I have, say, a dozen files, and I want to grep for a string of text within them. I don't remember the exact syntax, but let me give it a shot and show you an idea here...
find . -type f -exec grep thisword {} \;
...and there's a way to put more than one grep into the statement, so it will tell... (1 Reply)
I have a file that is 20 - 80+ MB in size that is a certain type of log file.
It logs one of our processes and this process is multi-threaded. Therefore the log file is kind of a mess. Here's an example:
The logfile looks like: "DATE TIME - THREAD ID - Details", and a new file is created... (4 Replies)
Hello,
I'm writing a script that will automate the launch of some services on my AIX machine. However, some services are dependent on the successful startup of others. When I start these services manually, I usually just check a log file until I see a message that confirms a successful... (3 Replies)
This script is supposed to find out if tomcat is running or not.
#!/bin/sh
if netstat -a | grep `grep ${1}: /tomcat/bases | awk -F: '{print $3}'` > /dev/null
then
echo Tomcat for $1 running
else
echo Tomcat for $1 NOT running
fi
the /tomcat/bases is a file that... (2 Replies)
Hi,
I have a text file with data in that I wish to extract, assign to a variable and process through a loop.
Kind of the process that I am after:
1: Grep the text file for the values.
Currently using:
cat /root/test.txt | grep TESTING= | awk -F"=" '{ a = $2 } {print a}' | sort -u
... (0 Replies)
Hi,
I tried to grep ".sh_history" (DOTsh_history) file and did not return anything though I found the word in .sh _history file through vi editor in Linux. Then I tried to grep ".profile" to check if it is the prob with hidden files and I got results.
Then I verified the same with my friend... (4 Replies)
Hi,
I have a loop running until a variable L that is read previously in the full script. I'd like to grep some information in an input file at a line that contains the value of the loop parameter $i.
I've tried to use grep, but the problem is nothing is written in the FILE files. It seems grep... (5 Replies)
Hi Guys,
I'm trying to write an script that will be launched by a user. The script will look at a log file and check for alerts with the date (supplied by user) and a machine's hostname (also supplied by the user). I'm trying to get the output formatted just like the log file.
The logfile looks... (5 Replies)
Hi all,
Am writing a ksh script where I am looking for processes that has gone defunct and all of which has the same PPID
PID is the variable that I need to match as this is the process ID of the processes that has gone defunct
Am just curious how come the following DOES NOT work?
ps... (6 Replies)
If I am running a bash command, and some awk getting the ethernet adapter on the local machine. It works fine. But if I will run it from the remote, it is EMPTY on echo and throwing error in grep.
Thank you
This work perfectly fine
$ f=`/sbin/ip a|grep 127.127 | awk '{print $NF }' ` ; ip... (2 Replies)
Discussion started by: kenshinhimura
2 Replies
LEARN ABOUT DEBIAN
logtop
LOGTOP(1) General Commands Manual LOGTOP(1)NAME
logtop - Realtime log line rate analyser
SYNOPSIS
logtop [OPTIONS]
DESCRIPTION
logtop is a System Administrator tool analyzing line rate on stdin.
It reads on stdin and print a constantly updated result
displaying, in columns:
Line number, count, frequency, and the actual line.
$ tail -f FILE | logtop
is the friendly version of:
$ watch 'tail FILE | sort | uniq -c | sort -gr'
OPTIONS -s, --size=K
Only keep K lines in memory, instead of 10000.
-q, --quiet
Do not display a live view of the data, only display a top at exit.
-l, --line-by-line=K
Print result line by line, in a machine friendly format, K is the number of result to print per line.
Line by line format is : [%d %f %s ]*
%d : Number of occurences
%f : Frequency of apparition
%s : String (Control chars replaced by dots.
-i, --interval=K
Interval between graphical updates, in seconds. Defaults to 1.
-h, --help
Show summary of options.
-v, --version
Show version of program.
EXAMPLES
Here are some logtop usage examples.
tail -f cache.log | grep -o "HIT|MISS" | logtop
Realtime hit / miss ratio on some caching software log file.
tail -f access.log | cut -d' ' -f1 | logtop -s 10000
Realtime most querying IPs on your server, as long as log lines in access.log starts with the client IP.
tail -f access.log | cut -d' ' -f7 | logtop -s 10000
Realtime most requested web pages in a NCSA like log file.
cat auth.log | grep -v "CRON" | grep -o ": .*" | logtop -q -s 100000
Display a one-shot simple analyse of your auth.log.
SEE ALSO watch(1)AUTHOR
logtop was written by Julien Palard.
This manual page was written by Julien Palard <julien@palard.fr>, for the Debian project (and may be used by others).
April 16, 2011 LOGTOP(1)