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centos 7

How to Check CentOS Version

Question: How to check CentOS version? Sometimes you may need to check the version of CentOS installed on your machine. Here are some different ways by which you can find the version of CentOS the machine is running. LSB Release: lsb_release is a command that prints certain LSB (Linux Standard Base) and Distribution information You […]

How to Add Devices to LibreNMS Monitoring Tool

In our last article, we set up LibreNMS monitoring tool for monitoring servers and network devices. This guide focus on adding devices to LibreNMS tool for monitoring. Assuming that you have a working setup for LibreNMS monitoring tool, if not, follow the below guide. READ: Install LibreNMS on CentOS 7 / Ubuntu 16.04 – A […]

ifconfig Command not found on CentOS 7 / RHEL 7 – Quick Fix

ifconfig is a command-line utility to configure a network interface and get an IP address of Linux machines. Are you wondering? ifconfig command not found after the installation CentOS 7 / RHEL 7. READ: CentOS 7 installation – Step by Step with screenshot – Part 1 READ: CentOS 7 installation – Step by Step with […]

Install LibreNMS on CentOS 7 / Ubuntu 16.04 – A Network and Server Monitoring Tool

LibreNMS is an open source auto-discovering network monitoring tool for servers and network hardware. It supports a wide range of network hardware like Cisco, Juniper, Brocade, Foundry, HP and operating systems including Linux and Windows. LibraNMS is a community-based fork of Network monitoring tool “Observium“, released under GPLv3. LibreNMS can discover your entire network using […]

How to Add Remote Linux Host to Zabbix Server for Monitoring

After installing the Zabbix server and Zabbix agent, you are now due for adding a node to the Zabbix server for monitoring. Install Zabbix Server: READ: How To Install Zabbix Server 4.0 on CentOS 7 / RHEL 7 READ: How To Install Zabbix Server 4.0 on Ubuntu 18.04 / Ubuntu 16.04 & Debian 9 Install […]