{"id":54471,"date":"2019-12-27T00:00:00","date_gmt":"2019-12-26T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/chto-pochitat-na-prazdnikah"},"modified":"2020-02-18T14:02:29","modified_gmt":"2020-02-18T11:02:29","slug":"chto-pochitat-na-prazdnikah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/chto-pochitat-na-prazdnikah","title":{"rendered":"Co \u010d\u00edst o sv\u00e1tc\u00edch","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Co
\n
\nDlouh\u00e9 sv\u00e1tky jsou p\u0159ed n\u00e1mi, a to znamen\u00e1, \u017ee bude \u010das vr\u00e1tit se k z\u00e1lo\u017ek\u00e1m v Read later nebo si je\u0161t\u011b jednou p\u0159e\u010d\u00edst d\u016fle\u017eit\u00e9 \u010dl\u00e1nky uplynul\u00e9ho roku. V tomto p\u0159\u00edsp\u011bvku jsme shrom\u00e1\u017edili a p\u0159ipravili pro v\u00e1s seznam nejzaj\u00edmav\u011bj\u0161\u00edch materi\u00e1l\u016f z na\u0161eho blogu za rok 2019 a douf\u00e1me, \u017ee v\u00e1m budou u\u017eite\u010dn\u00e9.<\/p>\n

Minul\u00fd rok byl zaj\u00edmav\u00fd a pln\u00fd ud\u00e1lost\u00ed: nov\u00e9 technologie, nov\u00e9 rychlosti a nov\u00e9 profesn\u00ed v\u00fdzvy. Abychom pomohli na\u0161im \u010dten\u00e1\u0159\u016fm dr\u017eet krok s pokrokem, sna\u017eili jsme se co nejrychleji informovat o v\u0161ech kl\u00ed\u010dov\u00fdch ud\u00e1lostech v na\u0161em oboru na na\u0161em blogu. V tom n\u00e1m aktivn\u011b pom\u00e1hali na\u0161i in\u017een\u00fd\u0159i a testova\u010di, kte\u0159\u00ed zkou\u0161eli nov\u00e9 hardwarov\u00e9 a softwarov\u00e9 produkty na vlastn\u00ed k\u016f\u017ei. Ve\u0161ker\u00e9 shrom\u00e1\u017ed\u011bn\u00e9 informace se nakonec systematizovaly a p\u0159etvo\u0159ily se na \u010dl\u00e1nky pro v\u00fdvoj\u00e1\u0159e, in\u017een\u00fdry, sysadminy a dal\u0161\u00ed technick\u00e9 specialisty. Jsme r\u00e1di, \u017ee se s v\u00e1mi m\u016f\u017eeme pod\u011blit o na\u0161e vlastn\u00ed zku\u0161enosti, a douf\u00e1me, \u017ee se n\u00e1m alespo\u0148 ob\u010das poda\u0159ilo pomoci v\u00e1m ud\u011blat spr\u00e1vnou volbu a u\u0161et\u0159it v\u00e1m \u010das. D\u011bkujeme, \u017ee jste s n\u00e1mi!
\n<\/a><\/noindex><\/p>\n

Pro v\u00fdvoj\u00e1\u0159e<\/h2>\n

<\/p>\n

Serverless po stojan\u00edc\u00edch<\/h3>\n

\n\"Co
\n
\nServerless nen\u00ed o fyzick\u00e9 absenci server\u016f. Nen\u00ed to 'zabij\u00e1k' kontejner\u016f a nen\u00ed to p\u0159echodn\u00fd trend. Je to nov\u00fd p\u0159\u00edstup k budov\u00e1n\u00ed syst\u00e9m\u016f v cloudu. V dne\u0161n\u00edm \u010dl\u00e1nku se dotkneme architektury Serverless aplikac\u00ed, pod\u00edv\u00e1me se, jakou roli hraje poskytovatel Serverless slu\u017eeb a open-source projekty. Na z\u00e1v\u011br se budeme zab\u00fdvat ot\u00e1zkami aplikace Serverless.<\/p>\n

