🟡 Medium ⏱ 10–30 min Last verified: 1 September 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-8808 CVE-2018-0503 CVE-2019-11358 CVE-2019-16738 CVE-2019-19709 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]
Icinga is a flexible and powerful open-source monitoring system used to oversee the health of networked hosts and services. This tutorial will cover installing the Icinga core, its database backend, and the Icinga Web interface. Finally, we’ll set up email notification so you can receive alerts in your inbox when a service is misbehaving.
Ghost is a clean blogging platform that is focused on clear presentation and easy content creation. the cloud provider has a one-click Ghost installation image, which you can use to install Ghost on your VPS. In this guide, we will discuss how to edit themes and basic settings in Ghost.
🟠 High ⏱ 5–30 min Last verified: 31 August 2019 Affected versions: Ubuntu 16.04 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 […]
🟡 Medium ⏱ 5–30 min Last verified: 31 August 2019 📖 ~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 References & Further […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-201707-23 Related CVEs: CVE-2017-10987 CVE-2017-10986 CVE-2017-10985 CVE-2017-10984 CVE-2017-10983 CVE-2017-10978 CVE-2017-9148 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 3.0.14-4. Fixed in: 3.0.15-1. Group: AVG-357. Table of contents Symptom & Impact […]
Checkmk is a monitoring solution that is both robust and simpler to install than many of its competitors. It is a self-contained software bundle that combines Nagios (a popular and open-source alerting service) with add-ons for gathering, monitoring, and graphing data. It also comes with Checkmk’s web interface — a comprehensive tool that addresses many of Nagios’s shortcomings. In this guide we will set up Checkmk and monitor two separate hosts: an Ubuntu 18.04 server and a CentOS 7 server.
Rust is a systems programming language focused on safety, speed, and concurrency. On RHEL 8, the recommended way to install Rust is through rustup, the official Rust toolchain installer, which lets you manage multiple Rust versions and cross-compilation targets from a single tool. This approach keeps your Rust installation self-contained under your home directory and […]
O Redis é um datastore ou armazenamento de dados open-source de chave-valor na memória. Se você instalou o Redis localmente ou está trabalhando com uma instância remota, é necessário conectar-se a ele para executar a maioria das operações. Neste tutorial,…
Rate limiting and connection throttling are essential defences against brute-force attacks, credential stuffing, and high-volume web scrapers. Nginx provides two built-in modules — ngx_http_limit_req_module for request-rate limiting and ngx_http_limit_conn_module for connection limiting — both compiled into the default binary. On RHEL 8 these capabilities are available immediately after installing Nginx from the AppStream module stream […]
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