Just another way to waste resources.
Archive of posts filed under the shell category.
Remove duplicates, but keeping only the last occurrence
Again on IRC, somebody asked how to remove duplicates from a file, but keeping only the last occurrence of each item. The classic awk idiom awk '!a[$0]++' prints only the first instance of every line. So if the input is, for example foo bar baz foo xxx yyy bar the "normal" output (ie using the [...]
Running local script remotely (with arguments)
Some ways to remotely run a local script.
Poor man’s HTTP VPN
Send IP traffic over HTTP.