\u010c\u00edst \u010dl\u00e1nek<\/a><\/noindex><\/p>\n

Implementace u\u017eivatelsk\u00e9ho rozhran\u00ed OpenStack LBaaS<\/h3>\n

\n\"Co
\n
\nOd autora: \u201eP\u0159i realizaci u\u017eivatelsk\u00e9ho rozhran\u00ed pro vyva\u017eova\u010d zat\u00ed\u017een\u00ed virtu\u00e1ln\u00edho priv\u00e1tn\u00edho cloudu jsem narazil na zna\u010dn\u00e9 obt\u00ed\u017ee. To m\u011b p\u0159ivedlo k \u00favah\u00e1m o roli front-endu, o co\u017e se chci jako prvn\u00ed pod\u011blit.\u201c<\/p>\n

\u010c\u00edst \u010dl\u00e1nek<\/a><\/noindex><\/p>\n

Pro syst\u00e9mov\u00e9 administr\u00e1tory<\/h2>\n

<\/p>\n

Od vysok\u00e9 latence Ceph k j\u00e1drov\u00e9mu patchi pomoc\u00ed eBPF\/BCC<\/h3>\n

\n\"Co
\n
\nV Linuxu existuje mnoho n\u00e1stroj\u016f pro lad\u011bn\u00ed j\u00e1dra a aplikac\u00ed. V\u011bt\u0161ina z nich negativn\u011b ovliv\u0148uje v\u00fdkon aplikac\u00ed a nem\u016f\u017ee b\u00fdt pou\u017eita v produkci.<\/p>\n

P\u0159ed p\u00e1r lety byl vyvinut dal\u0161\u00ed n\u00e1stroj \u2014 eBPF. Ten umo\u017e\u0148uje sledovat j\u00e1dro a u\u017eivatelsk\u00e9 aplikace s n\u00edzk\u00fdm overheadem a bez nutnosti p\u0159ekompilace program\u016f a na\u010d\u00edt\u00e1n\u00ed extern\u00edch modul\u016f do j\u00e1dra.<\/p>\n

\u010c\u00edst \u010dl\u00e1nek<\/a><\/noindex><\/p>\n

IP-KVM p\u0159es QEMU<\/h3>\n

\n\"Co
\n
\nOdstran\u011bn\u00ed probl\u00e9m\u016f p\u0159i na\u010d\u00edt\u00e1n\u00ed opera\u010dn\u00edho syst\u00e9mu na serverech bez KVM je n\u00e1ro\u010dn\u00fd \u00fakol. Vytv\u00e1\u0159\u00edme si KVM-over-IP pomoc\u00ed obnovovac\u00edho obrazu a virtu\u00e1ln\u00edho stroje.<\/p>\n

V p\u0159\u00edpad\u011b probl\u00e9m\u016f s opera\u010dn\u00edm syst\u00e9mem na vzd\u00e1len\u00e9m serveru administr\u00e1tor na\u010dte obnovovac\u00ed obraz a provede pot\u0159ebn\u00e9 \u00fakony. Tento postup v\u00fdborn\u011b funguje, kdy\u017e je p\u0159\u00ed\u010dina chyby zn\u00e1ma a obnovovac\u00ed obraz a nainstalovan\u00fd opera\u010dn\u00ed syst\u00e9m na serveru poch\u00e1zej\u00ed ze stejn\u00e9 rodiny. Pokud p\u0159\u00ed\u010dina chyby je\u0161t\u011b nen\u00ed zn\u00e1ma, je nutn\u00e9 sledovat pr\u016fb\u011bh na\u010d\u00edt\u00e1n\u00ed opera\u010dn\u00edho syst\u00e9mu.<\/p>\n

