ubuntu

How To Backup MySQL Databases on an Ubuntu VPS — step-by-step Linux tutorial on Progressive Robot

How To Backup MySQL Databases on an Ubuntu VPS

MySQL is a popular database management system that is often used to manage the data from websites and applications. This guide will demonstrate how to backup the data in your MySQL databases, using a number of different methods.

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Common Problems 118583

Ubuntu 16.04 LTS – journald grows rapidly and fills /var – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 November 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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Common Problems 118426

Ubuntu 16.04 LTS – DNS resolution fails after network config changes

🟠 High   ⏱ 5–30 min  Last verified: 7 November 2020 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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How To Set Filesystem Quotas on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Filesystem Quotas on Ubuntu 18.04

Quotas are used to limit the amount of disk space a user or group can use on a filesystem. Without such limits, a user could fill up the machine’s disk and cause problems for other users and services. In this tutorial we will install command line tools to create and inspect disk quotas on Ubuntu 18.04, then set a quota for an example user.

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How To Install Elasticsearch, Logstash, and Kibana (Elastic Stack) on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Install Elasticsearch, Logstash, and Kibana (Elastic Stack) on Ubuntu 20.04

In this tutorial, we will go over the installation of the Elastic Stack on an Ubuntu 20.04 server. You will learn how to install all of the components of the Elastic Stack (including Filebeat, a Beat used for forwarding and centralizing logs and files) and configure them to gather and visualize system logs. We will install all components on a single server, which we will refer to as our Elastic Stack Server.

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Configuração Inicial de servidor com Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

Configuração Inicial de servidor com Ubuntu 14.04

Quando você cria inicialmente um novo servidor Ubuntu 14.04, existem alguns passos de configuração que você deve tomar no início como parte da configuração básica. Isto aumentará a segurança e a usabilidade do seu servidor e dará uma sólida fundação para as ações subsequentes.

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Ubuntu 20.04 — libpgjava — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libpgjava — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 November 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5238-1 Related CVEs: CVE-2020-13692 Upstream summary: It was discovered that PostgreSQL JDBC Driver incorrectly handled certain requests from external entities. A remote attacker could use this vulnerability to cause a […]

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Como atualizar para o Ubuntu 20.04 Focal Fossa — step-by-step Linux tutorial on Progressive Robot

Como atualizar para o Ubuntu 20.04 Focal Fossa

A versão mais recente de Suporte de longo-prazo (LTS) do sistema operacional Ubuntu, o Ubuntu 20.04 (Focal Fossa), foi lançada no dia 23 de abril de 2020. Este guia explicará como atualizar um sistema Ubuntu de versão 18.04 ou superior para o Ubuntu…

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