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Inkampani yokuvikela i-DDoS ngokwayo yethule ukuhlaselwa kwe-DDoS, umsunguli wayo uvumile

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Ngo-2016, i-vDos yayisiphenduke isevisi edume kakhulu emhlabeni yoku-oda ukuhlaselwa kwe-DDoS. Uma ukholwa ukuthi imibono yetulo, izinkampani ezivikela amagciwane ngokwazo zisakaza amagciwane, kanye nezinsizakalo zokuvikela ze-DDoS ngokwazo eziqala lokhu kuhlasela. Yebo, lokhu kuyinganekwane... noma cha? NgoJanuwari 16, 2020, iNkantolo Yesifunda YaseNew Jersey yathola uTucker Preston, 22, isakhamuzi saseMacon, […]

Ukudala amapharamitha ashukumisayo emsebenzini we-Jenkins, noma indlela yokwenza umsebenzi wakho ube nobungane

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Sawubona, Habr! Namuhla ngingathanda ukwabelana ngenye yezindlela zokwenza umsebenzi ku-Jenkins ubumbene futhi ube nobungane kubasebenzisi usebenzisa i-Active Choices Plugin. Isingeniso Isifinyezo esifana nesithi DevOps akuseyona into entsha emphakathini we-IT. Abantu abaningi bahlobanisa inkulumo ethi “yenza i-DevOps” nohlobo oluthile lwenkinobho yomlingo, lapho […]

Ama-Antipatterns e-PostgreSQL: ake sishaye i-JOIN esindayo ngesichazamazwi

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Siqhubeka nochungechunge lwama-athikili anikelwe ocwaningweni lwezindlela ezaziwa kancane zokuthuthukisa ukusebenza kwemibuzo “ebonakala ilula” ku-PostgreSQL: irekhodi eliyivelakancane lizofinyelela phakathi JOYINA i-Sisyphean JOIN izinhlu ezilimazayo JOIN futhi NOMA CTE JOIN CTE Ungacabangi. ukuthi angikuthandi JOIN kakhulu... :) Kodwa ngokuvamile ngaphandle Kuvela ukuthi isicelo sikhiqiza kakhulu kunaso. Ngakho namuhla sizozama [...]

Amazinga amathathu we-Autoscaling ku-Kubernetes: Ungawasebenzisa Kanjani Ngokuphumelelayo

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Ukuze uqonde ngokugcwele i-Kubernetes, udinga ukuqonda izindlela ezihlukahlukene zokukala izinsiza zeqoqo: ngokusho konjiniyela bohlelo, lena enye yezinjongo eziyinhloko ze-Kubernetes. Silungiselele ukubuka konke kweleveli ephezulu yezindlela zokuzenzakalela ezivundlile neziqondile kanye nezinqubo zokushintsha usayizi weqoqo, kanye nezincomo zokuthi zisetshenziswa kanjani ngempumelelo. Isihloko esithi "Kubernetes Autoscaling 101: Cluster Autoscaler, Horizontal Autoscaler, and Vertical Pod Autoscaler" sihunyushwe yiqembu […]

Imisebenzi ye-Yandex ithumela i-imeyili

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Namuhla sizodala lokho okubizwa ngokuthi umsebenzi we-Yandex (obizwa ngokusemthethweni ngokuthi i-Yandex Cloud Functions), okuthi, ngokubambisana nesevisi ye-imeyili ye-SendGrid, ithumele ama-imeyili kubasebenzisi abalele ngokuthula (ukudlala nje—Ngiyazi ukuthi sonke simelene nogaxekile). Ngiphinde ngimelene (kodwa hhayi ngokwedlulele) wamaseva endabuko kanye nomsekeli walokho okubizwa ngezixazululo ezingenasiphakeli, njengoba ngingathandi (futhi angithandi ngempela [...]

