Category Archives: Network Presence

Bedding down Backups

Posted on June 15, 2011 by richard

We’ve started in the last couple of months distributing the (currently) weekly backups of customer VPS/VDS disk/storage devices to large scale (4TB+) data stores on our network in Sydney and Canberra. This has given us a far better backups and … Continue reading →

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Using the Unix command ‘sed’ with URLs

Posted on June 14, 2011 by richard

I’m an “old school” Unix user, who grew up on sed, awk & Sendmail, but many people still use sed & its syntax from the Unix or Linux command-line daily, so this is a quick note on how to use … Continue reading →

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Installing SpamAssassin & ClamAV with Amavisd-milter on Sendmail on CentOS 5

Posted on June 12, 2011 by richard

I’ve previously described the install & setup process for spamass-milter on Sendmail for Anti-Spam processing. This blog post describes a different interface to Sendmail for Anti-Spam & Anti-Virus (AS/AV), using the Amavis daemon (amavisd-new) along with the Milter interface for … Continue reading →

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Installing ClamAV & SpamAssassin to CentOS 5 with Sendmail

Posted on June 12, 2011 by richard

Installing these Mail Server open-source software sets to CentOS 5 with Sendmail on a 64-bit CentOS 5.4 (or higher) Linux host. 1. Install RPMForge Repo to get access to more Software Packages for CentOS5 Install (using rpm -Uvh) http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm 2. … Continue reading →

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N+1 Routers & route mesh in Sydney

Posted on June 12, 2011 by richard

We’ve completed an important phase of upgrading our connectivity in Sydney, which now has 3 live / production links to the Internet in Sydney, as well as a ‘back-channel’ link. The crucial part here is that we’ve now enabled the … Continue reading →

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Upgrading your VPS from Debian 5 to Debian 6

Posted on June 7, 2011 by richard

Recently there’s been released an upgraded version of the popular Debian GNU/Linux distribution, from Debian version 5 to version 6, otherwise known of Debian “Lenny” to “Squeeze”. The following is a step-by-step guide for Network Presence customers on upgrading their … Continue reading →

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Installing Squirrelmail to CentOS

Posted on June 5, 2011 by richard

Squirrelmail is a simple PHP based Webmail capability that’s very easy to install on CentOS Linux. Installing Squirrelmail is as easy as running the following command as root on your CentOS system: yum -y install squirrelmail Because Squirrelmail is included … Continue reading →

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Get 20%+ more RAM on our Canberra VPS Hosting

Posted on June 3, 2011 by richard

For the next few weeks we’re deploying customer VPS in Canberra, on our new Canbarran hardware, which includes fast RAID6 disk arrays, as well as lots of fast RAM & CPU, meaning that Canberra is our “high end computing” POP. … Continue reading →

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Sydney Full, but Canberran VPS Screamers online!

Posted on June 3, 2011 by richard

We’ve filled our Sydney VPS Hosting resources after a month of solid orders, which is fantastic for Network Presence & we’ve overflowed into our new Canberran POP to keep provisioning “Big Data” VPS connected to Australia’s best networks. Canberra is … Continue reading →

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Using parted on > 2TB drives to create new partitions for LVM

Posted on June 3, 2011 by richard

On your Linux based hardware with “large” disks (>> 2TB drives to Linux) you may want to use the GNU ‘parted’ disk partition utility to create storage that’s available to the kernel & LVM. As root run ‘parted /dev/sdX’ where … Continue reading →

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