Commands by ntropia

Commands by ntropia (5)

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hardcode dnsserver, no more rewriting of etc/resolv.conf

The while loop is an overkill, it would be simpler to prevent the file to be modified. That said, none of the proposed solutions are such: a real one would go to the source of the problem.
This is sample output - yours may be different.
-1

chkmod -w /etc/resolve.conf

ntropia · 2018-05-14 16:25:47 82
Selecting a random file/folder of a folder

The same thing using only Bash built-in's. For readability I've kept the variables out, but it could me made extremely more compact (and totally unreadable!) by stuffing everything inside the single echo command.
This is sample output - yours may be different.
-3

IFS=$'\n'; LIST=`ls -1`; let TOT=`echo $LIST | wc -w`-1 ; array=($LIST); echo "Selected ${array[ ($RANDOM % $TOT) ]}"

ntropia · 2011-03-13 21:30:44 3
Terrorist threat level text

This line provides the same result by reading the output of a less arbitrary value. This is a personal choice on the matter, and the result on different machines may vary.
This is sample output - yours may be different.
9

echo "Terrorist threat level: `od -An -N1 -i /dev/random`"

ntropia · 2011-01-28 03:16:21 6
find the device when you only know the mount point

Same output Show Sample Output
This is sample output - yours may be different.
```
A different way to obtain the same without having "to shoot" with the Awk cannon :)
```
-2

df | grep -w '/media/armadillo' | cut -d " " -f 1

ntropia · 2011-01-21 05:39:58 3
find the device when you only know the mount point

Identical output but a different way without having to shoot with the Awk cannon :)
This is sample output - yours may be different.
-2

df | grep -w '/media/mountpoint' | cut -d " " -f 1

ntropia · 2011-01-21 05:38:05 3

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find the difference between two nodes

Get HTTP status code with curl AND print response on new line

processes per user counter

use Linux ;)

Print trending topics on Twitter

Testing hard disk writing speed

Copy one file to multiple files

Copies file.org to file.copy1 ... file.copyn

Convert CSV to JSON

Replace 'csv_file.csv' with your filename.

Look for English words in /dev/urandom

Little faster alternative.

Pipe STDOUT to vim

The hyphen tells vim to open from STDOUT - saves having to create temporary files.

GRUB2: Set Imperial Death March as startup tune

Kudos to http://www.commandlinefu.com/commands/view/8275/grub2-set-super-mario-as-startup-tune

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