1. Download Unix Source from http://httpd.apache.org/download.cgi.
2. Extract the file by issue the following command :
   #gunzip http-xxx.tar.gz (Skip this if file extension is .tar)
   #tar -xf http-xxx.tar
   
3. Execute following command :
   # ./configure –prefix=/opt/apache –enable-mods-shared=most
   Note: (Set the prefix directory where you want to install Apache, Eg in this case is /opt/apache)
4. Issue the following command : # make
   
5. Issue the following command : # make install
6. Apache should successfully install in /opt/ folder now.
7. To start Apache, go /opt/apache/ then issue this command : # ./apachectl start
8. Verify examples at http://localhost, to make sure Apache start successfully 🙂

Note: Please make sure Gnu C Compiler (gcc) is install before compile Apache.