V sou\u010dasn\u00e9m obdob\u00ed \u201epreventivn\u00ed opatrnosti\u201c zosobn\u011bn\u00e9 se\u0161krt\u00e1v\u00e1n\u00edm IT rozpo\u010dt\u016f ve jm\u00e9nu ochrany p\u0159ed tzv. kriz\u00ed je na m\u00edst\u011b se zamyslet nad t\u00edm, zdali existuj\u00edc\u00ed technologie pou\u017e\u00edv\u00e1 firma opravdu tak, aby vyt\u011b\u017eila maximum jej\u00edch mo\u017enost\u00ed. <\/p>\n\n\n\n
D\u016fvody toho, pro\u010d le\u017e\u00ed ve spole\u010dnostech ladem \u010dasto \u0161pi\u010dkov\u00e9 technologie, jsou v podstat\u011b troj\u00ed:
1. Prost\u00e1 \u201eradost z IT\u201c. P\u0159iznejme si, \u017ee IT lid je hrav\u00fd a \u010dasto neodol\u00e1 l\u00e1kadlu v podob\u011b nov\u00e9 hra\u010dky (rozum\u011bj technologie:-), p\u0159esto\u017ee by st\u00e1vaj\u00edc\u00edmi prost\u0159edky dok\u00e1zal danou oblast z v\u011bt\u0161\u00ed \u010d\u00e1sti nebo i \u00fapln\u011b vy\u0159e\u0161it.
2. Dal\u0161\u00edm d\u016fvodem je, \u017ee n\u011bkde \u201ev \u0161upl\u00edku\u201c le\u017e\u00ed aplikace \u010di za\u0159\u00edzen\u00ed, kter\u00e9 znal n\u011bkdo, kdo ji\u017e ve spole\u010dnosti nepracuje a st\u00e1vaj\u00edc\u00ed person\u00e1l ani netu\u0161\u00ed, jak\u00e9 poklady vlastn\u00ed. Nebo prost\u011b st\u00e1vaj\u00edc\u00ed syst\u00e9my a technologie \u201en\u011bjak b\u011b\u017e\u00ed\u201e a nen\u00ed d\u016fvod se p\u00eddit po jejich detailn\u00edch vlastnotech a mo\u017enostech.
3. Neochota veden\u00ed firmy uvolnit IT ruce natolik, aby krom\u011b b\u011b\u017en\u00e9 operativy zvl\u00e1dalo i d\u016fkladn\u00e9 pozn\u00e1n\u00ed nakoupen\u00fdch syst\u00e9m\u016f a jejich d\u016fsledn\u00e9 vyt\u011b\u017een\u00ed. <\/p>\n\n\n\n
Sou\u010dasn\u00fd stav \u0161et\u0159en\u00ed investic ve firm\u00e1ch je p\u0159\u00edle\u017eitost\u00ed prov\u00e9st d\u016fkladnou inveturu a porozhl\u00e9dnout se, jak\u00fd hardware a software firma vlastn\u011b m\u00e1. P\u0159edpokl\u00e1d\u00e1 to ov\u0161em podporu managementu, kter\u00e9mu je nutno vysv\u011btlit, \u017ee v t\u00e9to oblasti lze z\u00edskat \u201eza m\u00e1lo pen\u011bz hodn\u011b muziky\u201c. Ov\u0161em jen tehdy, pokud manegement nereaguje na st\u00e1vaj\u00edc\u00ed stav tak, \u017ee pro jistotu \u201eze\u0161t\u00edhl\u00ed\u201c po\u010det IT pracovn\u00edk\u016f ve firm\u011b. Dal\u0161\u00edmi kandid\u00e1ty na \u0159ad\u011b budou servery a koncov\u00e9 stanice. V mnoha p\u0159\u00edpadech se v podnic\u00edch nevyu\u017e\u00edv\u00e1 mo\u017enosti, kter\u00e9 pro sledov\u00e1n\u00ed a management stavu za\u0159\u00edzen\u00ed vlo\u017eil v\u00fdrobce. Krom\u011b ji\u017e zm\u00edn\u011bn\u00e9ho standardn\u00edho SNMP top m\u016f\u017ee b\u00fdt i n\u011bjak\u00e9 propriet\u00e1rn\u00ed \u0159e\u0161en\u00ed. Najednou tak t\u0159eba