{"id":36602,"date":"2019-10-31T22:12:37","date_gmt":"2019-10-31T19:12:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/epos-o-sistemnyh-administratorah-kak-vymirayushhem-vide\/"},"modified":"2019-10-31T22:12:37","modified_gmt":"2019-10-31T19:12:37","slug":"epos-o-sistemnyh-administratorah-kak-vymirayushhem-vide","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/epos-o-sistemnyh-administratorah-kak-vymirayushhem-vide","title":{"rendered":"L'epopea degli amministratori di sistema come specie in via d'estinzione","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Amministratori di sistema di tutto il mondo, vi congratuliamo per la vostra festa professionale!<\/p>\n<p>Non ci sono pi\u00f9 amministratori di sistema tra di noi (beh, quasi). Tuttavia, la leggenda che parla di loro \u00e8 ancora viva. In occasione della festivit\u00e0, abbiamo preparato questa epica. Mettetevi comodi, cari lettori.<\/p>\n<p><img decoding=\"async\" alt=\"L&#039;epopea degli amministratori di sistema come specie in via d&#039;estinzione\" src=\"\/wp-content\/uploads\/2019\/07\/33498c7af4e84e087ab11e3725131011.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nC'era una volta un mondo Dodo IS in fiamme. In quel periodo oscuro, l'obiettivo principale dei nostri amministratori di sistema era sopravvivere un giorno in pi\u00f9 senza piangere. <\/p>\n<p>Tanto tempo fa, i programmatori scrivevano codice poco e lentamente e pubblicavano in produzione solo una volta alla settimana. Cos\u00ec i problemi si presentavano solo una volta ogni sette giorni. Ma poi iniziarono a scrivere pi\u00f9 codice e a pubblicarlo pi\u00f9 spesso, i problemi iniziarono a crescere, a volte tutto si sgretolava, e il ripristino diventava pi\u00f9 difficile. Gli amministratori di sistema soffrivano, ma tolleravano questo caos. <\/p>\n<p>La sera sedevano a casa con ansia nel cuore. E ogni volta accadeva: \"non era mai successo, e ora il monitoraggio invia un segnale di aiuto: Ehi, il mondo \u00e8 in fiamme!\". Allora i nostri sysadmin indossavano i loro mantelli rossi, i calzoni sopra i leggings, si arricciavano il ciuffo e volavano a salvare il mondo Dodo. <\/p>\n<p>Attenzione, una piccola precisazione. Non ci sono mai stati negli Dodo IS amministratori di sistema classici che si occupano dell'hardware. Noi abbiamo sempre avuto esperti nel cloud di Azure. <\/p>\n<p>Ma cosa facevano:<\/p>\n<ul>\n<li>se qualcosa si rompeva, trovavano il modo di ripararlo;<\/li>\n<li>gestivano i server a un livello esperto;<\/li>\n<li>si occupavano della rete virtuale in Azure; <\/li>\n<li>era responsabile di aspetti di basso livello, come le interazioni tra i componenti (*sussurrando* a volte non capivano assolutamente nulla);<\/li>\n<li>riconnessi dei server;<\/li>\n<li>e molto altro ancora di incredibile.<\/li>\n<\/ul>\n<p>\nLa vita del team di ingegneri dell'infrastruttura (cos\u00ec chiamavamo i nostri amministratori di sistema) era fatta di spegnimento incendi e di test che si rompevano in continuazione. Vivevano nel terrore e poi decisero di riflettere: cosa c'\u00e8 che non va, e se provassimo a fare meglio? Per esempio, perch\u00e9 non dividere le persone in programmatori e amministratori di sistema?<\/p>\n<h2>Il compito <\/h2>\n<p>\n<b>Dati:<\/b> c'\u00e8 un amministratore di sistema, la cui responsabilit\u00e0 include i server, la rete che lo collega ad altri server, le applicazioni di livello infrastrutturale (il server web che ospita l'applicazione, il sistema di gestione dei database, ecc.). E c'\u00e8 un programmatore, la cui responsabilit\u00e0 \u00e8 il codice funzionante. <\/p>\n<p>Ma ci sono cose che si trovano a cavallo. Di chi \u00e8 la responsabilit\u00e0? <\/p>\n<p>Di solito, proprio a questo confine si incontravano i nostri amministratori di sistema e programmatori e cominciava: <\/p>\n<p>\u2013 Ragazzi, non funziona niente, sar\u00e0 colpa dell'infrastruttura.<br \/>\n\u2013 Ragazzi, no, \u00e8 colpa del codice. <\/p>\n<p>Un giorno, in quel momento fra loro, cominci\u00f2 a crescere un muro, oltre il quale si lanciavano felicemente escrementi. I compiti, come escrementi, venivano passati da un lato all'altro del muro. Nessuno, per\u00f2, si avvicinava alla risoluzione della situazione. Faccia triste.