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How To Protect an Nginx Server with Fail2Ban on Rocky Linux 8 — step-by-step Linux tutorial on Progressive Robot

How To Protect an Nginx Server with Fail2Ban on Rocky Linux 8

In this guide, you will learn how to install `fail2ban` on a Rocky Linux 8 server and configure it to monitor your Nginx logs for intrusion attempts. Fail2ban can significantly mitigate brute force attacks by creating rules that automatically alter your firewall configuration to ban specific IPs after a certain number of unsuccessful login attempts. This will allow your server to harden itself against these access attempts without intervention from you.

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openSUSE Tumbleweed — apache2-mod_wsgi — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache2-mod_wsgi — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2015:0611-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-0240 CVE-2022-2255 Upstream summary: The mod_wsgi module before 3.5 for Apache, when daemon mode is enabled, does not properly handle error codes returned by setuid […]

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Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — flac — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6360-2 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 CVE-2014-8962 CVE-2014-9028 Upstream summary: USN-6360-1 fixed a vulnerability in FLAC. This update provides the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, […]

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How to Set Up Windows Server 2019 Services Management — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Windows Server 2019 Services Management

How to Set Up Windows Server 2019 Services Management Windows services are long-running background processes that start automatically with the operating system and provide core functionality such as networking, security, event logging, and application hosting. Managing Windows services effectively on Windows Server 2019 — including configuring startup types, recovery actions, dependencies, service accounts, and monitoring […]

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Ubuntu 20.04 — dbus — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dbus — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5704-1 Related CVEs: CVE-2022-42010 CVE-2022-42011 CVE-2022-42012 CVE-2020-35512 CVE-2020-12049 Upstream summary: It was discovered that DBus incorrectly handled messages with invalid type signatures. A local attacker could possibly use this issue […]

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Arch Linux — ruby — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — ruby — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-23 Related CVEs: CVE-2021-32066 CVE-2021-31810 CVE-2019-16255 CVE-2019-16254 CVE-2019-16201 CVE-2019-15845 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 3.0.1-1. Fixed in: 3.0.2-1. Group: AVG-2138. Table of contents Symptom & Impact Environment […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12017)

🟠 High   ⏱ 15–60 min  Last verified: 30 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12017 Related CVEs: CVE-2022-42896 CVE-2022-42895 CVE-2022-4378 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 — vim — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — vim — vulnerability — patch and remediation guide (ELSA-2022-0894)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-0894 Related CVEs: CVE-2022-0392 CVE-2022-0359 CVE-2022-0361 CVE-2022-0413 CVE-2022-0318 CVE-2022-0261 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Amazon Linux 2 — java-1.7.0-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — java-1.7.0-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1731 Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2018-3136 CVE-2018-3139 CVE-2018-3149 CVE-2018-3169 CVE-2018-3180 CVE-2018-3214  +12 more Upstream summary: No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2023-12018)

🟠 High   ⏱ 15–60 min  Last verified: 30 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12018 Related CVEs: CVE-2022-42896 CVE-2022-42895 CVE-2022-4378 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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