z\u00edsk\u00e1te p\u0159ehledn\u00fd monitoring stavu HW vybaven\u00ed server\u016f a stanic s v\u010dasnou v\u00fdstrahou ohledn\u011b potenci\u00e1ln\u011b i skute\u010dn\u011b kritick\u00fdch stavech. Je p\u0159ece lep\u0161\u00ed snadno zjistit, \u017ee na LAN adapt\u00e9ru se vyskytuje p\u0159\u00edli\u0161 velk\u00e9 mno\u017estv\u00ed chyb, ne\u017e hledat duchy v s\u00edti a zkoumat, pro\u010d n\u011bkter\u00e9 s\u00ed\u0165ov\u00e9 aplikace vykzauj\u00ed \u201edivn\u00e9 chov\u00e1n\u00ed\u201c. tot\u00e9\u017e bude platit o varov\u00e1n\u00ed o stavu disk\u016f, pam\u011bt\u00ed, teploty, atd. \u010casto firmy tyto mo\u017enosti maj\u00ed, jen je prost\u011b nepou\u017e\u00edvaj\u00ed, v hor\u0161\u00edm p\u0159\u00edpad\u011b nakupuj\u00ed \u0159e\u0161en\u00ed t\u0159et\u00edch stran na n\u011bco, co ji\u017e zaplatili v cen\u011b st\u00e1vaj\u00edc\u00ed technologie. P\u0159\u00edkladem m\u016f\u017ee b\u00fdt Insight Management u HP (vych\u00e1zej\u00edc\u00ed z p\u016fvodn\u00edho Compaq Insight Manageru), kter\u00fd dok\u00e1\u017ee monitorovat servery a stanice HP a informovat o stavu HW a p\u0159\u00edpadn\u00fdch poruch\u00e1ch. <\/p>\n\n\n\n Od hardware se pak p\u0159esuneme k opera\u010dn\u00edm syst\u00e9m\u016fm. I zde lze zjistit, \u017ee OS je \u010dasto pou\u017eit jako \u201eruntime\u201c prost\u0159ed\u00ed pro aplikace, ale jeho mo\u017enosti vlastn\u00ed diagnostiky chyb \u010di monitoringu stavu a v\u00fdkonu le\u017e\u00ed ladem. M\u016f\u017ee to b\u00fdt t\u0159eba pravideln\u00fd denn\u00ed report d\u016fle\u017eit\u00fdch ud\u00e1lost\u00ed t\u00fdkaj\u00edc\u00edch se bezpe\u010dnosti syst\u00e9mu, kter\u00fd pos\u00edl\u00e1 WatchDog na RedHat Enterprise Linuxu. Kolik u\u017eivatel\u016f RedHatu ho v\u016fbec zn\u00e1 a pou\u017e\u00edv\u00e1? Nebo dal\u0161\u00ed p\u0159\u00edklad, ve Windows 2000 a 2003 opom\u00edjen\u00fd a vysm\u00edvan\u00fd NT Backup, kter\u00fd nen\u00ed nic jin\u00e9ho ne\u017e Veritas BackupExec (by\u0165 v lite verzi). Iorni\u00ed je, kdy\u017e firma koup\u00ed pr\u00e1v\u011b komer\u010dn\u00ed verzi BackupExecu pro \u0159e\u0161en\u00ed toho, co vestav\u011bn\u00fd n\u00e1stroj zvl\u00e1dne t\u00e9\u017e. <\/p>\n\n\n\n Nad opera\u010dn\u00edm syst\u00e9mem je potom mo\u017eno si posv\u00edtit na aplika\u010dn\u00ed servery a aplikace samotn\u00e9. V mnoha p\u0159\u00edpadech op\u011bt p\u0159ekvapiv\u011b firma zjist\u00ed, \u017ee mnoho funkc\u00ed, kter\u00e9 \u201epostr\u00e1d\u00e1\u201c nebo jej\u00ed IT \u201ed\u011bl\u00e1 ru\u010dn\u011b\u201c, obsahuje samotn\u00e1 aplikace. P\u0159\u00edkladem mohou b\u00fdt online z\u00e1lohy datab\u00e1z\u00ed, kter\u00e9 sice prost\u0159edky datab\u00e1zov\u00e9ho serveru neb\u00fdvaj\u00ed komfortn\u00ed, ale v\u011bt\u0161inou