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Quoted: Quoted: You know, my 2811 is loud as shit, and it never occurred to me to just remove the top and kill the fan. I'm seriously thinking about this now... Thanks for the quote - without it I might not have noticed how badly my last edit maimed the description. Leave enough room for convection cooling and make sure you don't let out too much EMI. (why I put them under a metal shelf) I considered using some metal screening, but this was easier for me. As luck would have it, I have a full metal shelf I could put a few inches up. Any idea how hot is too hot? The room stays at around 68 in the winter, and gets as high as 80 in the summer. Also, I've never actually had to deal with a router overheating. If I get syslog messages bitching about dead fans, I just replace them. Suppose it did overheat, though - think it'll just lock up? Shut itself down? Other? The motherfucker wasn't cheap, so I do get a bit nervous about it. But the noise...I can't take it anymore and I don't have any other practical place in the house to put it.
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I'll bet that actually makes a clicking sound when changing channels. |
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Follow-up question: How much electricity are you guys spending on all this equipment, both directly and through AC costs?
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Follow-up question: How much electricity are you guys spending on all this equipment, both directly and through AC costs? this is why i am very happy with 25W worth of computing infrastructure... atom-based server. 5 port GigE switch. verizon-supplied FIOS-connected Wifi router. ar-jedi |
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Quoted: Follow-up question: How much electricity are you guys spending on all this equipment, both directly and through AC costs? I'd rather not calculate it. |
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Follow-up question: How much electricity are you guys spending on all this equipment, both directly and through AC costs? I'd rather not calculate it. Yep. |
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Follow-up question: How much electricity are you guys spending on all this equipment, both directly and through AC costs? this is why i am very happy with 25W worth of computing infrastructure... atom-based server. 5 port GigE switch. verizon-supplied FIOS-connected Wifi router. ar-jedi Assuming 25w on 24 hours/day for 30 days straight –– 18kWh. Our latest electric rate is $0.092896/kWh. This would cost me $1.67/month to run (not calculating the negligible heat load). Once something starts getting above 100w-200w of continuous 24/7 usage, the difference on your electric bill can be noticeable. Running with the same numbers, a 200w continuous load would run me just over $13/month. On the other hand, keeping the AC or heat a few degrees warmer or cooler in the appropriate season would likely offset the power consumption from a decent sized home network/server setup. |
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I have a few things... This was after I got everything racked; http://www.ar15.com/media/viewFile.html?i=37047 This is working at the table and testing out getting everything under management and generally playing; http://www.ar15.com/media/viewFile.html?i=37048 You must be single... I'm married and have abit more than that(9 computers and 5 XBOX machines) in my house. . It looks like your standard Central Office here. |
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25W. that's my home server/network power consumption. my inbound email comes straight here, my web content is served up from here, and my home automation system runs on the same box. if i wanted more compute power or more network bandwidth i would get it on the cheap from one of 87 providers thereof, e.g. Amazon EC2. All that for 25 watts? Winning. look at the problem in two dimensions... network throughput: any Atom-based box (even single core) can saturate 100Mb/s ethernet, and the WAN side of your network is a fraction of 100Mb/s –– e.g. my FIOS is 25/25. so in no case is the server going to be struggling to keep up on the WAN side. no amount of email or web *network* traffic is going to cause a problem. depending on what you are doing on the LAN side, the Atom may or may not be suitable. for me, if my nightly PC/laptop backups take 20 minutes longer than a faster machine, it's no big deal. if you are running an enterprise, it's a big deal. compute power: home/SOHO server needs are characterized by bursty/peaky compute loads for few clients. incoming email that needs to be scanned for spam and viruses, or web traffic that relies on PHP/mysql backends, etc. anyway, on my current Ubuntu 10.04 LTS box i have - postfix sending/receiving to maildirs - spamassassin scanning inbound for spam - clamav scanning inbound for viruses - dovecot offering via IMAP - imapproxyd keeping IMAP connections alive www - apache with the usual cruft - gallery2 offering images (about 25K pics right now) (note: gallery2 is PHP/mysql beckended) - squirrelmail offering email to web clients via https: other - samba for network shares - backuppc for network backup - sshd for remote login (including scp sftp; no anon ftp here) - arpwatch to let me know if anyone has "joined" the wireless network - hddtemp to monitor drive temperatures - cacti and rrdtool to graph a whole bunch of stuff - monit to babysit processes (mainly my home-built home automation setup) home automation - motion (linux package) for a couple of cameras. - DIY temperature/contact/process sensor network. i know how often the furnace, A/C, well pump, etc run. i know the temperature outside, and at multiple locations inside. i know what time the sun comes up and goes back down each day, low voltage lights come on automagically, and can be manually overridden. the state of the doors on our detached garage and detached workshop are visible via the web. everything is logged. ps: the other HUGE advantage to using low power infrastructure is the hold-up time during a utility outage. a modest capacity UPS results in 24 or more hours of continuous operation. ar-jedi
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Assuming 25w on 24 hours/day for 30 days straight –– 18kWh. Our latest electric rate is $0.092896/kWh. This would cost me $1.67/month to run (not calculating the negligible heat load). exactly –– and once you get above $5/month or so you will be better off going with a hosting provider. you'll get more bandwidth and compute power for less money. ar-jedi |
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Wow, that is some pretty impressive stuff.
