the package can contain information about what else it needs to work properly
The RPM system includes a database with lots of Information about how the files should be installed, their size, owner, type,. . .
rpm Commands: rpm -qa | less list all installed software packages rpm -q httpd show the version of the httpd package, if it is installed rpm -qa | grep httpd show all installed packages that have httpd in their name rpm -ql httpd list all files in the httpd package
rpm -qd httpd list all documentation files in the httpd package rpm -qc httpd list all configuration files in the httpd package rpm -qi httpd display information about the package rpm -V httpd verify that the httpd package is correctly installed rpm -qf /etc/passwd determine which package the /etc/passwd file belongs to
Fourth: Starts the following services Comm. Service named start Permanently server on Comm. chkconfig named on Fifth: Lookup the server: comm. nslookup address (forward) nslookup ip address (reverse)
Lookup of www.gecj.ac.in Reverse lookup of 172.24.0.254
Look up of kuldeep.gecj.ac.in Reverse lookup of 172.24.0.254
The Apache HTTP Server, commonly referred to as Apache Web Server software notable for playing a key role in the initial growth of the World Wide web
Apache is developed and maintained by an open community of developers under the auspices of the Apache Software Foundation
Apache supports a variety of features, many implemented as compiled modules which extend the core functionality. These can range from server-side programming language support to authentication schemes. Some common language interfaces support Perl, Python , Tcl and PHP
Virtual hosting allows one Apache installation to serve many different actual websites. For example, one machine with one Apache installation could simultaneously serve
www.example.com, www.test.com, test47.test-server.test.com, etc.