Su vs Sudo: bambance-bambance da daidaitawa

Cartoons game da ikon sudo yayin aiwatar da umarni

Wani labarin game da nasa vs. sudo. Ana amfani da shirin su a cikin tsarin aiki irin na Unix don samun dama azaman tushe da kuma samun izinin da ake buƙata don aiwatar da wasu umarni daga tashar har ma wasu shirye-shirye tare da mai amfani da zane mai zane yana da kari wanda a zahiri yake buƙatar wannan kalmar sirri idan ya cancanta.

Kamar yadda kuka sani, su shine ma'anar "madadin mai amfani" (mai amfani da canji) ko babban mai amfani (babban mai amfani), akwai ra'ayoyi da yawa. Kasance hakane, wannan ba mahimmanci bane game da kasuwancinku. Abu mai kyau shine cewa yana bamu damar sarrafa komai bayan shigar da kalmar sirri ta asali da kuma yin gyare-gyare da yawa da tsarin mulki wanda ba tare da gata ba baza a bari mu ba.

su –c “comando”

Sauran amfani shine sudo (babban mai amfani yayi), wanda yayi kama da su amma tare da wasu ƙuntatawa. Koyaya, duk da kasancewa mai ƙuntatawa kuma baya ba ku cikakken iko, ba shi da amintacce kuma ana ba da shawarar amfani da shi koyaushe a cikin hanyar sarrafawa kuma lokacin da aikin da muke son yi ba zai ba mu damar aiwatar ba tare da gata ba.

Sudo ya rubuta ta Bob Coggeshall da Cliff Spencer a cikin shekaru tamanin, lokacin da suke a sashen kimiyyar kwamfuta a Jami'ar New York. Ɗayan masu haɓaka OpenBSD ne ke kula dashi a halin yanzu, Todd c. Miller tare da hadin gwiwar Chris Jepeway da Aaron Spangler. Ya dace da tsarin aiki daban-daban, kamar GNU / Linux, BSD da abubuwan banbanci da Mac OS X, ...

An buga juzu'i a tsawon shekaru gyara kuma an inganta shi na sudo saboda ya yi aiki a hanya mafi kyawu kuma ya kasance amintacce kamar yadda zai yiwu. Hanyar amfani da shi yayi kama da su, kun rubuta shi kuma shigar da kalmar sirri don samun dama a ɗan lokaci (lokacin alheri), amma ba a buƙatar kalmar sirri ta asali, kalmar sirri ta mai amfani ce kawai.

sudo “comando”

Ta hanyar bada izini samun gata ga kowane mai amfani, sudo ba shi da kyau sosai kuma ba shi da tsaro kamar su, kamar yadda muka fada, amma yana iya zama mai sauri ko amfani a wasu fannoni. Saboda wannan, ba duk rarrabawa ke haɗa shi ba. Idan kanaso sudo su zama masu aminci, zaka iya gyara file din sudoers da aka samu a cikin / / directory. Wannan shine yadda zaku kawar da "lokacin alheri" don mara godiya don amfani dashi don mugunta:

sudo nano /etc/sudoers

Kuma a karshen zaka rubuta mai zuwa layi, game da sarari, babba da ƙaramin magana kuma ba tare da yin kuskure ba, sa'annan ka adana takaddar kuma ka gama:

Defaults:ALL timestamp_timeout=0

Fayil din / sauransu / sudoers Ya ƙunshi jerin masu amfani waɗanda aka ba su izinin aiki ko a'a wasu shirye-shirye da fayiloli. Tare da wani shiri ko umarni da ake kira "visudo" zamu iya inganta fayil ɗin / sauransu / sudoers. Kuna iya samun ƙarin bayani game da shi ta hanyar tuntuɓar littafinsa. Abu mai kyau game da visudo shine cewa yana gyara fayil ɗin ba tare da haɗari ba.


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  1.   Walter Fari m

    Labarin ya kusan kyau kwarai da gaske, ban san ma’anar “giya” ba, ina tsammanin yana nufin: “giya”;)

  2.   Pepe Matthias m

    Mutum, cewa kowane mai amfani zai iya samun damar gatan tushen ba gaskiya bane, mai amfani dole ne ya sami haƙƙin gudanarwa, idan ban basu waɗannan haƙƙoƙin ba, sudo ba zai yi aiki ba.

  3.   Jose m

    Menene gangaren labarin, ba su san abin da suke magana ba.
    Ina shakkar sun taɓa ganin ma'anar * nix a rayuwarsu.