Tag: sysadmin

OpenStack: Fix “Missing” External IPs in Neutron

Have you ever assigned a “floating” IP on your external network to an OpenStack VM…but not been able to ping it? Read our article for info on how we workaround the problem!

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Auto-Harden ESXi 5.x Hosts

To run an ESXi 5.x host in a secure network requires the system to be compliant to all Information Assurance (IA) requirements. This article describes in detail how an automated hardening process was created to meet Defense Information Systems Agency

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Symantec AntiVirus Auto-Protect & LiveUpdate on Linux CentOS

Symantec AntiVirus on Linux is a fragile and unforgiving beast – especially the problematic LiveUpdate client which is not correctly documented for install / config. Read on for information on my process for installing Symantec AV including Auto-Protect on my

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Solve “Unidentified Network Error” for Windows Server 2008

Anytime a non-routable network connection (any IPv4 network adapter that does *not* have a default gateway specified) is configured for a Windows Server 2008 server, the operating system will mark that network connection as an “Unidentified Network”. The downside? Windows

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Update JRE and Firefox on Windows Servers – Improved

Click here to download “3rd-Party Updates” now! Found great link at Use a batch file and group policy to cleanly update Java but my use case was different: lots of machines are not in domain (eck), I don’t want to

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