linux

linux

Parallel UNIX utilities

This post covers some usefull Unix utilities to run parallel processes on the command line.

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linux

Efficient log processing

I've recently learned a couple of neat tricks to process large amounts of text files more efficiently. Our use-case is efficiently going through tens of gigabytes of logs to extract specific lines and do some operation on them. Here are a couple of things we've done to speed things up.

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linux

Grub error 21 with Ubuntu

This post talks about Grub returning error 21 after installing Ubuntu.

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linux

Disabling recursive queries on DNS servers

By default, cpanel doesn't disable recursive queries on your DNS server. This post shows how this can be fixed.

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