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LAC Frequent Questions & Answers

Tue May 6 09:44:03 MDT 2008

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Software Options and Configuration

Which GNU/Linux distribution should I choose?

It depends on your experience and on what your intentions are for your new system. All distributions can be made to behave essentially the same, for they all use the same kernel (Linux) and much of the same software (e.g. GNU programs, X.org, etc.). Differences between distributions appear in such places as installation method, general system configuration (configuration programs and location of configuration files), and software installation and software package management.

For customers new to the GNU/Linux operating system, we recommend Ubuntu, Debian, or gNewSense, all with which we offer a system restore procedure that puts ones system back in the fully-functional state it was in when delivered, with little or no user intervention. Debian-based systems can be difficult to initially install and configure, but we take care of that, and we fully support our Debian-based systems. All three distributions offer easy software installation using the APT package management system and have significantly many more packages available than most non-Debian based distributions.

If you want a computer running 100% free software, we suggest shopping at laclinux.com/gnu. All computers purchased through laclinux.com/gnu are shipped with 100% free software, pre-installed with a completely free GNU/Linux distribution such as gNewSense.

We urge you to contact LAC to discuss this question if you are undecided.

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Will you install more than one GNU/Linux distribution in my computer?

Yes. There is no installation fee for the first distribution in any system. For each additional distribution, we charge a $50.00 installation fee (i.e. installing 2 distributions is $50, installing 3 distributions is $100, etc.).

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Will X windows work when I get my new computer?

Yes. Unless instructed otherwise, every machine runs in graphical mode by default. Logins on the Linux side of your computer are managed by either GDM by default. You can choose from a variety of popular window managers at the login screen. For desktop systems and servers, we will configure X to use your new mouse or your mouse if you don't buy one with your new computer, and for the monitor you intend to use. For laptop systems, we will configure X to use the built-in pointing device(s) (touchpad and/or TrackPoint) and an optional USB mouse, and for the native resolution of your laptop's LCD panel. If you prefer a plain text login, just let us know after you place your order.

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How will you configure the video adapters in my multi-head GNU/Linux system?

That's entirely up to you. We typically configure for a graphical boot using the primary head of the PCI Express video card, putting additional, documented xorg.conf files in place (in /etc/X11) that one can use for various multi-headed video modes. Options vary from a single large desktop spanning all heads to a different desktop on each head with the ability to run a different window manager on each head. Read our HOWTO for an introduction to multi-head X.org, with examples for implementing this in your system.

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What partition scheme will you use for the hard drive(s) in my new computer?

We will partition your hard drives however you want. Upon receiving your order, we will review the hardware and operating choices in your system and make a recommendation for your approval or modification. If you let us know how you intend to use your new LAC system in your response to our initial configuration approval request (sent by e-mail), we will work with you to determine an optimal partition scheme. For flexibility, data protection, and often enhanced performance, we install and fully support software and hardware RAID and LVM upon request.

For a single disk, multi-user, standalone system, we typically recommend a multi-partition scheme like:

/      2 gigs
/usr   10 gigs
/var   2 gigs
swap   1 gig
/home  the rest
	 
For a single disk, single user, standalone system, we typically recommend a simple partition scheme like:
/      10 gigs
swap   1 gig
/home  the rest
         
Having a separate /home partition is a good idea for a few reasons, primarily so one can format the system partitions at a later time (e.g. for replacing or reinstalling the operating system) while leaving personal, non-OS data intact (data in /home).

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What file system will you use in my new computer?

We use Ext3 by default, and we recommend using Ext3 in most of our systems. At your request, we will build your machine using a different journaled file system such as ReiserFS, XFS, or JFS with any GNU/Linux distribution. If you prefer a file system other than Ext3, let us know. The best time to make this request is when responding to the configuration approval request e-mail that we send after receiving your order.

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I want to use my new computer as a Web server. Will you install Apache? If so, how much extra will this cost?

Yes, and we currently do not charge for this service (Apache is a standard package in every common GNU/Linux distribution). The more specific you are about what you need your machine to do when you get it, the closer it will be to a state allowing you to simply plug it in, turn it on, and get to work immediately upon receipt. Again, if you want a piece of software installed and configured, just send e-mail to us and ask.

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I want to use my new computer as a file server. Will you install and configure Samba so it will run in my network ``out of the box''? If so, how much extra will this cost?

