Using mod_wsgi to Serve Applications on Ubuntu 12.04
This is the third article in a series of three about mod_wsgi. This article covers deploying a django application using mod_wsgi and apache.
How To Install and Use ClickHouse on CentOS 7
ClickHouse is an open-source, column-oriented analytics database created by Yandex for OLAP and big data use cases. In this tutorial, you’ll install the ClickHouse database server and client on your machine. You’ll use the DBMS for typical tasks and optionally enable remote access from another server so that you’ll be able to connect to the database from another machine.
How To Create a calibre Ebook Server on Ubuntu 20.04
calibre is a free and open source ebook manager.
How to Install and Configure Nagios Core on RHEL 8
Nagios Core is one of the most widely-deployed open-source IT infrastructure monitoring systems in the world, providing alerting and status dashboards for hosts, services, and network devices. On RHEL 8, installing Nagios Core from source gives you the latest release and full control over the build configuration. This tutorial walks through every step from prerequisite […]
Oracle Linux 8 — kexec-tools security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-4404)
🟢 Low ⏱ 5–15 min Last verified: 23 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-4404 Related CVEs: CVE-2021-20269 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
AlmaLinux 8 — mesa-demos — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALEA-2020:4742 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 […]
Ubuntu 20.04 LTS – apt lock prevents updates during maintenance windows – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 23 June 2021 Affected versions: Ubuntu 20.04 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 […]
AlmaLinux 8 — source-highlight — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:1892 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 […]
Alpine Linux edge — klibc — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.0.9-r0 📖 ~4 min read • Source: Alpine secdb entry — klibc 2.0.9-r0 Related CVEs: CVE-2021-31870 CVE-2021-31871 CVE-2021-31872 CVE-2021-31873 Upstream summary: Alpine community repository for vedge ships klibc 2.0.9-r0 which addresses CVE-2021-31870. Table of contents Symptom […]
openSUSE Tumbleweed — python38-sentry-sdk — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2023:0005-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-44420 Upstream summary: In Django 2.2 before 2.2.25, 3.1 before 3.1.14, and 3.2 before 3.2.10, HTTP requests for URLs with trailing newlines could bypass upstream […]
