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utlemming

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Member since 1/16/2008

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PXE Booting NFS or iSCSI Roots for a Diskless Environment

utlemming

April 1, 2009 7:14 am

Reads:3633

Comments:3

Ever wondered how to boot a server with NFS as root? Or how to implement iSCSI as root with out having a iSCSI initiator card? This AppNote discusses and shows you how to implement a PXE Boot server to boot NFS and iSCSI on root installations.

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Implementing MPIO over iSCSI: Considerations, Common Issues and Clustering Concerns

utlemming

November 7, 2008 12:12 pm

Reads:1842

Comments:3

Interested in implementing MPIO over iSCSI and then building a cluster on it? Well, this feature article explores some of the concerns and some recommendations to build a solid, stable MPIO over iSCSI solution, especially if implementing OCFS2 and NCS.

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IPSEC: Implementing Server-to-Server Encryption of TCP/IP Connections

utlemming

September 12, 2008 1:40 pm

Reads:1398

Comments:0

Under a variety of circumstances, it is desirable to encrypt data between multiple computers. One of the beauties of open source is that there is a multiplicity of answers. Unfortunately, with those answers comes some confusion. Often times, people overlook some solutions, and one of those solutions is the use of IPSEC transport mode for server to server communications.

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stunnel: Securing the Insecure with SSL and Creating SSL Tunnels

utlemming

September 5, 2008 4:32 pm

Reads:9625

Comments:3

Just about every system administrator comes across a time when there is a need to encrypt some service. Perhaps your mail program just can’t handle it. Or maybe you need to take a non-SSL aware VNC server and make it SSL-aware. Maybe you’re just paranoid. For such moments in system administrating there is “stunnel.”

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SLES 10 SP2 networking under Xen, troubleshooting and recommendations

utlemming

June 27, 2008 4:32 pm

Reads:240

Comments:1

Under SLES 10 SP2, the networking components changed. With those changes there are questions about best practices, methods and how it works. This AppNote seeks to provide a little clarity, including a simplified Xen bridge recommendation.

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Xen Network Bridges Explained with Troubleshooting Notes

utlemming

March 21, 2008 2:14 pm

Reads:3452

Comments:1

Xen network bridges can be complex and overwhelm the newcomer to Xen. This article addresses the design of Xen network bridges from a troubleshooter’s approach. This guide seeks to explain the cause and fix of several common problems including implementing the network-multinet script.

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network-wrapper

utlemming

March 13, 2008 10:44 am

Reads:125

Comments:0

Network-wrapper is a script that runs before the network init script. It allows the name of an ethernet device to be changed based on MAC addresses.

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Implementing boot.crypter for USB token/password authentication of encrypted hard drives and swap space

utlemming

January 25, 2008 5:08 pm

Reads:644

Comments:0

In some cases, physical security cannot always be secured. Using LUKS for disk encryption and the tool, boot.crypter, you can safely and securely encrypt data using USB tokens or a password.

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boot.crypter

utlemming

January 17, 2008 4:59 pm

Reads:108

Comments:0

Provides the ability to automatically mount encrypted partitions and swap space using either USB key token or password setup.

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