posta\u010duj\u00edc\u00ed i bez n\u00e1kup\u016f n\u00e1stroj\u016f t\u0159et\u00edch stran. D\u00e1le to jsou r\u016fzn\u00e9 automatick\u00e9 monitoringy a reportingy stavu aplikac\u00ed, nap\u0159. v\u00fdborn\u00fd reporting u syst\u00e9mu z\u00e1lohov\u00e1n\u00ed IBM Tivoli Storage Manager. V\u011bt\u0161ina administr\u00e1tor\u016f ani nev\u00ed, \u017ee m\u016f\u017ee ka\u017ed\u00e9 r\u00e1no naj\u00edt v mailu p\u0159ehlednou sestavu o v\u00fdsledku z\u00e1loh a \u017ee tento reporting je v cen\u011b syst\u00e9mu TSM. I u dal\u0161\u00edch aplika\u010dn\u00edch server\u016f administr\u00e1to\u0159i pom\u00edjej\u00ed vlastnosti, kter\u00e9 jim mohou usnadnit \u017eivot. T\u0159eba u IBM Lotus Domino serveru vestav\u011bn\u00fd Domino Domain Monitoring, o n\u011bm\u017e velk\u00e1 \u010d\u00e1st spr\u00e1vc\u016f Domina netu\u0161\u00ed, \u017ee existuje a je sou\u010d\u00e1st\u00ed standardn\u00ed instalace serveru. Last, but not least…<\/strong> V sou\u010dasn\u00e9m obdob\u00ed \u201epreventivn\u00ed opatrnosti\u201c zosobn\u011bn\u00e9 se\u0161krt\u00e1v\u00e1n\u00edm IT rozpo\u010dt\u016f ve jm\u00e9nu ochrany p\u0159ed tzv. kriz\u00ed je na m\u00edst\u011b se zamyslet nad t\u00edm, zdali existuj\u00edc\u00ed technologie pou\u017e\u00edv\u00e1 firma opravdu tak, aby vyt\u011b\u017eila maximum jej\u00edch mo\u017enost\u00ed. D\u016fvody toho, pro\u010d le\u017e\u00ed ve spole\u010dnostech ladem \u010dasto \u0161pi\u010dkov\u00e9 technologie, jsou v podstat\u011b troj\u00ed: 1. Prost\u00e1 \u201eradost z […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[5],"tags":[],"class_list":["post-32","post","type-post","status-publish","format-standard","hentry","category-technologie","entry"],"yoast_head":"\n
Vymet\u00e1n\u00ed pavu\u010din<\/strong>
Prvn\u00edm krokem p\u0159i hled\u00e1n\u00ed rezerv ve st\u00e1vaj\u00edc\u00edm IT prost\u0159ed\u00ed je d\u016fkladn\u00e1 inventura. Je nutno se pod\u00edvat na aktu\u00e1ln\u011b pou\u017e\u00edvan\u00e9 technologie a odpov\u011bd\u011bt si na ot\u00e1zku, zdali u ka\u017ed\u00e9ho syst\u00e9mu dok\u00e1\u017eeme ur\u010dit praconv\u00edka, kter\u00fd ho dokonale zn\u00e1. \u201eDokonale zn\u00e1\u201c nen\u00ed rozhodn\u011b popis stavu, kdy spr\u00e1vce dok\u00e1\u017ee syst\u00e9m vypnout\/zapnout\/restartovat anebo nap\u0159. p\u0159idat\/odebrat\/zm\u011bnit u\u017eivatele. Pokud zjist\u00edme, \u017ee disponujeme pr\u00e1v\u011b takov\u00fdmi syst\u00e9my, je na m\u00edst\u011b se vr\u00e1tit zp\u011bt do doby n\u00e1kupu a p\u00eddit se po d\u016fvodech zakoupen\u00ed, materi\u00e1lech z prezentac\u00ed a origin\u00e1ln\u00edch manu\u00e1lech \u010di produktov\u00fdch str\u00e1nk\u00e1ch. Pro zjednodu\u0161en\u00ed je mo\u017eno samoz\u0159ejm\u011b oslovit