In this tutorial, you’ll make an Express API server in Node.js that serves up a GraphQL endpoint. You will also build a GraphQL schema based on the GraphQL type system, including operations such as queries and mutations, as well as resolver functions to generate responses for any requests. You will also use the GraphiQL integrated development environment (IDE) to explore and debug your schema and query the GraphQL API from a client.
đźź High ⏱ 15–60 min Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2015-9099 CVE-2015-9100 CVE-2015-9101 CVE-2017-11720 CVE-2017-13712 CVE-2017-15018 CVE-2017-15019 CVE-2017-15045 +7 more Upstream summary: The lame_init_params function in lame.c in libmp3lame.a in LAME 3.99.5 allows remote attackers to cause a […]
🟢 Low ⏱ 5–15 min Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-10747 CVE-2021-23440 Upstream summary: set-value is vulnerable to Prototype Pollution in versions lower than 3.0.1. The function mixin-deep could be tricked into adding or modifying properties of Object.prototype […]
đźź High ⏱ 15–60 min Last verified: 30 October 2021 Affected versions: Debian 11 (bullseye) đź“– ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2005-2491 CVE-2005-4872 CVE-2006-7225 CVE-2006-7226 CVE-2006-7227 CVE-2006-7228 CVE-2006-7230 CVE-2007-1659 +12 more Upstream summary: Integer overflow in pcre_compile.c in Perl Compatible Regular Expressions (PCRE) before 6.2, as used in multiple […]
How to Harden SSH on RHEL 7 SSH (Secure Shell) is the primary remote administration protocol for RHEL 7 servers, and by default its configuration leaves several attack vectors open. Brute-force attacks against exposed SSH ports are constant on any internet-facing host, making SSH hardening one of the first tasks every RHEL 7 administrator should […]
Grafana is an open-source data visualization and monitoring tool that integrates with complex data sources like Prometheus and ElasticSearch. Grafana lets you create alerts, notifications, and ad-hoc filters for your data while also making collaboration with your teammates easier through built-in sharing features. In this tutorial, you will install Grafana and secure it with an SSL certificate and an Nginx reverse proxy. You will also set up GitHub authentication.
đźź High ⏱ 5–30 min Last verified: 29 October 2021 Affected versions: 20.04 đź“– ~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 & Cross-Refs […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 đź“– ~4 min read • Source: AlmaLinux ALSA ALBA-2020:1847 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟡 Medium ⏱ 10–30 min Last verified: 29 October 2021 Affected versions: Oracle Linux 8 đź“– ~4 min read • Source: ELSA advisory ELSA-2020-5483 Related CVEs: CVE-2020-24659 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
TensorFlow callbacks are essential to training deep learning models, providing a high degree of control over many aspects of your model training.
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