<\/p>\n<p>Un raggio di sole attravers\u00f2 il cielo nuvoloso, quando alcuni anni fa Google ide\u00f2 di non scambiarsi pi\u00f9 compiti, ma di fare invece un lavoro comune. <\/p>\n<h2>E se descrivessimo tutto come codice? <\/h2>\n<p>\nNel 2016, Google pubblic\u00f2 un libretto intitolato \"Site Reliability Engineering\" sulla trasformazione del ruolo dell'amministratore di sistema: da maestro della magia a un approccio ingegneristico formalizzato nell'uso del software e nell'automazione. Hanno attraversato tutte le spine e ostacoli, hanno affinato le loro competenze e hanno deciso di condividerle con il mondo. Il libro \u00e8 disponibile gratuitamente. <noindex><a rel=\"nofollow\" href=\"https:\/\/landing.google.com\/sre\/books\/\">qui<\/a><\/noindex>. <\/p>\n<p>Nel libro sono contenute verit\u00e0 semplici: <\/p>\n<ul>\n<li>fare tutto come codice \u00e8 buono;<\/li>\n<li>usare un approccio ingegneristico \u00e8 buono;<\/li>\n<li>fare un buon monitoraggio \u00e8 fondamentale;<\/li>\n<li>non permettere a un servizio di andare in produzione senza un logging e monitoraggio chiari \u00e8 altrettanto importante. <\/li>\n<\/ul>\n<p>\nQueste pratiche sono state condivise dal nostro Gleb (<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/users\/entropy\/\" class=\"user_link\">entropy<\/a><\/noindex>), e si va avanti. Stiamo implementando! Attualmente ci troviamo in una fase di transizione. Il team SRE \u00e8 stato formato (ci sono 6 specialisti pronti, altri 6 sono in onboarding) e pronti a cambiare in meglio il mondo composto interamente di codice.<\/p>\n<p>Stiamo costruendo la nostra infrastruttura in modo che i programmatori possano gestire autonomamente i propri ambienti e collaborare con SRE.<\/p>\n<h2>Fattiamo invece di concludere<\/h2>\n<p>\nL'amministratore di sistema \u00e8 una professione dignitosa. Ma oltre alle conoscenze sistemiche, sono necessarie anche ottime competenze in software engineering. <\/p>\n<p>I sistemi stanno diventando sempre pi\u00f9 semplici e le conoscenze super specializzate nella gestione di server fisici stanno diventando meno richieste ogni anno. Le tecnologie cloud stanno rendendo superflue queste conoscenze.<\/p>\n<p>Un buon sysadmin nel prossimo futuro dovr\u00e0 possedere buone competenze in software engineering. E sarebbe ancora meglio se avesse delle buone competenze in questo campo.<\/p>\n<p>Nessuno \u00e8 in grado di prevedere il futuro fino a quando non si presenta, ma riteniamo che nel tempo ci saranno sempre meno aziende disposte ad aumentare indefinitamente il personale degli amministratori di sistema. Anche se, naturalmente, ci saranno sempre appassionati. Oggi in pochi utilizzano le carrozze trainate da cavalli, la maggior parte delle persone guida automobili, anche se ci sono dei fan\u2026 <\/p>\n<p>Buona giornata del sysadmin a tutti, a tutto il codice!<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dodopizzaio\/blog\/461447\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0435 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u044b \u0432\u0441\u0435\u0433\u043e \u043c\u0438\u0440\u0430, \u043f\u043e\u0437\u0434\u0440\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u0430\u0441 \u0441 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u043f\u0440\u0430\u0437\u0434\u043d\u0438\u043a\u043e\u043c! \u0423 \u043d\u0430\u0441 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u043d\u0435 \u043e\u0441\u0442\u0430\u043b\u043e\u0441\u044c (\u043d\u0443 \u043f\u043e\u0447\u0442\u0438). \u041e\u0434\u043d\u0430\u043a\u043e \u043f\u0440\u0435\u0434\u0430\u043d\u0438\u0435 \u043e \u043d\u0438\u0445 \u0435\u0449\u0435 \u0441\u0432\u0435\u0436\u043e. \u0412 \u0447\u0435\u0441\u0442\u044c \u043f\u0440\u0430\u0437\u0434\u043d\u0438\u043a\u0430 \u043c\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 \u044d\u0442\u043e\u0442 \u044d\u043f\u043e\u0441. \u0423\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0439\u0442\u0435\u0441\u044c \u043f\u043e\u0443\u0434\u043e\u0431\u043d\u0435\u0439, \u0434\u043e\u0440\u043e\u0433\u0438\u0435 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438. Once upon a time \u043c\u0438\u0440 Dodo IS \u0431\u044b\u043b \u0432 \u043e\u0433\u043d\u0435. \u0412 \u0442\u043e \u0442\u0451\u043c\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0433\u043b\u0430\u0432\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439 \u043d\u0430\u0448\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u0431\u044b\u043b\u043e \u043f\u0435\u0440\u0435\u0436\u0438\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27407,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-36602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0435 