January 2023 - Page 60 of 72

How To Install Python 3 and Set Up a Programming Environment on CentOS 8

• January 6, 2023
• Linux
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This tutorial will guide you through installing Python on a CentOS 8 cloud server and setting up a programming environment via the command line. An increasingly popular language with many different applications, Python is a great choice for beginners and experienced developers alike.

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Ubuntu 22.04 — rsyslog — vulnerability — patch and remediation guide

• January 6, 2023
• Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5404-1 Related CVEs: CVE-2022-24903 Upstream summary: Pieter Agten discovered that Rsyslog incorrectly handled certain requests. An attacker could possibly use this issue to cause a crash. Table of contents Symptom […]

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CentOS Stream 9 — python-mako — vulnerability — patch and remediation guide

• January 6, 2023
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:2258 Related CVEs: CVE-2022-40023 Upstream summary: Mako is a template library written in Python. It provides a familiar, non-XML syntax which compiles into Python modules for maximum performance. Security Fix(es): * […]

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How To Install Elasticsearch, Logstash, and Kibana (Elastic Stack) on Ubuntu 22.04

• January 6, 2023
• Linux
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In this tutorial, we will go over the installation of the Elastic Stack on an Ubuntu 22.04 server. You will learn how to install all of the components of the Elastic Stack (including Filebeat, a Beat used for forwarding and centralizing logs and files) and configure them to gather and visualize system logs. We will install all components on a single server, which we will refer to as our Elastic Stack Server.

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IBM AIX 7.3 — CVE-2004-0545 — vulnerability — patch and remediation guide

• January 6, 2023
• Tutorials
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🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2004-0545, IBM Support Bulletin CVE: CVE-2004-0545 NVD summary: LVM for AIX 5.1 and 5.2 allows local users to overwrite arbitrary files via a symlink attack. References: www-1.ibm.com/services/continuity/recover1.nsf/m   www.ciac.org/ciac/bulletins/o-131.shtml   www.securityfocus.com/bid/10230 Table […]

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Oracle Linux 8 — GraalVM — vulnerability — patch and remediation guide (ELSA-2022-9655)

• January 6, 2023
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9655 Related CVEs: CVE-2022-25647 CVE-2022-21549 CVE-2022-21541 CVE-2022-34169 CVE-2022-21540 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Установка и настройка Ansible в Ubuntu 18.04 [Краткое руководство]

• January 6, 2023
• Linux
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В этом руководстве мы расскажем, как устанавливать и настраивать Ansible на сервере Ubuntu 18.04. Более детальный вариант настоящего руководства с подробным разъяснениями каждого шага можно найти в статье [«Установка и настройка Ansible в Ubuntu…

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How to Set Up VLAN Support on Windows Server 2022

• January 6, 2023
• Tutorials
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How to Set Up VLAN Support on Windows Server 2022 Virtual Local Area Networks (VLANs) segment a physical network into multiple isolated logical networks using 802.1Q VLAN tagging. On Windows Server 2022, VLAN support is available at multiple layers: directly on a physical network adapter (access port configuration), on NIC team members, on NIC team […]

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AlmaLinux 8 — uom-parent — multiple vulnerabilities (4 CVEs) — patch and remediation guide

• January 5, 2023
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:0290 Related CVEs: CVE-2021-4104 CVE-2022-23302 CVE-2022-23305 CVE-2022-23307 Upstream summary: Parfait is a Java performance monitoring library that collects metrics and exposes them through a variety of outputs. It provides APIs for extracting […]

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Ubuntu 16.04 LTS – apt update shows Temporary failure resolving archive.ubuntu.com – Fix & Prevention

• January 5, 2023
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 16.04 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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