Configure OpenLDAP Host Based Authentication

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How do you configure OpenLDAP such that access is restricted based on host name of the computer being accessed and the user associated with the host name? Well, in this guide, we will learn how to configure OpenLDAP host based authentication. Disclaimer: This guide is based on the configurations I made on my OpenLDAP server to get the host based...

Install and Setup Passbolt Password Manager on Ubuntu 20.04

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In this tutorial, you will learn how to install and setup Passbolt password manager on Ubuntu 20.04. Passbolt is is a free, open source, self-hosted, extensible, OpenPGP based password manager that enables teams to securely store their personal as well as share their common credentials. It is available both a subscription based and community edition. This tutorial focuses on...

Enroll Osquery Hosts on Fleet Manager

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Install Osquery on Ubuntu 20.04
In this tutorial, you will learn how to add or enroll Osquery hosts on Fleet manager. Fleet is the most widely used open source osquery manager. Deploying osquery with Fleet enables programmable live queries, streaming logs, and effective management of osquery across 50,000+ servers, containers, and laptops. It’s especially useful for talking to multiple devices at the same time.“ In...

Install and Setup GlusterFS on Ubuntu 18.04

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Welcome to our guide on how to install and setup GlusterFS on Ubuntu 18.04. Well, so what is GlusterFS? GlusterFS is an opensource distributed and scalable network file system that clusters various disk storage resources into a single global namespace. GlusterFS is suitable for data-intensive tasks such as cloud storage and media streaming. Some of the common features for...

Install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux

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In this tutorial, we are going to learn how to install Nagios NRPE Agent on RHEL/CentOS/Oracle Linux Nagios Remote Plugin Executor (NRPE) is used to remotely execute Nagios plugins on Linux/Unix machines. This makes it easy to monitor remote machine metrics such as disk usage, CPU load, number of running processes, logged in users etc. You may also want to check...

Create Squid Logs Extractors on Graylog Server

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In this guide, we are going to go over how to create squid logs extractors on Graylog server. If you have pushed your Squid access logs to Graylog server via syslog, chances are they have not been parsed correctly to your liking. Use of Graylog makes it easy to to extract data from any text in the received message...

Linux Commands Cheat Sheet

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To have a full grip on your device, it is important to have a reliable operating system.  Managing memory, storage or CPU is a task that a good quality OS will execute easily. When choosing the operating system that meets your needs, you must look at the characteristics and commands that are important to your type of work. Take...

Configure Nagios Email Notification Using Gmail

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Nagios can be configured to sent out alerts on the state of the host or host service being monitored via email. This guide will therefore take you through how to Configure Nagios Email Notification using Gmail. The current state of a service or host being monitored is determined by the status of the service or host which can be OK,...

Install PHP 7.4 on Debian 10/Debian 9

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In this guide, we are going to learn how to install PHP 7.4 on Debian 10/Debian 9. PHP 7.4 is a minor release of PHP 7 that that comes with a lot of changes meant to boost performance and improve code readability or maintainability. The official release of PHP 7.4 is scheduled to happen on November 28, 2019. To see a...

Install Microsoft Teams on Rocky Linux 8

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Install Microsoft Teams on Rocky Linux 8
In this guide, we are going to learn how to install Microsoft Teams on Rocky Linux 8. Microsoft Teams is chat-centered workspace in Office 365. It instantly enables you to access all your team’s content from a single place where messages, files, people and tools live together. Some of the features provided by the Microsoft Teams app include; Work with your team’s documents...