Configure the APT Package Manager
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Although you've succeed the installation, you cannot do anything without configuring your source of your package manager.
Most Debian-based systems provied a powerful package manager called Advanced Packaging Tool, or APT. We can easily use apt-get command to install/remove open-source software in the Debian repository.
Before starting the configuraion, check the network connection in advance:
If you receive something like, it mean your connection is well:
Open /etc/apt/source.list We will use vi to edit source.list. If you are not familiar to vi, use nano to substitube for vi in the command.
For an archieve mirror of Debian 8 (jessie) repository, simply add following lines into sourece.list.
NOTE: You need to substitute <favourite-cran-mirror> by one of the mirror URLs listed in the . For example: deb http://debian.csie.ntu.edu.tw/debian/ jessie main
Comment out the sources from CD/DVD In the source.list file, there are some CD/DVD sources reserved for dealing some situation without network in the future. For now, they are useless and should be commented out:
After all the commands above, you can install whatever your want in the Debian Repository.
apt-get update: This command can resynchronize and update all packages from the sources. For security issue, ensure you update your server regulariry.
apt-get install/remove: These command can simply install/remove packages you specified.
apt-get auroremove: After you remove some pakcages, you may want to execute this command for clean all the dependency.