Yes, and we currently do not charge for this service (Samba is a standard package in every common GNU/Linux distribution). To ease integration of your new LAC file server into your network, we will ask specific questions early in the system build process, the answers to which we will need in order to configure Samba for your environment.

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Hardware Options and Compatibility

Do you offer rackmount systems?

Yes. Visit our server page. If our server options do not meet your needs or if you have any questions, contact us, and we will quote a custom solution for you.

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Can I get RAID or LVM?

Yes. Let us know that you are interested in using RAID and/or LVM. If you want to determine whether RAID or LVM will be useful for you, let us know, and we will work with you to investigate whether or not you will benefit from a RAID or LVM configuration. We offer hardware RAID using 3ware or Areca SATA RAID controllers. Software RAID and LVM is also available in every GNU/Linux box using free, native GNU/Linux software. At this time, we do not offer software RAID cards (e.g. RAID cards by Promise and HighPoint). All RAID system ship with RAID array monitoring enabled, so you will be notified in the event of a RAID status change. We offer hot swap hardware for maximum uptime.

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Are the recordable IDE optical devices you offer (CD-RW, DVD-R[W], DVD+R[W]) Linux compatible?

Yes. Every piece of hardware we offer has been selected with Linux compatibility in mind. We also install appropriate recording software (e.g. cdrecord, dvd+rw-tools, and various GUIs (e.g. k3b) in every GNU/Linux box with a recordable CD or DVD device. One can find instructions for using various recordable optical devices in our HOWTOs page.

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I want a [part] in my machine, which is not an option on any of your system configuration pages. Do you offer machines with [part]?

Usually, yes. Just let us know what you want, and we will determine if a Linux-compatible [part] exists and is available through our supply chain. If so, we will promptly send a detailed price quotation for you to review.

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Do you sell hardware?

Integrated into systems, yes; by itself, no. However, if you ask, we will recommend reputable PC component vendors with reasonable prices that do business with end users.

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LAC Methods and Packaging

Click for details about the LAC system build process.

When will my new computer ship?

Our systems generally ship anywhere from 5 to 15 business days depending on the system type and amount of customization. When you place your order, you will receive a link to a page at which you can review your configuration requests, check your order status, and see the estimated shipping date.

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What software and documentation will I get with my new computer?

You will get LAC Restore media for restoring the GNU/Linux installation (installations in the case of multiple pre-installed distributions), you will get an LAC configs CD containing configuration files that we modified for your hardware, and you will get a Getting Started guide prepared by LAC that is particular to your system. You can e-mail support@laclinux.com to request additional documentation and software, such has hardware documentation prepared by the hardware manufacturers (e.g. motherboard manual), MS Windows drivers, and GNU/Linux distributions.

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What tool do you use to partition the hard drive(s), and what partition scheme do you use?

We always use the Linux program fdisk or sfdisk to partition a new hard drive - even for making DOS FAT32 partitions or HPFS/NTFS partitions. The scheme we use depends entirely upon how large the hard drive is, what OS(s) we are installing, how you intend to use the machine, and of course your preferences. After reviewing the hardware in your order, we will make a recommendation allowing for smooth upgrades in the future (keeping your personal files and non-OS software in place).

If you are running a MS Win/Linux dual boot system, we recommend never running MS-DOS fdisk on your hard drive. MS-DOS fdisk is extremely limited in functionality; besides being only able to create DOS partitions, it only allows one primary DOS partition and one extended DOS partition containing up to 3 logical DOS partitions. If one runs MS-DOS fdisk on a hard drive which contains Linux native partitions, it will frequently render the Linux partitions useless if it is allowed to write to your hard drive.

We use Linux fdisk exclusively, which can create up to 4 primary partitions including an extended partition (all of various types), and the extended partition can contain many logical "drives" (partitions), and they can be a large variety of types (numerous DOS types - FAT16, FAT32, FAT32 (LBA), NTFS are some examples). Linux fdisk is easy to use and has been very reliable for us. E-mail LAC support if you want to know more.

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Post-sale Software Questions

In spite of the fact that I have [huge number] megs of RAM, free reports that 90% is used, and my box is idle. Do I have a problem with my system?

No, this is good and normal. Large blocks of memory are held on to for disk write buffering, and applications remain cached, for example. This is given up to new applications when needed. Add buffers and cached to free and get a more accurate estimate of memory that is "free". Typically, "free" memory (as told by free) is wasted memory.

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