Uburyo CTRL-C muri Postgres CLI ihagarika ibibazo ni hack-y bidasanzwe

Umuzimu Utinze W'IKIMENYETSO: Impamvu Postgres CLI Ikibazo cyo Guhagarika Yumva ari Hack

Kubateza imbere nubuyobozi bwububiko, PostgreSQL command-umurongo wa interineti (psql) numushoferi wizewe burimunsi. Birakomeye, birasobanutse, kandi birahari hose. Nyamara, kimwe mubikorwa byingenzi byingenzi - guhagarika ikibazo cyo guhunga hamwe na CTRL-C ihuriweho na bose - yumva amatsiko adahari. Bitandukanye na progaramu nyinshi zigezweho aho itegeko rihagarika gusa ibikorwa byubu, muri psql, CTRL-C ntabwo ihagarika ikibazo kuri seriveri. Ahubwo, irahagarika gutegereza umukiriya kubisubizo, hasigara ikibazo gishobora gutandukana kuri seriveri yububiko. Iyi myitwarire ntabwo ari amakosa; ni igishushanyo mbonera cyerekana ibice, rimwe na rimwe byoroshye, ubwubatsi bwibikoresho byacu. Kubucuruzi bwubaka kuri sisitemu ya modular nka Mewayz , gusobanukirwa nukuri kwukuri ni urufunguzo rwo gushushanya imbaraga, abakoresha-bishingiye kubikorwa.

Umugani wibikorwa bibiri: Umukiriya na Seriveri

Intandaro ya "hack-y" ibyiyumvo bituruka kububiko bwa psql. Iyo urangije ikibazo muri psql, inzira ebyiri zigenga ziri kukazi: inzira yumukiriya wa psql kumashini yiwanyu hamwe na postgres ya seriveri kubikorwa byububiko. Kanda CTRL-C yohereza SIGINT (ikimenyetso cyo guhagarika) byumwihariko kubikorwa bya psql byabakiriya . Umukiriya ako kanya akazi ni uguhagarika gutegereza no gusubira mubisubizo, ibyo birakora. Nyamara, seriveri ntabwo ifite ubumenyi bwihariye bwiki kimenyetso cyabakiriya. Urebye, ikibazo kiracyari cyemewe, gikora. Gusaba gusiba bigomba kumenyeshwa nkuburyo butandukanye, amabwiriza mashya.

.

Porotokole yo guhagarika: Icyifuzo cya kabiri

Noneho, ni gute ikibazo kiba gihagaritswe? Nyuma yo gukora SIGINT, umukiriya witwaye neza psql atangiza protocole yemewe ya PostgreSQL. Ibi bikubiyemo gufungura ikimenyetso gishya kuri seriveri no kohereza ubutumwa bwihariye "guhagarika icyifuzo" burimo urufunguzo rwibanga rugaragaza inzira yinyuma yinyuma ikora ikibazo cyawe. Iki cyifuzo gitunganyirizwa hamwe, kandi nta garanti yo gutsinda byihuse. Iyi ntambwe nyinshi, umuriro-no kwibagirwa niyo mpamvu imyitwarire yumva itaziguye. Ntabwo ari uguhagarika gutaziguye; ni ikinyabupfura, kwinginga kwoherejwe binyuze mumurongo winyuma.

Umukoresha Inararibonye Icyuho nImanza Zi

Igishushanyo kiganisha ku ngingo zifatika zifatika kubakoresha:

• Ibisubizo bitazwi: Ntabwo uhita wemeza niba icyifuzo cyo guhagarika cyakiriwe cyangwa cyubahwa na seriveri.

Kubaka Kubishingwe Kumenya hamwe na Mewayz

Sisitemu yubucuruzi igezweho igomba gukuramo ibyo bigoye mugihe wubaha imbogamizi zabo. Ihuriro nka Mewayz , rikora nka OS yubucuruzi isanzwe, ikubiyemo imikoranire yububiko muri serivisi zicungwa. Kurugero, amakuru ya Mewayz yabajijwe module ntabwo yerekana gusa SQL mbisi; byayizinga hamwe nubugenzuzi bwabakoresha-kugenzura kwukuri, kugenzurwa "guhagarara", kubaza igihe cyateganijwe, hamwe nigihe nyacyo cyerekana umwanya werekana ibikorerwa kuri seriveri. Ibi bimura uburambe kuva mubikorwa bya protocole kugeza gucunga neza ibikorwa byubucuruzi bisobanutse. Isomo ryo muri CTRL-C ya psql nuko ibikoresho bikomeye bitagaragaza gusa imbaraga zikomeye; bashushanya intuitive kandi yizewe kuri bo, bahindura umurage wububiko mubikorwa bidafite gahunda. Gusobanukirwa hack byerekana amahirwe yo kubaka ikintu cyiza.

