{"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\/cs\/blog\/administrirovanie\/server-v-oblakah-2-0-zapuskaem-server-v-stratosferu","title":{"rendered":"Server v oblac\u00edch 2.0. Spou\u0161t\u00edme server do stratosf\u00e9ry","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u0159\u00e1tel\u00e9, vymysleli jsme novou v\u011bc. Mnoz\u00ed si z v\u00e1s pamatuj\u00ed n\u00e1\u0161 lo\u0148sk\u00fd z\u00e1bavn\u00fd geek projekt \u201eServer v oblac\u00edch<\/a><\/noindex>\u201c: ud\u011blali jsme mal\u00fd server na b\u00e1zi Raspberry Pi a vypustili ho na bal\u00f3nu. <\/p>\n

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

Te\u010f jsme se rozhodli posunout se je\u0161t\u011b d\u00e1l, tedy v\u00fd\u0161 \u2014 \u010dek\u00e1 n\u00e1s stratosf\u00e9ra!
\n<\/a><\/noindex>
\nStru\u010dn\u011b p\u0159ipom\u00edn\u00e1me, v \u010dem byl smysl prvn\u00edho projektu \u201eServer v oblac\u00edch\u201c. Server nelet\u011bl jen tak na bal\u00f3nu, byla v tom zaj\u00edmavost, \u017ee za\u0159\u00edzen\u00ed bylo funk\u010dn\u00ed a p\u0159en\u00e1\u0161elo na zem svou telemetrii. <\/p>\n

\"Server
\n
\nTo znamen\u00e1, \u017ee v\u0161ichni z\u00e1jemci mohli v re\u00e1ln\u00e9m \u010dase sledovat trasu pohybu. P\u0159ed startem ozna\u010dilo na map\u011b 480 lid\u00ed m\u00edsta, kde m\u016f\u017ee bal\u00f3n p\u0159ist\u00e1t.<\/p>\n

\"Server
\n
\nSamoz\u0159ejm\u011b, v pln\u00e9m souladu se z\u00e1konem Edvarda Murphyho, ji\u017e v letu \u201eodpadl\u201c hlavn\u00ed komunika\u010dn\u00ed kan\u00e1l p\u0159es GSM modem. Proto se pos\u00e1dce v doslovn\u00e9m smyslu na cest\u011b poda\u0159ilo p\u0159ej\u00edt na z\u00e1lo\u017en\u00ed p\u0159ipojen\u00ed na b\u00e1zi LoRa<\/a><\/noindex>. Tak\u00e9 vzduchoplavci museli \u0159e\u0161it probl\u00e9m s USB kabelem, kter\u00fd spojoval telemetrick\u00fd modul a Raspberry 3 \u2014 vypad\u00e1 to, \u017ee se leklo v\u00fd\u0161ky a odm\u00edtlo pracovat. Na\u0161t\u011bst\u00ed t\u00edm pot\u00ed\u017ee skon\u010dily a bal\u00f3n bezpe\u010dn\u011b p\u0159ist\u00e1l. T\u0159i \u0161\u0165astlivci, jejich\u017e zna\u010dky byly nejbl\u00ed\u017ee k m\u00edstu p\u0159ist\u00e1n\u00ed, obdr\u017eeli chutn\u00e9 ceny. Mimochodem, za prvn\u00ed m\u00edsto jsme darovali \u00fa\u010dast v plachetnick\u00e9 regat\u011b AFR 2018 (Vitaliku, pozdrav!). <\/p>\n

Projekt dok\u00e1zal, \u017ee my\u0161lenka \u201eserver\u016f s vzdu\u0161n\u00fdm zakotven\u00edm\u201c nen\u00ed tak bl\u00e1zniv\u00e1, jak by se mohlo zd\u00e1t. A chceme ud\u011blat dal\u0161\u00ed krok na cest\u011b k \u201el\u00e9taj\u00edc\u00edmu datov\u00e9mu centru\u201c: otestovat funkci serveru, kter\u00fd se na stratos\u00e9tu vy\u0161plh\u00e1 do v\u00fd\u0161ky p\u0159ibli\u017en\u011b 30 km \u2014 do stratosf\u00e9ry. Start se pl\u00e1nuje na Den kosmonautiky, tedy \u010das n\u00e1m zb\u00fdv\u00e1 opravdu m\u00e1lo, m\u00e9n\u011b ne\u017e m\u011bs\u00edc. <\/p>\n

N\u00e1zev \u201eServer v oblac\u00edch 2.0\u201c nen\u00ed zcela p\u0159esn\u00fd, proto\u017ee v takov\u00e9 v\u00fd\u0161ce nenajdete ani mrak. Tak\u017ee projekt m\u016f\u017eeme ozna\u010dit jako \u201eNadobla\u010dn\u00fd server\u201c (dal\u0161\u00ed projekt budeme muset pojmenovat \u201eD\u00edt\u011b, ty jsi vesm\u00edr!\u201c).<\/p>\n

\"Server
\n
\nStejn\u011b jako v prvn\u00edm projektu bude server funk\u010dn\u00ed. Ale v\u00fdjime\u010dnost je v n\u011b\u010dem jin\u00e9m: chceme otestovat koncept slavn\u00e9ho projektu Google Loon a ov\u011b\u0159it mo\u017enost rozd\u011blov\u00e1n\u00ed internetu ze stratosf\u00e9ry.<\/p>\n

