Damian

Case Study – Server Replacement and Upgrade

We were recently approached by a solicitors, based in Staines, Middlesex. They asked us to perform a full review of the network, and make suggestions on how to improve the existing setup. The Problem The customer was worried the server was out of date, and was running slowly. They had to reboot the server frequently

Automatically Delete Call Recordings in FreePBX

A simple script to delete call recordings. Note that this has been designed to work hand-in-hand with our other script, that coverts the recordings to MP3 to save space: FreePBX – convert WAV call recordings to MP3 You can easily modify the script to delete call recordings that are in WAV format, or for different periods

Case Study – Router Upgrade – from 8Mbps to 200Mbps

We were approached by a client in central London to help with their internet connection. Although they had upgraded to Virgin Media’s 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 became apparent. They were using a Netgear FVS318v3 –

Windows 10 – Don’t Miss Out!

Microsoft has confirmed that Windows 10’s free upgrade offer will expire on July 29, 2016. After that, you’ll have to pay £100 to upgrade on any computer that hasn’t already made the leap. We know not everyone wants to upgrade to Windows 10 right now, and that’s fine. But did you know that Windows 7

Script to add swap file to CentOS

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

FreePBX – convert WAV call recordings to MP3 v2

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 correct downloads through the web

Monitoring Asterisk With Observium

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 = root server = /usr/bin/observium_agent/asterisk # Don’t be too

Get an A+ rating with Vesta on SSL Labs

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 an indication as to where the SSL rating is low,

Case Study – Office Move

Over the otherwise quiet Christmas period, we completed an office move for a design company, from their offices in Brixton to new offices in Clapham. Office moves are a great oppurtunity to make changes to the way a network is setup – almost starting from a blank slate at the new offices. The new offices

Case Study – Network Upgrade and Tidy

We recently completed a network upgrade and tidy for a training company in South London. The problem points: Poor performance of the internet router – often crashed Poor wireless signal No VPN access, or unstable VPN access Messy network cabinet, making diagnosis of faults difficult. After visiting site, we found this: Even though the customer