Hi All.
From my experiences, good admin should have sufficient knowledge about
C programming. He/She sould be familiar with system functions like:
- fork(), waitpid()
- open(), read(), write()
- socket(), bind(), listen(), accept()
- shm*()
- ...
I can't see the possibility about proper system understanging and tuning
without such knowledge. In the end, FreeBSD is written in C.
I've found out, that people with poor understanding of C system
functions are also poor admins, when we speak about high volume servers.
They simply can't diagnose/explain/solve heavy traffic problems.
If i'd have to make a choice of recruitment, that would be important
topic at the interview.
For the purpose of certification, I'd suggest for example a piece(s) of
broken/badly written C code with questions about a problem there.
Best Regards
Piotr Rybicki
http://www.innervision.pl
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