May 2010
Ceph: A Linux petabyte-scale distributed file system
A recent addition to Linux's impressive selection of file systems is Ceph, a distributed file system that incorporates replication and fault tolerance while maintaining POSIX compatibility. Explore the architecture of Ceph and learn how it provides fault tolerance and simplifies the management of massive amounts of data.
January 2009
The benefits of parceling Root power with POSIX
POSIX file capabilities split root user powers into smaller privileges, such as the ability to read files or to trace processes owned by another user. By assigning capabilities to a file, you can enable an unprivileged user to execute the file with those specified privileges. In this article, learn how programs can make use of POSIX capabilities, how to investigate which capabilities are needed by a program, and how to assign those capabilities to the program.
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