to add new swap file to Linux just follow the below steps , in my case i will add 32GB and i am not using LVM :-
- just create file by the below command :-
- touch /new.swap
- Write on the file :-
- dd if=/dev/zero of=/new.swap bs=1024 count=33554432
- Format the file :-
- mkswap /new.swap
- Add the file to the system as a swap file.
- swapon /new.swap
- finally add it to fstab :-
- /new.swap none swap sw 0 0
Thanks
Osama