chown how to change ownership on a symlink
If you just do a normal chown user.user somedir it won't work. You will see the ownership is still the previous owner.
How To Change Ownership Of Symlink:
The simplest part is just adding the -h which means no dereference so it applies the ownership on the symlink and does not try (and fail) to change ownership of the dereferenced symlink destination.
chown -h user.user somedir........
Apache htaccess Custom ErrorDocument not working properly for root home page 403 Error Issue and Solution
So I have a domain "testdomain.com".
Inside test domain.com's root is the following .htaccess:
Options +FollowSymLinks -Indexes
ErrorDocument 403 /launch/index.html
Order Deny,Allow
Deny From All
Allow From 192.168.1.2
When you visit anything other than root things work fine. Eg. if you visit http://testdomain.com/somedirfile.html
It will show the right error in /launch/........
rsync specify alternate port non-standard port than 22
It is not obvious but the rsync --help
rsync --help|grep port
--port=PORT specify double-colon alternate port number
--port does not do anything at all actually for some strange reason it still uses 22
You have to specify a manual ssh command to make it work:
-e 'ssh -........
How To Disable htaccess inheritance or exclude a directory
The only real way us to do the following in the root of your site's .htaccess
RewriteRule ^somedirectory-not-to-inherit/.*$ - [L]........
mount -o bind permanent in /etc/fstab howto
mount -o bind /somedir /anotherdir
In /etc/fstab
/somedir /anotherdir none bind 0 0........