Efficient Linux server monitoring with OpManager

Linux server monitoring is an important aspect of the entire network performance monitoring and IT operations management process if your network has Linux servers. Basic troubleshooting of Linux servers can be easily achieved using simple built-in commands, especially for monitoring CPU, memory, and processes. But that doesn't quite do the job. A full-fledged, multi-faceted, all-in-one Linux server monitor is needed for a holistic monitoring approach. This is especially true for businesses and enterprises that want to ensure the best business-continuity experience for their organization and end users.

Linux servers are preferred by some network admins over Windows servers because:

  • The total cost of owning a Linux server is lower compared to a Windows server.
  • Linux servers have lower licensing fees, software and hardware costs, maintenance expenses, and system support service and administrative costs.
  • Linux is a more secure kernel, so Linux-based operating systems are secure and suitable for servers.

But, even Linux server monitoring comes with its challenges:

  • Overused or underused resources go unmonitored until a command is run to identify the resource usage.
  • Doing root cause analysis is like finding a needle in a haystack.
  • Most monitoring vendors design tools without Linux support.

OpManager is an all-in-one IT monitoring solution that provides unmatched real-time server monitoring capabilities for various servers, including those running Linux. Important Linux server performance metrics like CPU, memory, and health can be monitored using OpManager. Multi-level thresholds can be set up for the important server metrics to ensure they are constantly or periodically monitored.

To monitor Linux server performance, make sure either Telnet or SSH is enabled on the server. OpManager supports all major Linux distributions, such as Red Hat Enterprise, SUSE, Ubuntu, Fedora, Debian, and CentOS.

CLI-based Linux server performance monitoring and host monitoring in OpManager

Linux Server Monitoring - ManageEngine OpManager  

If a device has both SNMP and CLI credentials associated with it, OpManager will first try to fetch the processes via CLI and then via SNMP. OpManager can monitor any type of Linux server that responds to the commands used by OpManager for fetching data from the end device. A Linux server monitoring dashboard is also available in the OpManager UI.

All the Linux server templates in OpManager have the resource monitors preconfigured. Admins can select CLI monitors and associate them with the required devices. An action can be chosen from the list of resource monitors. Select the CPU, Memory, and Disk Utilization monitors.

Process monitoring using CLI protocol in OpManager

Linux Server Monitoring Software - ManageEngine OpManager  

OpManager acts as a Linux process monitor, using both SNMP and CLI to fetch data on critical processes running on Linux, Solaris, Unix, HP-UX, and IBM AIX.

Linux device templates in OpManager

Linux Server Monitoring Tool - ManageEngine OpManager  

OpManager offers Linux-specific device templates. But first, let’s look at what device templates are. Device templates in OpManager are used to automatically associate a device model's details with a new or existing device in the network. A device template is pre-populated with device-related details such as device type, vendor, system description, and the object identifiers provided by the vendors' MIBs. The primary use of device templates in OpManager is to simplify initial management configurations for the end-user as pre-configured thresholds are applied automatically saving them some time. A secondary value-add would be that device details can be viewed in OpManager.

Linux Server Performance Monitor - ManageEngine OpManager  

OpManager is Linux server monitoring software that supports more than 10,000 device types and 450 device vendors, helping you efficiently discover, classify, and monitor the devices in your Linux network, thus simplifying the overall Linux network monitoring. This is possible with OpManager's plethora of monitoring metrics, wide range of supported devices such as routers, switches, servers, LANs, WLCs, printers, IP addresses, and more.

Experience easy Linux server monitoring with OpManager. Grab your free, 30-day trial.

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