SSH Port Forwarding: Local, Remote, and Dynamic Explained
Learn how to set up SSH port forwarding using local, remote, and dynamic methods. Securely tunnel your network traffic with clear, step-by-step examples.
Ubuntu 14.04 — rssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 23 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-3946-1 Related CVEs: CVE-2019-1000018 CVE-2019-3463 CVE-2019-3464 Upstream summary: It was discovered that rssh incorrectly handled certain command-line arguments and environment variables. An authenticated user could bypass rssh's command restrictions, allowing […]
How To Use Duplicity with GPG to Securely Automate Backups on Ubuntu
Duplicity is a simple backup solution that can be used to backup data from a VPS instance to another VPS or a local machine. In this guide, we will demonstrate how to install duplicity on Ubuntu and configure it to perform automated backups.
Ubuntu 18.04 — italc — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 22 August 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4547-1 Related CVEs: CVE-2018-15127 CVE-2018-20019 CVE-2018-20020 CVE-2018-20021 CVE-2018-20022 CVE-2018-20023 CVE-2018-20024 CVE-2018-20748 +4 more Upstream summary: It was discovered that an information disclosure vulnerability existed in the LibVNCServer vendored in iTALC […]
How To Configure Secure Updates and Installations in WordPress on Ubuntu
WordPress is the most popular content management system (CMS) on the web currently. While WordPress can be a great way to manage you content, there are some very insecure configurations that are given throughout the internet. This article will cover how to set up secure updates and installations using SSH keys instead of FTP, which is an inherently insecure protocol.
Ubuntu 16.04 LTS – apt update fails with 404 Not Found for package index – Fix & Prevention
🟡 Medium ⏱ 5–30 min Last verified: 21 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 […]
How To Set Up Multiple SSL Certificates on One IP with Lighttpd
Server Name Indication (SNI) is a feature of the TLS protocol which enables setting up multiple SSL certficates on a single IP address.
How To Install MongoDB on Ubuntu 14.04
MongoDB is a free and open-source NoSQL document database used commonly in modern web applications. This tutorial will help you set up MongoDB on your server for a production application environment.
Ubuntu 14.04 — libbsd — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 21 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4243-1 Related CVEs: CVE-2016-2090 CVE-2019-20367 Upstream summary: It was discovered that libbsd incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only […]
How To Build Go from Source on Ubuntu 16.04
Go is a modern, open-source programming language developed by Google. If you want to test your Go application against the latest version of the language, contribute to the Go code base, or have better Go version management, you’ll need to build Go from source. This tutorial will show you how to build Go, cover some practical considerations, and build a “Hello, World” test application.
