How to Set Up an IKEv2 VPN Server with StrongSwan on Ubuntu 22.04
A virtual private network, or VPN, allows you to securely encrypt traffic as it travels through untrusted networks, such as those at the coffee shop, a conference, or an airport.
Ubuntu 22.04 LTS – VirtualBox modules fail after kernel upgrade – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 13 November 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 […]
Использование Ansible для установки и настройки LAMP в Ubuntu 18.04
Автоматизация сервера сегодня играет важнейшую роль в системном администрировании, что вызвано расходной природой современных сред приложений. Инструменты [управления…
Ubuntu 18.04 — python-bottle — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 13 November 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5532-1 Related CVEs: CVE-2022-31799 CVE-2020-28473 Upstream summary: It was discovered that Bottle incorrectly handled errors during early request binding. An attacker could possibly use this issue to disclose sensitive information. […]
Cómo instalar y configurar Elasticsearch en Ubuntu 18.04
Elasticsearch es una plataforma para la búsqueda y el análisis distribuidos de datos en tiempo real. Es una opción popular debido a su facilidad de uso, sus funciones potentes y su escalabilidad. En este artículo, se explicará cómo instalar…
Ubuntu 22.04 LTS – Timeshift snapshot restore leaves unbootable initramfs – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 12 November 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 […]
Ubuntu 20.04 — knot-resolver — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 12 November 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7047-1 Related CVEs: CVE-2019-10190 CVE-2019-10191 CVE-2019-19331 CVE-2020-12667 CVE-2022-40188 Upstream summary: Vladimír Čunát discovered that Knot Resolver incorrectly handled input during DNSSEC validation. A remote attacker could possibly use this issue […]
How To Use the Emacs Editor in Linux
In this article, we will see how we can install emacs in a Linux system and use it for basic text editing. Emacs is also available for graphical window managers for Linux like GNOME; however, we will only cover the “text based” version here.
Ubuntu 18.04 — ntfs-3g — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 11 November 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5711-1 Related CVEs: CVE-2022-40284 CVE-2021-46790 CVE-2022-30783 CVE-2022-30784 CVE-2022-30785 CVE-2022-30786 CVE-2022-30787 CVE-2022-30788 +4 more Upstream summary: Yuchen Zeng and Eduardo Vela discovered that NTFS-3G incorrectly validated certain NTFS metadata. A local […]
Ubuntu 22.04 — libbpf — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 11 November 2022 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5759-1 Related CVEs: CVE-2021-45940 CVE-2021-45941 CVE-2022-3533 CVE-2022-3534 CVE-2022-3606 Upstream summary: It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue […]
