Ubuntu 16.04

Common Problems 118389

Ubuntu 16.04 LTS – apt update fails with NO_PUBKEY for third-party repository – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 December 2020 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 […]

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Initial Server Setup with Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

Initial Server Setup with Ubuntu 16.04

When you start a new server, there are a few steps that you should take every time to add some basic security and give you a solid foundation. In this guide, we’ll walk you through the basic steps necessary to hit the ground running with Ubuntu 16.04.

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Ubuntu 16.04 — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — glib-networking — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 November 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4405-1 Related CVEs: CVE-2020-13645 Upstream summary: It was discovered that glib-networking skipped hostname certificate verification if the application failed to specify the server identity. A remote attacker could use this […]

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How To Create a Multi-Node MySQL Cluster on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Create a Multi-Node MySQL Cluster on Ubuntu 16.04

MySQL cluster is a software technology which provides high availability and throughput. In short, there is one or more management nodes which control the data nodes (where data is stored). After consulting with the management node, clients (MySQL clients, servers, or native APIs) connect directly to the data nodes.

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How To Install and Secure phpMyAdmin on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Install and Secure phpMyAdmin on Ubuntu 16.04

While many users require access to a database management system like MySQL, not all users feel comfortable interacting with the MySQL prompt on a daily basis. In this guide, we’ll discuss how to install and secure phpMyAdmin, a web management interface for MySQL, on an Ubuntu 16.04 server.

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