\u010c\u00edst \u010dl\u00e1nek<\/a><\/noindex><\/p>\n

Pro milovn\u00edky \"hardware\"<\/h2>\n

<\/p>\n

P\u0159edstavujeme nov\u00e9 procesory Intel<\/h3>\n

\n\"Co
\n
\n02.04.2019, spole\u010dnost Intel ozn\u00e1mila dlouho o\u010dek\u00e1vanou aktualizaci procesor\u016f rodiny Intel\u00ae Xeon\u00ae Scalable Processors, kter\u00e1 byla p\u0159edstavena v polovin\u011b roku 2017. Nov\u00e9 procesory se zakl\u00e1daj\u00ed na mikroarchitektu\u0159e kryt\u00e9 k\u00f3dov\u00fdm n\u00e1zvem Cascade Lake a jsou postaveny na vylep\u0161en\u00e9m 14-nm technologick\u00e9m procesu.<\/p>\n

\u010c\u00edst \u010dl\u00e1nek<\/a><\/noindex><\/p>\n

Z Neapole do \u0158\u00edma: nov\u00e9 CPU AMD EPYC<\/h3>\n

\n\"Co
\n
\nDne 7. srpna byl ozn\u00e1men sv\u011btov\u00fd start prodeje druh\u00e9 generace \u0159ady AMD EPYC\u2122. Nov\u00e9 procesory jsou zalo\u017eeny na mikroarchitektu\u0159e Zen 2<\/strong> a jsou postaveny na 7-nm technologick\u00e9m procesu.<\/p>\n

\u010c\u00edst \u010dl\u00e1nek<\/a><\/noindex><\/p>\n

Na z\u00e1v\u011br<\/h2>\n

\nDouf\u00e1me, \u017ee se v\u00e1m na\u0161e \u010dl\u00e1nky l\u00edbily, a v p\u0159\u00ed\u0161t\u00edm roce se pokus\u00edme p\u0159in\u00e9st mnoho zaj\u00edmav\u00fdch t\u00e9mat a informovat o nejnov\u011bj\u0161\u00edch novink\u00e1ch. <\/p>\n

V\u0161em na\u0161im \u010dten\u00e1\u0159\u016fm p\u0159ejeme \u0161\u0165astn\u00fd Nov\u00fd rok a \u00fasp\u011bch p\u0159i dosahov\u00e1n\u00ed stanoven\u00fdch c\u00edl\u016f a st\u00e1l\u00fd profesn\u00ed r\u016fst!<\/p>\n

V koment\u00e1\u0159\u00edch m\u016f\u017eete navz\u00e1jem poblahop\u0159\u00e1t, pop\u0159\u00e1t n\u00e1m a samoz\u0159ejm\u011b napsat, o \u010dem byste cht\u011bli \u010d\u00edst p\u0159\u00ed\u0161t\u00ed rok v na\u0161em blogu \ud83d\ude42
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043b\u0438\u043d\u043d\u044b\u0435 \u043f\u0440\u0430\u0437\u0434\u043d\u0438\u043a\u0438 \u0432\u043f\u0435\u0440\u0435\u0434\u0438, \u0430 \u044d\u0442\u043e \u0437\u043d\u0430\u0447\u0438\u0442, \u0447\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0432\u0435\u0440\u043d\u0443\u0442\u044c\u0441\u044f \u043a \u0437\u0430\u043a\u043b\u0430\u0434\u043a\u0430\u043c \u0432 Read later \u0438\u043b\u0438 \u0435\u0449\u0435 \u0440\u0430\u0437 \u043f\u0435\u0440\u0435\u0447\u0438\u0442\u0430\u0442\u044c \u0432\u0430\u0436\u043d\u044b\u0435 \u0441\u0442\u0430\u0442\u044c\u0438 \u0443\u0445\u043e\u0434\u044f\u0449\u0435\u0433\u043e \u0433\u043e\u0434\u0430. \u0412 \u044d\u0442\u043e\u043c \u043f\u043e\u0441\u0442\u0435 \u043c\u044b \u0441\u043e\u0431\u0440\u0430\u043b\u0438 \u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 \u0434\u043b\u044f \u0432\u0430\u0441 \u0441\u043f\u0438\u0441\u043e\u043a \u0438\u0437 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