Key process records for upgrading Apache from 2.2.25 to 2.4.6

If you want to Upgrade Apache 2.2 to 2.4 after installing Apache on the server, the installation fails. After you specify the configuration file, the installation is successful.

2.2.25
./Configure -- prefix =/usr/local/apache -- with-encoded-apr -- enable-so
./Configure -- with-apxs =/usr/local/apache/bin/apxs
2.4.6
First, copy apr-util pcre to scrlib.
./Configure -- with-defined ded-apr -- with-pcre =/usr/local/pcre -- enable-so
./Configure -- with-apxs =/usr/local/apache2/bin/apxs

/Usr/local/apache2/bin/apachectl-f/usr/local/apache2/conf/httpd. conf
Stop Service:/usr/local/apache2/bin/httpd-k stop-f/usr/local/apache2/conf/httpd. conf
Enable service:/usr/local/apache2/bin/httpd-k start-f/usr/local/apache2/conf/httpd. conf

Fully Distributed cluster configuration of Apache and Tomcat in Linux (Server Load balancer)