How To Install and Configure Django with Postgres, Nginx, and Gunicorn
This tutorial runs through both installing and configuring Django with Postgres, Nginx, and Gunicorn on your VPS.
How To Configure BIND as a Private Network DNS Server on Ubuntu 18.04
An important part of managing server configuration and infrastructure includes maintaining an easy way to look up network interfaces and IP addresses by name, by setting up a proper Domain Name System (DNS). Using fully qualified domain names (FQDNs), instead of IP addresses,…
Hibernate Native SQL Query Example
Welcome to the Hibernate Native SQL Query example tutorial. We looked into [Hibernate Query Language](/community/tutorials/hibernate-query-language-hql-example-tutorial "Hibernate Query Language (HQL) Example Tutorial") and [Hibernate Criteria](/community/tutorials/hibernate-criteria-example-tutorial "Hibernate Criteria Example Tutorial") in earlier articles, today we will look into Hibernate Native SQL query with examples. Hibernate SQL Query ![hibernate sql query, hibernate native sql, hibernate sql, hibernate native […]
How to Configure an NTP Server on Windows Server 2016
How to Configure Windows Server 2016 NTP Server Accurate time synchronization is critical for Active Directory authentication, Kerberos tickets, audit logs, and certificate validity. Windows Server 2016 includes the Windows Time Service (W32TM) which can be configured to act as an NTP server for your network. This guide explains how to configure a Windows Server […]
GPT 5.3 Codex is the Next Level for Agentic Coding
In this tutorial, we examine the powerful, new OpenAI GPT-5.3-Codex model, discuss it’s strengths, and show how you can access GPT-5.3-Codex today with Gradient!
Oracle Linux 8 — virt:ol and virt-devel:ol — security and stability fixes — required update (ELSA-2023-0099)
🟢 Low ⏱ 5–15 min Last verified: 16 December 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2023-0099 Related CVEs: CVE-2022-4144 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
How to Configure NUMA Architecture on Oracle Linux 8
Introduction How to Configure NUMA Architecture on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]
Ubuntu 16.04 — libpam-krb5 — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 16 December 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4314-1 Related CVEs: CVE-2020-10595 Upstream summary: Russ Allbery discovered that pam-krb5 incorrectly handled some responses. An attacker could possibly use this issue to execute arbitrary code. Table of contents Symptom […]
Windows Server 2012 R2 — AD Recycle Bin recovery needed to restore accidentally deleted user object — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 16 December 2020 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]
Gentoo Linux — dev-python/jinja — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202107-19 Related CVEs: CVE-2020-28493 Upstream summary: The ‘urlize’ filter in Jinja utilized an inefficient regular expression that could be exploited to consume excess CPU. Table of contents Symptom & Impact Environment & […]