Using MicroTik switches and ro…

Posted on September 1, 2012 by richard

Using MicroTik switches and routers? Andrew of #NetPres can provide assistance & more for you. Email sales <at> networkpresence.com.au

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Need help virtualizing legacy or physical systems?

Posted on August 31, 2012 by richard

You can get a significant Internet hosting speed increase if you take the filesystems of (say) an old, legacy physical server that may be in-house or in your own datacentre and virtualise it on our high-performance VPS Plans and our redundant high-speed network connections in Sydney or in the US.

Many organisations can’t make this leap because they need help in “getting over the line” and often that help can be deeply technical, in deploying the right VPS infrastructure for the legacy system to run as a VPS.

It’s there that we can help, in that we offer “SysAdmin as a Service” and are willing to spend time online, on the phone or in-person if req’d, to assist with migrating these legacy or old servers to run as VPS. We’ve done this many times, and we know what may be needed to tweak the VPS environment and many (specifically Linux or Unix based) legacy systems themselves to run as a VPS.

Quite often this virtualising of legacy servers can be done with no change to the kernel or applications running on those legacy systems, just the data (filesystems) needs to be moved & we customise the VPS environment and settings to suit the needs of the then-virtualised legacy server, allowing you to get the advantages of our faster CPUs, disks and network, while keeping your legacy or older applications or servers running “as they were”.

Please feel free to contact us to discuss this capability further if you’re interested, regards,

Richard.

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Oracle have now released a pat…

Posted on August 30, 2012 by richard

Oracle have now released a patch to fix the recent Java Browser Vulnerability. Upgrade is highly recommended. http://t.co/tiiHl9Gm

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We provide your IT teams with …

Posted on August 28, 2012 by richard

We provide your IT teams with agility, workload liberation & management services to get your cloud & hosting business needs done. #NetPres

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Interested in hosting open-sou…

Posted on August 27, 2012 by richard

Interested in hosting open-source Moodle for online learning systems? We’ve got a Managed VPS Plan for you http://t.co/Fpl9zRrO #NetPres

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Short Scheduled Outage tomorro…

Posted on August 27, 2012 by richard

Short Scheduled Outage tomorrow afternoon (BGP failover will occur). RT @netpresops Reminder of our once-in-4yrs Sydney Router Upgrade..

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Weekly Tweets for 2012-08-26

Posted on August 26, 2012 by richard

Powered by Twitter Tools

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At an Australian Uni or within…

Posted on August 25, 2012 by richard

At an Australian Uni or within CSIRO & need Compute Resources? We peer to AARNet across the country. http://t.co/41oRyevK #NetPres

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Secret Sauce for faster VPS disk activity

Posted on August 23, 2012 by richard

As we posted over 2 years ago, there’s a number of ways to speed up the general operations of a Linux (or Unix/Solaris/FreeBSD) system and one which we use & recommend a lot is to mount filesystems with the “noatime” and “nodiratime” flags.

noatime means that the kernel doesn’t do an additional write to the filesystem & disk everytime that you ask it to read a file and nodiratime stops the kernel doing a write to the disk when a directory is accessed. atime is “access time” and it can record the last time that a file was opened or read and using it means that you need to write to the disk every time you read anything from it. This can introduce what is often needless disk write activity to your system and given disk writes always take longer than disk reads, you end up greatly increasing the disk load & thus system latency of any VPS which doesn’t mount its filesytems with “noatime,nodiratime”.

You can mount your filesystems automatically (from reboot) with this option by setting the filesystem mount option of ‘noatime,nodiratime’ in the 4th parameter of each filesystem’s entry in the /etc/fstab file. eg: set that parameter to “defaults,noatime,nodiratime”.

Please feel free to contact us for assistance if you’d like help actioning this suggestion.

FYI & regards,
Richard.

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We use Equinix & agree re:…

Posted on August 22, 2012 by richard

We use Equinix & agree re: #NBN RT @DBCDEgov: In the news, data centre Director says NBN can boost regional business http://t.co/UQBGdTs5

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