September 2020 - Page 31 of 66

How To Monitor MongoDB with Grafana and Prometheus on Ubuntu 20.04

• September 17, 2020
• Linux
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It is crucial for any database administrator to avoid performance or memory issues. Tools such as Prometheus and Grafana can help you monitor your database cluster performance. Prometheus is an open-source monitoring and alerting platform. Grafana is an open-source analytics and interactive visualization web application. In this tutorial, you will set up a MongoDB database and monitor it with Grafana using Prometheus as a data source.

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Ubuntu 18.04 — postsrsd — vulnerability — patch and remediation guide

• September 17, 2020
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4730-1 Related CVEs: CVE-2020-35573 Upstream summary: It was discovered that PostSRSd mishandled certain input. A remote attacker could use this vulnerability to cause a denial of service via a long […]

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Мониторинг объявлений и мероприятий по BGP при помощи BGPalerter в Ubuntu 18.04

• September 17, 2020
• Linux
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Автор выбрал COVID-19 Relief Fund для получения пожертвования в рамках программы Write for DOnations. [BGP (таблица пограничного межсетевого…

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How To Create Nagios Plugins With Ruby On Ubuntu 12.10

• September 17, 2020
• Linux
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After completing this tutorial, you’ll have created Nagios Plugins with Ruby on an Ubuntu 12.10 virtual server.

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How To Create an SSL Certificate on Nginx for Ubuntu 14.04

• September 17, 2020
• Linux
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TLS and SSL are protocols that allow you to send encrypted information between a web server and a client’s browser. In this guide, we will demonstrate how to create an SSL certificate for Nginx on an Ubuntu 14.04 server.

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Comment configurer Apache HTTP avec MPM Event et PHP-FPM sur Ubuntu 18.04

• September 17, 2020
• Linux
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L’auteur a choisi le COVID-19 Relief Fund pour recevoir un don dans le cadre du programme Write for DOnations. Au fil des années, le serveur Web [Apache…

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Cómo instalar el servidor web Apache en Ubuntu 18.04

• September 17, 2020
• Linux
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Una versión previa de este tutorial fue escrita por Justin Ellingwood El servidor HTTP Apache es el servidor web más usado en el mundo. Provee muchas características poderosas, incluyendo módulos de carga…

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How to Harden the Linux Kernel with sysctl on RHEL 9

• September 17, 2020
• Linux
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The Linux kernel exposes hundreds of tunable parameters through the sysctl interface that control network behavior, memory protection, and file system security. Many of these defaults prioritize compatibility over security. By writing a hardening configuration to /etc/sysctl.d/, you can reduce the kernel attack surface, enable mitigations against common network attacks, and enforce memory safety features […]

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Oracle Linux 8 — libpcap security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-4547)

• September 16, 2020
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4547 Related CVEs: CVE-2019-15165 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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IBM AIX 7.2 — CVE-2020-4230 — vulnerability — patch and remediation guide

• September 16, 2020
• Tutorials
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🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2020-4230, IBM Support Bulletin CVE: CVE-2020-4230 NVD summary: IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.1 and 11.5 is vulnerable to an escalation of privilege when an authenticated […]

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