Category Archives: Linux

All tidbits related to Linux

Installing new disks and preparing to use in Linux Software RAID

A Linux Software RAID (using mdadm) creates a new virtual media on top of which we create partitions  and format partitions (ext3/4, FAT32 etc…).    Here we describe how to initialize the underlying disk(s) to be ready for inclusion / addition … Continue reading

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Simple outgoing email on Ubuntu Server using sSMTP

Many of us have some sort of Linux/Ubuntu server running some sort of service.   When all is running smoothly all is good.  But there are times when the server would want to notify you of some warning or serious problem … Continue reading

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Setting up Samba server on Ubuntu

This is a quick instruction on how to install Samba (CIFS / windows share) on a Ubuntu system.   This basic setup works on Ubuntu 8.x to 11.04 and presumably subsequent versions. The information in this post is mostly extracted from … Continue reading

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Configuring Ethernet Jumbo Frames on Ubuntu

Ethernet jumbo frames are reported to speed up transfer of large files.    From my online research,  Ethernet Jumbo frames increase the payload from the standard 1500  bytes to up to 9000.   The the idea behind it is to minimize the … Continue reading

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Setting up a static IP address on ubuntu

When you install a new Ubuntu release on your system, it sets things up to using DHCP by default.   It’s a handy default that will work for most people but if you intend on running this particular machine as a … Continue reading

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Building a Fast, Energy Efficient NAS box – Part 6

Part 6 – Choosing the right case for your NAS The sixth installment in our NAS building project we will review potential  choices for a case.   The case selection is dependent on the type and size of NAS you want … Continue reading

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Building a Fast, Energy Efficient NAS box – Part 5

Part 5 – PSU Selection In this installment of our NAS building project we learn how to choose the right PSU for the job.    We see how to estimate the power needs for an Atom based NAS box, the … Continue reading

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Building a Fast, Energy Efficient NAS box – Part 4

Part 4 – Motherboard Selection In this fourth post of the “Building a Fast, Energy Efficient NAS box”,  we build on our chipset evaluation/selection (see Part-2),  and review available motherboards (as of March 2010) for potential use in our NAS … Continue reading

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Building a Fast, Energy Efficient NAS box – Part 3

Part 3 – Finding a disk expansion module A key element of our new NAS project is to find a disk expansion module with the following design requirements:  linked via eSATA and using an internal SATA multiplier chip.   We … Continue reading

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Building a Fast, Energy Efficient NAS box – Part 2

Part 2 – Chipset Selection For my first NAS box, I just went with what I knew.  I had built a Linux desktop based on a core2 duo Asus mobo and I just got the same hardware for my NAS … Continue reading

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