automatically add and remove files in subversion so that you don't have to do it through the annoying svn commands anymore

Schedule your Mac to sleep at any future time.

Also wake, poweron, shutdown, wakeorpoweron. Or repeating with

Query with

Lots more at http://www.macenterprise.org/articles/powermanagementandschedulingviathecommandline

alt + number + dot will insert last command argument at $number place, alt + 0 + . will print last command name. For example

alt + 1 + . will result in '/usr' , if you press alt + . again, it will result in '/tmp'

alt + 0 + . -> 'ls'

ec commits changes to etckeeper

must have etckeeper installed with bzr to use this

place inside bashrc

can be used from any directory to commit changes

list what applications using what ports

these are some aliases you can use in bashrc to shorten the amount of typing needed to use apt-get, also can be used as reference if you can't remember alot of commands or command parameter variations,etc...

Please comment with more apt-get aliases if I missed any, thx

And then to complete the task:

Go to target host;

Turn everything off:

Create duplicate config:

alias for editing .bashrc and sourcing it with a quick command, very useful for quickly adding and modifying alias' and functions in bashrc, create lots of alias from commandlinefu very quickly, use nano vim or any other edit if you want, very useful if you have a barcode scanner and you want to run commands quickly with barcodes

see what's in your memory right now... sometimes you find passwords, account numbers and url's that were recently used. Anyone have a safe command to clear the memory without rebooting?

History usually only gives the command number and the command. This will add a timestamp to the history file.

Note: this will only put the correct timestamp on commands used after the export is done. You may want to put this in your .bashrc

Kudzu is available on CentOS, used for configuring and detecting new hardware device installed, is also usefull for device listing.

I use it sometimes when I work on a french file transferred from a windows XP to a Debian-UTF8 system. Those are not correctly displayed: ? ? ? and so on

Shows a file without comments (at least those starting by #)

- removes empty lines

- removes lines starting by # or "some spaces/tabs then #'"

Useful when you want to quickly see what you have to customize on a freshly installed application without reading the comments that sometimes are a full 1000 lines documentation :)

While posting, I saw this http://www.commandlinefu.com/commands/view/1041/display-contents-of-a-file-wo-any-comments-or-blank-lines

But it's dirty and incomplete, to my mind

My original goal was to remove lines like "\t*#" but I can't figure out how to do a egrep '\t' on a command-line. Two workarounds if needed:

or

This is a simple but useful command to search for multiple terms in a file at once. This prevents you from having to do mutliple grep's of the same file.

wraps text lines at the specified width (90 here).

-s option is to force to wrap on blank characters

-b count bytes instead of columns

Quick and easy way of validating a date format of yyyy-mm-dd and returning a boolean, the regex can easily be upgraded to handle "in betweens" for mm dd or to validate other types of strings, ex. ip address.

Boolean output could easily be piped into a condition for a more complete one-liner.

replace "directory name with files to add to DVD" with actual directory containing files you want to add to growable DVD

replace "directory name to burn on DVD" with actual directory name that you want to copy on DVD