{"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\/sv\/blog\/news\/chto-pochitat-na-prazdnikah","title":{"rendered":"Vad att l\u00e4sa under helgdagarna","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Vad att l\u00e4sa under helgdagarna\" src=\"\/wp-content\/uploads\/2019\/12\/9be5495efa94d6adbdef1e0ef673c0e3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nL\u00e5nga helger v\u00e4ntar, vilket betyder att det finns tid att \u00e5terv\u00e4nda till bokm\u00e4rkena i Read later eller l\u00e4sa viktiga artiklar fr\u00e5n det g\u00e5ngna \u00e5ret en g\u00e5ng till. I det h\u00e4r inl\u00e4gget har vi sammanst\u00e4llt och f\u00f6rberett en lista med de mest intressanta materialen fr\u00e5n v\u00e5r blogg f\u00f6r 2019 och vi hoppas att de kommer att vara till nytta f\u00f6r er.<\/p>\n<p>Det g\u00e5ngna \u00e5ret har varit intressant och h\u00e4ndelserikt: nya teknologier, nya hastigheter och nya professionella utmaningar. F\u00f6r att hj\u00e4lpa v\u00e5ra l\u00e4sare att h\u00e5lla j\u00e4mna steg med utvecklingen str\u00e4vade vi efter att s\u00e5 snabbt som m\u00f6jligt rapportera om alla viktiga h\u00e4ndelser i branschen p\u00e5 v\u00e5r blogg. V\u00e5ra ingenj\u00f6rer och testare har aktivt bidragit till detta genom att p\u00e5 egen erfarenhet pr\u00f6va nya h\u00e5rdvaror och programvaror. All information som samlades blev systematiserad och omvandlades till artiklar f\u00f6r utvecklare, ingenj\u00f6rer, systemadministrat\u00f6rer och andra tekniska specialister. Vi \u00e4r glada att dela med oss av v\u00e5r egen erfarenhet och hoppas att vi \u00e5tminstone ibland har lyckats hj\u00e4lpa er att g\u00f6ra r\u00e4tt val och spara er tid. Tack f\u00f6r att ni \u00e4r med oss!<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>F\u00f6r utvecklare<\/h2>\n<p><\/p>\n<h3>Serverless i stycken<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Vad att l\u00e4sa under helgdagarna\" src=\"\/wp-content\/uploads\/2019\/12\/35b21130eb46f1b139c2fde0d713424b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nServerless handlar inte om bristen p\u00e5 fysiska servrar. Det \u00e4r inte en \"m\u00f6rdare\" av containrar eller en tillf\u00e4llig trend. Det \u00e4r ett nytt tillv\u00e4gag\u00e5ngss\u00e4tt f\u00f6r att bygga system i molnet. I dagens artikel kommer vi att ber\u00f6ra arkitekturen f\u00f6r Serverless-appar, se vilken roll leverant\u00f6ren av Serverless-tj\u00e4nster spelar och open-source-projekt. I slutet kommer vi att diskutera fr\u00e5gor kring anv\u00e4ndning av Serverless.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/selectel\/blog\/452266\/\">L\u00e4s artikeln<\/a><\/noindex><\/p>\n<h3>Implementering av anv\u00e4ndargr\u00e4nssnitt f\u00f6r OpenStack LBaaS<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Vad att l\u00e4sa under helgdagarna\" src=\"\/wp-content\/uploads\/2019\/12\/a91e8b96a86da16b639b6c2c94a47290.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nFr\u00e5n f\u00f6rfattaren: \"Vid implementeringen av anv\u00e4ndargr\u00e4nssnittet f\u00f6r belastningsbalanseraren i det virtuella privata molnet st\u00f6tte jag p\u00e5 betydande sv\u00e5righeter. Detta ledde mig till att reflektera \u00f6ver frontendens roll, vilket jag vill dela med mig av f\u00f6rst.\"<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/selectel\/blog\/455523\/\">L\u00e4s artikeln<\/a><\/noindex><\/p>\n<h2>F\u00f6r systemadministrat\u00f6rer<\/h2>\n<p><\/p>\n<h3>Fr\u00e5n High Ceph Latency till Kernel Patch med hj\u00e4lp av eBPF\/BCC<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Vad att l\u00e4sa under helgdagarna\" src=\"\/wp-content\/uploads\/2019\/12\/b947f3430ec5a256393975d7270a403e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDet finns m\u00e5nga verktyg f\u00f6r att debugga k\u00e4rnor och applikationer i Linux. De flesta av dem p\u00e5verkar applikationers prestanda negativt och kan inte anv\u00e4ndas i produktion.<\/p>\n<p>F\u00f6r ett par \u00e5r sedan utvecklades ett annat verktyg \u2014 eBPF. Det m\u00f6jligg\u00f6r sp\u00e5rning av k\u00e4rnan och anv\u00e4ndarapplikationer med l\u00e5g overhead och utan behov av att \u00e5terkompilera program eller ladda tredjepartsmoduler i k\u00e4rnan.