Commands to find disk usage of Files and Directories
du (abbreviated from disk usage) is a linux command used to find the file and directory or folder space usage.
Step 1 – To check the disk usage detail of wordpress/wp-admin directory and its sub folders. Enter the command as :
#du wordpress/wp-admin
Step 2 – Now to check the details in “human Readable format”. that is you can see the details in KB, MB, GB format.
#du -h wordpress/wp-admin
Step 3 – Insert the -S into the du command, it shows the total disk space occupied by a directory.
#du -sh wordpress/wp-admin
Step-4– To show the disk usage based on modification of time, enter the following command as :
#du --time wordpress/wp-admin
Step5– To know the amount of free disk space available in the server, enter the below command as :
#df -h
Commands to find memory usage using linux commands
Step1– Use the following command to see total amount of free and used physical and swap memory in the server.
also use -m command to know the usage details in MB.
#free or #free -m
Step2– Use the following commands to get processor and memory has been used and other information like running processes too.
#top
Step3– Also you can get the same information by using below command.
#cat /proc/meminfo
Step4 – vmstat reports information about processes, memory, paging, block IO, traps, and cpu activity.
#vmstat
Step5 – To see who is currently logged in and what they are doing on server, enter the below command as :
#w
