Tutorials Archives - Geeker's Digest

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Tutorials

How to work around the nagios-plugins check_disk perfdata bug in CentOS

The check_disk monitoring plugin, installed from the nagios-plugins-disk package from EPEL, contains a bug which ...

By Claudio Kuenzler

February 18, 2021

Tutorials

How to protect your WordPress site from brute force login attacks

Every WordPress administrator looking at site statistics becomes quickly aware that one of the most ...

By Claudio Kuenzler

February 2, 2021

Tutorials

How to mass change file ownerships, even symbolic links

A situation may happen, where one must quickly change the ownership of all files matching ...

By Claudio Kuenzler

January 29, 2021

Tutorials

How to find CPU information (type and model) on Android

There are multiple ways of finding out the smartphone's CPU type and model. But not ...

By Claudio Kuenzler

January 27, 2021

Tutorials

How to ignore specific log messages in Logstash using drop filter

If you have infinite resources, you can easily horizontally scale. Meaning: Adding more Elasticsearch nodes ...

By Claudio Kuenzler

January 20, 2021

Tutorials

How to enable developer or debug mode in Huawei EMUI Android phones

In this tutorial we explain how to enable the developer mode and USB debugging on ...

By Claudio Kuenzler

January 19, 2021

Tutorials

How to use Puppet DSL for Scripting

The Puppet Declarative Scripting Language (DSL) can easily be used as a Script interpreter to ...

By Grant Davies

January 19, 2021

Tutorials

How to install newer node.js and npm on Debian 10 (Buster)

The current LTS version of node (a.k.a. node.js) is 14.15.x and many node developers use ...

By Claudio Kuenzler

January 15, 2021

Tutorials

How to send $ADA to a hardware wallet and stake (mine) ADA / Cardano?

In this article we explain how to transfer your beloved $ADA crypto coins to a ...

By Pascal Weder

January 14, 2021

Tutorials

How to sync or migrate mails from an IMAP account

Switching a mail provider is often combined with one major thought holding one back: What ...

By Claudio Kuenzler

January 14, 2021

Postfix 3.6 changes terminology: white and black are deprecated

BBC News – the newest hacking site (according to Twitter)

Mediacenter Kodi releases version 19.0 "Matrix"

Linux Kernel 5.11 "Valentine's Day" released and 5.12 development delayed

Maximum HTTP request header size defaults compared across web servers

The end of OTRS Community Edition – but here comes Znuny (and other forks)!

What is a DNSBL (DNS Black List) and how do they work against spams?

Introduction and how to install Varnish Cache on Linux

How to work around the nagios-plugins check_disk perfdata bug in CentOS

How to protect your WordPress site from brute force login attacks

How to mass change file ownerships, even symbolic links

How to find CPU information (type and model) on Android

How to send $ADA to a hardware wallet and stake (mine) ADA / Cardano?

Tutorials

How to work around the nagios-plugins check_disk perfdata bug in CentOS

How to protect your WordPress site from brute force login attacks

How to mass change file ownerships, even symbolic links

How to find CPU information (type and model) on Android

How to ignore specific log messages in Logstash using drop filter

How to enable developer or debug mode in Huawei EMUI Android phones

How to use Puppet DSL for Scripting

How to install newer node.js and npm on Debian 10 (Buster)

How to send $ADA to a hardware wallet and stake (mine) ADA / Cardano?

How to sync or migrate mails from an IMAP account

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