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Tutorial

Walkthroughs, Technical Guides, DIY Tips and Labs

34 posts in collection

Oracle

Getting Started with Oracle Database

As a systems administrator and part-time developer I find myself touching and playing around with many technologies including databases. However, one particular flavour has always seemed to elude my understanding until lately and

6 min read
VMware

Disaster Recovery with VMware Site Recovery Manager (SRM)

No matter how resilient the infrastructure, disasters will happen! They are an inevitable feature of life and any Systems Administrator worth their salt will be prepared to deal with them whatever the root

6 min read
Internet

How to Mute Noisy Browser Tabs

Have you ever experienced being suddenly disturbed by jarring sound from some ad or music in a background tab - I know I have! Worst still, you can't identify which tab

3 min read
Google

Using the Google Chromecast behind a VPN

VPN [https://en.wikipedia.org/wiki/Virtual_private_network] services are essential tools that are not only adept at helping us to protect our privacy on the internet but are also effective at

8 min read
Red Hat Enterprise Linux

How To Create a Linux Cluster in Red Hat/Centos 7

During the OS upgrade cycle to version 7 the team over at Red Hat made some changes under the hood that affected not only the basic packages but also how clustering is done

3 min read
Tutorial

Installing Security Certificates on Apache httpd

Following on from our initial tutorial [https://nneko.branche.online/tag/tutorial] where we demonstrated how to use OpenSSL [https://nneko.branche.online/secure-the-connection-installing-certificates-on-3-common-web-servers/] to make a private/public key pair and create

3 min read
Openssl

Securing the Connection: Creating a Security Certificate with OpenSSL

Today we will be taking a look back at OpenSSL [https://nneko.branche.online/key-based-encryption-using-openssl/]. In this the first episode of our web security series we have a tutorial that will walk you

3 min read
Fujitsu

VIOM Takes Virtualization to the I/O Level

VIOM (Virtual-IO Manager) [http://www.fujitsu.com/fts/products/computing/servers/primergy/management/primergy-blade-server-io-virtualization.html] or VAUM as I like to pronounce it is Fujitsu [http://www.fujitsu.com]'s IO virtualization

4 min read
Electricity

The Single & Three Phase Power Delta

Most people have no idea what a Power Phase is or what the differences are between the Single and Three Phase Power supplies and distribution systems that utilize them. This ignorance is quite

2 min read
Tutorial

When Being Wrong Beats Being Right

A great video demonstrating that we can learn more by being wrong as it doesn't always pay to be right from the get go.

1 min read
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