
Changing the Default Debian Packages
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15
Changing the Default Debian Packages
We started with the packages the Debian maintainers place in their distribution by
default. As noted earlier, we need to make some changes—notably, in order to use
Postfix. While you might think we’re second-guessing the good work of the Debian
team, that’s not quite the case.
The Debian team has chosen to install, by default, services appropriate for a LAN,
such as the Network File System (NFS). But we’re putting our server on the Internet,
so we’ll want to delete NFS and some other services, while adding others such as
OpenSSL.
To retrieve the files needed for this chapter, execute the following command:
# apt-get install wget bzip2 rdate fetchmail libdb3++-dev \
unzip zip ncftp xlispstat libarchive-zip-perl \
zlib1g-dev libpopt-dev nmap openssl lynx fileutils
You will then see Debian downloading files in your console. Soon, the downloading
activity will stop and you will see a question such as the following asking you if you
want to continue:
0 upgraded, 42 newly installed, 0 to remove and 0 not upgraded.
Need to get 12.2MB of archives.
After unpacking 35.8MB of additional disk space will be used.
Do you want to continue? [Y/n]
Entering Y will complete the installation of the additional files.
Next, you will want to remove services you will not use. Execute the following com-
mand, and you will see the output that follows: ...