{"id":30491,"date":"2019-10-31T21:35:51","date_gmt":"2019-10-31T18:35:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/server-v-oblakah-2-0-zapuskaem-server-v-stratosferu\/"},"modified":"2019-10-31T21:35:51","modified_gmt":"2019-10-31T18:35:51","slug":"server-v-oblakah-2-0-zapuskaem-server-v-stratosferu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/server-v-oblakah-2-0-zapuskaem-server-v-stratosferu","title":{"rendered":"Server v oblakoch 2.0. Sp\u00fa\u0161\u0165ame server do stratosf\u00e9ry","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Priatelia, vymysleli sme nov\u00fa akciu. Mnoh\u00ed z v\u00e1s si pam\u00e4taj\u00fa n\u00e1\u0161 minuloro\u010dn\u00fd z\u00e1bavn\u00fd geek projekt \u201eServer v oblakoch<\/a><\/noindex>\u201c: vytvorili sme mal\u00fd server na b\u00e1ze Raspberry Pi a spustili ho na bal\u00f3n. <\/p>\n

\"Server<\/a><\/noindex><\/p>\n

Teraz sme sa rozhodli \u00eds\u0165 e\u0161te \u010falej, teda vy\u0161\u0161ie \u2014 \u010del\u00edme stratosf\u00e9re!
\n<\/a><\/noindex>
\nKr\u00e1tko pripomenieme, v \u010dom spo\u010d\u00edval prv\u00fd projekt \u201eServer v oblakoch\u201c. Server neletel len tak na bal\u00f3ne, intrigou bolo, \u017ee zariadenie bolo funk\u010dn\u00e9 a vysielalo svoju telemetriu na zem. <\/p>\n

\"Server
\n
\nTo znamen\u00e1, \u017ee v\u0161etci zvedav\u00ed mohli v re\u00e1lnom \u010dase sledova\u0165 trasu pohybu. Pred \u0161tartom 480 \u013eud\u00ed ozna\u010dilo na mape miesta, kde by mohol bal\u00f3n prist\u00e1\u0165.<\/p>\n

\"Server
\n
\nSamozrejme, v plnom s\u00falade so z\u00e1konom Edwarda Murphyho, u\u017e po\u010das letu \u201evypadla\u201c hlavn\u00e1 komunika\u010dn\u00e1 linka cez GSM modem. Preto sa pos\u00e1dke doslovne muselo na let prepn\u00fa\u0165 na z\u00e1lo\u017en\u00fa komunik\u00e1ciu zalo\u017een\u00fa na Pracuje na nelicencovan\u00fdch frekvenci\u00e1ch. O \u0161tandarde je dobre povedan\u00e9 v \u010dl\u00e1nku z konca roku 2017 \"\u010co je LoRaWan\" na Chabru. \u017dije na \u010dipoch Semtech.<\/a><\/noindex>. Takisto vzduchoplavcom vznikol probl\u00e9m s USB k\u00e1blom, ktor\u00fd sp\u00e1jal modul telemetrie a Raspberry 3 \u2014 zd\u00e1 sa, \u017ee sa z\u013eakol v\u00fd\u0161ky a odmietol pracova\u0165. Na\u0161\u0165astie, na tomto probl\u00e9me sa to skon\u010dilo a bal\u00f3n \u00faspe\u0161ne prist\u00e1l. Traja \u0161\u0165astlivci, ktor\u00fdch zna\u010dky sa nach\u00e1dzali najbli\u017e\u0161ie k miestu prist\u00e1tia, z\u00edskali chutn\u00e9 ceny. Mimochodom, za prv\u00e9 miesto sme darovali \u00fa\u010das\u0165 na plachetn\u00fdch pretekoch AFR 2018 (Vitalik, pozdravujeme!). <\/p>\n

Projekt dok\u00e1zal, \u017ee my\u0161lienka \u201eserverov vzdu\u0161n\u00e9ho zakotvenia\u201c nie je tak\u00e1 bl\u00e1zniv\u00e1, ako by sa mohlo zda\u0165. A chceme urobi\u0165 \u010fal\u0161\u00ed krok k \u201elietaj\u00facemu d\u00e1tov\u00e9mu centru\u201c: overi\u0165 v\u00fdkon servera, ktor\u00fd sa na stratosf\u00e9re dostane do v\u00fd\u0161ky okolo 30 km \u2014 do stratosf\u00e9ry. \u0160tart zhodnot\u00edme na De\u0148 kozmonautiky, tak\u017ee n\u00e1m zost\u00e1va iba m\u00e1lo \u010dasu, menej ako mesiac. <\/p>\n

