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subdomain name and DNS.

by fefe on 16. Mar, 2010 in Rails, Ruby On Rails

My colleague and I were working on a feature to apply dynamic subdomain name in one of our rails apps. Since a lot of documentation out there only focus on how to host subdomain app by configuring the /etc/hosts file. I reckon I share some insight on how to actually enable dynamic subdomain in your [...]

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sever out of memory

by fefe on 16. Mar, 2010 in General

lately my server always out of memory, then i do some searching, and come out some tuning. http://emergent.urbanpug.com/?p=60. and then to test up the result: – free pagecache, dentries and inodes: sudo sh -c “echo 3 > /proc/sys/vm/drop_caches” – free -m voilla!!..i got hundred ram MB left at my slice.

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