Tag: Dynamic Host Configuration Protocol

Aug 15

How to: Configure Dynamic DNS Service on the Unifi Security Gateway via config.gateway.json

How to: Configure Dynamic DNS Service on the Unifi Security Gateway via config.gateway.json Thankfully the latest versions of Ubiquiti’s Unifi Controller allow the user to configure dynamic DNS services via the Web UI. However, there are cases when you rather keep the configuration on the config.gateway.json file. In my case the main motivation to use …

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Dec 14

Recommendations when Deploying Ubuntu VMs in Windows Azure

Recommendations when Deploying Ubuntu VMs in Windows Azure Below are a few recommendations to keep in mind when deploying Ubuntu VMs in Windows Azure. From networking to deploying applications and collecting metrics. With no further due here they are: Networking When using your own DNS servers make sure Azure’s DHCP doesn’t interfere: How to: Enable …

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Dec 13

How to: Enable proper domain DNS search in Ubuntu when using Windows Azure

How to: Enable proper domain DNS search in Ubuntu when using Windows Azure So as part of the latest using your own DNS server with Linux machines inside Windows Azure I had a bit of a problem. Even though my corporate DNS server was set up correctly, DNS entries were correct, etc. Ubuntu would just …

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Dec 13

How to: Enable dynamic DNS updates to a Microsoft DNS Server using an Ubuntu client workstation

How to: Enable dynamic DNS updates to a Microsoft DNS Server using an Ubuntu client workstation To my surprise it seems that the beauty of Windows being able to dynamically update corporate DNS servers is something that only exists on Windows client machines (at least since 2000 I guess). Apparently if you are using an …

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Dec 13

Make your DHCP server dynamically update your DNS records on Ubuntu

Make your DHCP server dynamically update your DNS records on Ubuntu (Obtained as is from: http://lani78.wordpress.com/2008/08/12/dhcp-server-update-dns-records/) The steps in this post shows how to configure the DHCP server to automatically update the DNS records when giving out a new lease to a client computer. Before continuing These steps assumes that you already have a working …

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Dec 03

Microsoft’s DHCP Failover

Microsoft‘s DHCP Failover One of the new cool features in Windows Server is DHCP Failover. Think of it as a way to replicate your DHCP across two servers in order to provide failover or load balancing a DHCP Service. DHCP failover in Windows Server® 2012 is a new feature that enables two Microsoft DHCP servers to …

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Dec 03

How to: Delete a DHCP Failover relationship when the partner server is unreachable

How to: Delete a DHCP Failover relationship when the partner server is unreachable One of the latest issues I’ve come across is removing a DHCP Failover relationship. In a previous article I referenced a new Windows Server feature (Error while adding a second DHCP Server) which is DHCP Failover. This is a pretty cool feature …

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Nov 28

Error 0x800f0922 while adding DHCP role on Windows Server

Error 0x800f0922 while adding DHCP role on Windows Server If you are installing the DHCP server role on a Windows Server machine you might get the following 0x800f0922 error message: Feature Installation The request to add or remove features on the specified server failed. Installation of one or more roles, role services, or features failed. …

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