As for a hosting provider decision being based off of money –– personally I would rather spend a bit extra in electricity (and gear) and being 100% physically in control of my own systems. That, plus the geek factor of just having more toys to mess around with. And let's be honest here: most of this stuff is just that...toys. |
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Jan 30 10:22:11 wopr logger: envsys - loops: 4130324 (0.98/sec); actions: 26495214 (6.29/sec)
http://cdn2.hark.com/images/000/001/157/1157/original.jpg nice catch! ar-jedi |
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Jan 30 10:22:11 wopr logger: envsys - loops: 4130324 (0.98/sec); actions: 26495214 (6.29/sec)
http://cdn2.hark.com/images/000/001/157/1157/original.jpg nice catch! ar-jedi Let's play a game! |
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I'm hoping to cash in this sweat equity when I eventually sell the place, if I can get some buyers who know what it is.
Good luck with that one! |
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I'm hoping to cash in this sweat equity when I eventually sell the place, if I can get some buyers who know what it is.
Good luck with that one! I know, this is me holding my breath. Anyway I need the fantasy of getting some money back out of this place, since all the other work I've done has been repairs. Next up is the laundry plumbing... |
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I've already reduced the power/heat signature of my NT side by moving all my "essential" services onto low power atom boxes. Yes, I could pare it down further if I only wanted function... But half the reason for having it was to learn and play.
The same goes for the networking gear. I could run things that take less power, but I would not be keeping an iOS network infrastructure alive in production if I did that. I did make a token effort though... Small fanless Dell gig switches because I could not handle the idea of two more loud Cisco boxes running 24/7. Ok, so there's the part where I couldn't afford that many ports of Cisco gig too... Subnet - I don't know about the operating temp. Doesn't one of the physical info commands give you system temp.? maybe http://www.techrepublic.com/blog/networking/monitor-cisco-routers-and-switches-using-the-ios-environment-command/611 |
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home automation - motion (linux package) for a couple of cameras. - DIY temperature/contact/process sensor network. i know how often the furnace, A/C, well pump, etc run. i know the temperature outside, and at multiple locations inside. i know what time the sun comes up and goes back down each day, low voltage lights come on automagically, and can be manually overridden. the state of the doors on our detached garage and detached workshop are visible via the web. everything is logged. I'd be very interested in learning more about what software package(s)/hardware you're using for the temp and utility tracking. I'm working on getting my house wired for cat 5 and am debating starting to make the move to home automation for lighting control and elec usage monitoring. |
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I'd be very interested in learning more about what software package(s)/hardware you're using for the temp and utility tracking. I'm working on getting my house wired for cat 5 and am debating starting to make the move to home automation for lighting control and elec usage monitoring. shit, i knew someone was going to ask that question. first off, i am a propeller head. i want to make that clear. what i am doing may or may not be suitable for you. that's not my fault nor your fault. everyone has differing need for features, and differing methodologies for getting there. that said, if you are simply looking to automate lighting and monitor power consumption, you can get off-the-shelf hardware to do exactly what you want to do, and more. there is the typical tradeoff, of course, of money versus your effort. at one end of the scale is hiring someone to come in, wire it up, and press go. on the other end of the scale is a complete DIY system tailored exactly to the things you want to do. whether or not you can afford the outsourcing approach or have the skills for the insourcing approach will dictate some of your decisions. but a system based on off-the-shelf hardware and installed by you can be grown, as needed, over time and as funds allow. for the casual user looking to automate normal things, i would suggest Insteon products. they are relative low cost, they communicate over the power lines so there is no additional wiring, the variety of functions available is fairly wide, they network easily (e.g. to PC's and smartphones) and the products work. with very little effort you can, for example, turn lights anywhere in the house on/off from your bedroom, or control the heat from anywhere on the web, etc. see http://www.smarthome.com/_/INSTEON/_/23b/land.aspx in addition to Insteon, there is X10, Z-Wave, UPB, and other commercial solutions. but Insteon has a lot of product