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We were approached by a client in central London to help with their internet connection. Although they had upgraded to Virgin Media 200MB/s DOCSIS3 service from a standard ADSL connection, they were still getting poor broadband speeds.

Old Hardware

As soon as we visited the site, the problem b...

On the Asterisk server, ensure xinetd is installed

yum -y install xinetd service xinetd start

Create an Observium agent for xinetd

nano /etc/xinetd.d/observium\_agent

Add this to the file

service app-asterisk
{
type = UNLISTED
port = 36602
socket_type = stream
protocol = tcp
wait = no
user...

A quick copy/paste to enable a 4GB swap file on Centos 6/7:

sudo fallocate -l 4G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
echo "/swapfile swap swap sw 0 0" >> /etc/fstab

An updated version of our script to bulk convert wav call recordings to mp3 as mentioned here.

This version may be redistributed freely, as long as the copyright message remains.

#!/bin/bash
# A Script to Convert FreePBX call recordings from WAV to MP3
# Also updates the CDR database, for corr...

We've recently been testing sites with the Qualys SSL Server Test here: https://www.ssllabs.com/ssltest/index.html

By default, the SSL settings on Vesta are good - but it's not possible to get an A+ rating without making some changes to the nginx configuration files.

Although SSL Labs do give a...