Installation and RPM details of applications in the latest version of linux Centos7

I. Linux Application Foundation

1. The relationship between application program and system command

two。 Directory structure of typical applications

3. Common package encapsulation types

4.RPM package Management tool

5. General naming format

6. Query rRPM package information

-Q View installed packages,-qa: view all installed packages

-qi: details of a software package.-ql checks what the RPM package contains.

-qf: a file in a RPM.-qc: check the location of the RPM configuration file.

-qd:RPM documentation manual,-qp: view uninstalled software packages

7. Install, upgrade, uninstall RPM packages

-I: install the package repository,-u: update

-f: check a file directory that belongs to the RPM installation package

-c uninstall-- force enforcement

-- nodeps: undependent,-h: friendly display

-v: displays details of the installation process

8. Your packages are all in the yum source, and there will be a yum server that provides the latest packages. Let's see what path connects to the yumf server.

two。 We install a program in the connected state through yum, which is an Apache website.

1. Our software packages are all in the yum source. Let's install this service through yum first.

two。 Let's start the service and take a look.