kumuhana: Nā Administration

ʻO ka loiloi hoʻohālikelike o nā polokalamu microwave portable Arinst vs Anritsu

Ua hoʻouna ʻia kekahi mau mea hana mai ka mea hoʻomohala Lūkini "Kroks" no ka loiloi hoʻokolohua kūʻokoʻa. ʻO kēia nā mika uila liʻiliʻi liʻiliʻi, ʻo ia hoʻi: kahi mea nānā kikoʻī me kahi mea hana hōʻailona i kūkulu ʻia, a me kahi mea nānā pūnaewele vector (reflectometer). Loaʻa nā ʻaoʻao ʻelua a hiki i ka 6,2 GHz ma ke alapine kiʻekiʻe. Ua makemake ʻia ka hoʻomaopopo ʻana inā he ʻeke ʻē aʻe kēia o nā "mika hōʻike" (mea pāʻani), a i ʻole nā ​​​​mea hana kaulana, no ka mea, hoʻonoho ka mea hana iā lākou: […]

ʻO ka hoʻolālā like ʻole ma JavaScript (Callback, Promise, RxJs)

Aloha kākou. Ua pili ʻo Sergey Omelnitsky. ʻAʻole i liʻuliʻu i hala aku nei ua hoʻokipa au i kahi kahawai ma ka papahana reactive, kahi aʻu i kamaʻilio ai e pili ana i ka asynchrony ma JavaScript. I kēia lā makemake wau e kākau i nā memo no kēia mea. Akā ma mua o ka hoʻomaka ʻana i ka mea nui, pono mākou e hana i kahi leka hoʻomaka. No laila, e hoʻomaka kākou me nā wehewehe: he aha ke ʻano o ka puʻu a me ka pila? ʻO kahi stack kahi hōʻiliʻili nona nā mea [...]

Nānā hou: pehea i pau ai nā helu IPv4

Ua wānana ʻo Geoff Huston, ka ʻenekini noiʻi nui ma ka mea kākau inoa pūnaewele APNIC, e pau ana nā helu IPv4 i 2020. Ma kahi moʻolelo hou o nā mea, e hōʻano hou mākou i ka ʻike e pili ana i ka pau ʻana o nā helu wahi, ka mea i loaʻa iā lākou, a no ke aha i hana ai kēia. / Unsplash / Loïc Mermilliod No ke aha e pau ai nā ʻōlelo ma mua o ka neʻe ʻana i ka moʻolelo o ke ʻano o ka "maloʻo" o ka loko.

Hoʻouka kaua Cryptographic: he wehewehe no nā manaʻo huikau

Ke lohe ʻoe i ka huaʻōlelo "cryptography," hoʻomanaʻo kekahi poʻe i kā lākou ʻōlelo huna WiFi, ka padlock ʻōmaʻomaʻo e pili ana i ka helu wahi o kā lākou punaewele punahele, a pehea ka paʻakikī o ke komo ʻana i ka leka uila a kekahi. Hoʻomanaʻo ka poʻe ʻē aʻe i ke ʻano o nā haʻahaʻa i nā makahiki i hala iho nei me ka haʻi ʻana i nā pōkole (DROWN, FREAK, POODLE...), nā logo nani a me ka ʻōlelo aʻo e hoʻohou koke i kāu polokalamu kele pūnaewele. Hoʻopili ʻo Cryptography i kēia mau mea a pau, akā ʻokoʻa ke kumu. ʻO ka manaʻo aia kahi laina maikaʻi ma waena o [...]

ʻAʻole kūpono ka nui o nā papa kuhikuhi i kā mākou hana

He mea ʻole kēia, ʻaʻole pono i ka hoʻohana pono ʻana, akā ʻakaʻaka liʻiliʻi e pili ana i nā papa kuhikuhi ma *nix system. ʻO ka Pōʻalima. I ka wā o nā nīnauele, ʻike pinepine ʻia nā nīnau e pili ana i nā inodes, nā mea āpau-is-faila, kahi mea liʻiliʻi i hiki i nā poʻe ke pane pololei. Akā inā ʻeli ʻoe i kahi hohonu, hiki iā ʻoe ke loaʻa nā mea hoihoi. No ka hoʻomaopopo ʻana i ka pou, he mau wahi: he faila nā mea a pau. ʻO ka papa kuhikuhi pū kekahi [...]

ʻO ka ikaika o ka ikehu ma ke keʻena: pehea e hoʻemi ai i ka ikehu maoli?

