Chris, Author at Level 7 Systems

All posts by Chris

Symfony 1.0 PHP 5.5 patches

If some of you is still using Symfony 1.x (like we do for most of our web applications) but perhaps is migrating to Symfony 2 (like we do) and would like to run both Symfony 1 and Symfony 2 on … Continue reading Symfony 1.0 PHP 5.5 patches →

stunnel 5.02 X-Forwarded-For patch

If some of you use excellent stunnel along with haproxy for HTTP(s) load balancing you might have been looking for the X-Forwarded-For patch for the recent version 5.02 of stunnel. Since we use the same set up on our platform … Continue reading stunnel 5.02 X-Forwarded-For patch →

Level 7 Systems migrates it’s website to WordPress

Business and residential communication experts look for a new website Goal: Build multi language WordPress website based on Fruitful theme Today we’re happy to unveil our new website. Level 7 teamed up with Fruitful code to create a comfortable tool … Continue reading Level 7 Systems migrates it’s website to WordPress →

DELL PowerEdge T110 II and PCIe video card

We often use inexpensive DELL PowerEdge T110 II servers as workstations. This however requires installation of PCIe graphics card as on-board chip is not capable of driving bigger screens in multi-head set ups. Unfortunately one of recently purchased machines ignored … Continue reading DELL PowerEdge T110 II and PCIe video card →

Linode review

We use Xen VPS servers for most of our infrastructure in the UK and US. If you are looking for a reliable UK based Xen VPS look no further and go straight to http://www.xtrahost.co.uk – for the last 24 months … Continue reading Linode review →

Windows VoIP and Networking tools

In our work we very often use various VoIP and Network diagnostic tools. All of the natively work and are easily available on Linux platform. Unfortunately when investigating SIP and/or network related problem on customer’s network we are often limited … Continue reading Windows VoIP and Networking tools →

OpenSIPs memory check in Nagios

We use OpenSIPs as a core component of our SIP network and it is critical it runs and is healthy at all times. Important factor which might impact OpenSIPs operation is it’s memory usage. No matter how much RAM is … Continue reading OpenSIPs memory check in Nagios →

PowerDNS-GUI

PowerDNS (with MySQL backend) is our favourite Domain Name Server. Unfortunately we couldn’t find any nice GUI interface, that would aid administering domain records stored in database tables. Therefore we decided to create one… It is released under the terms … Continue reading PowerDNS-GUI →

How to add Live Support Chat to the osCommerce shop?

In this tutorial we will show how to add Live Support Chat to the osCommerce based online shop. It is a great way to improve your visitors confidence while shopping online, as they can ask questions in a real time … Continue reading How to add Live Support Chat to the osCommerce shop? →