N\u00e1zov \u201eServer v oblakoch 2.0\u201c nie je \u00faplne presn\u00fd, preto\u017ee v takejto v\u00fd\u0161ke nen\u00e1jdete ani obl\u00e1\u010dik. Tak\u017ee m\u00f4\u017eeme projekt nazva\u0165 \u201eNadobla\u010dn\u00fd server\u201c (n\u00e1sleduj\u00faci projekt budeme musie\u0165 nazva\u0165 \u201eDc\u00e9ry, ste vesm\u00edr!\u201c).<\/p>\n

\"Server
\n
\nRovnako ako v prvom projekte, server bude funk\u010dn\u00fd. Ale \u010daro spo\u010d\u00edva v nie\u010dom inom: chceme overi\u0165 koncept sl\u00e1vneho projektu Google Loon a otestova\u0165 samotn\u00fa mo\u017enos\u0165 poskytovania internetu zo stratosf\u00e9ry.<\/p>\n

Sch\u00e9ma fungovania servera bude vyzera\u0165 nasledovne: na landing page budete m\u00f4c\u0165 prostredn\u00edctvom formul\u00e1ra zasiela\u0165 na server textov\u00e9 spr\u00e1vy. Tieto spr\u00e1vy bud\u00fa prostredn\u00edctvom HTTP protokolu pren\u00e1\u0161an\u00e9 na po\u010d\u00edta\u010d zavesen\u00fd pod stratosf\u00e9rick\u00fdm bal\u00f3nom cez dve nez\u00e1visl\u00e9 s\u00fastavy satelitnej komunik\u00e1cie, a ten tieto d\u00e1ta nielen\u017ee odo\u0161le sp\u00e4\u0165 na Zem, ale nie tou istou cestou cez satelit, ale r\u00e1diov\u00fdm kan\u00e1lom. Takto budeme vedie\u0165, \u017ee server v\u00f4bec prij\u00edma d\u00e1ta a \u017ee dok\u00e1\u017ee poskytova\u0165 internet zo stratosf\u00e9ry. Takisto budeme m\u00f4c\u0165 vypo\u010d\u00edta\u0165 percento straten\u00fdch inform\u00e1ci\u00ed \u201ena trase\u201c. Na tej istej landing page bude zobrazen\u00fd graf letov\u00e9ho trasy stratosf\u00e9rick\u00e9ho bal\u00f3nu, na ktorom bud\u00fa ozna\u010den\u00e9 body prijatia ka\u017edej va\u0161ej spr\u00e1vy. To znamen\u00e1, \u017ee budete m\u00f4c\u0165 v re\u00e1lnom \u010dase sledova\u0165 trasu a v\u00fd\u0161ku \u201enadobla\u010dn\u00e9ho servera\u201c.<\/p>\n

A pre t\u00fdch, ktor\u00ed s\u00fa \u00faplne skeptick\u00ed a tvrdia, \u017ee to v\u0161etko je vopred napl\u00e1novan\u00e9, nain\u0161talujeme na palubu mal\u00fd displej, na ktorom sa na HTML str\u00e1nke bud\u00fa zobrazova\u0165 v\u0161etky prijat\u00e9 spr\u00e1vy od v\u00e1s. Displej bude sn\u00edma\u0165 kamera, v poli jej poh\u013eadu bude aj \u010das\u0165 horizontu. Chceme pren\u00e1\u0161a\u0165 videosign\u00e1l r\u00e1diov\u00fdm kan\u00e1lom, ale tu je jeden h\u00e1\u010dik: ak bude po\u010dasie dobr\u00e9, video by malo dosiahnu\u0165 zem po\u010das v\u00e4\u010d\u0161iny letu stratosf\u00e9rick\u00e9ho bal\u00f3nu, na 70-100 km. Pri obla\u010dnosti sa dosah prenosu m\u00f4\u017ee zn\u00ed\u017ei\u0165 na vzdialenos\u0165 a\u017e 20 km. Ale v ka\u017edom pr\u00edpade bude video zaznamenan\u00e9 a zverejn\u00edme ho, akon\u00e1hle n\u00e1jdeme zr\u00faten\u00fd stratosf\u00e9rick\u00fd bal\u00f3n. Mimochodom, h\u013eada\u0165 ho budeme pomocou sign\u00e1lu palubn\u00e9ho GPS maj\u00e1ka. Pod\u013ea \u0161tatistiky pristane server v okruhu 150 km od miesta vypustenia.<\/p>\n

