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Introduction: To set up the CPU service monitor on Nagios, you’ll need to follow these general steps. CPU checks CPU usage, load averages, or other performance metrics on the server, and if the process is high, it gives an alert to the Nagois server. Prerequisite 1. Server root login credentials.… Continue Reading HOW TO SET UP THE CPU SERVICE MONITOR ON NAGIOS

Introduction:To set up MongoDB to auto-restart, you can use system-level services and configuration MongoDB files. Prerequisite: 1. Server root login credentials. Step 1: Log in to your Ubuntu or Centos server as a user with sudo privileges. You can use SSH or directly access the server. $ ssh root@Ip Step… Continue Reading How to auto-restart MongoDB

Introduction: In MongoDB, you can create read-only access for users by assigning appropriate roles that grant read-only privileges to the user. MongoDB provides several built-in roles that can be used to grant read-only access. The two most common built-in roles for read-only access are read and readAnyDatabase. Prerequisite: Step 1:Log… Continue Reading How to create read-only access for a user in MongoDB

Introduction: To set up the PM2 service monitor on Nagios, you’ll need to follow these general steps. PM2 is a process manager for Node.js applications, so we’ll assume you’re monitoring Node.js processes managed by PM2. Prerequisite: 1. Server root login credentials. Step 1: Log in to your Ubuntu or Centos… Continue Reading How to set up the PM2 service monitor on Nagios

Introduction: On Ubuntu, the system’s timezone is set during the installation, but it can be easily changed at a later time. Using the correct time zone is important for many system-related tasks and processes. Prerequisite: 1. Server root login credentials. Step 1: Log in to your Ubuntu server as a… Continue Reading How to change the system timezone in Ubuntu