Nagios Core is an open source IT infrastructure monitoring and alerting platform built using PHP. It is used for monitoring mission-critical IT infrastructure components such as network infrastructure, servers, network protocols, system metrics, applications,...
DNS (Domain Name System) is a fundamental facilitator of several networking technologies such as mail servers, Internet browsing, and streaming services e.g. Netflix and Spotify, among others. It works on a special computer called...
SSH is the most secure means of connecting to Linux servers remotely. And one of the common errors encountered while using SSH is the “ssh: connect to host port 22: No route to host”....
In our last article, we have described in detail on how to install and configure an FTP server in RHEL 8 Linux. In this article, we will explain how to secure an FTP server...
Partx is a simple yet useful command line utility oriented towards maintenance of your Linux system. It is used to tell the kernel about the presence and numbering of partitions on a disk. In...
In our first part of this article, we have described in detail on how to install and configure the latest OpenNMS network monitoring platform on CentOS/RHEL as well as on Ubuntu/Debian server. In this...
The Domain Name System (DNS) is a method used to translate human-readable domain names (or Fully Qualified Domain Names (FQDN)) to machine-readable IP addresses, to locate a computer in a network such as the...
Under Docker, an image developer can define image defaults related to detached or foreground running, and other useful settings. But, using the docker run [OPTIONS] command, you can add to or override the image...
Wayland is a secure display protocol as well as a library implementing the protocol, that enables communication between your video hardware (the server) and clients (each and every single application on your system). Wayland...
The timeout script is a useful resource monitoring program for limiting time and memory consumption of processes in Linux. It allows you to run programs under control, and enforce time and memory limits, terminating...
