How to check ports is used in Linux OR macOS
Please type the below command to check single port is used or not sudo lsof -i:22 22 is the port you can change like HTTP port 80 or HTTPS port…
EC2 add sudo group user with enable password login in ubuntu
Login as sudo user enters below command. Change new user to your actual user name sudo su adduser newuser Add your password and name, then fill up information After that…
How to clear Cache, Buffer, and Swap Space on the Linux Operating System
Now you can throw away that script that allocated memory just to get rid of the cache... To clear page, cache, enter the below command echo 1 > /proc/sys/vm/drop_caches To…