Nga Whareherehere mo NetBSD – Ko te Kernel Enforced Wehewehenga me te Mana Rauemi Maori
Nga korero
Mewayz Team
Editorial Team
He aha nga Whareherehere? Te Tuāpapa o NetBSD Isolation
I roto i nga punaha whakahaere, he mea nui te haumaru me te whakahaere rawa, ina koa mo nga pakihi e whakahaere ana i nga ratonga maha i runga i te tūmau kotahi. NetBSD, rongonui mo tona kawe me te hoahoa ma, e tuku ana i tetahi waahanga hanga-i roto mo tenei kaupapa: Nga Whareherehere. Ko te whare herehere he tikanga whakamarumaru karekau e hanga ana i tetahi taiao taratahi i roto i te tauira NetBSD kotahi. Whakaarohia he miihini mariko mama, engari kaore he utu mo te whai i nga taputapu. Engari, ka whakamahia e ia te kernel ki te wehewehe i te punaha, ka whakawhiwhia ki ia whare herehere ana ake huinga rauemi, whirihoranga whatunga, me te waahi tukatuka. Ko tenei huarahi taketake ki te pupuri he huringa keemu mo nga kaiwhakahaere punaha e whai ana ki te whakarei ake i te haumarutanga me te pumau me te kore e whakararu i te mahi.
Mo te tüäpapa pënei i a Mewayz, e mahi ana hei OS pakihi modular i hangaia hei whakamärama i nga mahi uaua, he mea tino nui tenei taumata o te wehe. Ma te whakamahi i nga Whareherehere NetBSD, ka taea e Mewayz te tuku i nga waahanga pakihi takitahi-penei i te whakahaere hononga ki nga kaihoko, te tirotiro pukapuka, te tātari putea ranei-ki nga waahanga motuhake, haumaru. Ma tenei ka whakarite kia kore te whakaraerae, te whirihora pohehe ranei i roto i te waahanga kotahi e whakararu i te pono o te katoa o te punaha, ka whai turanga pakari mo te taiao pakihi haumaru.
Te Whakaaetanga Kernel: Te Miihini o te Haumarutanga
Ko te tino kaha o NetBSD Jails kei roto i te whakatinanatanga i te taumata kernel. Kaore i rite ki nga otinga ipu e whakawhirinaki nui ana ki nga tinihanga mokowhiti kaiwhakamahi, ko nga whare herehere ka whakakaha tikahia e te kernel. Ko te tikanga ehara i te mea he whakaaro noa te wehenga; he ture taketake me whai e te punaha whakahaere. Ka tino whakahaeretia e te kernel he aha nga tukanga i roto i te whare herehere ka kite me te mahi. Kei ia whare herehere tana ake rakau-roto punaha konae, he huinga kaiwhakamahi me nga roopu kua whakatapua, me te tirohanga whakatiki mo nga tukanga me nga hononga whatunga.
Ko tenei tauira karekau-whakauruhia he painga haumaru nui. Ka whakaitihia te mata whakaeke ma te hoahoa. Ko te tukanga e mau ana i roto i te whare herehere e kore e taea te mahi tahi me nga tukanga i waho o ona pakitara, te uru atu ki nga konae kaore i whakauruhia ki roto i tana punaha konae motuhake, te whakahaere ranei i te puranga whatunga a te kaihautu. Mo nga pakihi e whakamahi ana i a Mewayz, ka whakamaoritia tenei ki te tapatahi o nga waahanga. Ko nga raraunga putea e whakahaerea ana e tetahi waahanga ka parea atu i te tūmau tukutuku i tetahi atu, e whakarite ana i te hanganga ture me te whakamarumaru raraunga ma te taunoa.
Te Mana Rauemi Maamaa: Te Whakahaere i To Rauwiringa Kaiao
I tua atu i te tino wehe, ka whakaratohia e nga Whareherehere NetBSD he mana motuhake mo nga rauemi punaha. Ka taea e nga kaiwhakahaere te tautapa i nga rohe motuhake ki ia whare herehere, hei aukati i tetahi taiao kotahi mai i te whakahaere i te PTM, te mahara, te I/O bandwidth ranei. Ka tutuki tenei ma te whare rctl(8) (whakahaere rauemi), e taea ai te whakahaere tika i nga rauemi i ia whare herehere.
- Whakawhāiti PTM: Whakapaihia te nui o te wa PTM ka pau i te whare herehere.
- Tape Pumahara: Whakaritea nga rohe pakeke, ngawari ranei mo te whakamahi RAM kia kore ai e pau te mahara.
- Tepe Tukatuka: Whakahaerehia te maha o nga tukanga ka taea e te whare herehere te whakaputa.
- I/O Aratuku: Kōpae kātere me te mahi whatunga kia tika te tiri rauemi.
He mea nui tenei mana mokamoka mo te punaha tauira pera i a Mewayz. Ka whakamanahia te mahi matapae mo nga tono pakihi tino nui. Hei tauira, ka taea te whakatiki i tetahi kōwae tātari raraunga kaha rawa kia kore rawa e pa ki te urupare o te tomokanga kaihoko matua, kia mau tonu te wheako maeneene me te pono mo nga kaiwhakamahi katoa.