Sch\u00e9ma fungov\u00e1n\u00ed serveru bude vypadat n\u00e1sledovn\u011b: na landing page budete moci prost\u0159ednictv\u00edm formul\u00e1\u0159e pos\u00edlat textov\u00e9 zpr\u00e1vy na server. Tyto zpr\u00e1vy budou prost\u0159ednictv\u00edm dvou nez\u00e1visl\u00fdch satelitn\u00edch syst\u00e9m\u016f p\u0159en\u00e1\u0161eny na po\u010d\u00edta\u010d zav\u011b\u0161en\u00fd pod stratosf\u00e9rick\u00fdm bal\u00f3nem, kter\u00fd bude data znovu p\u0159en\u00e1\u0161et na Zemi, ale ne stejnou cestou skrze satelit, n\u00fdbr\u017e r\u00e1diov\u00fdm kan\u00e1lem. T\u00edmto zp\u016fsobem budeme v\u011bd\u011bt, \u017ee server skute\u010dn\u011b p\u0159ij\u00edm\u00e1 data a \u017ee m\u016f\u017ee poskytovat internet ze stratosf\u00e9ry. Tak\u00e9 budeme schopni vypo\u010d\u00edtat procento ztracen\u00fdch informac\u00ed \u201ena trase\u201c. Na t\u00e9\u017ee landing page bude zobrazena mapa letu stratosf\u00e9rick\u00e9ho bal\u00f3nu, na kter\u00e9 budou ozna\u010deny body p\u0159\u00edjmu ka\u017ed\u00e9 va\u0161\u00ed zpr\u00e1vy. To znamen\u00e1, \u017ee budete moci sledovat trasu a v\u00fd\u0161ku \u201eobla\u010dn\u00e9ho serveru\u201c v re\u00e1ln\u00e9m \u010dase.<\/p>\n

A pro ty, kdo tomu st\u00e1le nev\u011b\u0159\u00ed, kte\u0159\u00ed \u0159\u00edkaj\u00ed, \u017ee to je v\u0161echno podvod, nainstalujeme na palubu malou obrazovku, na kter\u00e9 se na HTML str\u00e1nce budou zobrazovat v\u0161echny zpr\u00e1vy, kter\u00e9 jsme od v\u00e1s obdr\u017eeli. Obrazovku bude sn\u00edmat kamera, kter\u00e1 zachyt\u00ed i \u010d\u00e1st horizontu. Chceme vys\u00edlat videosign\u00e1l r\u00e1diov\u00fdm kan\u00e1lem, ale je tu jeden h\u00e1\u010dek: pokud bude dobr\u00e9 po\u010das\u00ed, video by m\u011blo doputovat na zem b\u011bhem v\u011bt\u0161iny letu stratosf\u00e9rick\u00e9ho bal\u00f3nu, na 70-100 km. P\u0159i zata\u017een\u00e9 obloze m\u016f\u017ee dosah p\u0159enosu klesnout na asi 20 km. Ale v ka\u017ed\u00e9m p\u0159\u00edpad\u011b, video bude nahr\u00e1v\u00e1no a my ho zve\u0159ejn\u00edme pot\u00e9, co najdeme fallen stratosf\u00e9rick\u00fd bal\u00f3n. Mimochodem, hledat ho budeme podle sign\u00e1lu palubn\u00edho GPS za\u0159\u00edzen\u00ed. Podle statistik server p\u0159istane v okruhu 150 km od m\u00edsta startu.<\/p>\n

Brzy v\u00e1m podrobn\u011b vysv\u011btl\u00edme, jak bude uspo\u0159\u00e1d\u00e1na v\u00fdbava u\u017eite\u010dn\u00e9ho zat\u00ed\u017een\u00ed stratosf\u00e9rick\u00e9ho bal\u00f3nu a jak to v\u0161e bude spolupracovat. A z\u00e1rove\u0148 odhal\u00edme n\u011bkolik zaj\u00edmav\u00fdch podrobnost\u00ed projektu souvisej\u00edc\u00edch s vesm\u00edrem. <\/p>\n

Aby v\u00e1s bavilo sledovat projekt stejn\u011b jako v lo\u0148sk\u00e9m roce, vymysleli jsme sout\u011b\u017e, ve kter\u00e9 mus\u00edte ur\u010dit m\u00edsto p\u0159ist\u00e1n\u00ed serveru. V\u00edt\u011bz, kter\u00fd nejp\u0159esn\u011bji uhodne m\u00edsto p\u0159ist\u00e1n\u00ed, se m\u016f\u017ee jet pod\u00edvat na Bajkonur na start pilotovan\u00e9ho plavidla \u201eSojuz MS-13\u201c 6. \u010dervence, cena za druh\u00e9 m\u00edsto je certifik\u00e1t na cestu od na\u0161ich p\u0159\u00e1tel z Tutu.ru. Dal\u0161\u00edch dvacet \u00fa\u010dastn\u00edk\u016f se m\u016f\u017ee z\u00fa\u010dastnit skupinov\u00e9 exkurze do Hv\u011bzdn\u00e9ho m\u011bste\u010dka v kv\u011btnu. Podrobnosti na webu sout\u011b\u017ee<\/a><\/noindex>.<\/p>\n

Sledujte novinky v 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 oblac\u00edch 2.0. 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