I thought i would share with you what i use as my home voip system, i have no big requirements for my telephone system just to be able to dial out, get calls in and if im not at home for calls to be routed to my mobile or voicemail and emailed to me. My…
Open Source Network Attached Storage with FreeNAS…
The FreeNAS distribution is tailor-made for installation in a small office environment. It is an extremely low-resource network storage system that you can administer through a Web browser, but it supports high-end features like automatic backups, replication, LDAP or Active Directory authentication, and seamless file-sharing over NFS, CIFS, AFP, and even FTP and TFTP. The latest release…
Making a Low cost, high power router/Firewall with m0n0wall…
Every penny counts when you’re deploying networks on a minimal budget. And since I usually use a gateway running m0n0wall running on an SBC (single board computer) like those produced by Soekris or PCEngines WRAP, that £80-170 is a significant chunk of the total network price. So for cost reasons, and to be honest also for the fun of it, I’m exploring using…
Asterisk firewall and some useful tips….
So you have just installed asterisk on a linux system, and maybe you have also installed FreePBX to administer it, good for you. Firewalls.. Below i have listed a nice firewall script for use on a fresh centos+Asterisk installation. service iptables restart iptables -P INPUT ACCEPT iptables -F iptables -A INPUT -i lo -j ACCEPT…
Keeping your traffic safe in public places with SSH Tunneling…
Using OpenSSH on a Linux/Unix system you can tunnel all of the traffic from your local box to a remote box that you have an account on. For example I tunnel all of my outbound E-mail traffic back to my personal server to avoid having to change SMTP servers, use SMTP-AUTH, etc. when I am behind…
Are you a “Hacker”…? If so check out Nottinghack…..
What is a hacker… Contra to popular belief the word “Hacker” does not implicitly mean someone who sits there trying to gain access to a computer system. A “Hacker” is someone that spends vast amounts of time devoted to one particular task or project, this task or project could be gaining access to a computer system or just…
DrayTek v3300 LAN High Availability (CARP)…
For the last few years I have been dealing with the Draytek v3300 and wanted to just do a brief write up on the LAN Fail Over abilities of this great device. The Draytek v3300’s High Availabily features enable the LAN to always access the internet and if you have proper external fail over, Internet…
802.1Q VLAN Tagging in Ubuntu…
To make use of IEEE 802.1Q VLAN tagging capabilities in Ubuntu you must first install the user mode programs for Virtual LAN support: sudo apt-get install vlan Next the 8021q kernel module must be loaded to enable VLAN support on a kernel level: sudo modprobe 8021q A quick review of lsmod will ensure the kernel module was loaded: lsmod…
Clustering with CentOS 5.5 and “luci”….
Ok, so i deal a lot with clustering of servers or “Nodes” and i will briefly show a really simple cluster which only has a shared or “Highly available” IP address in the case of one of the Nodes failing the shared IP address will still be up and pingable if you where to combine this…
Installing VirtualBox Guest Additions on CentOS 5.5…..
At the moment i keep being asked on my youtube channel how to install Guest Additions in CentOS 5.5…. so i thought i would put this quick tutorial together. In your CentOS Terminal, do a “su” and then follow the steps : 1. Attach the Gues Additions ISO to your CentOS 5.5 X86 VM 2….