Linux Fundamentals 19

1.linux Package Management API Application Interface ABI Application Binary Interface 2. Library executable program, this is not a program to execute the portal, but can be called in the compiled binary format 3. Program precompiled compilation link static dynamic DLL So (Shard object) 4. Package Components binary Program/bin/sbin/usr/bin/usr/sbin/usr/local/bin/usr/local/sbin Library/lib/lib64/us r/lib/usr/lib64/usr/local/lib/usr/local/lib64 config file/etc Help file man info reademe INSTALL changlog man COMMAND to A path looks for the name of a compressed file with the same command name usually ending in. gz/usr/share/man

5. Application Manager

Maintain database: Provide functional description, software name and version, dependency (environment dependent, version dependent), install generated file path and checksum code

Provides data composition format: File list, program script to run when installing uninstall

6. Basic features of Package Manager

Package, install, query, upgrade, uninstall, check, database query

7. Front-end Manager

Apt-get

Yum

8. How to install the application

Using the Package Manager

Package Manager's front-end tools

Source code Compilation

Simple packaged binary format

Use of 9.rpm Packages

RPM Package Command format

SOURCE program: Name-version.tar. {Gz|bz2|sz}

Version:major,minor,release

RPM Package name-version-release-.arch.rpm

Release: usually contains the RPM production release number and also includes the applicable OS

eg:bash-4.3.2-2.el6.x86_64.rpm

El6:redhat Enterprise linux6

X86_64:arch

10. Subcontracting: Packaging A large program into multiple packages

eg:bash-4.3.2-2.el6.x86_64.rpm

bash-hell0-4.3.2.el6.x86_64.rpm

bash-world-4.3.2.exl6.x86_64.rpm

Linux Fundamentals 19