Commands using du (244)

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List all installed PERL modules by CPAN
This command will give you the detailed information about the installed perl modules i.e. installed path, Link type, version, files etc.

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"

Re-emerge all ebuilds with missing files (Gentoo Linux)
Revised approach to and3k's version, using pipes and read rather than command substitution. This does not require fiddling with IFS when paths have whitespace, and does not risk hitting command-line size limits. It's less verbose on the missing files, but it stops iterating at the first file that's missing, so it should be definitely faster. I expanded all the qlist options to be more self-describing.

Undo mkdir -p new/directory/path
Removes all directories on given path, working from right to left, and stops when reaching a non-empty directory Counterpart of $ mkdir -p new/directory/path Shortcut (must be issues as next command immediately after mkdir): $ ^mk^rm ( see http://www.commandlinefu.com/commands/view/19/runs-previous-command-but-replacing )

Get me yesterday's date, even if today is 1-Mar-2008 and yesterday was 29-Feb-2008
Fool date by setting the timezone out by 24 hours and you get yesterday's date. Try TZ=XYZ-24 to get tomorrow's date. I live in TZ=GMT0BST so you might need to shift the number 24 by the hours in your timezone.

Generate random number with shuf
If you don't have seq or shuf, bash can be used.

check open ports without netstat or lsof

Remove \r (carriage return) in a file

show all established tcp connections on os x

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"


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