\u010coskoro podrobne vysvetl\u00edme, ako bude usporiadan\u00e9 zariadenie nosnej n\u00e1lo\u017ee stratosf\u00e9rick\u00e9ho bal\u00f3nu a ako to v\u0161etko bude spolupracova\u0165. Z\u00e1rove\u0148 odhal\u00edme aj niektor\u00e9 zauj\u00edmav\u00e9 detaily projektu s\u00favisiace s kozmom. <\/p>\n

Aby v\u00e1s bavilo sledova\u0165 projekt ako minul\u00fd rok, pripravili sme s\u00fa\u0165a\u017e, v ktorej mus\u00edte ur\u010di\u0165 miesto prist\u00e1tia servera. V\u00ed\u0165az, ktor\u00fd najpresnej\u0161ie uh\u00e1dne miesto prist\u00e1tia, sa bude m\u00f4c\u0165 z\u00fa\u010dastni\u0165 na vyv\u00e1dzanie so \u0160kolou v Baikonure, pri \u0161tartovan\u00ed pilotovanej lode \u201eSoyuz MS-13\u201c 6. j\u00fala. Cenu za druh\u00e9 miesto predstavuje certifik\u00e1t na cestovanie od na\u0161ich priate\u013eov z Tutu.ru. Dvadsa\u0165 \u010fal\u0161\u00edch \u00fa\u010dastn\u00edkov sa bude m\u00f4c\u0165 z\u00fa\u010dastni\u0165 na skupinovej exkurzii do Hviezdneho meste\u010dka v m\u00e1ji. Podrobnosti na str\u00e1nke s\u00fa\u0165a\u017ee<\/a><\/noindex>.<\/p>\n

Sledujte novinky na blogu \ud83d\ude42
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u0440\u0443\u0437\u044c\u044f, \u043c\u044b \u043f\u0440\u0438\u0434\u0443\u043c\u0430\u043b\u0438 \u043d\u043e\u0432\u0443\u044e \u0434\u0432\u0438\u0436\u0443\u0445\u0443. \u041c\u043d\u043e\u0433\u0438\u0435 \u0438\u0437 \u0432\u0430\u0441 \u043f\u043e\u043c\u043d\u044f\u0442 \u043d\u0430\u0448 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e\u0434\u043d\u0438\u0439 \u0444\u0430\u043d\u043e\u0432\u044b\u0439 \u0433\u0438\u043a-\u043f\u0440\u043e\u0435\u043a\u0442 \u00ab\u0421\u0435\u0440\u0432\u0435\u0440 \u0432 \u043e\u0431\u043b\u0430\u043a\u0430\u0445\u00bb: \u043c\u044b \u0441\u0434\u0435\u043b\u0430\u043b\u0438 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0439 \u0441\u0435\u0440\u0432\u0430\u0447\u043e\u043a \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 Raspberry Pi \u0438 \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043b\u0438 \u0435\u0433\u043e \u043d\u0430 \u0432\u043e\u0437\u0434\u0443\u0448\u043d\u043e\u043c \u0448\u0430\u0440\u0435. \u0422\u0435\u043f\u0435\u0440\u044c \u043c\u044b \u0440\u0435\u0448\u0438\u043b\u0438 \u043f\u043e\u0439\u0442\u0438 \u0435\u0449\u0451 \u0434\u0430\u043b\u044c\u0448\u0435, \u0442\u043e \u0435\u0441\u0442\u044c \u0432\u044b\u0448\u0435 \u2014 \u043d\u0430\u0441 \u0436\u0434\u0451\u0442 \u0441\u0442\u0440\u0430\u0442\u043e\u0441\u0444\u0435\u0440\u0430! \u0412\u043a\u0440\u0430\u0442\u0446\u0435 \u043d\u0430\u043f\u043e\u043c\u043d\u0438\u043c, \u0432 \u0447\u0451\u043c \u0431\u044b\u043b\u0430 \u0441\u0443\u0442\u044c \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u00ab\u0421\u0435\u0440\u0432\u0435\u0440 \u0432 \u043e\u0431\u043b\u0430\u043a\u0430\u0445\u00bb. \u0421\u0435\u0440\u0432\u0435\u0440 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Server v oblakoch 2.0. 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