Commands by roddip (0)

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dump database from postgresql to a file

Real time satellite wheather wallpaper
Changes the wallpaper to the last satellite image. Tha url above shows latin america. Seek the best url for your location Now I have a usefull background image in my desktop I use it inside kalarm updating every 15 minutes. May be done with 'watch' instead It s an option to xplanet ( kde ) and xearth needs xli , curl

Generate SHA1 hash for each file in a list
List files and pass to openssl to calculate the hash for each file.

Print today's date in ISO format without calling an external command (bash 4)

Mysql extended status
Useful when checking MySQL status.

List available upgrades from apt (package names only)
Usefull if you only want to see the package names, or if you want to use them in a script.

save date and time for each command in history
Date-time format: YYYY-MM-DD HH:MM:SS

dont execute command just add it to history as a comment, handy if your command is not "complete" yet

Limit the cpu usage of a process
Similar to `cpulimit`, although `prlimit` can be found shipped with recent util-linux. Example: limit CPU consumption to 10% for a math problem which ordinarily takes up 100% CPU: Before: $ bc -l

Recursive Ownership Change
Changing files ownership in a directory recursivley from a user to another

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