For UEK2(2.6.39) or later kernels It is easier to check the swap usage of a specific process, just check “VmSwap” column in/proc/[PID]/status. This indicates the total usage of the swap space as one value. This column does not exist in /proc/[PID]/status with kernel < 2.6.39...
[ For more information on swap space, seeManaging swap in the modern Linux system. ] To clear the swap memory on your system, you simply need to cycle off the swap. This moves all data from swap memory back into RAM. It also means that you need to be sure you have the RAM to sup...
$ free -t | grep Swap | awk '{printf("Current Swap Utilization is : %.2f%"), $3/$2*100}' Current Swap Utilization is :0.00% Method-1: How to check CPU utilization percentage in Linux? We can use the following combination of commands to get this done. In this method, we are ...
Swap space works by utilizing a part of the hard drive to temporarily store data that would normally be in the computer's physical memory (RAM). This data ends up on the hard drive because the running programs fully use up the available RAM. Therefore, the OS moves some data from RAM t...
It's easy to check how big your swap file is on Linux. Some distributions may even have a simple GUI way of doing so, often requiring opening a system monitor — Debian-based distros will provide the System Monitor app, which can be seen in the screenshot at the top of this article....
How to Check Swap Space There are several ways to check swap space in Linux. The commands that show different information about swap space are: Thefree commandwith the-htag shows the total, available, and used swap space in a human-readable format. For example: ...
Check swap configuration To check if swap is on or off, run “swapon -s” from the shell interface. If this command returns a non-empty output than the swap is on, for example: # swapon -s Filename Type Size Used Priority /dev/sda1 partition 7999484 1201556 0 ...
sudo swapoff -a If you check for active swap again usingswapon –showcommand, you won’t see any swap anymore. Re-enable swap in Linux If you want to reactivate a disabled swap space, you can use the swapon command like this:
Unfortunately, it's not as straightforward to do so on Linux devices. A much more technical approach is required, but there are many simple commands that can help you monitor things like CPU and memory usage. Related What is a swap file in Linux and how much should you use? Add some...
Check swap space in Linux Before you go and start adding swap space, it would be a good idea to check whether you have swap space already available in your system. You can check it with thefree command in Linux. In my case, myDell XPShas 14GB of swap. ...