breadth, and the capabilities are good to excellent. you are basically buying an Apple computer –– in that someone already thought through all of the hardware/software interaction issues. in my case i have oddball wants/needs and decided a very much DIY approach. my linux box, which does a lot more than just the home automation aspect, is the central point of the system. software runs on this box to implement the features. some of the software i wrote, some is open source. the hardware is a collection of inexpensive "hobbyist/project boards". these boards are attached to the linux box via CAT5 wire, in ways that are too complex to explain in the scope of this post (ed: some boards are direct attach RS232; some boards are hung off of an RS485 multi-drop; and one board is on the end of a one port terminal server). the linux server sends commands to the boards, one at a time. the boards reply, one at a time. it's deterministic. the linux server polls all of the boards in a circular loop. you can do this quite quickly, on the order of 1 loop per second. there are methods to parallelize this approach, which i have not had the need to do but i often think about during long drives while my wife is talking at me. since the hardware endpoints are more or less ad-hoc, any capability needed is possible. the tradeoff, as usual, is cost vs effort. for example, a 4 relay Insteon module is US$109 (link). but a simple microcontroller project board with 4 relays AND 4 inputs AND the ability to measure temperature is US$34 (link). so you see the build versus buy tradeoff. now then, what happens to the data that the polling process collects? in general, i take the "filesystem representation" approach. it is simple, self-describing, intuitive, and finally (but perhaps most importantly) it is easily debugged. the filesystem tree for a given location fully describes all of the features and capabilities of the sensor(s) at that location. the environmental system then is responsible for populating the filesystem tree under that location, and also for updating sensors when the file system is changed by external programs. read that last sentence again, as it is an important concept. of course, some data can not be "set". for example, you can try to "set" the outside temperature all you want, but it's not going to make a difference. another benefit of the filesystem representation approach is that no external database or other ancillary application is required. the filesystem IS the database. it makes backup trivial as well. so lets take a simple measurement. for example, we want to know the outside temperature, and make a graph of it over time. there are many possible approaches to this, but one way is to ask NOAA via the internet, and record the temperature in the filesystem tree. in this case the sensor is Internet/NOAA, and it's recorded using a defined path: (btw all of these are located under /var/env) 36 ––> ./Internet/NOAA/feature/temperature/get/degF (Tue Feb 7 23:17:15 EST 2012) in other cases, such as 69 ––> ./House/Upstairs/feature/temperature/get/degF (Tue Feb 7 23:21:50 EST 2012) or 41 ––> ./Workshop/Door/feature/temperature/get/degF (Tue Feb 7 23:22:02 EST 2012) we got the data from a sensor. or perhaps the data is from the linux box itself: 95 ––> ./Server/DiskA/feature/temperature/get/degF (Tue Feb 7 23:22:01 EST 2012) these are simple examples, to give you a flavor of how the system stores sensor values taken from a given location. those values can be read by MTRG, RRDtool, etc and used as input for graphing. the important concept here is the division of labor; the graphing program does not need to interact with the automation system –– it simply has to read data from the filesystem, which is what it was designed to do in the first place! so there is no adaptation needed for any available program. ps: a few more notes about home automation: eschew closed, proprietary systems. the system should be scalable as your needs/wants arise. KISS. if it is too complicated for your wife to understand or use, it's too complicated. it should fail safe across power outages. and it should definitely open the pod bay doors when you want it to, without acting like a two year old. (link) |
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ar-jedi
I was hoping you'd post something like that. The idea has.... appeal. |
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Although that post wasn't directed at me, I will definitely say thanks for the info –– very useful.
...but i often think about during long drives while my wife is talking at me.
I love, and understand, the distinction between talking at and talking to. |
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No pictures, (I know Johnny Buzzkill,) but I moved my Linux file-server and main Router/FW into my safe room once I got it built out. Nice thing is that my data (Hardware RAID 5,) is physically secure and has fire protection but I keep my important data off-site. My next major home-networking project is to pull new CAT 6 wire for IP cameras and terminate it all with a PoE switch I have.
