How to improve the page loading times on your website using Google mod_pagespeed module for Apache. The Google PageSpeed module can be set to use the Amazon ElastiCache for caching of files. This takes load of Ubuntu and lets you focus the memory to run Apache.
After installing the Google PageSpeed module open the config file:
sudo nano /etc/apache2/mods-available/pagespeed.conf
Scroll down to the section:
# If you want, you can use one or more memcached servers as the store for # the mod_pagespeed cache. ModPagespeedMemcachedServers
Then add the address to your ElastiCache server.
Save the config file.
Restart Apache
sudo service apache2 restart
Change to Redis when it becomes available
Redis is a faster and better cache that memcache.
You shold change to redis when mod_pagespeed from Google starts to support Redis
Verify that PageSpeed works correctly
Your google page speed module has a web based reporting panel only available to localhost. You connect to the VPS server using SOCKS proxy through your SSHD server.
To access the Google page speed panel use the default HTTP:// access without SSL and the internal IP of you EC2 server.
The internal IP of your EC2 VPS server id displayed if you type
ifconfig
If the local IP of you EC2 VPS is 88.88.88.88 you can access the PageSpeed panel on the address:
http://88.88.88.88/pagespeed_admin/console
How to gain access to the PageSpeed panel
Check that you still have the HTML root folder
Check that you still have the default apache folder HTML
cd /var/www/ ls -a
If the necessary create the folder
sudo mkdir /var/www/html
For your reference create an index.html file
sudo nano /var/www/html/index.html
Tape some reference text in the file and then save it.
Then make sure that Apache can write to the folder
sudo chown www-data:www-data -R /var/www/html
Start the default port 80 Apache configuration
Every active Apache config file represents a potential entry point for the bad guys to your VPS. Every active Apache config drains your VPS server for memory. That is why only the config files you need should be active. In this case, you should activate the config file when you need to access the Google PageSpeed stats. Afterwards, disable the config file to block it as a possible entry point for bad guys and free up the resources.
To enable the config file:
sudo a2ensite 000-default.conf sudo service apache2 restart
To deactivate the config file:
sudo a2dissite 000-default.conf sudo service apache2 restart
Verify that you can access your server on port 80. If the local IP is 88.88.88.88, then you should be able to access the index.html file you have created in
/var/www/html/
by typing:
http://88.88.88.88/index.html
Don’t continue to the next step before this works
Allow the local IP to access Google PageSpeed panel
Open the page speed config file
sudo nano /etc/apache2/mods-available/pagespeed.conf
Use “Ctrl + w” to search for
Allow from 127.0.0.1
Then add the local IP for your EC2 VPS server.
If the IP is 88.88.88.88 then this part of the config file would look like this:
<Location /pagespeed_admin> Order allow,deny Allow from localhost Allow from 127.0.0.1 Allow from 88.88.88.88 SetHandler pagespeed_admin </Location> <Location /pagespeed_global_admin> Order allow,deny Allow from localhost Allow from 127.0.0.1 Allow from 88.88.88.88 SetHandler pagespeed_global_admin </Location>
Save the config file.
Restart Apache
sudo service apache2 restart
Connect to your VPS with VPN
Finally, connect to your EC2 VPS server using SOCKS proxy VPN.
The Google PageSpeed stats and info should now be able at:
http://88.88.88.88/pagespeed_admin/console
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