Commands using tar (226)

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Check your unread Gmail from the command line
notice what happens when there is more than one unread message in a thread... also people please dont hardcode the password when you use curl. Leave it out and curl will ask you when it runs. Please...?

Replace strings in text
-e is the script function, it performs search and replace like vi, and -i is the edit the file in place.

Find all active ip's in a subnet
nmap for windows and other platforms is available on developer's site: http://nmap.org/download.html nmap is robust tool with many options and has various output modes - is the best (imho) tool out there.. from nmap 5.21 man page: -oN/-oX/-oS/-oG : Output scan in normal, XML, s|

list block devices
Shows all block devices in a tree with descruptions of what they are.

Binary difference of two files
Upload/download newer version of any file with less size and high speed. To remake the new file use $bspatch

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 if it's your binary birthday!
Print out your age in days in binary. Today's my binary birthday, I'm 2^14 days old :-) . This command does bash arithmatic $(( )) on two dates: Today: $(date +%s) Date of birth: $(date +%s -d YYYY-MM-DD) The dates are expressed as the number of seconds since the Unix epoch (Jan 1970), so we devide the difference by 86400 (seconds per day). . Finally we pipe "obase=2; DAYS-OLD" into bc to convert to binary. (obase == output base)

Get sunrise and sunset times
This will get the sunrise and sunset times of a specific location. To be able to determine $l you need to first go to http://weather.yahoo.com/ and look up your location. The last numbers in the URL will be the $l Instead of forecastrss?w=$l you can also use forecastrss?p=$l and use the RSS link of the city you found. Also see http://developer.yahoo.com/weather/ for more information

Find the package that installed a command

Remove password from Bank Statement


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