IRC log of #maemo for Wednesday, 2019-06-05

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hmw_metalabNow, that I fixed my N900, I am compiling a list of information, downloads and hits on my personal web site. What is the situation about copyright regarding firmware images and other downloads? I would like to mirror everything, I found.02:42
hmw_metalabs/hits/hints02:42
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brolin_empeyhmw_metalab: IANAL but I do not think you have to worry about mirroring Maemo stuff considering that it is aged close to a decade.11:14
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hmw_metalabThanks, I guessed so. I just wanted to hear, if there have been any issues or not.11:16
hmw_metalabThat thing still rocks.11:17
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timelessanyone here deal w/ rack mount UPS systems?20:09
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sixwheeledbeastin what way?20:16
timelesswe have one and one of its batteries failed20:17
timelessso i figured i'd ask some basic questions20:17
timelessbut the web has kind of given me the answers20:17
timelessnamely: (1) don't store UPS batteries w/o plugging them in, it's bad for their health -- I think I knew that at one point but long since forgot20:17
sixwheeledbeastask away i deal with that type of stuff yea20:18
KotCzarnyya, leadacid batteries are selfdischarging20:18
KotCzarnyand they have best life when being fully charged20:18
KotCzarnybasically same as car accu20:18
KotCzarnythey CAN be stored, but you should be charging them to full once a month20:20
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timelessare all battery packs basically rebuilt/recycled exteriors w/ fresh batteries?20:21
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KotCzarnydefine 'all battery packs'20:21
timelesshttps://www.amazon.ca/Smart-UPS-SUA3000RM2U-Battery-Cartridge/dp/B00C80UTSS20:21
timeless"battery cartridge"?20:22
KotCzarnyhehe20:22
timelessi.e. a pluggable thing that someone adds into a rack mount ups?20:22
KotCzarnysame as disk drive cartdridges20:22
KotCzarnyyou can try fiddling etc, but in pro world they just replace whole modules20:23
timelessi'm not interested in fiddling20:23
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timelessjust trying to get a sense of whether i'm almost always getting a "rebuilt" thing20:23
timeless"refurbished"20:23
KotCzarny'1 new'20:24
KotCzarnythere is a chance it's some kind of noname replacement20:26
bencoha recycled exterior isn't so muchof an issue. the real problem with noname is that you cannot really trust them regarding battery capacity / state20:33
sixwheeledbeastMostly they are designed for SLA aka AGM batteries, these are similar tech to flooded car batteries but are designed for an application.20:36
sixwheeledbeastIn a UPS you would have 12V C20 batteries these have an expected life of 5 years in float applications like a UPS.  They are generally packaged for your UPS into "cartridges"20:38
bencohtalking about that, I wonder if/when DC power input will ever become standard on servers20:38
bencohthe whole AC/DC/AC/DC thing with UPS is just plain silly20:39
timelessI think that some of the bigger companies are doing that for themselves20:39
KotCzarnyyou would have to start selling 12V generators20:39
KotCzarny:)20:39
sixwheeledbeastI build my own "high quality" cartridges for UPS I general find the cartridges overpriced for what they are.20:39
timelessso, is there something i should do to try to "Vet" my vendor?20:40
bencohKotCzarny: we're already using 12 batteries ...20:40
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bencoh12V*20:40
bencohsixwheeledbeast: what do you make those of?20:40
KotCzarnyyeah, but to save on conversions, you would have to provide 12V generators too20:40
sixwheeledbeastDC power would require much greater cost due to increased copper size between components.20:41
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bencohsixwheeledbeast: even with top-of-the-rack UPSes?20:41
KotCzarnyswb: but you would save in long term?20:41
sixwheeledbeastNot necessarily depends on the installation.20:42
sixwheeledbeastI build my UPS cartridges with Yuasa's20:42
sixwheeledbeastYou can get the double sided adhesive to stick them together if you build them generally from most places. At a push duct tape does a decent job.20:46
sixwheeledbeastAlso you have to think about redundancy when it comes to a full DC rack.20:49
bencohdual-supply DC/DC doesn't sound impossible (think consumer electronics) but I wouldn't know about that power level20:51
sixwheeledbeasttimeless: looking at the model you posted a quick search I could "self refurbish" the cartridge for around equivalent of $190CAN with Yuasa branded20:58
