Monthly Archives: June 2012

HP Server Updates for Linux

HP is now providing an online repository for Linux updates of HP ProLiant systems software: RAID Array Configuration Utility (ACU), etc. This is known as the “Software Delivery Repository” (SDR) and is documented at http://downloads.linux.hp.com/SDR/ To get the Red Hat Enterprise Linux … Continue reading

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SSDP Problems

Microsoft is interested in retiring the NetBios protocols in favor of more modern local network technologies. One of these new alternatives is their network UPnP (universal plug-n-play) which relies on the new SSDP (simple service discovery protocol) to advertise or … Continue reading

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Fibre Channel Notes

We have an old 2GFC SAN storage array (EMC) and needed to buy an HBA to connect a new server. The HBA’s from our vendor were listed as 4GFC, so I had to check on backward compatibility. Thanks to wikipedia, … Continue reading

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Disabling IPv6 in Windows 7

I’m having some strange problems with Windows 7 creating tunneling interfaces for IPv6 over IPv4 (visible via “ipconfig /all”). Now that DNS servers are returning AAAA (ipv6) DNS records, it seems that Windows 7 is trying to use IPv6 over … Continue reading

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SQL Server Advanced Restore

If a database is “in use” during attempted restore, you will get an error like the following: Msg 3101, Level 16, State 1, Line 1 Exclusive access could not be obtained because the database is in use. Msg 3013, Level … Continue reading

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Public NTP Servers by IP

Some network device vendors (think “Cisco”) recommend configuration without DNS lookup abilities. This improves the performance of the device and removes any reliance on DNS services by your router, firewall, switch, etc. The absence of DNS lookup abilities can add … Continue reading

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Linux Support for Windows Dynamic Disks

[* See ldmtool update at bottom of this article *] Linux is a great tool for low-level disk work on Windows systems. Booting from a live distribution like Knoppix allows access to powerful tools for partition and file-system resizing like … Continue reading

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From RHEL 5.3 to CentOS 5.8

The number one security task in IT: patch your systems and keep them up to date! Thanks to the help of Gavin, I was able to update an old lab RHEL system from 5.3 to supported CentOS 5.8. The steps … Continue reading

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