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Ibibazo bikunze kubazwa

Umuzimu Utinze W'IKIMENYETSO: Impamvu Postgres CLI Ikibazo cyo Guhagarika Yumva ari Hack

Kubateza imbere nubuyobozi bwububiko, PostgreSQL command-umurongo wa interineti (psql) numushoferi wizewe burimunsi. Birakomeye, birasobanutse, kandi birahari hose. Nyamara, kimwe mubikorwa byingenzi byingenzi - guhagarika ikibazo cyo guhunga hamwe na CTRL-C ihuriweho na bose - yumva amatsiko adahari. Bitandukanye na progaramu nyinshi zigezweho aho itegeko rihagarika gusa ibikorwa byubu, muri psql, CTRL-C ntabwo ihagarika ikibazo kuri seriveri. Ahubwo, ihagarika gutegereza umukiriya gutegereza ibisubizo, hasigara ikibazo gishobora gutandukana kumurongo wububiko. Iyi myitwarire ntabwo ari amakosa; ni igishushanyo mbonera cyerekana ibice, rimwe na rimwe byoroshye, ubwubatsi bwibikoresho byacu. Kubucuruzi bwubaka kuri sisitemu ya modular nka Mewayz, gusobanukirwa nukuri kwukuri ni urufunguzo rwo gushushanya imbaraga, abakoresha-bishingiye kubikorwa.

Umugani wibikorwa bibiri: Umukiriya na Seriveri

Intandaro ya "hack-y" ibyiyumvo bituruka kububiko bwa psql. Iyo urangije ikibazo muri psql, inzira ebyiri zigenga ziri kukazi: inzira yumukiriya wa psql kumashini yiwanyu hamwe na postgres ya seriveri kubikorwa byububiko. Kanda CTRL-C yohereza SIGINT (ikimenyetso cyo guhagarika) byumwihariko kubikorwa byabakiriya ba psql. Umukiriya ako kanya akazi ni uguhagarika gutegereza no gusubira mubisubizo, ibyo birakora. Nyamara, seriveri ntabwo ifite ubumenyi bwihariye bwiki kimenyetso cyabakiriya. Urebye, ikibazo kiracyari cyemewe, gikora. Gusaba gusiba bigomba kumenyeshwa nkuburyo butandukanye, amabwiriza mashya.

Porotokole yo guhagarika: Icyifuzo cya kabiri

Noneho, ni gute ikibazo kiba gihagaritswe? Nyuma yo gukora SIGINT, umukiriya witwaye neza psql atangiza protocole yemewe ya PostgreSQL. Ibi birimo gufungura imiyoboro mishya kuri seriveri no kohereza ubutumwa bwihariye "guhagarika icyifuzo" gikubiyemo urufunguzo rwibanga rugaragaza inzira yinyuma yinyuma ikora ikibazo cyawe. Iki cyifuzo gitunganyirizwa hamwe, kandi nta garanti yo gutsinda byihuse. Iyi ntambwe nyinshi, umuriro-no kwibagirwa niyo mpamvu imyitwarire yumva itaziguye. Ntabwo ari uguhagarika gutaziguye; ni ikinyabupfura, kwinginga kwoherejwe binyuze mumurongo winyuma.

Umukoresha Inararibonye Icyuho nUrubanza Rwa

Igishushanyo kiganisha ku ngingo zifatika zifatika kubakoresha:

Kubaka Kubishingwe Kumenya hamwe na Mewayz

Sisitemu yubucuruzi igezweho igomba gukuramo ibyo bigoye mugihe wubaha imbogamizi zabo. Ihuriro nka Mewayz, ikora nka OS yubucuruzi isanzwe, yakubiyemo imikoranire yububiko muri serivisi zicungwa. Kurugero, amakuru ya Mewayz yabajijwe module ntabwo yerekana gusa SQL mbisi; byayizinga hamwe nubugenzuzi bwabakoresha-kugenzura kwukuri, kugenzurwa "guhagarara", kubaza igihe cyateganijwe, hamwe nigihe nyacyo cyerekana umwanya werekana ibikorerwa kuri seriveri. Ibi bimura uburambe kuva mubikorwa bya protocole kugeza gucunga neza ibikorwa byubucuruzi bisobanutse. Isomo ryo muri CTRL-C ya psql nuko ibikoresho bikomeye bitagaragaza gusa imbaraga zikomeye; bashushanya intuitive kandi yizewe kuri bo, bahindura umurage wububiko mubikorwa bidafite gahunda. Gusobanukirwa hack byerekana amahirwe yo kubaka ikintu cyiza.

Ibikoresho byawe byose byubucuruzi ahantu hamwe

Hagarika guhuza porogaramu nyinshi. Mewayz ikomatanya ibikoresho 208 kumadorari 49 gusa / ukwezi - kuva kubarura kugeza HR, kubika kugeza kubisesengura. Nta karita y'inguzanyo isabwa gutangira.

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