Commands by ElAlecs

Commands by ElAlecs (4)

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Disabling Spotlight on Mac OS

To re enable just change the "off" for "on" Show Sample Output
This is sample output - yours may be different.
```
Indexing disabled.
```
0

sudo mdutil -a -i off

ElAlecs · 2010-08-26 16:34:20 0
Show the 1000*1000 and 1024*1024 size of HDs on system

I know this sucks in some way but if someone can improve it please be my guest Show Sample Output
This is sample output - yours may be different.
```
        device size with M = 1024*1024:       38166 MBytes
        device size with M = 1000*1000:       40020 MBytes (40 GB)
        device size with M = 1024*1024:       58627 MBytes
        device size with M = 1000*1000:       61475 MBytes (61 GB)
        device size with M = 1024*1024:      238475 MBytes
        device size with M = 1000*1000:      250059 MBytes (250 GB)
```
0

for I in $(awk '/d[a-z]+$/{print $4}' /proc/partitions); do sudo hdparm -I '/dev/'$I; done | grep 'device size with M'

ElAlecs · 2010-03-02 18:56:32 1
tar per directory

Very simple and useful, you need to change the word "directory" for your directory
This is sample output - yours may be different.
-3

cd <YOUR_DIRECTORY>; for i in `ls ./`; do tar czvf "$i".tar.gz "$i" ; done

ElAlecs · 2009-06-11 18:33:27 6

Know which modules are loaded on an Apache server

This let you know which modules has loaded the Apache server, very useful to know if the mod_rewrite is ready to use. Show Sample Output

apache2 -t -D DUMP_MODULES

ElAlecs · 2009-02-16 17:30:20 2

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Split a tarball into multiple parts

Create a tar file in multiple parts if it's to large for a single disk, your filesystem, etc. Rejoin later with `cat .tar.*|tar xf -`

Hypnosis

rather don't depend on those sleepin'pills http://en.wikipedia.org/wiki/Counting_sheep

recursive search and replace old with new string, inside files

Search and replace recursively. :-) Shorter and simpler than the others. And allows more terms: replace old new [old new ...] -- `find -type f`

Download YouTube Videos using wget and youtube-dl and just using the video link

in place of "output-filename.mp4" put the name you want the file to be named with. in place of "youtube-video-link" put the link of the Video page eg: http://www.youtube.com/watch?v=AclA-7YntvE in place of "format-number" put the number of the file format you would like How to get the "format-number" to get format number type in below command before running this command $ youtube-dl -F "youtube-video-link" and it will list all the available formats with the format number, like to download in 360p mp4 use the number "18" To automatically let it fetch the best quality available just remove the -f "format-number" and you are good to go.

check open ports without netstat or lsof

Print just line 4 from a textfile

Prints the 4th line and then quits. (Credit goes to flatcap in comments: http://www.commandlinefu.com/commands/view/6031/print-just-line-4-from-a-textfile#comment.)

Convert entire audio library in parallel

Uses parallel processing Reiteration of my earlier command https://www.commandlinefu.com/commands/view/15246/convert-entire-music-library Usage lc Old_Directory New_DIrectory Old_Format New_Format lc ~/Music ~/Music_ogg mp3 ogg

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"

List Network Tools in Linux

Get all the networking related commands for your distro

Bash logger

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