Kutholakale ukuqubuka okusha kwezikelemu ze-H2Miner ezixhaphaza i-Redis RCE

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Ngosuku olwedlule, enye yeziphakeli zephrojekthi yami yahlaselwa isibungu esifanayo. Ukuze uthole impendulo yombuzo othi "kwakuyini lokho?" Ngithole isihloko esihle seqembu le-Alibaba Cloud Security. Njengoba ngingasitholanga lesi sihloko ku-Habré, nginqume ukusihumushela ngokukhethekile <3 Isingeniso Muva nje, ithimba lezokuphepha le-Alibaba Cloud lithole ukuqubuka okungazelelwe kwe-H2Miner. […]

Ukuvela kwe-Web Application Firewall: kusuka kuma-firewall kuya kumasistimu okuvikela asekelwe emafini ngokufunda komshini

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Kokuqukethwe kwethu kwangaphambilini ngezihloko zamafu, sikhulume ngendlela yokuvikela izinsiza ze-IT efwini lomphakathi nokuthi kungani ama-antivirus endabuko engafaneleki ngokuphelele kulezi zinhloso. Kulokhu okuthunyelwe, sizoqhubeka nesihloko sokuphepha kwamafu futhi sikhulume ngokuvela kwe-WAF nokuthi yini engcono ukukhetha: i-hardware, isofthiwe noma ifu. Iyini i-WAF Ngaphezu kwe-75% yokuhlaselwa kwama-hacker kuhloswe […]

I-HighLoad++, u-Andrey Gushchin (Zabbix): ukusebenza okuphezulu nokuhlukaniswa komdabu

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Sizobheka ukuthi i-Zabbix isebenza kanjani ne-TimescaleDB database njenge-backend. Sizokukhombisa ukuthi ungaqala kanjani ekuqaleni nokuthi ungafuduka kanjani usuka ku-PostgreSQL. Futhi sizohlinzeka ngokuhlolwa kokuqhathanisa kokusebenza kokucushwa okubili. I-HighLoad++ Siberia 2019. Ihholo laseTomsk. Juni 24, 16:00. Izifinyezo nezethulo. Ingqungquthela elandelayo ye-HighLoad++ izoba ngo-April 6 no-7, 2020 e-St. Petersburg. Imininingwane namathikithi e- [...]

Nakulokhu futhi mayelana ne-DevOps ne-SRE

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Ngokusekelwe engxoxweni engxoxweni yomphakathi we-AWS Minsk Muva nje, izimpi zangempela ziqubuke phezu kwencazelo ye-DevOps ne-SRE. Naphezu kweqiniso lokuthi ngezindlela eziningi izingxoxo ngalesi sihloko sezivele zamisa amazinyo ami, kuhlanganise nami, nginqume ukuletha umbono wami ngalesi sihloko enkantolo yomphakathi waseHabra. Kulabo abanentshisekelo, wamukelekile [...]

Umhlahlandlela Obonakalayo Wokuxazulula Izinkinga Kubernetes

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Inothi lomhumushi: Lesi sihloko siyingxenye yephrojekthi yomthombo ovulekile i-learn8s, eqeqesha izinkampani nabalawuli abangabodwana ku-Kubernetes. Kuyo, uDaniele Polencic, oholayo wephrojekthi, wabelana ngomhlahlandlela obonakalayo wokuthi yiziphi izinyathelo okufanele uzithathe lapho uhlangabezana nezinkinga ezijwayelekile ngezinhlelo zokusebenza ezisebenza kuqoqo le-K8s. TL; DR: Nawu umdwebo ongakusiza […]

Isetha ukulinganisa kokulayisha ku-InfoWatch Traffic Monitor

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Okufanele ukwenze uma amandla eseva eyodwa enganele ukucubungula zonke izicelo, futhi umenzi wesoftware akahlinzeki ngokulinganisa komthwalo? Kunezinketho eziningi, kusukela ekuthengeni isilinganisi somthwalo ukuya ekukhawuleleni inani lezicelo. Iyiphi elungile kufanele inqunywe yisimo, kucatshangelwa izimo ezikhona. Kulesi sihloko sizokutshela ukuthi yini ongayenza uma isabelomali sakho silinganiselwe, [...]

Ukulandela kanye Nokuqapha ku-Istio: Ama-Microservices kanye Nomgomo Wokungaqiniseki

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I-Heisenberg Uncertainty Principle ithi awukwazi ukukala indawo yento kanye nesivinini sayo ngesikhathi esisodwa. Uma into ihamba, kusho ukuthi ayinayo indawo. Futhi uma kukhona indawo, kusho ukuthi ayinaso isivinini. Ngokuqondene nama-microservices endaweni yesikhulumi se-Red Hat OpenShift (kanye nokusebenzisa i-Kubernetes), ngenxa yesofthiwe efanele yomthombo ovulekile, angabika kanyekanye […]

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