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/selectel\/blog\/458592\/\">L\u00e4s artikeln<\/a><\/noindex><\/p>\n<h3>IP-KVM via QEMU<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Vad att l\u00e4sa under helgdagarna\" src=\"\/wp-content\/uploads\/2019\/12\/56f520342950206e3b391c74c57587b1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nFels\u00f6kning av operativsystemets uppstart p\u00e5 servrar utan KVM \u00e4r en utmaning. Vi skapar KVM-over-IP via en \u00e5terst\u00e4llningsavbildning och en virtuell maskin.<\/p>\n<p>Vid problem med operativsystemet p\u00e5 den fj\u00e4rrservern laddar administrat\u00f6ren ner en \u00e5terst\u00e4llningsbild och utf\u00f6r n\u00f6dv\u00e4ndiga \u00e5tg\u00e4rder. Denna metod fungerar utm\u00e4rkt n\u00e4r orsaken till kraschen \u00e4r k\u00e4nd, och \u00e5terst\u00e4llningsbilden samt det installerade operativsystemet p\u00e5 servern kommer fr\u00e5n samma familj. Om orsaken till kraschen fortfarande \u00e4r ok\u00e4nd, beh\u00f6ver man \u00f6vervaka starten av operativsystemet.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/selectel\/blog\/464565\/\">L\u00e4s artikeln<\/a><\/noindex><\/p>\n<h2>F\u00f6r entusiaster av \"h\u00e5rdvara\"<\/h2>\n<p><\/p>\n<h3>Vi presenterar nya Intel-processorer<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Vad att l\u00e4sa under helgdagarna\" src=\"\/wp-content\/uploads\/2019\/12\/5cb690dc1cc506f31a64b7d9bb517817.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDen 02.04.2019 tillk\u00e4nnagav Intel-koncernen en efterl\u00e4ngtad uppdatering av processorerna i familjen Intel\u00ae Xeon\u00ae Scalable Processors, som f\u00f6rst presenterades i mitten av 2017. De nya processorerna bygger p\u00e5 mikroarkitekturen med kodnamnet Cascade Lake och tillverkas med en f\u00f6rb\u00e4ttrad 14-nm teknik.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/selectel\/blog\/446494\/\">L\u00e4s artikeln<\/a><\/noindex><\/p>\n<h3>Fr\u00e5n Neapel till Rom: nya CPU:er AMD EPYC<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Vad att l\u00e4sa under helgdagarna\" src=\"\/wp-content\/uploads\/2019\/12\/a2daad5b32a2bc2c3578dd60a8d9fa64.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDen 7 augusti tillk\u00e4nnagavs den globala starten av f\u00f6rs\u00e4ljningen av andra generationens AMD EPYC\u2122-serie. De nya processorerna bygger p\u00e5 mikroarkitekturen <strong>Zen 2<\/strong> och tillverkas med en 7-nm teknik.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/selectel\/blog\/463401\/\">L\u00e4s artikeln<\/a><\/noindex><\/p>\n<h2>Avslutande<\/h2>\n<p>\nVi hoppas att ni har gillat v\u00e5ra artiklar, och att vi n\u00e4sta \u00e5r kommer att ta upp \u00e4nnu fler intressanta \u00e4mnen och ber\u00e4tta om de mest imponerande nyheterna. <\/p>\n<p>Vi gratulerar alla v\u00e5ra l\u00e4sare till det kommande Ny\u00e5ret och \u00f6nskar er att n\u00e5 era m\u00e5l och konstant professionell tillv\u00e4xt!<\/p>\n<p>I kommentarsf\u00e4ltet kan ni gratulera varandra, oss och sj\u00e4lvklart skriva om vad ni skulle vilja l\u00e4sa om n\u00e4sta \u00e5r i v\u00e5r blogg \ud83d\ude42<br \/>\n<br \/>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/selectel\/blog\/482084\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 \u0441\u0430\u043c\u044b\u0445 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0445 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432 \u0438\u0437 \u043d\u0430\u0448\u0435\u0433\u043e \u0431\u043b\u043e\u0433\u0430 \u0437\u0430 2019 \u0433\u043e\u0434 \u0438 \u043d\u0430\u0434\u0435\u0435\u043c\u0441\u044f, \u0447\u0442\u043e \u043e\u043d\u0438 \u0431\u0443\u0434\u0443\u0442 \u0432\u0430\u043c \u043f\u043e\u043b\u0435\u0437\u043d\u044b. \u041f\u0440\u043e\u0448\u0435\u0434\u0448\u0438\u0439 \u0433\u043e\u0434 \u0431\u044b\u043b \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u043c \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-54471","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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