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I was hoping you'd post something like that. The idea has.... appeal. if you have beginner-level shell programming skills and are comfortable using vi/gedit to change configuration files, i'll expose the entirety of my automation project via http and/or CVS so you can pull what you want. just note the basic unix/linux principle applies: complex systems should be made up out of small, easily understood/debugged modules. there is no monolithic application that does everything. that said, there is real economy in the approach i selected; using the filesystem as a hierarchical database makes life SO VERY EASY. the shell script which does the loop management, including all of the data gathering and setting, is 3.6Kbytes. and a good portion of that is just instrumentation for stats. jds@wopr:/var/env$ wc envsys.sh ar-jedi ps: i rec'd an IM that asked how daylight hours (sunrise/sunset) are determined. i figured others might find this useful as well. the data itself comes from your tax dollars. a simple shell script then finds the right month/day and outputs the sunrise/sunset time. thereafter, you can use the unix at() command to make things happen at sunrise/sunset
jds@wopr:/usr/local/bin$ cat daylight-sched.sh |
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the shell script which does the loop management, including all of the data gathering and setting, is 3.6Kbytes. and a good portion of that is just instrumentation for stats. jds@wopr:/var/env$ wc envsys.sh 156 358 3645 envsys.sh
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now then, what happens to the data that the polling process collects? in general, i take the "filesystem representation" approach. it is simple, self-describing, intuitive, and finally (but perhaps most importantly) it is easily debugged. the filesystem tree for a given location fully describes all of the features and capabilities of the sensor(s) at that location. the environmental system then is responsible for populating the filesystem tree under that location, and also for updating sensors when the file system is changed by external programs. read that last sentence again, as it is an important concept. of course, some data can not be "set". for example, you can try to "set" the outside temperature all you want, but it's not going to make a difference. another benefit of the filesystem representation approach is that no external database or other ancillary application is required. the filesystem IS the database. it makes backup trivial as well.
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Quoted: This thread = full of win. I finally created a thread in which the GD does not make fun of me. |
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ar-jedi: Thanks for the reply, I appreciate it. I'm a nerd at heart(engineer) but my forte is mechanical/process related stuff and my programming knowledge is more VB for excel and CNC programming so as of now most of what you're doing is way over my head on the software side.....but who knows, I might get more interested eventually. I have been leaning towards Insteon brand products for my house so I'm glad I'm in the right direction.....right now just need to get more wiring pulled for network then start seeing where things go and how quickly the budget disappears. Building up some stuff off project boards isn't outside the range off possibilities though.....hum.....
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I ran CAT6 throughout the house and made a small "rack" tucked away in the closet for the terminations. The closet was an excellent central location for the wireless router, and it has a gig switch built in that the high speed stuff uses. I added in another small Netgear switch with PoE because I use some VoIP phones from the office and I hate messing with the AC adapters. http://img713.imageshack.us/img713/8282/photopor.jpg http://img845.imageshack.us/img845/7832/photo1tf.jpg I just wish the PoE switch was gig, I had a hard time finding a reasonably priced unit that wasn't 10/100. Let's see how long I can keep it this neat and tidy, I already have visions of adding in an ASA and media center PC. very nice clean install. ar-jedi |
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I ran CAT6 throughout the house and made a small "rack" tucked away in the closet for the terminations. The closet was an excellent central location for the wireless router, and it has a gig switch built in that the high speed stuff uses. I added in another small Netgear switch with PoE because I use some VoIP phones from the office and I hate messing with the AC adapters. http://img713.imageshack.us/img713/8282/photopor.jpg http://img845.imageshack.us/img845/7832/photo1tf.jpg I just wish the PoE switch was gig, I had a hard time finding a reasonably priced unit that wasn't 10/100. Let's see how long I can keep it this neat and tidy, I already have visions of adding in an ASA and media center PC. Finally - cable management! Some of those pics killed me a little inside.... |
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pfft http://www.instructables.com/files/deriv/FR5/5S2J/G4PBP7TA/FR55S2JG4PBP7TA.MEDIUM.jpg I win. OMG OMG OMG you has the Internet! Do the Elders of the Internet know?? |
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On a more serious side, I have a question for you internet geeks:
I get to use my cousins WiFi back home in the US. My house is like 100 feet away from his. How can I boost his WiFi signal so I can use it with my computer? |
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Quoted: On a more serious side, I have a question for you internet geeks: I get to use my cousins WiFi back home in the US. My house is like 100 feet away from his. How can I boost his WiFi signal so I can use it with my computer? A good question to post in Urban Commandos. Until then, here is a search term - High Gain Wifi Antenna |
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Somethings just come in last on mi casa's punchlist..... ....because I spend my days doing this lol @ the electrical tape stands. Get it together man! |
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Somethings just come in last on mi casa's punchlist..... ....because I spend my days doing this lol @ the electrical tape stands. Get it together man! air circulation man, they gotz a whole lotta processing goin on tharrr |
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Somethings just come in last on mi casa's punchlist..... http://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture146.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture147.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture145.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture144.jpg ....because I spend my days doing this http://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture152-1.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture159-1.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture046-1.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/VoiceandData-1.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Cadwell033.jpghttp://i1109.photobucket.com/albums/h429/gypsyjoe1/ReSized/Picture116.jpg That's some nice work. Not your house, of course... ;-) Thanks, and my only defense is about the "Shoemaker's kids running around barefoot" lol |
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