Commands by kev

Commands by kev (116)

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Display helpful information about builtin commands.

don't `man bash` Show Sample Output
This is sample output - yours may be different.
```
builtin: builtin [shell-builtin [arg ...]]
     Run a shell builtin.  This is useful when you wish to rename a
    shell builtin to be a function, but need the functionality of the
    builtin within the function itself.
```
-4

help builtin

kev · 2011-12-25 04:52:49 6
vim read stdin
This is sample output - yours may be different.
5

ls | vim +'set bt=nowrite' -

kev · 2011-12-24 07:33:49 6
get current tty name

http://www.thegeekstuff.com/2009/03/4-ways-to-identify-who-is-logged-in-on-your-linux-system/
This is sample output - yours may be different.
-8

who am i

kev · 2011-12-23 03:30:47 8
extract element of xml
This is sample output - yours may be different.
9

xmlstarlet sel -t -c "/path/to/element" file.xml

kev · 2011-12-19 06:20:46 4
don't auto run gdm

run `sudo update-rc.d gdm defaults` to get it back
This is sample output - yours may be different.
-2

sudo update-rc.d -f gdm remove

kev · 2011-12-16 10:12:21 3
list with full path
This is sample output - yours may be different.
0

find `pwd` -maxdepth 1 -exec ls --color -d {} \;

kev · 2011-12-16 06:18:35 5
copy `file.txt` to remote server
This is sample output - yours may be different.
-6

scp -l username -pw pa33w0rd file.txt 192.168.1.2:/path/to/dir

kev · 2011-12-16 02:48:38 4
cvs diff HEAD and current branch

you can't reliably use diff against -r HEAD to test whether a file matches the head of the trunk.
This is sample output - yours may be different.
0

cvs up -pA main.cpp | sdiff -s - main.cpp

kev · 2011-12-14 04:51:40 4
google chart api

http://chart.apis.google.com/chart?chs=450x200&cht=p3&chtt=Browser+Usage+on+Wikimedia&chl=IE%2834.2%%29|Firefox%2823.6%%29|Chrome%2820.6%%29|Safari%2811.2%%29|Opera%285.0%%29|Android%281.9%%29|Other%283.5%%29&chd=t:34.2,23.6,20.6,11.2,5.0,1.9,3.5
This is sample output - yours may be different.
1

wget -O chart.png 'http://chart.googleapis.com/chart?chs=250x100&chd=t:60,40&cht=p3&chl=Hello|World'

kev · 2011-12-10 18:03:16 59
remove *.jpg smaller than 500x500
This is sample output - yours may be different.
2

identify -format '%w %h %f\n' *.jpg | awk 'NF==3&&$1<500&&$2<500{print $3}' | xargs -r rm

kev · 2011-12-03 03:34:16 3

generate random ascii shape(no x11 needed!)

echo 'set term dumb; unset border; unset xtics; unset ytics; p "< seq 10 | shuf" u 1:(rand(0)) w l notitle' | gnuplot

kev · 2011-11-30 02:08:53 4

generate random identicon
This is sample output - yours may be different.
7

curl -s "http://www.gravatar.com/avatar/`uuidgen | md5sum | awk '{print $1}'`?s=64&d=identicon&r=PG" | display

kev · 2011-11-29 16:41:04 32
histogram of file size
This is sample output - yours may be different.
2

gnuplot -p <(echo "set style data hist; set xtic rot by -45; plot '<(stat -c \"%n %s\" *)' u 2:xtic(1)")

kev · 2011-11-29 13:23:36 5
google tts
This is sample output - yours may be different.
2

say() { curl -sA Mozilla -d q=`python3 -c 'from urllib.parse import quote_plus; from sys import stdin; print(quote_plus(stdin.read()[:100]))' <<<"$@"` 'http://translate.google.com/translate_tts' | mpg123 -q -; }

kev · 2011-11-26 09:18:16 20
encrypt sensitive image using password

Do not use JPEG, GIF, or any other 'lossy' image encoding with Encryption
This is sample output - yours may be different.
0

read -s PASS; echo $PASS | convert sensitive.jpg -encipher - -depth 8 png24:hidden.png

kev · 2011-11-25 18:15:23 11
create thumbnail of pdf
This is sample output - yours may be different.
4

convert -resize 200 awk.pdf[0] awk.png

kev · 2011-11-23 03:50:15 3
capture selected window
This is sample output - yours may be different.
4

import -window `xwininfo | awk '/Window id/{print $4; exit}'` `uuidgen`.png

kev · 2011-11-23 03:48:40 7
save man-page as pdf
This is sample output - yours may be different.
17

man -t awk | ps2pdf - awk.pdf

kev · 2011-11-23 01:40:23 8
Prints "hello, world" to the console in very large letters

