LINUX PROCESS MONITOR GUI HOW TO
LINUX PROCESS MONITOR GUI INSTALL

Running an instance of a program is called a process. In Linux, processes can be managed with commands like ps, pstree, pgrep, pkill, lsof, top, nice, renice and kill, etc.

LINUX PROCESS MONITOR GUI HOW TO

Sometimes you need to kill or interact with a process, so you should know how to manage these processes to make your system run smoothly. There are some other attributes to the process like user id and group id if a user or group runs the process. In Linux, every process is represented by its Process ID (PID). Linux provides many tools for managing processes, like listing running processes, killing processes, monitoring system usage, etc.

Any troubleshooting step already verified from the ones described in this article.Managing processes in Linux is an important topic to learn and understand, as it is a multitasking operating system and has many processes ongoing at the same time.

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If it is intended memory usage, then adding more memory may be needed in the near future. A restart of the service in question may also rectify any erroneous behavior in an application, if this is believed to be the case, but this ultimately the decision of the systems administrator. Use the up and down arrows to browse the PID's, looking in the Memory Usage column for the offending application.

For troubleshooting Memory, you can see how much memory and which application using the most memory by using the htop command:Īs you can see in the picture above, there is a column dealing with memory usage, and the total memory usage is shown on top.

If it is intended CPU usage, then a more robust processor solution may be in order for the OS. Use the up and down arrows to browse the PID's, looking in the CPU% column for the offending application. The command you would then want to run would be:Īfter running this command, if you press F5, it will sort all PID's: Let's see if if we can find which application is doing this. Looking into the output, if your %iowait is high, and your %idle is low, then there is a good chance you have high CPU usage. This will give your systems current CPU usage in a concise, one-time ~]# mpstat To do this please run the following command: The first thing you would want to do is to check the current CPU usage of the system. For looking into possible high CPU usage, let's begin by installing the packages needed to look it, if they are not installed yet. If it is another application in question (such as apache, postgres, mysql,) we can give limited support. If it is an OP5 application (such as merlin, naemon,etc), please contact support for us to help you on the issue. If it is intended disk usage, then a more robust storage solution may be in order for the OS. Further investigation would be needed on the application which is using so much disk I/O. This command shows real-time what application is accessing the drive (be it read or write), and the amount of data transferred. This can be started by running the following command to see the disk I/O of each respective application real time: If there is, we need to start ruling out the causation of the high I/O. Look and see if there is any high disk I/O on the machine, including wait time. This command gives you the output of disk I/O performance, reoccurring every 5 seconds. The command to run would be: sudo iostat -dmx 5

Try to restart services related to the UI to see if this helps improve responsiveness:įor troubleshooting Disk I/O, let's begin by installing the packages needed to look at, if they are not installed yet.

LINUX PROCESS MONITOR GUI INSTALL

Install and run ist diagnose to get details on the status of your system.What are the minimal hardware requirements to run OP5 Monitor? Check and make sure that the machine (virtual or physical), meets or exceeds the recommendations for OP5, (which is dependent on the amount of monitored devices the server is checking).Heavy disk I/O usage can cause slow down's and unresponsiveness in the OP5 product, which is an I/O heavy application. System not meeting minimum requirements for the amount of monitored devices the system is checking.When browsing the GUI/UI of OP5, it takes a long time to load any pages.

Linux process monitor gui