Tagged With wos1

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Keeping systems patched is one of the most basic security protections available. However, ongoing scanning of web hosts in Australia and New Zealand suggests that many servers are not being regularly updated or using basic security mechanisms.

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Databases underlie most other applications, so it's no surprise that database-as-a-service options are becoming more common. But if you're thinking of rolling out databases in a cloud environment or consuming them as a service, there are some important caveats to bear in mind.

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We've known for decades that the available pool of IPv4 address was eventually going to dry up, but despite numerous warnings usage of its successor IPv6 is still minimal. Why haven't we migrated yet? Geoff Huston, chief scientist for regional internet registry APNIC, suggests that the answer is that carriers are too cheap to make the switch and are happy to rely on network address translation (NAT) systems instead.

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In the cloud computing era, effectively managing servers and systems is more important than ever. Follow these basic principles to ensure that your workplace systems run smoothly (and advance your own career in the process).

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If you are already running servers in a virtualised environment, then shifting into a cloud environment might seem like a relatively trivial step. However, there are some simple principles worth remembering to ensure the process happens with minimal hassle and that you can justify the costs involved.

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IP is now the de facto standard for any kind of networking — so much so that many sites blindly implement it without any understanding of what went before. However, even if your business is running happily on IPv4 and you have a migration plan for IPv6 in place, understanding the history of how we arrived at using those standards can help you manage your own network better.

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Simple Network Management Protocol (SNMP) is one of those standards that is implemented almost everywhere but ignored by almost everybody. While there are more sophisticated methods available for monitoring and managing network performance, SNMP survives partly because it remains the main option supported in many pieces of specialised networking hardware.

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If you want to train large groups of students on how to use and deploy networking equipment, you'll need to rapidly redeploy fresh system images as each new class comes in. That sounds like an obvious case for using virtualisation, but there are some traps to be aware of before pumping out those virtual machine images.

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After almost seven years in development, Samba 4.0 was officially released in late 2012, adding Active Directory domain controller features to the popular interoperable file server solution. So what happens now?

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Choice of hypervisor is often presented in terms of a religious war, with a dominant faith (VMware) constantly doing battle with a range of rivals (Hyper-V, XenServer, Oracle and others). Yet the reality is more complex: many organisations will run more than one hypervisor simultaneously.