# # ####### # # ####### # # ####### ###### # ###### # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ####### ##### # # # # ### # # # # # ###### # # # # # # # # # # ### # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # ####### ####### ####### ####### # ## ## ####### # # ####### ###### Show Sample Output
This is sample output - yours may be different.
```
#     #  #######  #        #        #######                     #     #  #######  ######   #        ######
#     #  #        #        #        #     #                     #  #  #  #     #  #     #  #        #     #
#     #  #        #        #        #     #                     #  #  #  #     #  #     #  #        #     #
#######  #####    #        #        #     #   ###               #  #  #  #     #  ######   #        #     #
#     #  #        #        #        #     #   ###               #  #  #  #     #  #   #    #        #     #
#     #  #        #        #        #     #    #                #  #  #  #     #  #    #   #        #     #
#     #  #######  #######  #######  #######   #                  ## ##   #######  #     #  #######  ######
```
-4

paste <(banner hello,\ ) <(banner world)

kev · 2011-11-21 06:38:16 5
ascii digital clock

# ### ### # # ### ### # # # ## # # ### # # # # ### ## # # # # # # ### # # # # ### # # # # # ### ##### # # ##### # # # ### # # ### # # # # # ### # # ### # # ##### ### ### # ##### ### ##### # Show Sample Output
This is sample output - yours may be different.
```
  #     ###    ###   #   #   ###    ###     #    #   #
 ##    #   #   ###   #   #  #   #   ###    ##    #   #
# #    #   #   ###   #   #  #   #   ###   # #    #   #
  #     ###          #####     #            #    #####
  #    #   #   ###       #    #     ###     #        #
  #    #   #   ###       #   #      ###     #        #
#####   ###    ###       #  #####   ###   #####      #
```
5

watch -tn1 'date +%T | xargs banner'

kev · 2011-11-20 04:46:02 9
Start COMMAND, and kill it if still running after 5 seconds
This is sample output - yours may be different.
43

timeout 5s COMMAND

kev · 2011-11-19 06:14:33 12
remap Caps_Lock to Escape
This is sample output - yours may be different.
7

xmodmap -e 'clear Lock' -e 'keycode 0x42 = Escape'

kev · 2011-11-17 08:51:35 5
generate random string
This is sample output - yours may be different.
0

python -c 'import string, random; print "".join(random.choice(string.letters+string.digits) for x in range(6))'

kev · 2011-11-16 17:22:39 22
generate /etc/shadow-style password

Show Sample Output
This is sample output - yours may be different.
```
$1$saltsalt$J9FHdD60EASotLk.KSSI4/
```
-2

mkpasswd -5 pa33w0rd saltsalt

kev · 2011-11-16 16:24:18 9
subtraction between lines
This is sample output - yours may be different.
1

seq 1 3 20 | sed -n '1{h;d};H;x;s/\n/\t/p' | awk '{printf("%d - %d = %d\n", $2, $1, $2-$1)}'

kev · 2011-11-10 10:38:11 6
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Find usb device in realtime

Using this command you can track a moment when usb device was attached.

rename anime fansubs

renames Anime Episodes to files, that can be parsed by sonarr & co

Install pip with Proxy

Installs pip packages defining a proxy

check open ports without netstat or lsof

Find the 10 users that take up the most disk space

Unix commandline history substitution like ^foo^bar BUT for multiple replacements

#1 You invoked a command chain. #2 You globaly replace the scriptnames and execute them direct #3 The new executed command chain [# ^foo^bar] would only replace the firts match [foo] with [bar].

Use Linux coding style in C program

put "-linux" option into $HOME/.indent.pro to make it default

Find all files under a certain directory /home that have a certain suffix at the end of the file name. Show the file and rename them to remove the suffix.

Retry the previous command until it exits successfully

Sorted list of established destination connections

no need grep. its redundant when awk is present.

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Commands by kev (116)

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