Commands by unixmonkey7109

Commands by unixmonkey7109 (11)

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Return IP Address
This is sample output - yours may be different.
0

ifconfig -a| awk 'BEGIN{FS="[ :]+"} /Bcast/{print $4}'

unixmonkey7109 · 2009-12-05 00:18:24 0
generate random password

no need that useless cat.
This is sample output - yours may be different.
-2

tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 10 | sed 1q

unixmonkey7109 · 2009-12-01 11:14:16 1
last.fm rss parser

you can just use one awk script to parse the rss feed. No need to pipe so many awk's and sed's. Its ugly and inefficient.
This is sample output - yours may be different.
2

awk '/<link>/{gsub(/.*<link>|<\/link>.*/,"");print "<li><a href=\042"$0"\042> "t"</a>" } /<title>/{gsub(/.*<title>|<\/title>.*/,"");t=$0 }' file

unixmonkey7109 · 2009-11-28 15:49:06 0
Match a URL

don't have to be that complicated
This is sample output - yours may be different.
-1

cho "(Something like http://foo.com/blah_blah)" | awk '{for(i=1;i<=NF;i++){if($i~/^(http|ftp):\/\//)print $i}}'

unixmonkey7109 · 2009-11-28 03:31:41 1
List files that DO NOT match a pattern

no need to use grep.
This is sample output - yours may be different.
-3

ls *[^p][^a][^t]* ; # or shopt -s extglob; ls !(*pattern*)

unixmonkey7109 · 2009-11-25 01:19:02 2
Sorted list of established destination connections

no need grep. its redundant when awk is present.
This is sample output - yours may be different.
3

netstat | awk '/EST/{print $5}' | sort

unixmonkey7109 · 2009-11-24 14:32:12 0
Find in all files in the current directory, just a find shorthand

if its the current directory, no need find command. just grep will do
This is sample output - yours may be different.
0

grep -H -n "pattern" *

unixmonkey7109 · 2009-11-24 08:48:38 0
Find all dot files and directories
This is sample output - yours may be different.
6

echo .*

unixmonkey7109 · 2009-11-21 04:07:28 2
remove files and directories with acces time older than a given date

touch a dummy file with the specified date, then use find with -anewer .
This is sample output - yours may be different.
2

touch -t "YYYYMMDDhhmm.ss" dummy ; find . -anewer dummy

unixmonkey7109 · 2009-11-21 04:05:45 1
Show sorted list of files with sizes more than 1MB in the current dir

GNU find + sort
This is sample output - yours may be different.
0

find . -maxdepth 1 -type f -size +1M -printf "%f:%s\n" | sort -t":" -k2

unixmonkey7109 · 2009-11-21 03:47:39 0
Short Information about loaded kernel modules
This is sample output - yours may be different.
4

awk '{print $1}' "/proc/modules" | xargs modinfo | awk '/^(filename|desc|depends)/'

unixmonkey7109 · 2009-11-20 13:06:25 0

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Print line immediately before a matching regex.

Use this if you don't have access to GNU grep's -B option.

floating point operations in shell scripts

allows you to use floating point operations in shell scripts

convert single digit to double digits

each number in a file name gets expanded to the number of digets provided as arg_1 of the arguments in rjust_file_nums. Put the funciton in the .bashrc file. Be sure to $ source ~/.bashrc so that the function will be accessible from bash.

Backup trought SSH

Extract a remote tarball in the current directory without having to save it locally

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)

Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

Compare a remote file with a local file

Get MX records for a domain

Get memory total from /proc/meminfo in Gigs

Advanced python tracing

Trace python statement execution and syscalls invoked during that simultaneously

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