🟡 Medium ⏱ 5–30 min Last verified: 2 May 2020 Affected versions: Debian 10 📖 ~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: 2 May 2020 📖 ~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 […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2021:0940-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-15522 Upstream summary: Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing […]
Learn how to use SSH to securely connect to a remote server. This step-by-step guide covers setup, syntax, key auth, troubleshooting, and best practices.
OpenVPN is a full-featured open source Secure Socket Layer (SSL) VPN solution that accommodates a wide range of configurations. In this tutorial, we’ll set up an OpenVPN server on a Droplet and then configure access to it from Windows, OS X, iOS and Android. This tutorial will keep the installation and configuration steps as simple as possible for these setups.
In the previous tutorial, we prepped our servers for data migration. At this point, your target and source system should be able to communicate (the target system should have SSH access to the source system), and you should also have a list of software and services that you need to transfer, complete with version numbers of the most important components. In this guide, we’ll continue where we left off and begin the actual migration to our new server.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202204-3 Related CVEs: CVE-2018-25032 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1:1.2.11-1. Fixed in: 1:1.2.12-1. Group: AVG-2657. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
Introduction How to Configure StrongSwan IPsec on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This […]
CFEngine is a scalable configuration management tool for your IT infrastructure. CFEngine allows you to use the same tool and policy language to manage everything in your infrastructure: Linux, Mac, Windows, BSD, Solaris, IBM AIX, HP-UX, and others. In this tutorial, you will install CFEngine Community Edition 3.21 on Ubuntu 20.04, write sample policy files, and automate your policy runs.
In this tutorial, you are going to add ngx_pagespeed module to nginx by building it from Debian wheezy backport source, because Debian backports repository has a more recent nginx version than the stable repository, which is at the time of writing this tutorial version 1.4.4.
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