Commands by point_to

Commands by point_to_null (9)

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du with colored bar graph

A more efficient way, with reversed order to put the focus in the big ones. Show Sample Output
This is sample output - yours may be different.
```
 41.37% ############################################################## Others
 17.96% ########################### Woody Allen
 13.19% #################### Argentina
 10.86% ################ Ingmar Bergman
  6.55% ########## Serbia
  3.92% ###### NI
  2.24% ### Luis Bu?uel
  0.95% # Jean Renoir
  0.66% # M?xico
  0.64% # Colombia
  0.45% # Charlie Chaplin
  0.45% # Leni Riefenstahl
  0.42% # Cuba
  0.36% # Chile
```
12

du -x --max-depth=1|sort -rn|awk -F / -v c=$COLUMNS 'NR==1{t=$1} NR>1{r=int($1/t*c+.5); b="\033[1;31m"; for (i=0; i<r; i++) b=b"#"; printf " %5.2f%% %s\033[0m %s\n", $1/t*100, b, $2}'|tac

point_to_null · 2015-09-12 10:36:49 22
Print diagram of user/groups

Parses /etc/group to "dot" format and pases it to "display" (imagemagick) to show a usefull diagram of users and groups (don't show empty groups).
This is sample output - yours may be different.
19

awk 'BEGIN{FS=":"; print "digraph{"}{split($4, a, ","); for (i in a) printf "\"%s\" [shape=box]\n\"%s\" -> \"%s\"\n", $1, a[i], $1}END{print "}"}' /etc/group|display

point_to_null · 2011-12-04 01:56:44 14
Draw kernel module dependancy graph.

parse "lsmod" output to "dot" format and pass it to "display". Without perl!
This is sample output - yours may be different.
15

lsmod | awk 'BEGIN{print "digraph{"}{split($4, a, ","); for (i in a) print $1, "->", a[i]}END{print "}"}'|display

point_to_null · 2011-12-04 01:41:23 7
Show bandwidth use oneliner

poorman's ifstat using just sh and awk. You must change "eth0" with your interface's name. Show Sample Output
This is sample output - yours may be different.
```
02:18:43     1.71 KiB/s in     0.11 KiB/s out
02:18:44     0.75 KiB/s in     0.25 KiB/s out
02:18:45     0.47 KiB/s in     0.20 KiB/s out
02:18:46     0.59 KiB/s in     0.15 KiB/s out
02:18:47     1.12 KiB/s in     1.37 KiB/s out
02:18:48     0.65 KiB/s in     0.21 KiB/s out
02:18:49     0.50 KiB/s in     0.31 KiB/s out
02:18:50     1.28 KiB/s in     0.37 KiB/s out
02:18:51     0.50 KiB/s in     0.05 KiB/s out
02:18:52     2.26 KiB/s in     0.10 KiB/s out
```
10

while true; do cat /proc/net/dev; sleep 1; done | awk -v dc="date \"+%T\"" '/eth0/{i = $2 - oi; o = $10 - oo; oi = $2; oo = $10; dc|getline d; close(dc); if (a++) printf "%s %8.2f KiB/s in %8.2f KiB/s out\n", d, i/1024, o/1024}'

point_to_null · 2011-11-21 05:24:44 12
Limit bandwidth usage by any program

Trickle is a voluntary, cooperative bandwidth shaper. it works entirely in userland and is very easy to use. The most simple application is to limit the bandwidth usage of programs.
This is sample output - yours may be different.
7

trickle -d 60 wget http://very.big/file

point_to_null · 2010-03-29 06:55:30 5
Every Nth line position # (AWK)

A better way to show the file lines 3n + 1
This is sample output - yours may be different.
4

awk 'NR%3==1' file

point_to_null · 2010-01-08 18:52:24 9
A fun thing to do with ram is actually open it up and take a peek. This command will show you all the string (plain text) values in ram

cat? dd? RTFM
This is sample output - yours may be different.
27

sudo strings /dev/mem

point_to_null · 2009-08-09 02:07:26 12
Remove newlines from output

?Cat and grep? You can use only grep ("grep \. filename"). Better option is awk.
This is sample output - yours may be different.
1

awk /./ filename

point_to_null · 2009-08-09 02:04:46 4
Brute force discover

Show the number of failed tries of login per account. If the user does not exist it is marked with *. Show Sample Output
This is sample output - yours may be different.
```
$ sudo zcat /var/log/auth.log.*.gz | awk '/Failed password/&&!/for invalid user/{a[$9]++}/Failed password for invalid user/{a["*" $11]++}END{for (i in a) printf "%6s\t%s\n", a[i], i|"sort -n"}'
    33  *abc
    35  *upload
    36  *sales
    39  *center
    40  *web
    43  *fax
    43  *public
    48  *asterisk
    48  *office
    48  *temp
    53  *test
    59  *admin
    65  *info
    69  *postgres
    74  *oracle
   541  root
```
24

sudo zcat /var/log/auth.log.*.gz | awk '/Failed password/&&!/for invalid user/{a[$9]++}/Failed password for invalid user/{a["*" $11]++}END{for (i in a) printf "%6s\t%s\n", a[i], i|"sort -n"}'

point_to_null · 2009-03-21 06:41:59 14

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Decrypt exported android wallet keys for import into desktop client (LTC,FTC,BTC)

Create a new file

list files recursively by size

When was your OS installed?

Show time and date when you installed your OS.

list block devices

Shows all block devices in a tree with descruptions of what they are.

Look for English words in /dev/urandom

* to get the English dictionary: wget http://www.mavi1.org/web_security/wordlists/webster-dictionary.txt

copy partition table from /dev/sda to /dev/sdb

Socksify any program to avoid restrictive firwalls

Require: - tsocks (deb pkg) - A working SOCKS proxy. It's easy with ssh: $ ssh -N -D localhost:1080 your.home.pc -p 443 - tsocks configuration in your /etc/tsocks.conf (for the previous): server = 127.0.0.1 server_port = 1080

list files recursively by size

display a smiling smiley if the command succeeded and a sad smiley if the command failed

you could save the code between if and fi to a shell script named smiley.sh with the first argument as and then do a smiley.sh to see if the command succeeded. a bit needless but who cares ;)

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