Category Archives: Network Presence

Ending commercial hosting services through Network Presence

Posted on January 25, 2026 by richard

After some 15 years of operation, I’ve decided to shutdown the publicretail cloud/VPS operations side of Network Presence. The first phase of this is to quickly shutdown the Sydney POP, with thelast day of service from Network Presence in Sydney … Continue reading →

Posted in Sales | Comments Off on Ending commercial hosting services through Network Presence

Installing OpenMPI across CentOS/RHEL 9 based Nodes

Posted on December 16, 2025 by richard

OpenMPI is available for install from the AppStream Repo and EPEL Repo is also best enabled for its required associated packages in a CentOS 9 (RHEL) environment of separate like installed compute nodes in a cluster. Install OpenMPI with: dnf … Continue reading →

Posted in Sales | Tagged | Comments Off on Installing OpenMPI across CentOS/RHEL 9 based Nodes

Get all the logs and output from a systemctl based service

Posted on December 4, 2025 by richard

Use the following command to get the full output from a recent service start attempt: SYSTEMD_LESS=”FRXMK” journalctl -xeu $SERVICENAME eg: # SYSTEMD_LESS=”FRXMK” journalctl -xeu httpd

Posted in Sales | Comments Off on Get all the logs and output from a systemctl based service

tcpdump params to find the initial connection packets to a port

Posted on November 21, 2025 by richard

‘tcp[tcpflags] & (tcp-syn) != 0 and tcp[tcpflags] & (tcp-ack) == 0 and dst port $PORTNUM’

Posted in Sales | Comments Off on tcpdump params to find the initial connection packets to a port

Upgrading Adelaide POP – Adding new VPS Hypervisors in Adelaide

Posted on November 15, 2025 by richard

We’re bringing online new VPS hosting servers (hypervisors) in our Adelaide POP, and moving some existing Adelaide POP customers to these new servers, with short outages for each customer VPS as these migrations occur. This is possible after we’ve integrated … Continue reading →

Posted in Sales | Comments Off on Upgrading Adelaide POP – Adding new VPS Hypervisors in Adelaide

Sydney Data Centre increases in costs by 5% every year

Posted on November 3, 2025 by richard

Once again, like clockwork, it’s the season for multi-national companies to be raising their billing rates to Australians. This time its our Sydney Data Centre, Equinix, increasing their costs to us by 5% from January, as is their contracted right … Continue reading →

Posted in Sales | Comments Off on Sydney Data Centre increases in costs by 5% every year

Installing Slurm across a multi-node cluster

Posted on October 16, 2025 by richard

In this example Slurm cluster we have 3 nodes, node1, node2 and node3 node1 is on IP 10.0.0.1, node2 is on 10.0.0.2 and node3 is on 10.0.0.3 A critical pre-req is that your /etc/hosts or DNS forward and reverse hostname … Continue reading →

Posted in Sales | Tagged | Comments Off on Installing Slurm across a multi-node cluster

Installing GPFS

Posted on September 14, 2025 by richard

Redhat’s GPFS distributed file system is used in many HPC environments and is now known as IBM Storage Scale. It is not open-source software and can be downloaded from IBM’s sites. There is a Developer version which can be downloaded … Continue reading →

Posted in Sales | Tagged | Comments Off on Installing GPFS

Install Claude command line

Posted on August 16, 2025 by richard

Reimage your VPS with our Ubuntu 24.04 template. Login to your VPS as root and run: apt update && apt upgrade Then install nodejs & npm with: apt install nodejs npm Now you can install claude-code with: npm install -g … Continue reading →

Posted in Sales | Comments Off on Install Claude command line

CentOS Vault

Posted on August 15, 2025 by richard

Here’s the site where the old CentOS Linux Distros archive their final repositories. http://archive.kernel.org/centos-vault/

Posted in Sales | Comments Off on CentOS Vault