I am running Ubuntu Linux. I am in need to print filenames & line numbers containing more than 7 columns. There are several hundred thousand files. I am able to print the number of columns per file using awk. However…
I'm discovering the language Perl. I try to create a script to integrate inside my Nagios server, but i got two errors that I'm not able to resolve. Can you help me? The errors are the following: Use of uninitialized…
I'm trying to cut certain virtual host from file which has a lot of them using bash. Eg. in my script I would like to get virtual host which uses the_one_known2.example.com, but another time the_one_known3.example.com, namely I would like to…
nginx access.log. It is delimited by 1) white space 2) [ ] and 3) double quotes. ::1 - - [12/Oct/2021:15:26:25 +0530] "GET / HTTP/1.1" 200 1717 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36" ::1 - -…
How to find ip and referer which contains facebook/instagram/twitter/etc using awk or others possible commands, to get this: 1.2.3.4 https://l.instagram.com/ 4.3.2.1 https://facebook.com/ Nginx log file has standart format: 1.2.3.4 - - [02/Oct/2021:06:07:08 +0300 - -] 200 "GET /index.php HTTP/2.0" 6620…
I'm wondering if it is possible to count unique IPs by minute on a specific day (Apache access.log) on Ubuntu. I already found this useful request which gives the requests per day/minute. But I unfortunatly dont make it to count…
On a CentOS 7.2 I have a file called cpuload, which contains the latest CPU load data in the following format: last 30 sec: average load: 0 cpu0 total load: 0 cpu1 total load: 0 cpu2 total load: 0 cpu3…
I have a text file with the following pattern written to it: TIME[32.468ms] -(3)-............."TEXT I WANT TO KEEP" I would like to discard the first part of each line containing TIME[32.468ms] -(3)-............. To test the regular expression I've tried the…
Consider using the following program that filters hex number in the range 0x10 - 0xa0. echo -e "0x10n0xffn0x16n0x80n0x50" | awk '$1 >= 0x10 && $1 <= 0xa0 { print $0 }' The program works fine, if I replace all numbers…
I try to get the hits on an access_log by hour, but inside I have some lines that I want to ignore (css/js/etc...) If I run: grep "31/Mar" access_log | cut -d[ -f2 | cut -d] -f1 | awk -F:…