May 2020 - Page 33 of 69

How to Configure rkhunter Rootkit Scanner on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure rkhunter Rootkit Scanner on Debian 10

Introduction How to Configure rkhunter Rootkit Scanner on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 10. […]

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Ubuntu 20.04 — imlib2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — imlib2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5099-1 Related CVEs: CVE-2020-12761 Upstream summary: It was discovered that Imlib2 incorrectly handled certain ICO images. An attacker could use this issue to cause a denial of service and possibly […]

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Ubuntu 16.04 — libpcap — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libpcap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4221-1 Related CVEs: CVE-2019-15165 Upstream summary: It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of […]

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Написание пакетов в Go — step-by-step Programming tutorial on Progressive Robot

Написание пакетов в Go

Пакет состоит из файлов Go, которые находятся в том же каталоге и имеют одинаковое выражение пакета в начале. Вы можете добавить дополнительные функции из пакетов, чтобы усложнить программы. Некоторые пакеты доступны в стандартной библиотеке Go и устанавливаются вместе с Go. Другие можно…

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Ubuntu 14.04 — ansible — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7330-1 Related CVEs: CVE-2015-3908 CVE-2015-6240 CVE-2016-8614 CVE-2019-10206 CVE-2019-14846 CVE-2019-14904 CVE-2020-10729 CVE-2020-1739 Upstream summary: It was discovered that Ansible did not properly verify certain fields of X.509 certificates. An attacker could […]

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Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libxml2 — vulnerability — patch and remediation guide (ELSA-2020-1827)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1827 Related CVEs: CVE-2018-14404 CVE-2018-9251 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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How to Install and Configure SQLite on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure SQLite on RHEL 8

SQLite is a serverless, file-based relational database engine that requires no installation of a separate server process and no ongoing administration. It stores an entire database — tables, indexes, and data — in a single cross-platform file, making it ideal for development environments, embedded applications, configuration stores, and lightweight production workloads that do not need […]

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