNC в Ubuntu 16.04

VNC (расшифровывается как Virtual Network Computing) – это система, позволяющая вам использовать клавиатуру и мышь для взаимодействия с графическим интерфейсом пользователя на удалённом сервере. Эта система позволяет управлять файлами, программным обеспечением и настройками на…

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Gentoo Linux — sys-apps/dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-apps/dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202305-04 Related CVEs: CVE-2022-31212 CVE-2022-31213 Upstream summary: Multiple vulnerabilities have been discovered in dbus-broker. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 11 — cfrpki — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — cfrpki — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3761 CVE-2021-3907 CVE-2021-3908 CVE-2021-3909 CVE-2021-3910 CVE-2021-3911 CVE-2021-3912 CVE-2021-3978  +3 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Oracle Linux 9 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libtiff — vulnerability — patch and remediation guide (ELSA-2023-0302)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-0302 Related CVEs: CVE-2022-2057 CVE-2022-2521 CVE-2022-2519 CVE-2022-2056 CVE-2022-2520 CVE-2022-2953 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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