To install a software in Linux servers, Linux uses Packages. Package contains a file that contains information such as dependent information, version information , architecture information etc.
There are 2 commonly used package systems
1. RPM
2. DEBIAN
The source code or programs that are shipped in .rpm or .deb file will be locally stored and then installed. This is done using RPM or DPKG commands.
Most of distributions now offer online repositories, there is no need to store programs and dependent library package locally before installation. These online repositories configured locally. Distribution specific tool like APT-GET , YUM or ZYPPER could install/update packages using online repositories.
