bash script to monitor cpu and memory usage

F4 : Show only processes whose names match the input text.It seems like the process /opt/brave,com/brave/brave takes the most CPU consumption among all the running processes. In the image above, the commands are sorted by CPU%. Packages for htop are available in most distros. I also use this to monitor how many cores and how much of the memory is being used when running a program or when training a model. I often use this whenever I notice a slow down in the speed of my computer and want to find out which processes have a major impact on the speed. htop allows you to view information related to command lines such as memory, CPU consumption, and how long it has been running.

In this article, I will show you 3 tools that allow you to do all of the things above and much more! htop - an Interactive Process Viewer Knowing those pieces of information will enable you to optimize your system. Memory and CPU consumption of the running processes.Disk usage of each folder or file and when was the last time that you used them.System’s CPU usage, memory usage, and disk usage.# sh /usr/src/sar-cpu-mem-avg.If you are a Linux user, you might want to know some important information about your computer such as: Once you run the script, you will get an output like the one below. # nano /usr/src/sar-cpu-avg.shĮcho '+-+'Įcho '|Average: CPU %user %nice %system %iowait %steal %idle |'įor file in `ls -tr /var/log/sa/sa* | grep -v sar`ĭat=`sar -f $file | head -n 1 | awk '' Since this is a month end, it shows 28 days data for October 2019. This bash script collects the CPU average from each data file and display it on one page. Script-1: Bash Script to Get Average CPU Utilization from SAR Reports In this article we have added three bash scripts that will help you to easily view each data file averages in one place. To extend the coverage period to 28 days, make the following change to the “/etc/sysconfig/sysstat” file.Įdit the sysstat file and change HISTORY=7 to HISTORY=28. If the value exceeds 28, the log files are placed in multiple directories, one for each month. Most Linux administrator monitor system performance with SAR report because it collects performance data for a week.īut you can easily extend this to four weeks by making changes to the “/etc/sysconfig/sysstat” file.Īlso, this period can be extended beyond one month.

Bash script to monitor cpu and memory usage