p\u016fvodn\u00edho dodavatele a klidn\u011b si nechat odprezentovat mo\u017enosti dan\u00e9ho syst\u00e9mu od n\u011bj. To je p\u0159\u00edpad syst\u00e9m\u016f, kter\u00e9 jsou v provozu. Dal\u0161\u00ed oblast\u00ed jsou syst\u00e9my a technologie, na n\u011b\u017e obrazn\u011b i doslova pad\u00e1 prach n\u011bkde v \u0161upl\u00edku nebo ve sk\u0159\u00edni. Obsah sk\u0159\u00edn\u00ed v serverovn\u00e1ch firem b\u00fdv\u00e1 ob\u010das dost p\u0159ekvapuj\u00edc\u00ed. \u010casto lze naj\u00edt technologie, kter\u00e9 byly z neznalosti \u010di aktu\u00e1ln\u00ed nepot\u0159eby odlo\u017eeny \u201epro str\u00fd\u010dka p\u0159\u00edhodu\u201c. Pokud vznikne seznam takto nevyu\u017eit\u00fdch IT prost\u0159edk\u016f, m\u016f\u017eete zjistit, \u017ee disponujete velmi zaj\u00edmav\u00fdmi n\u00e1stroji a pro n\u011bkter\u00e9 z nich mo\u017en\u00e1 najdete okam\u017eit\u00e9 uplatn\u011bn\u00ed.
Kudy na to?<\/strong>
Pro rozpleten\u00ed gordick\u00e9ho uzlu v podob\u011b mnoha (ne)nasazen\u00fdch technologi\u00ed ve spole\u010dnosti se vyplat\u00ed postupovat sytematicky \u201eodspodu\u201c. Za\u010d\u00edt se d\u00e1 hned na \u00farovni aktivn\u00edch prvk\u016f v s\u00edti. V mnoha p\u0159\u00edpadech v nen\u00e1padn\u00fdch boxech, kter\u00e9 m\u011bs\u00edce a roky jen \u201ep\u0159ehazuj\u00ed\u201c pakety, d\u0159\u00edmaj\u00ed dal\u0161\u00ed zaj\u00edmav\u00e9 funkce. Zjist\u00edte, \u017ee zd\u00e1nliv\u011b hloup\u00e9 za\u0159\u00edzen\u00ed um\u00ed VLANy a QoS, p\u0159\u00edpadn\u011b je vybaveno bezpe\u010dnostn\u00edmi funkcemi \u2013 autentikac\u00ed klient\u016f, p\u0159\u00edstupov\u00fdmi seznamy dle MAC adres nebo zas\u00edl\u00e1n\u00edm zaj\u00edmav\u00fdch ud\u00e1lost\u00ed na syslog server. V neposledn\u00ed \u0159ad\u011b t\u0159eba odhal\u00edte, \u017ee takov\u00fd box disponuje podporou SNMP managementu pro sledov\u00e1n\u00ed stavu a zat\u00ed\u017een\u00ed aktivn\u00edho prvku. Velice \u010dasto se tak sofistikovan\u00e9 aktivn\u00ed prvky pou\u017e\u00edvaj\u00ed jako posledn\u00ed nemanagovateln\u00fd low-end hub. <\/p>\n\n\n\n
U aplikac\u00ed je stav je\u0161t\u011b tristn\u011bj\u0161\u00ed, \u010dasto se k nim kupuj\u00ed dopl\u0148ky t\u0159et\u00edch stran pro zaji\u0161t\u011bn\u00ed funkc\u00ed, kter\u00e9 bu\u010f aplikace sama um\u00ed nebo je s velmi mal\u00fdm \u00fasil\u00fdm lze relizovat \u201ein house\u201c. P\u0159\u00edkladem m\u016f\u017ee b\u00fdt ERP syst\u00e9m, kdy se \u010dasto dokupuj\u00ed drah\u00e9 reporting n\u00e1stroje nebo utility pro p\u0159enos dat, p\u0159itom \u010dasto s pomoc\u00ed dokumentace lze v b\u011b\u017en\u011b dostupn\u00fdch ns\u00e1troj\u00edch typu Crystal Reports (nebo pouh\u00fd MS Access z bal\u00edku MS Office) dos\u00e1hnout stejn\u00e9ho, ne-li