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pgAdmin4 is an easy-to-use free and open-source graphical administration tool for PostgreSQL. In this tutorial, you'll learn how to install pgAdmin4 server mode on Ubuntu 24.04.

OpenSearch is a community-driven project by Amazon and a fork of Elasticsearch and Kibana. It's a fully open-source search engine and analytics suite with rich features and innovative functionality. This guide will show you how to install OpenSearch and OpenSearch Dashboard on the Ubuntu 24.04 serve ...

Wireguard is an open-source VPN protocol alternative to IPSec, IKEv2, and OpenVPN. This guide will show you how to install Wireguard VPN on the Debian 12 server and configure the Wireguard client on a Linux machine.

Mattermost is an open-source alternative to Slack and Microsoft Teams. It allows you to self-host online chat with multiple features such as file sharing, search, automation, and multiple third-party integrations. In this tutorial, you'll learn how to install Mattermost on Ubuntu 24.04 server.

Graylog is a free and open-source log-management platform for capturing, storing, and enabling real-time analysis of your data and logs. It's written in Java and built on top of other open-source software like MongoDB and Elasticsearch.

Zabbix is a free and open-source monitoring solution for IT infrastructure. It allows you to monitor networks, servers, virtual machines, and cloud services.

Vuls is an agentless, free, and open-source vulnerability scanner for Linux and FreeBSD. In this guide, you'll learn how to install Vuls Vulnerability Scanner on the Debian 12 server. You'll install Vuls, set up CVE databases, and then scan the local system and remote machine Vuls.

In this tutorial, you'll learn how to backup and restore using Rsnapshot on a Linux server. You'll be setting up rsnapshot for local backup and remote backup. You'll also learn how to set up an automatic backup with rsnapshot and cron.

To ensure the MySQL/MariaDB server is working properly, you need to implement monitoring on your infrastructure. In this guide, you'll learn how to monitor MySQL/MariaDB servers with Prometheus and Grafana.

Mattermost is an open-source and self-hosted messaging system for your organization. It is an alternative to services like Slack and Microsoft Teams.