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Virtualization
Upgrade firmware Equallogic multiple member group
I put together just a few notes after going through a recent project of an upgrade firmware Equallogic multiple member group. Essentially the process is the same as upgrading a single member, except that you need to pay a bit…
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Software
Remote Desktop Connection Manager Replacement
I don’t typically write up a lot of posts about admin software unless I find something that I feel is truly worthy of letting others know about. As many of you do, I use a lot of different utilities day…
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home lab
Windows cannot be installed to this disk 4K drives
With the recent SuperMicro server build, I am utilizing Seagate ST8000NM0065 drives. High density 4K drives are starting to come of age, however, there are still a few tricks required to get OS’es installed to boot from 4K. Starting with Windows…
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home lab
Mount Virtual Media SuperMicro IPMI
In the previous post here, I walked through the SuperMicro IPMI management interface and a few of the options that are available to administrators there for management of their SuperMicro server. One of the more interesting options in the IPMI…
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home lab
Supermicro IPMI management walkthrough
If you are utilizing Supermicro in your lab environment, there is a great feature that comes with Supermicro boards that allows BMC IPMI management of the server. It is basically an out of band management of the server much like…
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Security
Add Cloudflare IPs Amazon EC2 Security Group
If you are utilizing Cloudflare as your DNS/CDN provider for your website and you are utilizing an Amazon EC2 instance as your host, let’s take a quick look at the topic – how to add cloudflare ips amazon EC2 security Group.…
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Networking
TCP Auto-tuning slow network performance
Starting with Windows Vista, there were improvements made to the network stack including a little known feature called TCP Window Auto-tuning. The auto-tuning feature allows newer versions of Windows to be able to adjust the RWIN value automatically on the…
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Networking
Design Considerations LACP LAG
Link Aggregation Groups are multiple connections between two switches that allow the switch to aggregate links/bandwidth between them. LAG’s are typically dumb in themselves without using Link Aggregation Control Protocol, LACP, on top. In fact, for instance, a (4) link…
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Security
Windows 2012 R2 NPS log files location configuration
After a bit of frustration working on a project recently with a Windows 2012 R2 NPS RADIUS server, I had a bit of a refresher on Windows 2012 R2 NPS log files location configuration, administration and what I have experienced…
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Networking
Cisco VIRL 1.1.1 Upgrade
Well after running Cisco VIRL for a while it has definitely grown on me and with each release it gets better. I have been meaning to upgrade to the latest version that was announced/released just a few days ago –…
