Apache originated from the NCSAHTTPD server, and has been modified several times to become one of the most popular Web server software in the world. Apache from the "a patchy server" pronunciation, meaning that the server is full of patches, because it is free software, so constantly someone to develop new features for it, new features, modify the original defects. Apache features simple, fast, stable performance, and can be used as a proxy server
The main features of Apache are that they can run all computer platforms, support the latest HTTP 1.1 protocol, simple and powerful file-based configuration, support Common Gateway interface CGI, support virtual hosts, and support HTTP authentication;
Integrated Perl scripting programming language. Integrated proxy server, customizable server log, support server-side include command (SSI) to support Secure Socket Layer (SSL) user session process tracking capability; Support FASTCGI;
Support for Java Servlets
Let's explore the features and implementation of the Apache main configuration file:
[Root@lyt ~]# mkdir/mnt/cdrom/
[Root@lyt ~]# mount/dev/cdrom/mnt/cdrom/
[Root@lyt ~]# cd/mnt/cdrom/server/
[Root@lyt server]# vim/etc/httpd/conf/httpd.conf #编辑httpd的主配置文件
[Root@lyt server]# service httpd start #只有启动httpd服务器之后才会显示父进程号 and does not reboot once httpd will display a different parent process number
[Root@lyt server]# vim/etc/httpd/conf/httpd.conf
[Root@lyt server]# PS aux |less #查看进程: