2020 - Page 283 of 735

How to Configure SSL/TLS Client Certificate Authentication on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure SSL/TLS Client Certificate Authentication on Debian 10

Introduction How to Configure SSL/TLS Client Certificate Authentication on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster 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 […]

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How To Set Up Highly Available Web Servers with Keepalived and Reserved IPs on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Highly Available Web Servers with Keepalived and Reserved IPs on Ubuntu 14.04

Keepalived is a service that can monitor servers or processes in order to implement high availability on your infrastructure. In this guide, we will use the `keepalived` daemon to monitor two web servers. The secondary server will take over the web traffic if the primary server experiences issues by automatically claiming ownership of a shared Floating IP address using the cloud provider API.

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Cómo listar y eliminar reglas de firewall de Iptables — step-by-step Security tutorial on Progressive Robot

Cómo listar y eliminar reglas de firewall de Iptables

Iptables es una tecnología de firewall que tiene una función esencial en la seguridad de la red para muchos sistemas Linux. En este tutorial, veremos cómo hacer las siguientes tareas de iptables: listar reglas, borrar contadores de paquetes y bytes, eliminar reglas, vaciar cadenas (eliminar todas las reglas de una cadena) y restablecer por completo un firewall de iptables.

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Hibernate Tomcat JNDI DataSource Example Tutorial — step-by-step DevOps tutorial on Progressive Robot

Hibernate Tomcat JNDI DataSource Example Tutorial

Welcome to the Hibernate Tomcat JNDI DataSource example tutorial. We have already seen how to use [Hibernate ORM tool in standalone java application](/community/tutorials/hibernate-tutorial-for-beginners "Hibernate Tutorial For Beginners using XML, Annotations and Property Configurations"), today we will learn how to use Hibernate with DataSource in Tomcat servlet container. Using hibernate in web application is very easy, […]

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How to Configure a Read-Only Domain Controller (RODC) on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure a Read-Only Domain Controller (RODC) on Windows Server 2016

How to Set Up Windows Server 2016 Read-Only Domain Controller A Read-Only Domain Controller (RODC) is a special type of Domain Controller introduced in Windows Server 2008 that holds a read-only copy of the Active Directory database. RODCs are designed for deployment in locations where physical security cannot be guaranteed, such as branch offices, edge […]

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Common Problems 121558

DNS Resolution Intermittently Fails on Server

🟠 High   ⏱ 5–30 min  Last verified: 10 August 2020 Affected versions: Debian 9 📖 ~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 121017

Debian 10 Temporary Failure Resolving During apt update

🟡 Medium   ⏱ 5–30 min  Last verified: 10 August 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 & […]

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