timelesssixwheeledbeast: so, roughly ~$200 is the actual value of what i'm paying for?20:59
sixwheeledbeastminus the labour and shipping of doing the job yes20:59
* timeless wonders about disposal/recycling costs20:59
sixwheeledbeastI also recycle my own batteries and get money back there.20:59
sixwheeledbeastThey are full of lead21:00
KotCzarnybasically same rules as car accu21:00
sixwheeledbeastI suppose they are giving you a cartridge casing too no idea how much that would be worth.21:01
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sixwheeledbeastTBH the solid cartridge type like that are the easiest to "refurbish" they just plug together. No need to built a battery pack up and stick batteries together like the desktop ones.21:03
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sixwheeledbeastExample, RBC7 pack $170US I build my own for $110, 10 minute job.21:07
KotCzarny19:23 #maemo timeless > i'm not interested in fiddling21:09
KotCzarny;)21:09
timelessI'm a software guy!21:09
KotCzarnythere is a chance you dont need any soldering21:09
* timeless is definitely not doing soldering21:09
timelessthat's 5-10 bridges too far21:09
KotCzarnyjust some connectors and physical placement21:10
timelessright now i'm trying to figure out what to do to make the ups management software happy21:10
timelessright now it21:10
KotCzarnyunless those cartridges have some anti-fiddler measures similar to printer's cartridges21:10
timeless's sending me emails every couple of minutes screaming21:10
KotCzarnychecked the manual?21:10
sixwheeledbeastYours is a RBC43 by the way. As I say there is no soldering you may need a screwdriver at the worst. 10 minutes.21:12
sixwheeledbeastThe only caveat is working out what size Faston connections you have and then it will plug together.21:13
timelesssixwheeledbeast: so, basically things that look like this? https://www.batterysharks.com/APC-RBC43-p/apc-rbc43_ups12-5.5_x8.htm21:14
sixwheeledbeasttimeless: yes there is 8 of those in a RBC43. As I say I buy Yuasa (good brand) tho.21:16
KotCzarnyyuase were doing car accus for honda21:16
KotCzarny*yuasa21:16
timelesshttp://yuasabattery.ca/21:16
KotCzarnythe factory mounted ones21:16
timelesshttp://yuasabattery.ca/advanced-search/ -> 50021:17
timeless(so reassuring)21:17
KotCzarnyyeah, basic stuff as sizes, terminal positioning etc21:17
sixwheeledbeastThey are market leader for batteries21:17
sixwheeledbeastAs I say I can get model numbers for the Yuasa's but I would need to know what size faston connections.21:18
sixwheeledbeastIf it's Type A 4.7mm (Faston 4.7) then you looking at 8x "RE5-12"21:21
timelesshttps://clinicopc.com/store/index.php/component/virtuemart/?keyword=rbc43&view=category&option=com_virtuemart&virtuemart_category_id=557&Itemid=21:21
timeless"Our Shop is currently down for maintenance. Please check back again soon."21:22
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timeless(great, i think i broke my apc management software)21:23
KotCzarnyat least it will shut up21:23
KotCzarny:)21:23
timeless(i guess that's one way ... yeah, that)21:23
sixwheeledbeastAlso yuasabattery.ca is not a genuine GS Yuasa site BTW21:24
timelessof course not21:24
* timeless sighs21:24
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sixwheeledbeasthttps://www.batterycanada.com/rbc43.asp Not Yuasa but you can see the difference in cost.21:27
sixwheeledbeastSeems North America brand Yuasa as GS. Would be these http://www.gsbattery.com/ind-products/PE/PE12V4_5.pdf21:31
timelessis this the kind of thing that i can safely understand by watching a single youtube video?21:48
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sixwheeledbeasttimeless: https://www.youtube.com/watch?v=8SC_SZU3VYs22:00
timelessthanks22:02
* timeless is multi-tasking (poorly)22:02
timelessadventure of the day: upgrading the apc card firmware22:09
timelessdo people use ssh, https, or just good old telnet/ftp/http?22:09
KotCzarnyscreen is handy on flaky links22:10
timelessand in general, how do people deal w/ certificates for network appliances? -- the modern world uses short lived automatically issued certificates, which means that loading certificates would require some automatable method (since it's a periodic task)22:10
sixwheeledbeastMy home ones have USB connection.22:11
timelessi think this card has a usb connection but the disclaimer we got for it was "that software is for windows only"22:12
timelesswe have a AP9630 card...22:13
sixwheeledbeastDitto I still use apcupsd via USB it seems to work with my power mgmt daemon fine22:14
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timelesshmm, so after updating the firmware, it says "ups status: unavailable" "online"22:26
timelessand "lost communication to ups"22:27
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