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Normally when a site is blocked through /etc/hosts, traffic is just being redirected to a non-existent server that isn't going to respond. This helps get your point across a little more clearly than a browser timeout.
Of course you could use any number of codes: http://en.wikipedia.org/wiki/List_of_HTTP_status_codes
Obviously, this command can be added to init-rc.d, and more sophisticated responses can be given. Seems noteworthy to mention that the information sent from the browser can be parsed using the bash READ builtin (such as 'while read -t 1 statement; do parsing'), and the connection stays open until the script exits. Take care that you must use EXEC:'bash -c foo.sh', as 'execvp' (socat's method for executing scripts) invokes 'sh', not 'bash'.
This logs the titles of the active windows, thus you can monitor what you have done during which times. (it is not hard to also log the executable name, but then it is gets too long)
Skip forward and back using the < and > keys. Display the file title with I.
I use this alias in my bashrc. The --vi-keys option makes info use vi-like and less-like key bindings.
Axel
--max-speed=x, -s x
You can specify a speed (bytes per second) here and Axel will
try to keep the average speed around this speed. Useful if you
don?t want the program to suck up all of your bandwidth.
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"
The above command will send 4GB of data from one host to the next over the network, without consuming any unnecessary disk on either the client nor the host. This is a quick and dirty way to benchmark network speed without wasting any time or disk space.
Of course, change the byte size and count as necessary.
This command also doesn't rely on any extra 3rd party utilities, as dd, ssh, cat, /dev/zero and /dev/null are installed on all major Unix-like operating systems.
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"
Because Mac app bundles contain everything in one place, it makes running them from anywhere, including from a device such as a USB flash drive or external HDD, possible. So if your Mac has a mere 256GB of storage (as mine does), you can free up large quantities of disk space by storing apps like, say, Xcode on external devices.