Johan Danielsson

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AFS is a world-wide distributed file system that supports several advantages over NFS, like better administration and availability. Arla is a free AFS-client, today available for a number of systems for which there are not any Transarc clients. Porting it to new systems is not hard. Arla also has some disconnected functionality and supports encryption of(More)
We present PerfMiner, a system for the transparent collection, storage and presentation of thread-level hardware performance data across an entire cluster. Every sub-process/thread spawned by the user through the batch system is measured with near zero overhead and no dilation of run-time. Performance metrics are collected at the thread level using tool(More)
As a practical means of achieving better security and single sign-on, the Kerberos network authentication system has been in wide use in the Unix world for many years. Microsoft has included its own implementation in Windows 2000, replacing the NTLM authentication system from older Windows NT versions. This facilitates sharing account information between(More)
One of the oldest and still most popular applications on the Internet is electronic mail (e-mail). More and more people find e-mail to be a practical form of communication with colleagues, companies, authorities, relatives, and friends. For many people, e-mail has become the preferred means of communication. And there are lots of mailing lists where people(More)
As a practical means of achieving better security and single sign-on, the Kerberos network authentication system has been in wide use in the Unix world for many years. Microsoft has included its own implementation in Windows 2000, replacing the NTLM authentication system from older Windows NT versions. This facilitates sharing account information between(More)
The Mackinac VSC (Voltage Source Converter) HVDC Back-to-Back Project is currently in the commissioning phase and scheduled to be in operation in July in 2014. The HVDC station, located in the Upper Peninsula (UP) of Michigan, was the technology selected after a thorough evaluation to determine which technology concept could best solve overload issues in(More)
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