🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.6.11-r0 📖 ~4 min read • Source: Alpine secdb entry — gitolite 3.6.11-r0 Related CVEs: CVE-2018-20683 Upstream summary: Alpine main repository for vedge ships gitolite 3.6.11-r0 which addresses CVE-2018-20683. Table of contents Symptom & Impact Environment […]
Learn everything about multithreading in Java, including core concepts, practical examples, common pitfalls, and when to use multithreading for optimal performance.
It is often difficult to undo changes made to your Linux system. This article discusses strategies to revert changes using some popular methods like backups, version control, and your distribution’s package manager to restore files.
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2025-2930 Related CVEs: CVE-2020-25659 Upstream summary: python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext. (CVE-2020-25659) Table of […]
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 a Debian 10 installation.
NFS, or Network File System, is a distributed file system protocol that allows you to mount remote directories on your server. *Block storage* is a generic term used to describe network-based storage volumes that are usually offered by hosting providers. Block storage usually does not provide its own API for direct access. Instead, it needs to be mounted to an existing server and shared from that server. Running an NFS server on an attached droplet is a good solution to expose block storage.
How to Set Up VLAN Support on Windows Server 2016 Virtual Local Area Networks (VLANs) allow you to segment a physical network into multiple isolated logical networks. On Windows Server 2016, VLAN support is available through the built-in NIC teaming interface, the Hyper-V virtual switch, and directly on physical adapters using vendor-supplied drivers. Proper VLAN […]
Learn how to make HTTP requests in Go using the net/http package. Includes examples for GET, POST, headers, JSON parsing, and error handling.
Apache Kafka is a popular distributed message broker designed to efficiently handle large volumes of real-time data. In this tutorial, you will install and use Apache Kafka 1.1.0 on Ubuntu 18.04.
MongoDB provides a robust query mechanism that makes it straightforward to define filtering criteria when retrieving documents. In this tutorial, you’ll learn how to query MongoDB collections using a different range of filters and conditions. You will also learn what cursors are and how to use them within the MongoDB shell.
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