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Measures download speed on eth0

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

cpu stress test
For each cpu set mask and then monitor your cpu infos. Temp,load avg. etc. For example for 2nd cpu or 2nd core taskset 0x00000002 yes > /dev/null & For example for 3rd cpu or 3rd core taskset 0x00000004 yes > /dev/null & For example for 4th cpu or 4th core taskset 0x00000008 yes > /dev/null & Monitor your cpu temp with this command if you want watch -n1 "acpi -t" Load avg. from top command top kerim@bayner.com http://www.bayner.com/

list files recursively by size

find text in a file
this will find text in the directory you specify and give you line where it appears.

Send pop-up notifications on Gnome
The title is optional. Options: -t: expire time in milliseconds. -u: urgency (low, normal, critical). -i: icon path. On Debian-based systems you may need to install the 'libnotify-bin' package. Useful to advise when a wget download or a simulation ends. Example: $ wget URL ; notify-send "Done"

Detect encoding of a text file
This command gives you the charset of a text file, which would be handy if you have no idea of the encoding.

Decrypt exported android wallet keys for import into desktop client (LTC,FTC,BTC)

find text in a file
this will find text in the directory you specify and give you line where it appears.

Generat a Random MAC address
Generate a random MAC address with capital letters


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