What is MEAN?
MEAN is a free and open-source set of technologies for creating dynamic websites and web applications with JavaScript.
Ubuntu 20.04 — python-rsa — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 January 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4478-2 Related CVEs: CVE-2020-13757 Upstream summary: USN-4478-1 fixed a vulnerability in Python-RSA. This update provides the corresponding update for Ubuntu 16.04 ESM, Ubuntu 18.04 ESM and Ubuntu 20.04 ESM. Original […]
Java Files – java.nio.file.Files Class
URL: https://www.progressiverobot.com/java-files-nio-files-class/ Java Files class was introduced in Java 1.7 and is a part of java.nio.file package. Java Files Class Java Files class contains [static](/community/tutorials/static-keyword-in-java) methods that work on files and directories. This class is used for basic file operations like create, read, write, copy and delete the files or directories of the file system. […]
How To Migrate Redis Data with Replication on Ubuntu 18.04
Replication is the practice of regularly copying data from one database to another so as to have a replica that always remains an exact duplicate of the primary instance. This tutorial outlines the process of using Redis’s built-in replication features to migrate data from one Ubuntu 18.04 server to another.
How to Harden SSH on Oracle Linux 8
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying harden ssh on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Harden SSH on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Ubuntu 16.04 — horizon — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 January 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4675-1 Related CVEs: CVE-2020-29565 Upstream summary: Pritam Singh discovered that OpenStack Horizon incorrectly validated certain parameters. An attacker could possibly use this issue to cause OpenStack Horizon to redirect to […]
Ubuntu 20.04にRedisをインストールしてセキュリティを保護する方法
Radis は、柔軟性、パフォーマンス、幅広い言語サポートで知られるインメモリ型の Key-Value ストアです。このチュートリアルでは、Ubuntu 20.04サーバーにRedisをインストール、設定する方法を説明します。
Arch Linux — docker — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201701-19 Related CVEs: CVE-2016-9962 CVE-2021-21285 CVE-2021-21284 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 1:1.12.5-1. Fixed in: 1:1.12.6-1. Group: AVG-133. Table of contents Symptom & Impact Environment & Reproduction Root […]
How To Create Nagios Plugins With Python On Ubuntu 12.10
After completing this tutorial, you’ll have created Nagios Plugins with Python on an Ubuntu 12.10 virtual server.
Ubuntu 16.04 — adminer — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 January 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5271-1 Related CVEs: CVE-2020-35572 CVE-2021-21311 CVE-2021-29625 Upstream summary: It was discovered that Adminer did not escape data in the history parameter of the default URI. A remote attacker could possibly […]
