DOS subst command for Linux?

Question

It's probably going to be a SymLink, but here's what I want to accomplish:

I make a large redundant /home volume when I build a server, AND /home is from where I want to back things up as well. But Ubuntu's Apache wants to use /var/www to put everything and so does PHP, MySQL and Drupal. /VAR is in a MUCH smaller /(root) volume that is usually also some form of FauxRAID, but definitely inadequate to be DocRoot for a bunch of websites.
Now I've already configured Apache to use /home/public_html for Document Root on all Virtual Servers that it spawns, but I've got a whole bunch of stuff in /var/www (about 2300 files and subdirectories) that if I move I'll also have to edit all the references in a couple of dozen configuration files in a half a dozen daemons. Back in my beloved DOS days I'd just put "subst p: c:\var\www" in autoexec.bat and let the file system take care of the corpses.

I want to do the same (well, similar) thing here with Ubuntu Server 10.4 LTS. Anything the server looks for in or tries to write to /var/www it will magically be in /home/public_html.

Smiley

Answer 1

A symlink is a good way to go.



ln -s /var/www /home/public_html

Answer 2

You want to copy all the existing data in www to home/public_html, then rename www (in case something goes wrong) and create a symbolic link with the name www in /var



cd /var/www



cp -R * /home/public_html



cd /var



mv www www_backup



ln -s /home/public_html www

Answer 3

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