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In one of our previous posts, we covered how setup MariaDB on a VPS. Here, we are going to go over some of MariaDB’s basic operations, like creating DB, adding tables with Data, etc. Prerequisites: - You’ve completed all the steps from “How to Setup MariaDB on a...

The purpose of using Identity/Pubkey identification is to eliminate the use of static passwords. Instead of typing passwords each time (that could be intercepted by key loggers or just “peeped”), we can store a couple of SSH keys on the Virtual Private Server (VPS),...

Task Scheduler plays an indispensable role in the automation of Linux system administration. Task Scheduler executes cron (crond - in some distributions). Cron is a daemon that can be used to schedule the execution of recurring tasks according to a combination of...

The firewalld daemon provides a dynamically managed firewall with support for network “zones” to assign a level of trust to a network and its associated connections and interfaces. It has support for IPv4 and IPv6 firewall settings. It supports Ethernet...

You can learn about basic firewall installation and setup in our post “How To Set Up a Firewall Using firewalld.” Today, we’re going to discuss how to configure advanced firewalld settings. Understanding the Rich Rule Structure The format or structure...

syslog-ng is an open source implementation of the syslog protocol for Unix and Unix-like systems. It extends the original syslogd model with content-based filtering, rich filtering capabilities, flexible configuration...

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. NGINX is known for its high performance, stability, rich feature set, simple configuration, and low resource consumption. Today, we are going to discuss...

Webmin is a web-based interface for system administration for UNIX. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more. Webmin removes the need to manually edit UNIX configuration files like `/etc/passwd`, and lets you...

Zabbix is an enterprise-class open source distributed monitoring solution designed to monitor and track performance and availability of network servers, devices and other IT resources. It supports distributed and WEB monitoring, auto-discovery, and more. Today, we’ll...