make swap file on freebsd 7.1

:: what is ::

please take a look at this.

:: checking ::

check your swap capasity with top command line and take alook at line Swap:

example:

Swap: 250M Total, 250M Free

you can add more swap by swapfile.

:: configuring ::

. make swapfile with the size of that file (128MB) .

[ root ]# dd if=/dev/zero of=/swapfile bs=1024k count=128
128+0 records in
128+0 records out
134217728 bytes transferred in 3.104900 secs (43227712 bytes/sec)

. change permission on it .

[ root ]# chmod 0600 /swapfile
[ root ]# ls -lh /swapfile
-rw-------  1 root  wheel   128M Jun 23 01:54 /swapfile

. set active for swapfile .

[ root ]# mdconfig -a -t vnode -f /swapfile -u 0 && swapon /dev/md0

. set swapfile on permanently .

[ root ]# vi /etc/rc.conf

----------[ add this line ]------

swapfile="/swapfile"

----------------------------------

:: testing ::

you can run top command line and take alook at Swap: line

so the swap to be:

Swap: 378M Total, 378M Free

:: links ::

. http://google.com/bsd

. http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/adding-swap-space.html