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Category Archives: Tools

Amazon ElasticMapReduce and the Screen Command

How many times have you SSH’d into a remote GNU/Linux server, ran a long-running command, only to come back to a stuck or disconnected SSH session? GNU Screen to the rescue! GNU Screen is perhaps one of the most subtle, useful, and difficult to understand commands in the GNU/Linux command arsenal. The important thing it does for […]

Shell Analytics: command line tools for data analysis

Shell Analytics is when you use command line tools to analyse or manipulate data. Command line tools are an invaluable tool for working with data, specifically files or command line programs which output useful data. Not only can you quickly preview the first or last few lines of a file quickly and easily (head/tail), you […]