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Full Discussion: Make netstat human readable?
Top Forums UNIX for Dummies Questions & Answers Make netstat human readable? Post 302501677 by MrEddy on Friday 4th of March 2011 03:28:43 PM
Old 03-04-2011
DOH! god how could I miss something that stupid???? do you know how long I stared at that and didn't see that????

---------- Post updated at 10:09 AM ---------- Previous update was at 08:39 AM ----------

Ok so my final command looks like this and I'm really liking it. Lets me set how much load I want to watch for and then changes the output color to red anytime it is a heavier load than what I set it for.

Code:
echo "How many Megs" ; read gload ; gload2=`echo $gload | awk '{print $1*1024*1024/8}'` ; netstat -i 1 1 | awk '{ if($3 < '$gload2' ) {print "\033[1;0m" $3/1024/1024*8, $6/1024/1024*8} else {print "\033[1;31m" $3/1024/1024*8, $6/1024/1024*8}}'

The last minor thing that I can't seem to get rid of is the stupid 0's that show up. Since its doing math and every 20 or so lines it prints the column heads again.... errs errs coll etc.. I can't seem to get those to not show up. So i'll get these kind of results.

Code:
45.4351 45.513
47.8142 47.8741
50.3284 50.3137
51.098 51.1384
0 0
0 0
50.4882 50.5795
43.9978 43.9685
43.9704 44.1034
44.715 45.1511

Only slightly annoying but ideally i'd like to get those zero's to not show up.

---------- Post updated at 10:26 AM ---------- Previous update was at 10:09 AM ----------

I've tried doing a simple grep -v errs yet for some reason that breaks the whole command and i'm not certain why.

---------- Post updated at 01:44 PM ---------- Previous update was at 10:26 AM ----------

HA! got rid of the stupid zero's by adding

/[1-9]/

to my awk statement. That way if the line only has zero's it wont print.

---------- Post updated at 01:53 PM ---------- Previous update was at 01:44 PM ----------

Is there any way to get awk to append a timestamp to an output line?

My command is coming along smashingly however if I leave this running for long periods of time unattended its going to spew out tons of data and with no time stamp if the box goes over the load I'll have no idea when that actually occurred and therefor no time frame to investigate.

---------- Post updated at 02:18 PM ---------- Previous update was at 01:53 PM ----------

added
Code:
 ; x="'"`date +%T`"'"; print  x

---------- Post updated at 03:28 PM ---------- Previous update was at 02:18 PM ----------

Well I jumped the gun on my timestamp. It puts the timestamp in there but its not current. Its only the time when I started the command, it doesn't refresh.
 

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LEARN ABOUT PLAN9

truncate

TRUNCATE(1)							   User Commands						       TRUNCATE(1)

NAME

       truncate - shrink or extend the size of a file to the specified size

SYNOPSIS

       truncate OPTION... FILE...

DESCRIPTION

       Shrink or extend the size of each FILE to the specified size

       A FILE argument that does not exist is created.

       If  a  FILE  is	larger than the specified size, the extra data is lost.  If a FILE is shorter, it is extended and the extended part (hole)
       reads as zero bytes.

       Mandatory arguments to long options are mandatory for short options too.

       -c, --no-create
	      do not create any files

       -o, --io-blocks
	      treat SIZE as number of IO blocks instead of bytes

       -r, --reference=RFILE
	      base size on RFILE

       -s, --size=SIZE
	      set or adjust the file size by SIZE bytes

       --help display this help and exit

       --version
	      output version information and exit

       The SIZE argument is an integer and optional unit (example: 10K is 10*1024).  Units are K,M,G,T,P,E,Z,Y (powers of 1024) or KB,MB,... (pow-
       ers of 1000).

       SIZE  may also be prefixed by one of the following modifying characters: '+' extend by, '-' reduce by, '<' at most, '>' at least, '/' round
       down to multiple of, '%' round up to multiple of.

AUTHOR

       Written by Padraig Brady.

REPORTING BUGS

       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report truncate translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       dd(1), truncate(2), ftruncate(2)

       Full documentation at: <http://www.gnu.org/software/coreutils/truncate>
       or available locally via: info '(coreutils) truncate invocation'

GNU coreutils 8.28						   January 2018 						       TRUNCATE(1)
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