The ps command can be mixed with various options to show the list of top processes sorted by RAM and CPU usage. Run the following command in Terminal to see the top running processes by RAM and CPU usage: $ ps -eo pid,ppid,cmd,%mem,%cpu --sort=-%mem | head Below is the screens...
Here are some common ways to check the CPU usage in Linux: top command This is probably the most common way and the most known by any Linux administrator. This simple command can provide not only CPU but also RAM and even system performance information. 'top' command output It automatically...
So, this extra memory is for caching purpose to make the system more responsive, there is a dedicated site for this,Linux ate my RAM!. So that's it, how to checklinux memory usagewith command line tools. If you have any suggestion or question, just drop a comment, I'll be happy to...
In this tutorial, we are going to explain the “du” command used on everyLinuxdistribution such as Ubuntu, Debian, or CentOS. “Du” stands for Disk Usage and every Linux user should use it very often to check the amount of disk space used by directory or file. Using the “du” comm...
responding. It automatically copies the data from an input drive and saves it to another drive. The dd part in the ddrescue command creates an image backup of a partition or a drive. We will demonstrate the usage of the ddrescue package and command in the Ubuntu 22.04 system in this ...
You can always use the top command to check the CPU utilization. However the htop command is a littlebetter tool than top. It shows CPU usage for each core and in a better, friendly interface. But it does not come pre-installed on most Linux distributions. ...
This is intended for usage in initial RAM disks ("initrd"), and will transition from the initrd's system manager process (a.k.a "init" process) to the main system manager process. This call takes two arguments: the directory that is to become the new root directory, and the path to ...
free is a popular command used by system administrators on Unix/Linux platforms. It's a powerful tool that gives insight into the memory usage in human-readable format. The man page for this command states that free displays the total amount of free and used memory on the system, including...
The top command shows the stats in real time. If you want tocheck the system resource usage historical data, you are better off with commands likesaror some other tool. Did you enjoy our guide to top? I hope these tips taught you something new about working with top. If you like this...
In Linux ‘cd‘ (Change Directory) command is one of the most important and most widely used command for newbies as well as system administrators. For admins on a headless server, ‘cd‘ is the only way to navigate to a directory to check log, execute a program/application/script and fo...