10 More Discussions You Might Find Interesting
1. Homework & Coursework Questions
First month learning about the Linux terminal and it has been a challenge yet fun so far. We're learning by using a gameshell. I'm trying to display a certain line ( only allowed 1 command ) from a file only using the head or tail. I'm pretty about this answer:
head -23 history.txt | tail -1... (1 Reply)
Discussion started by: forzatekk
1 Replies
2. UNIX for Beginners Questions & Answers
Hi Team,
Can anyone help me here:
I have to access server logs via putty and these logs file is a trailing file (continously updating) with ERROR and WARNINGS... I need to know if I can pull this trailing file to a local drive so that I can do some higlighting on some keywords through Notepad... (13 Replies)
Discussion started by: jitensetia
13 Replies
3. Shell Programming and Scripting
Hello,
I am trying to create an iptables script with tail ,sed and awk.
1st Request: Search keyword "secret" in access.log file
2nd Request: Get first column matching lines (ip address)
3rd Request: Save it to a file
This is what I did so far:
grep.sh
#!/bin/bash
while true;
do
tail... (23 Replies)
Discussion started by: baris35
23 Replies
4. Shell Programming and Scripting
Hi,
I want to read a live log file line by line and considering those line which are newly added to file
Below code I am using, which read line but as soon as it read new line from log file its starts processing from very first line of file.
tail -F /logs/COMMON-ERROR.log | while read... (11 Replies)
Discussion started by: ketanraut
11 Replies
5. Shell Programming and Scripting
Hello Guys,
I have created function which is as follow:
tail -f filename |grep "Key word"
output from this command
19-11-2011 21:09:15,234 - INFO Numbement - error number:result = :11
19-11-2011 21:09:15,286 - INFO Numbement - error number:result = :11
19-11-2011 21:09:15,523 - INFO... (5 Replies)
Discussion started by: ooilinlove
5 Replies
6. Shell Programming and Scripting
Hi ,
1)i want to display specific line number using tail command.
e.g. display 10 line from end.
Please help...
2)Want to display line 10 to 15 (from end)using tail command) (2 Replies)
Discussion started by: vivek1489
2 Replies
7. UNIX for Dummies Questions & Answers
Hi,
Just wonder if there is any quick way to display line number when monitoring a log file with tail -f? (4 Replies)
Discussion started by: iengca
4 Replies
8. Shell Programming and Scripting
I am new to UNIX......I have one file which contains thousnads of records with header and tailer.
Header
Record 1
Record 2
....
....
Last Record
Trailer
I want to concatenate Header and Trailer in the first line....now the output should look like this:
Header: Header value, Trailer:... (2 Replies)
Discussion started by: 33junaid
2 Replies
9. Shell Programming and Scripting
I was wondering how can I do this
I have file myfile.txt
wc -l is: 5 000 000
I have to remove first 1 000 000 lines from header..
I tryed with tail -4000000 myfile.txt>newfile.txt
but it does not work...
any help?? (2 Replies)
Discussion started by: amon
2 Replies
10. Shell Programming and Scripting
Hi ,
I have found a interesting thing about tail command:
when I tried to use 'tail -1 *' to look at every file with the current derectory, I only got one line of result of one file.
But if I use 'head -1 *', I would get multiple lines.
Is there a way to do get multiple lines with 'tail -1 *'... (3 Replies)
Discussion started by: whatisthis
3 Replies