So you want to move your log directory? To a separate volume, maybe? But you are afraid that it will break too many things, like all those libraries with #{rails_root}/log paths hardcoded in them? Fear not, there’s a simple workaround.

As you probably know, capistrano aliases your rails log dir to a shared dir outside of app folder.

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ln -s /deploy_path/shared/log /deploy_path/current/log

This means that, in fact, all your logs turn up at /deploy_path/shared/log/. Now all we need is to symlink that dir as well!

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sudo mkdir /var/log/yourapp

# make it writable to the app
sudo chown -R youruser:yourgroup /var/log/yourapp/

# deal with existing log dir (I back it up, but you can remove it, or copy the files to 
#   the new location)
mv /deploy_path/shared/log /deploy_path/shared/log_
ln -s /var/log/yourapp /deploy_path/shared/log

Hope this helps :)