lep\u0161\u00edho v\u00fdsledku. Dal\u0161\u00edmi oblastmi jsou v\u00fdm\u011bny dat mezi syst\u00e9my, kter\u00e9 lze v\u011bt\u0161inou \u0159e\u0161it vestav\u011bn\u00fdmi prost\u0159edky nebo standardn\u00edmi n\u00e1stroji, p\u0159esto firmy doslova vyhazuj\u00ed oknem statis\u00edce za \u201eskv\u011bl\u00e9 integra\u010dn\u00ed n\u00e1stroje\u201c jen proto, \u017ee je t\u0159eba \u0159e\u0161it dv\u011b nebo t\u0159i \u00falohy p\u0159enosu dat mezi syst\u00e9my za rok. <\/p>\n\n\n\n
Posledn\u00ed a nikoliv nejmen\u0161\u00ed rezervy je mo\u017eno naj\u00edt v samotn\u00e9m person\u00e1lu IT odd\u011blen\u00ed. P\u0159i pou\u017eit\u00ed \u0161ikovn\u00e9 motivace firma \u010dasto zjist\u00ed, \u017ee intern\u00ed pracovn\u00edci dok\u00e1\u017e\u00ed dotvo\u0159it pou\u017e\u00edvan\u00e9 syst\u00e9my a vylep\u0161it je tak, \u017ee jejich u\u017eitn\u00e1 hodnota prudce vzroste. Samoz\u0159ejm\u011b se b\u011b\u017en\u00fd administr\u00e1tor takov\u00e9 pr\u00e1ci vyh\u00fdb\u00e1, proto\u017ee je to \u010dinnost nav\u00edc, kterou \u010dasto nest\u00edh\u00e1. Pokud ale veden\u00ed firmy pochop\u00ed, \u017ee na mechanick\u00e9 \u010dinnosti a operativu m\u016f\u017ee najmout extern\u00ed pracovn\u00edky za velice p\u0159ijateln\u00e9 sazby, pak t\u00edm uvoln\u00ed kapacity intern\u00edch lid\u00ed pro \u010dinnosti, na n\u011b\u017e dosud nem\u011bli \u010das. Management v na\u0161ich firm\u00e1ch ale \u010dasto \u017eije v domn\u011bn\u00ed, \u017ee \u00fad\u011blem IT odd\u011blen\u00ed je b\u00fdt zavaleno prac\u00ed a nest\u00edhat, to je pr\u00fd dokladem aktivity a spr\u00e1vn\u00e9ho fungov\u00e1n\u00ed. To, \u017ee jde \u010dasto o d\u016fsledek p\u0159et\u00ed\u017een\u00ed operativou a v\u00fdsledky nesyst\u00e9mov\u00e9ho nakupov\u00e1n\u00ed technologi\u00ed (\u010dasto bez v\u011bdom\u00ed \u010di s minim\u00e1ln\u00ed anga\u017eovanost\u00ed IT p\u0159i v\u00fdb\u011bru a n\u00e1kupu), si mana\u017ee\u0159i odm\u00edtaj\u00ed p\u0159ipustit. Naopak, funguj\u00edc\u00ed IT, kde panuje \u0159\u00e1d a v d\u016fsledku d\u016fsledn\u00e9ho vyu\u017e\u00edv\u00e1n\u00ed rozumn\u011b nakupovan\u00fdch technologi\u00ed i de facto pohoda a pracovn\u00edci nejsou \u0159\u00edzeni ud\u00e1lostmi a hav\u00e1riemi, p\u0159ipad\u00e1 v\u011bt\u0161in\u011b mana\u017eer\u016f jako obr\u00e1zek nevyt\u00ed\u017een\u00e9ho, laxn\u00edho a neschopn\u00e9ho IT. A pr\u00e1v\u011b v person\u00e1ln\u00ed oblasti dnes spo\u010d\u00edvaj\u00ed nejv\u011bt\u0161\u00ed rezervy \u2013 pokud veden\u00ed uvoln\u00ed IT pracovn\u00edk\u016fm ruce a d\u00e1 jim kompeteneci informa\u010dn\u00ed technologie opravdu \u0159\u00eddit, projev\u00ed se to na v\u00fdkonu cel\u00e9 firmy. <\/p>\n","protected":false},"excerpt":{"rendered":"