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He nui nga tono a NetBSD Jails. He pai mo nga kaiwhakarato manaaki e hiahia ana ki te wehe i nga kaute a nga kaihoko, mo nga kaiwhakawhanake e hanga ana i nga taiao whakamatautau motuhake, me nga pakihi e whakakotahi ana i nga ratonga maha ki runga i te tūmau kotahi, haumaru. Ka whakaratohia e nga whare herehere he huarahi ma, ka taea te whakahaere me te haumaru ki te wehewehe i nga ratonga.
"Ka whakaratohia e nga whare herehere he huarahi haumaru, ma, ngawari hoki ki te whakahaere i nga ratonga maha i te wehe tetahi ki tetahi i runga i te miihini kotahi. Ka taea te whakaaro he momo miihini mariko tino mama." - Tuhinga NetBSD
I te whakaurunga ki te OS pakihi modular Mewayz, ka noho nga whare herehere hei kohatu kokonga mo te rautaki whakahaere. Ka taea te whakauru i ia waahanga pakihi ki roto i tana ake whare herehere, ka hangaia he hoahoanga "microservices" ki te taumata o te punaha whakahaere. Ko tenei ahuatanga, ka whakamanahia e te kernel, ko te tikanga ka taea e Mewayz te tuku i te pumau me te haumarutanga. Ka taea te tono whakahōutanga ki ngā kōwae takitahi me te kore e hiahia ki te whakaara ano i te punaha katoa, ka tupono ranei ki te tukinotanga. Ko tenei mana motuhake me te mana whakahaere rawa i hanga ai a Mewayz, na NetBSD, he turanga tino pakari me te pai mo nga pakihi o nga rahi katoa.
Patai Auau
He aha nga Whareherehere? Te Turanga o NetBSD Isolation
I roto i nga punaha whakahaere, he mea nui te haumaru me te whakahaere rawa, ina koa mo nga pakihi e whakahaere ana i nga ratonga maha i runga i te tūmau kotahi. NetBSD, rongonui mo tona kawe me te hoahoa ma, e tuku ana i tetahi waahanga hanga-i roto mo tenei kaupapa: Nga Whareherehere. Ko te whare herehere he tikanga whakamarumaru karekau e hanga ana i tetahi taiao taratahi i roto i te tauira NetBSD kotahi. Whakaarohia he miihini mariko mama, engari kaore he utu mo te whai i nga taputapu. Engari, ka whakamahia e ia te kernel ki te wehewehe i te punaha, ka whakawhiwhia ki ia whare herehere ana ake huinga rauemi, whirihoranga whatunga, me te waahi tukatuka. Ko tenei huarahi taketake ki te pupuri he huringa keemu mo nga kaiwhakahaere punaha e whai ana ki te whakarei ake i te haumarutanga me te pumau me te kore e whakararu i te mahi.
Te Whakangungu Kernel: Te Miihini o te Haumarutanga
Ko te tino kaha o NetBSD Jails kei roto i te whakatinanatanga i te taumata kernel. Kaore i rite ki nga otinga ipu e whakawhirinaki nui ana ki nga tinihanga mokowhiti kaiwhakamahi, ko nga whare herehere ka whakakaha tikahia e te kernel. Ko te tikanga ehara i te mea he whakaaro noa te wehenga; he ture taketake me whai e te punaha whakahaere. Ka tino whakahaeretia e te kernel he aha nga tukanga i roto i te whare herehere ka kite me te mahi. Kei ia whare herehere tana ake rakau-roto punaha konae, he huinga kaiwhakamahi me nga roopu kua whakatapua, me te tirohanga whakatiki mo nga tukanga me nga hononga whatunga.
Te Mana Rauemi Maamaa: Te Whakahaere i To Rauwiringa Kaiao
I tua atu i te tino wehe, ka whakaratohia e nga Whareherehere NetBSD he mana motuhake mo nga rauemi punaha. Ka taea e nga kaiwhakahaere te tautapa i nga rohe motuhake ki ia whare herehere, hei aukati i tetahi taiao kotahi mai i te whakahaere i te PTM, te mahara, te I/O bandwidth ranei. Ka tutuki tenei ma te whare rctl(8) (whakahaere rauemi), e taea ai te whakahaere tika o nga rauemi i ia whare herehere.
Nga Tono Mahi me te Painga Mewayz
He nui nga tono a NetBSD Jails. He pai mo nga kaiwhakarato manaaki e hiahia ana ki te wehe i nga kaute a nga kaihoko, mo nga kaiwhakawhanake e hanga ana i nga taiao whakamatautau motuhake, me nga pakihi e whakakotahi ana i nga ratonga maha ki runga i te tūmau kotahi, haumaru. Ka whakaratohia e nga whare herehere he huarahi ma, ka taea te whakahaere me te haumaru ki te wehewehe i nga ratonga.
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