How to Set Up SSH Keys on Ubuntu 18.04
SSH-key-based authentication provides a more secure alternative to password-based authentication. In this tutorial we’ll learn how to set up SSH key-based authentication on an Ubuntu 18.04 installation.
Установка Linux, Nginx, MySQL, PHP (набора LEMP) в Ubuntu 18.04
Набор LEMP — это комплекс программного обеспечения, используемый для обслуживания динамических веб-страниц и веб-приложений. Аббревиатура LEMP обозначает операционную систему Linux с веб-сервером Nginx (произносится как «энджинкс»). Данные серверной части хранятся в базе…
Como Solucionar Problemas no MySQL
O MySQL é um sistema gerenciador de banco de dados relacional open-source, o mais popular de seu tipo no mundo. Como é comum quando se trabalha com qualquer software, tanto os novatos quanto os usuários experientes podem encontrar mensagens de erro…
Ubuntu 18.04 LTS – SSH key authentication fails due to permission errors – Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 15 July 2020 Affected versions: Ubuntu 18.04 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 18.04 — isc-kea — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 15 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7759-1 Related CVEs: CVE-2019-6473 Upstream summary: It was discovered that Kea DHCP did not correctly handle invalid hostnames. A remote attacker could possibly use this issue to cause a denial […]
How To Install Redis from Source on Ubuntu 18.04
Redis is an in-memory key-value store known for its flexibility, performance, and broad language support. It is commonly used as a database, cache, and message broker, and supports a wide range of data structures. This tutorial demonstrates how to install and configure Redis from source on an Ubuntu 18.04 server.
Ubuntu 18.04 — linux-aws-5.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 12 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4301-1 Related CVEs: CVE-2019-19053 CVE-2019-19056 CVE-2019-19058 CVE-2019-19059 CVE-2019-19066 CVE-2019-19068 CVE-2019-3016 CVE-2020-2732 +12 more Upstream summary: It was discovered that the KVM implementation in the Linux kernel, when paravirtual TLB flushes […]
How To Install the Anaconda Python Distribution on Ubuntu 18.04
This tutorial will guide you through installing the Python 3 version of Anaconda on an Ubuntu 18.04 server.
How To Configure Remote Access for MongoDB on Ubuntu 18.04
This tutorial walks you through configuring a MongoDB installation to securely allow access from a trusted remote computer. This will involve updating your firewall rules to provide the remote server access to MongoDB’s default port and changing Mongo’s configuration file to update its IP binding setting.
Ubuntu 18.04 — libdbi-perl — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 10 July 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5030-1 Related CVEs: CVE-2014-10402 CVE-2020-14393 CVE-2019-20919 CVE-2020-14392 Upstream summary: It was discovered that the Perl DBI module incorrectly opened files outside of the folder specified in the data source name. […]