Ke kamaʻilio nui nei mākou e pili ana i ka hiki ʻana i nā kikowaena ʻikepili ke mālama i ka ikehu ma o ka hoʻokomo ʻana i nā lako akamai, ka ea ea maikaʻi loa, a me ka hoʻokele mana kikowaena. I kēia lā e kamaʻilio mākou e pili ana pehea e hiki ai iā ʻoe ke mālama i ka ikehu ma ke keʻena. ʻAʻole like me nā kikowaena ʻikepili, pono ka uila i nā keʻena ʻaʻole wale e ka ʻenehana, akā e nā kānaka pū kekahi. No laila, e kiʻi i kahi helu PUE ma aneʻi ma […]

Nā helu helu pūnaewele a me kāu waihona liʻiliʻi ponoʻī

Ua kōkua ʻo Webalizer a me Google Analytics iaʻu e ʻike i nā mea e hana nei ma nā pūnaewele no nā makahiki he nui. I kēia manawa ua maopopo iaʻu ua hāʻawi lākou i ka ʻike pono liʻiliʻi loa. Loaʻa ka loaʻa ʻana i kāu faila access.log, maʻalahi ka hoʻomaopopo ʻana i nā helu helu a hoʻokō i nā mea hana maʻamau e like me sqlite, html, ka ʻōlelo sql a me nā palapala […]

He maikaʻi anei ʻo Kafka ma Kubernetes?

Aloha mai e Habr! I kekahi manawa, ʻo mākou ka mea mua i hoʻolauna i ke kumuhana Kafka i ka mākeke Lūkini a hoʻomau i ka nānā ʻana i kona ulu ʻana. Ma ke ʻano, ʻike mākou i ke kumuhana o ka launa pū ʻana ma waena o Kafka a me Kubernetes hoihoi. Ua paʻi ʻia kahi loiloi (a me ka akahele) e pili ana i kēia kumuhana ma ka blog Confluent i ʻOkakopa i ka makahiki i hala ma lalo o ka mea kākau a Gwen Shapira. I kēia lā mākou […]

ʻO ka huakaʻi ma nā leo ʻōmaʻomaʻo māmā

ʻO ka pilikia nui o ka halihali ma St. Petersburg he alahaka. I ka pō, no lākou, pono ʻoe e holo i waho o ka hale inu me ka pau ʻole o kāu pia. ʻAe, a i ʻole e uku pālua ʻia no ka taxi e like me ka mea maʻamau. I ke kakahiaka, e helu pono i ka manawa a hiki i ka wā e pani ʻia ai ke alahaka, hiki ʻoe i ke kahua me he mongoose agile. ʻAʻole mākou […]

ʻO ka haʻahaʻa haʻahaʻa o kēlā me kēia pule #3 (26 Iulai - 2 ʻAukake 2019)

ʻO ka poʻe makemake e hāʻawi i ko lākou kūʻokoʻa no ka loaʻa ʻana o ka palekana pōkole mai ka pilikia ʻaʻole pono ke kūʻokoʻa a palekana. — Benjamin Franklin Ua manaʻo ʻia kēia digest e hoʻonui i ka makemake o ke Kaiāulu i ka pilikia o ka pilikino, a ma ka mālamalama o nā hanana hou e lilo nei i mea kūpono ma mua o ka wā ma mua. Ma ka papahana: Hoʻokomo ka mana hōʻoia ʻo Medium Root CA i ka hōʻoia hōʻoia me ka hoʻohana ʻana i ka protocol OCSP Features [...]

ʻElima mau haumāna a ʻekolu hale kūʻai waiwai kī

A i ʻole pehea mākou i kākau ai i kahi waihona waihona C ++ no ZooKeeper, etcd a me Consul KV I ka honua o nā ʻōnaehana puʻupuʻu, aia kekahi mau hana maʻamau: mālama i ka ʻike e pili ana i ka hoʻokumu ʻana o ka puʻupuʻu, hoʻokele i ka hoʻonohonoho ʻana o nā nodes, ʻike i nā nodes hewa, koho he alakaʻi, a me nā mea ʻē aʻe. No ka hoʻoponopono ʻana i kēia mau pilikia, ua hana ʻia nā ʻōnaehana hoʻolaha kūikawā - nā lawelawe hoʻonohonoho. I kēia manawa, makemake mākou i ʻekolu o lākou: ZooKeeper, […]

ʻO Polycom VideoConference Solutions. Nā hoʻomanaʻo 6 makahiki ma hope ... Pae 2. Māhele 1. RMX1500

Aloha ahiahi, e nā hoa hana. ʻO ka hope, ua hiki mai ka manawa e hoʻokō ai i ka ʻōlelo hoʻohiki a haʻi i ke ʻano o ka hoʻomau ʻana a me ka pau ʻana. E kala mai no ka lohi loa. Aia he 2 mau ʻāpana: RMX1500 CMA4000 He nui nā leka i ka kikokikona ma lalo nei a hiki ke hoʻoholo hewa ʻia koʻu ʻano no kēia hoʻoholo. I ka hopena, e hōʻike wau he ʻano maikaʻi a maikaʻi koʻu e pili ana iā Polycom, […]