Red Flag Linux Desktop 6.0 User manual: Installing application Software

There are three types of applications under Linux (Red Flag Linux Default supported types for tar packages and RPM packages):

Tar bag

Made from the packaging tools of the UNIX system, such as example-1.2.3-1.tar.gz.

RPM Package

Red Hat offers a package package format, such as example-1.2.3-1.i386.rpm.

Dpkg Bag

Debain Linux provides a package encapsulation format, such as Example-1.2.3-1.i386.deb.

Usually in tar package is the source program, with RPM, dpkg packaged is an executable program. A general software will provide a variety of packaging format installer, users can choose according to the situation. It is more flexible to build your own installation source program, but the novice user may experience some difficulty while the executable package will be easier to complete the installation.

This chapter briefly describes how to use shell commands to install and manage applications and software tools in your system, and then details how to install and manage the RPM packages in a desktop environment using graphical package management tools.

8.9.1 Use RPM command

RPM is a very powerful package management system that makes it easy to install, upgrade, and remove software packages under Linux, and has the ability to query and verify software packages. Using a command line can be more flexible than a graphical tool.

The following examples represent the names of the object packages in example-1.2.3-1.i386.rpm.

8.9.1.1 installation, upgrades, and updates

Apply the following three parameters to install the package for the system:

Rpm-i Install a new package

Rpm-u upgrades an existing package in a system and installs it if it does not exist

RPM-F update a software package and do not install if the system does not exist

Parameters that are often used in conjunction with these parameters include:

-V view various information during installation

-H Display progress bar during installation

A commonly used command form is as follows:

RPM–UVH example-1.2.3-1.i386.rpm

This command upgrades or installs the package and displays the installation information and progress bar.

8.9.1.2 Delete

The command to delete a package is: rpm-e example

The name of the software is used instead of the full name of the package.