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Firefox not responding solved in Windows

If your firefox in windows PC is showing the below warning

"Firefox is not responding Please restart firefox or try to open firefox after restarting system"

just do this.


Go to
 C:Users-->user_name-->Appdata-->Roaming-->Mozilla-->firefox-->Profiles-->****.default

Then in the folder remove the file "parent.lock"

Now open your firefox and browse

PS: 1. "If you are unable to delete the file ; just  click ctrl + alt + del .The       task manager is opened.  In that  select the process tab and click on firefox.exe and just click the button end process "

    2. *** represents that there can be any name
FIREFOX PROBLEM SOLVING TECHNIQUE
                                                 In CENTOS Linux, if your firefox doesn't open

 and gives a warning that firefox is already open and not responding  just try

 this.

1. cd /root/.mozilla/firefox


2. cd *****.default

3. rm -rf .parentlock

4. rm -rf  lock



 NOTE : YOU MUST BE ROOT TO PERFORM THIS / YOU SHOULD HAVE

ACCESS TO HOME OF ROOT THAT IS  /root



APACHE WORKING- SHORT NOTES

APACHE WORKING- SHORT NOTES 1. Server got request from client for the page WWW.example.com
2. Server looks whether child process of Apache is free, if so grant one for       the    request.
3. The child process the request and provide ip for example.com to the client.
4. Client reaches the ip where example.com is located.
5. Checks whether port 80 and apache undertakes the operation and going to       httpd.conf file
6. Checks the name based hosting enbled.
7. Checks domain with virtual host enry.
8. If matches checks whether AllowOverRide is set to all ; If so checks for   .htacces and process request.
9. If .htacces processed and then gone to directory index.
10. Display the page given in index.



                       I will publish a more simplified definition in lay man terms in a few days..