encrypt / expiry date for shell script

Can you encrypt a shell script?
Can you set a expiry date so that shell script will no longer execute?

check this link:
http://www.thegeekstuff.com/2012/05/encrypt-bash-shell-script/

sshfs fuse - howto

mkdir /mnt/gfvm1

sudo sshfs root@192.168.122.209:/  /mnt/gfvm1



seems there is some bug in fuse.
ls -ltr /mnt on gfvm1 shows some special ?? chars

firefox image display issues

Firefox unable to display images present on the website

Unable to see small images on website:

check this option, it may be unchecked.

Contents -> Fonts and colors -> Advanced.

Allow pages to choose their own font - should be CHECKED.