Server Monitoring

34 Guides Available

A Complete Guide to System Monitoring Software

“You can’t manage what you can’t measure” is a business school axiom that applies equally well to the IT world.

How to Install Nagios on CentOS 8

Nagios offers a popular and powerful tool for server monitoring. With a built-in dashboard, alert and notification capabilities, and a range of plugins, Nagios can meet most needs.

Setting Up the Adagios Web Interface for Nagios

Adagios offers a more intuitive interface for observing and configuring the Nagios server-monitoring system. Adagios has the key features from Nagios readily available, while keeping the messier details out of the way.

How to Install and Configure Prometheus and Grafana on Ubuntu

Most administrators want to have a comprehensive overview of how their servers are performing. Having visibility of server CPU, memory, and I/O statistics helps them discover and isolate issues before they can cause problems.

Configuring Nagios Alerts on Debian 10 and Ubuntu 20.04

Nagios, a popular tool for monitoring servers, comes with a robust web interface to help you effectively manage your server.

Install Nagios on Debian 10 and Ubuntu 20.04

Monitoring tools play an important part in effectively operating production servers. They can help you keep tabs on a server’s status and quickly catch any issues that might arise.

Linux System Monitoring Fundamentals

The only way to know that your Linux-server-based applications and services are running well is to measure what’s going on in the server and its connectivity status.

Using Monitorix for System Monitoring

Monitorix is a free, open-source system monitoring tool that keeps track of several Linux services and system resources.

Using Nethogs to Monitor Network Usage

Nethogs is a free, open-source program used to track network usage. It extends the net top tool to track bandwidth by process.

Using the System Activity Reporter (sar)

The System Activity Reporter (Sar) is a utility program for analyzing Linux system performance. Sar is a do-it-all monitoring tool that is part of the Sysstat system resource utilities package.

Monitoring Your System with Graphite and a Grafana Dashboard

What are Graphite and Grafana?Graphite is an open-source monitoring tool for storing and viewing time series data.

Monitor Remote Hosts with Icinga

What is Icinga 2?This guide is a continuation of our guide on Icinga 2. Icinga, is an open source network monitoring application that can be used to monitor critical services and systems on your Linode.

Install Icinga 2 Monitoring on Debian 9

What is Icinga 2?Icinga, previously a fork of the popular Nagios monitoring system, is an open source network monitoring application that can be used to monitor critical services and systems on your Linode.

How to Install and Configure Graylog2 on Debian 9

What is Graylog?Graylog is a powerful, free, open-source log management and analysis tool that can be used for monitoring SSH logins and unusual activity to debugging applications.

Install Nagios 4 on Ubuntu and Debian 8

A monitoring tool is a key application in a production server. Nagios is a popular tool that provides monitoring and alerting services for your servers, applications and services.

Deploy Graphite with Grafana on Ubuntu 14.04

Set Up Graphite Monitoring Software with Grafana on UbuntuGraphite is an enterprise-level monitoring tool renowned for performing well on systems with limited resources.

Installing Monit for Server Monitoring

Keeping tabs on your servers can be time-consuming. You need to make sure connectivity is good, processes are running but not running away, resources are available, and system health is good.

Monitor System Logs with Logwatch

Logwatch is a log parsing program that analyzes and generates daily reports on your system’s log activity.

Using top to Monitor Server Performance

Viewing a server’s processor activity in real-time can aid in discovering and diagnosing any problems in CPU and memory usage.

Install and Configure OSSEC on Debian 7

OSSEC is an open-source, host-based intrusion detection system (HIDS) that performs log analysis, integrity checking, rootkit detection, time-based alerting, and active response, making it an ideal choice for server monitoring.

Monitor Services with Nagios on Ubuntu 12.04

Nagios is a monitoring tool that allows you to monitor services on a single server or a pool of servers.

Use Cacti to Monitor Resource Utilization on Ubuntu 12.04

The Linode Manager provides some basic monitoring of system resource utilization, which includes information regarding Network, CPU, and Input/Output usage over the last 24 hours and 30 days.

Deploy Munin to Monitor Servers on Ubuntu 12.04

The Linode Manager provides some basic monitoring of system resource utilization, which includes information regarding Network, CPU, and Input/Output usage over the past 24 hours and 30 days.

Monitoring Servers with Zabbix

Zabbix is an open source software application that can monitor servers, networks, and applications. You can use Zabbix with any of our plans, and it works on every Linux distribution we offer.

Monitoring Servers with Munin on Ubuntu 11.04 (Natty)

The Linode Manager provides some basic monitoring of system resource utilization, which includes information regarding Network, CPU, and Input/Output usage over the last 24 hours and 30 days.

Monitoring Servers with Munin on Debian 6 (Squeeze)

The Linode Manager provides some basic monitoring of system resource utilization, which includes information regarding Network, CPU, and Input/Output usage over the last 24 hours and 30 days.

Nagios Server Monitoring

Nagios is a flexible monitoring system framework that makes it possible to maintain consistent monitoring of a broad range of infrastructural components.

Monitor Services with Nagios on Gentoo Linux

Nagios is a monitoring tool that makes it possible to monitor services on a single server or a pool of servers.

Monitor Services with Nagios on Ubuntu 10.10 (Maverick)

Nagios is a monitoring tool that makes it possible to monitor services on a single server or a pool of servers.

Use vmstat to Monitor System Performance

What is vmstat?Vmstat is a built-in Linux system monitoring tool. Its primary job is measuring a system’s usage of virtual memory.

Monitor Services with Nagios on Ubuntu 10.04 (Lucid)

Nagios is a monitoring tool that makes it possible to monitor services on a single server or a pool of servers.

Monitoring Servers with Munin on Ubuntu 10.04 (Lucid)

The Linode Manager provides some basic monitoring of system resource utilization, which includes information regarding Network, CPU, and Input/Output usage over the last 24 hours and 30 days.

Monitor Services with Nagios on Debian 5 (Lenny)

Nagios is an open source monitoring tool that monitors services within a server cluster. In addition to monitoring services such as SMTP/POP3 and HTTP, Nagios can also be used to check the health of the server itself.

Monitoring Resource Utilization with Cacti on Debian 5 (Lenny)

The Linode Manager provides some basic monitoring of system resource utilization, which includes information regarding Network, CPU, and Input/Output usage over the last 24 hours and 30 days.

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