From: Vincent Bray
First, the knowledge of the target servers come from (distributed) external maps which contain information - where our users, groups and entities stay. The have the + where our users, groups and entities stay. They have the form
@@ -380,7 +380,7 @@ RewriteRule ^(.+) http://webserverB.dom/$1 near the location of the requesting client. Actually this can be called an FTP access multiplexing service. While CPAN runs via CGI scripts, how can a similar approach - implemented viamod_rewrite ? + be implemented viamod_rewrite ?
We cannot use content negotiation because the browsers do
not provide their type in that form. Instead we have to
- act on the HTTP header "User-Agent". The following condig
+ act on the HTTP header "User-Agent". The following config
does the following: If the HTTP header "User-Agent"
begins with "Mozilla/3", the page foo.html
- is rewritten to foo.NS.html
and and the
+ is rewritten to foo.NS.html
and the
rewriting stops. If the browser is "Lynx" or "Mozilla" of
version 1 or 2 the URL becomes foo.20.html
.
All other browsers receive page foo.32.html
.
@@ -630,7 +630,7 @@ www IN A 1.2.3.5
resolved, BIND
gives out www0-www5
- but in a slightly permutated/rotated order every time.
This way the clients are spread over the various
- servers. But notice that this not a perfect load
+ servers. But notice that this is not a perfect load
balancing scheme, because DNS resolve information
gets cached by the other nameservers on the net, so
once a client has resolved www.foo.com
@@ -747,7 +747,7 @@ while (<STDIN>) {
let us configure a new file type with extension
.scgi
(for secure CGI) which will be processed
by the popular cgiwrap
program. The problem
- here is that for instance we use a Homogeneous URL Layout
+ here is that for instance if we use a Homogeneous URL Layout
(see above) a file inside the user homedirs has the URL
/u/user/foo/bar.scgi
. But
cgiwrap
needs the URL in the form
@@ -761,11 +761,11 @@ RewriteRule ^/[uge]/([^/]+)/\.www/(.+)\.scgi(.*) ...
Or assume we have some more nifty programs:
wwwlog
(which displays the
- access.log
for a URL subtree and
+ access.log
for a URL subtree) and
wwwidx
(which runs Glimpse on a URL
subtree). We have to provide the URL area to these
programs so they know on which area they have to act on.
- But usually this ugly, because they are all the times
+ But usually this is ugly, because they are all the times
still requested from that areas, i.e. typically we would
run the swwidx
program from within
/u/user/foo/
via hyperlink to