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Discy Latest Articles

AWK command for all purpose

This is for tab-delimited CSV file where we have added header and filter the data like for 24th column should have 1000 value and 20th column should have less than value 2 and instead of column 1 displaying different data ...

Grep the load average with top

#!/bin/sh VAR1=$(uptime | awk -F’ *,? *’ ‘{print $(NF-2)}’ | awk ‘$1 >= 10 {print $1}’) if [ $VAR1 ] then top -b -n 1 | head -20 > /script/topresult/`date +’%d-%m-%Y_%H-%M-%S’`__file.txt fi

How to enable realtime voice messages in Asterisk?

Introduction This is blog is to introduce realtime voice messages in your existing Asterisk setup. The main benefits of using realtime voice messages is as following: Easy management of voice messages and voicemail greetings from centralized location i.e. database. If ...

How to install wireshark in Linux

Step1. Install Wireshark yum install wireshark-gnome -y   Step2. Run Wireshark by below command tshark -a duration:86400 -b filesize:20480 -f “udp port 5060” -w /`date +%F–%T`.pcap