Commands using ssh (347)

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Print all fields in a file/output from field N to the end of the line

Exclude inserting a table from a sql import
Starting with a large MySQL dump file (*.sql) remove any lines that have inserts for the specified table. Sometimes one or two tables are very large and uneeded, eg. log tables. To exclude multiple tables you can get fancy with sed, or just run the command again on subsequently generated files.

Do some learning...
compgen -c finds everything in your path.

concatenate compressed and uncompressed logs
with zcat force option it's even simpler.

Recursively compare two directories and output their differences on a readable format

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Check whether laptop is running on battery or cable
If you want to do the same in OS X... grep as necessary for information you need....

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Monitor dynamic changes in the dmesg log.
Other logs can be monitored similarly, e.g. $ watch "tail -15 /var/log/daemon.log"

Replace spaces in filenames with underscores


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