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Securing Linux Servers and Desktops
The next problem is the fact that you should install any application by compiling its source (but only after MD5 checksum has been verified positively). However, in the real world this is not very common, especially when RPM and Debian packages are widely available. While the use of packages aids the installation of applications in a system, for security reasons it is not a recommended option. This is especially true for server applications.
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