Thanks David!!
On 2021-07-21 19:26, David Schwartz via PLUG-discuss wrote:
> If this is just for learning, do you want or need it to run 24/7/365?
> If not, you can shut it off when you don’t need it if you’re
> concerned about power.
The goal is for it to run 24/7 serving up one of my domains.
>
> Note that a lot of old PCs have power supplies where the fans run all
> the time. They can end up consuming quite a bit of power.
>
> You might consider a 2012-vintage Mac Mini. It already has Unix
> built-in and everything you need to run as a server.
>
> They’re between $150 and $250 on eBay and sometimes as low as $100.
>
> FWIW, thru most of the 90’s I had a little box I ran as a dedicated
> server at a co-lo facility in town.
>
> It was a mini-ITX with a 600 MHz x86 clone chip, 256 MB of RAM, a 20GB
> HDD, and 10MB ethernet. I ran Debian on it. After the third HDD died,
> I moved to a reseller-type WHM/cPanel hosting account that was a LOT
> cheaper per month. (My current one is less than $20/mo.)
>
> (The co-lo facility’s biggest monthly expense was their A/C bill.)
>
I have too much old hardware. I was going to use an old Dell i3...
however I am thinking of using one of my old laptops.
Both have their merits.
The laptop has a build in monitor... however I do not need the monitor
once the O/S is installed. I then use SSH.
I'm thinking the Dell mini tower has a faster bus and memory. And it has
8GB of RAM vs 4GB of RAM on the Laptop. I'm guessing the faster bus and
RAM will make a difference.
They both have 2 cores and 4 threads.
Both CPUs benchmark the same and they have the exact same SSD.
I'm thinking the mini tower is better. I do not think I will ever use
8GB of RAM on a home web server.
Given what everyone is saying, the amount of power used is somewhat
dependent on demand. Low demand = low power usage.
> The Raspberry Pi Zero W costs $10, and has these features:
>
> • 1GHz, single-core CPU
>
> • 512MB RAM
>
> • 802.11 b/g/n wireless LAN
>
> • Bluetooth 4.1
>
> • Bluetooth Low Energy (BLE)
>
> • Mini HDMI and USB On-The-Go ports
>
> • Micro USB power
>
> • HAT-compatible 40-pin header
>
> • Composite video and reset headers
>
> • CSI camera connector
>
> It consumes 120-170 mA (but can source over 1A to USB), so can run off
> of a USB battery pack if needed.
>
> This puppy has more power and features than that mini-ITX machine I
> had!
>
> It comes with a ready-to-run Linux on an SD card and fits into a box
> about the size of a pack of cigarettes. No fan is needed AFAIK.
>
> You can plug nearly any size storage you want into the USB port,
> although the SD card can be used for additional storage.
I would like to try a Raspberry Pi ... maybe a future project.
>
> -David Schwartz
>
>> On Jul 21, 2021, at 6:50 PM, Keith Smith via PLUG-discuss
>> <plug-discuss@lists.phxlinux.org> wrote:
>>
>> Hi Eric,
>>
>> I assume you live in the valley? And you use a master cool
>> evaporative cooler... Off topic question - Does your master cool,
>> cool your house reasonably in the summer and more so during the
>> monsoons?
>>
>> On 2021-07-21 15:50, Eric Oyen via PLUG-discuss wrote:
>> Back when I ran a home server on my Athlon X2 with 1500 W supply,
>> the
>> machine never drew that much. Even with several disks spinning, 8
>> VMWare instances going and a few other goodies, that machine never
>> drew more than 600w at maximum. I kept it live 24/7 for a few years
>> and it added less than $120 yearly to the electrical bill. These
>> days,
>> that machine is out of service and is only good for parts. My Mac
>> mini, which draws at most 100 W under full load is on 24/7 and I
>> don’t
>> even see it add that much to the electrical bill here. There are
>> really only 3 high draw appliances in this house now:
>> 1. The refrigerator
>> 2. The stove/oven
>> 3. The master cool evaporative cooler. Everything else either runs
>> on
>> wall warts or only gets used occasionally. In fact, we spend less
>> than
>> $150 a month here for electric. Now, if I put that Athlon X2 back
>> into
>> service, we might see $10 a month in extra use. I am still
>> contemplating putting it back up and using it as my go to linux
>> development machine.
>> -Eric
>> From the Central Offices of the Technomage Guild, Utilities Dept.
>> On Jul 21, 2021, at 7:33 AM, Keith Smith via PLUG-discuss
>> <plug-discuss@lists.phxlinux.org> wrote:
>> Hi,
>> I just read this quote about the electrical costs to run a web
>> server from home:
>> Cost: While it may sound cheaper to use that computer lying around
>> doing nothing when creating your web server, when you factor in the
>> cost of powering an old computer 24 hours a day, it can get very
>> expensive. A 250W desktop computer running 24 hours per day at 12
>> cents per KW/h is a whopping $262.00 per year!
>> ---
>> I think their math is wrong.
>> The average residential electricity rate in Chandler is 10.85¢/kWh.
>> I'm thinking a low traffic PHP web server running on an old Dell
>> with a 400 watt power supply is not using but maybe 100 watts on
>> average. I've read that the computer should use no more than half
>> the power supply capacity. Is this correct?
>> If my home web server is using 100 watts an hour that mean 100 watts
>> * 30 days * 24 hours or 72K watts.
>> I'm thinking 72 * .1085 = $7.81 a month.
>> Any thoughts are much appreciated.
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