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u044b \u0432\u0441\u0435\u0433\u043e \u043c\u0438\u0440\u0430, \u043f\u043e\u0437\u0434\u0440\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u0430\u0441 \u0441 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u043f\u0440\u0430\u0437\u0434\u043d\u0438\u043a\u043e\u043c! \u0423 \u043d\u0430\u0441 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u043d\u0435 \u043e\u0441\u0442\u0430\u043b\u043e\u0441\u044c (\u043d\u0443 \u043f\u043e\u0447\u0442\u0438). \u041e\u0434\u043d\u0430\u043a\u043e \u043f\u0440\u0435\u0434\u0430\u043d\u0438\u0435 \u043e \u043d\u0438\u0445 \u0435\u0449\u0435 \u0441\u0432\u0435\u0436\u043e. \u0412 \u0447\u0435\u0441\u0442\u044c \u043f\u0440\u0430\u0437\u0434\u043d\u0438\u043a\u0430 \u043c\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 \u044d\u0442\u043e\u0442 \u044d\u043f\u043e\u0441. \u0423\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0439\u0442\u0435\u0441\u044c \u043f\u043e\u0443\u0434\u043e\u0431\u043d\u0435\u0439, \u0434\u043e\u0440\u043e\u0433\u0438\u0435 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438. Once upon a time \u043c\u0438\u0440 Dodo IS \u0431\u044b\u043b \u0432 \u043e\u0433\u043d\u0435. \u0412 \u0442\u043e \u0442\u0451\u043c\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0433\u043b\u0430\u0432\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439 \u043d\u0430\u0448\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u0431\u044b\u043b\u043e \u043f\u0435\u0440\u0435\u0436\u0438\u0442\u044c\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/epos-o-sistemnyh-administratorah-kak-vymirayushhem-vide\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"it_IT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u042d\u043f\u043e\u0441 \u043e \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430\u0445 \u043a\u0430\u043a \u0432\u044b\u043c\u0438\u0440\u0430\u044e\u0449\u0435\u043c \u0432\u0438\u0434\u0435 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0421\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0435 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u044b \u0432\u0441\u0435\u0433\u043e \u043c\u0438\u0440\u0430, \u043f\u043e\u0437\u0434\u0440\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u0430\u0441 \u0441 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u043f\u0440\u0430\u0437\u0434\u043d\u0438\u043a\u043e\u043c! \u0423 \u043d\u0430\u0441 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u043d\u0435 \u043e\u0441\u0442\u0430\u043b\u043e\u0441\u044c (\u043d\u0443 \u043f\u043e\u0447\u0442\u0438). \u041e\u0434\u043d\u0430\u043a\u043e \u043f\u0440\u0435\u0434\u0430\u043d\u0438\u0435 \u043e \u043d\u0438\u0445 \u0435\u0449\u0435 \u0441\u0432\u0435\u0436\u043e. \u0412 \u0447\u0435\u0441\u0442\u044c \u043f\u0440\u0430\u0437\u0434\u043d\u0438\u043a\u0430 \u043c\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 \u044d\u0442\u043e\u0442 \u044d\u043f\u043e\u0441. \u0423\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0439\u0442\u0435\u0441\u044c \u043f\u043e\u0443\u0434\u043e\u0431\u043d\u0435\u0439, \u0434\u043e\u0440\u043e\u0433\u0438\u0435 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438. Once upon a time \u043c\u0438\u0440 Dodo IS \u0431\u044b\u043b \u0432 \u043e\u0433\u043d\u0435. \u0412 \u0442\u043e \u0442\u0451\u043c\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0433\u043b\u0430\u0432\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439 \u043d\u0430\u0448\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u0431\u044b\u043b\u043e \u043f\u0435\u0440\u0435\u0436\u0438\u0442\u044c\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/epos-o-sistemnyh-administratorah-kak-vymirayushhem-vide\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T19:12:37+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T19:12:37+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47L'epopea degli amministratori di sistema come specie in via di estinzione | ProHoster","description":"Amministratori di sistema di tutto il mondo, congratulazioni per il vostro giorno professionale! Non abbiamo pi\u00f9 amministratori di sistema (beh, quasi). Tuttavia, la leggenda su di loro \u00e8 ancora viva. In onore di questa festa, abbiamo preparato questo epico racconto. Mettetevi comodi, cari lettori. C'era una volta un mondo Dodo IS in fiamme. 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