Top 15 System and Performance Monitoring Tools for Linux

• NetHogs – Monitor Per Process Network Bandwidth. ...
• iftop – Network Bandwidth Monitoring. ...
• Monitorix – System and Network Monitoring. ...
• Arpwatch – Ethernet Activity Monitor. ...
• Suricata – Network Security Monitoring. ...
• VnStat PHP – Monitoring Network Bandwidth. ...
• Nagios – Network/Server Monitoring.

1. What are the monitoring tools in Linux?
2. How do I see performance in Linux?
3. How do I monitor CPU usage on Linux?
4. Which is the best monitoring tool?
5. What are system monitoring tools?
6. What is Nagios in Linux?
7. How do I see memory usage on Linux?
8. How do I find bottlenecks in Linux?
9. What is the use of top command in Linux?
10. Why is Linux CPU usage so high?
11. How do I find the top 10 memory consuming process in Linux?
12. What is the most widely used performance monitoring tool on Linux?

What are the monitoring tools in Linux?

For me, these are top, atop, htop, and glances. All of these tools monitor CPU and memory usage, and most of them list information about running processes at the very least. Some monitor other aspects of a Linux system as well. All provide near real-time views of system activity.

How do I see performance in Linux?

1. How To Check CPU Usage from Linux Command Line. top Command to View Linux CPU Load. mpstat Command to Display CPU Activity. sar Command to Show CPU Utilization. iostat Command for Average Usage.
2. Other Options to Monitor CPU Performance. Nmon Monitoring Tool. Graphical Utility Option.

How do I monitor CPU usage on Linux?

How to find out CPU utilization in Linux?

1. The "sar" command. To display CPU utilization using "sar", use following command: $ sar -u 2 5t. ...
2. The "iostat" command. The iostat command reports Central Processing Unit (CPU) statistics and input/output statistics for devices and partitions. ...
3. GUI Tools.

Which is the best monitoring tool?

The best network monitoring tools

1. SolarWinds Network Performance Monitor (FREE TRIAL) ...
2. Datadog Network Performance Monitoring (FREE TRIAL) ...
3. ManageEngine OpManager (FREE TRIAL) ...
4. Progress WhatsUp Gold (FREE TRIAL) ...
5. Site24x7 Network Monitoring (FREE TRIAL) ...
6. Paessler PRTG Network Monitor (FREE TRIAL) ...
7. Nagios Core. ...
8. Zabbix.

What are system monitoring tools?

Answer: A system monitoring tool is a component of hardware and (or) software that tracks the resources and performance of any system.

What is Nagios in Linux?

Nagios provides complete monitoring of Linux operating systems and distributions – including operating system metrics, service state, process state, file system usage, and more. When you use Nagios to monitor your Linux environment, you're using one of the most powerful Linux monitoring tools on the planet.

How do I see memory usage on Linux?

5 commands to check memory usage on Linux

1. free command. The free command is the most simple and easy to use command to check memory usage on linux. ...
2. 2. /proc/meminfo. The next way to check memory usage is to read the /proc/meminfo file. ...
3. vmstat. The vmstat command with the s option, lays out the memory usage statistics much like the proc command. ...
4. top command. ...
5. htop.

How do I find bottlenecks in Linux?

We can find bottleneck in linux server performance using following method..

1. Take the output of TOP & mem, vmstat commands in one notepad.
2. Take sar output of 3 months.
3. check the variation in processes & usage at the time of implementation or change.
4. If the load is unusual since the change.

What is the use of top command in Linux?

top command is used to show the Linux processes. It provides a dynamic real-time view of the running system. Usually, this command shows the summary information of the system and the list of processes or threads which are currently managed by the Linux Kernel.

Why is Linux CPU usage so high?

Common causes for high CPU utilization

Resource issue – Any of the system resources like RAM, Disk, Apache etc. can cause high CPU usage. System configuration – Certain default settings or other misconfigurations can lead to utilization issues. Bug in the code – An application bug can lead to memory leak etc.

How do I find the top 10 memory consuming process in Linux?

Press SHIFT+M ---> This will give you a process which takes more memory in descending order. This will give the top 10 processes by memory usage. Also you can use vmstat utility to find the RAM usage at same time not for history.

What is the most widely used performance monitoring tool on Linux?

1. Top – Linux Process Monitoring. Linux Top command is a performance monitoring program which is used frequently by many system administrators to monitor Linux performance and it is available under many Linux/Unix like operating systems.