Ukuze ushintshe izimvume zohla lwemibhalo kuwo wonke umuntu, sebenzisa okuthi “u” kubasebenzisi, “g” kweqembu, “o” kwabanye, kanye nokuthi “ugo” noma “a” (kubo bonke). chmod ugo+rwx igama lefolda ukuze unikeze ukufunda, ukubhala, nokusebenzisa kuwo wonke umuntu. chmod a=r igama lefolda ukuze unikeze imvume yokufunda yawo wonke umuntu.
Ngizishintsha kanjani izimvume kumafayela amaningi ku-Linux?
Ukuze ulungise amafulegi emvume kumafayela akhona kanye nezinkomba, sebenzisa umyalo we-chmod ("shintsha imodi"). Ingasetshenziselwa amafayela ngamanye noma ingasetjenziswa ngokuphindaphindiwe ngenketho ye--R yokuguqula izimvume zazo zonke iziqondiso ezingaphansi namafayela angaphakathi kohlu lwemibhalo.
Ngizishintsha kanjani izimvume zefayela ezizenzakalelayo zawo wonke amafayela kuhla lwemibhalo?
Izimpendulo ze-4
- Setha i-setgid bit, ukuze amafayela/ifolda ibe ngaphansi izodalwa neqembu elifanayo ne i-chmod g+s
- Setha ama-ACL amisiwe eqembu kanye nokunye setfacl -d -mg::rwx / setfacl -d -mo::rx /
Ngiyinikeza kanjani imvume kuwo wonke amafayela kuhla lwemibhalo 777?
Uma uzofuna umyalo we-console kungaba: i-chmod -R 777 /www/store . Izinketho ze -R (noma -recursive ) ziyenza iphindaphindeke. i-chmod -R 777.
Ithini incazelo ye-chmod 777?
Ukusetha izimvume ze-777 kufayela noma uhla lwemibhalo kusho lokho izofundeka, ibhaleke futhi isebenziseke yibo bonke abasebenzisi futhi ingase ibe yingozi enkulu yokuphepha. … Ubunikazi befayela bungashintshwa kusetshenziswa umyalo we-chown nezimvume ngomyalo we-chmod.
Ngizishintsha kanjani izimvume zefolda ku-Linux?
Ukushintsha izimvume zohla lwemibhalo ku-Linux, sebenzisa okulandelayo:
- chmod +rwx igama lefayela ukuze wengeze izimvume.
- chmod -rwx directoryname ukususa izimvume.
- chmod +x igama lefayela ukuze uvumele izimvume ezisebenzisekayo.
- chmod -wx filename ukuthatha izimvume zokubhala nezisebenzisekayo.
Ngizishintsha kanjani izimvume efayeleni?
Uma ungeyena umnikazi wefayela noma uhla lwemibhalo, yiba umsebenzisi omkhulu noma uthathe indima efanayo. Umnikazi wamanje kuphela noma umsebenzisi omkhulu ongasebenzisa umyalo we-chmod ukushintsha izimvume zefayela kufayela noma uhla lwemibhalo. Shintsha izimvume kwimodi ephelele ngokusebenzisa umyalo we-chmod.
Ngizishintsha kanjani izimvume ezizenzakalelayo ku-Unix?
Ukuze ushintshe izimvume zefayela neziqondisi, sebenzisa i- umyalo we-chmod (shintsha imodi). Umnikazi wefayela angashintsha izimvume zomsebenzisi ( u ), iqembu ( g ), noma abanye ( o ) ngokwengeza ( + ) noma ngokukhipha ( – ) izimvume zokufunda, ukubhala, nokukhipha.
Ingabe i-chmod iyawukhipha umask?
Njengoba ushilo, umask usetha izimvume ezizenzakalelayo ifayela/uhlu lwemibhalo oluzoba nazo ngesikhathi sokudala, kodwa ngemva kwalokho umask awusabathinti. chmod , nokho, idinga ukuthi ifayela lidalwe ngaphambi kokuthi liqalise. Ngakho-ke, uma usebenzisa umask , ngeke kube namphumela nhlobo kumafayela akhona.
Ngizishintsha kanjani izimvume ezizenzakalelayo ku-Linux?
Ukuze unqume inani le-umask ofuna ukulisetha, susa inani lezimvume ozifunayo kokuthi 666 (yefayela) noma 777 (ngohla lwemibhalo). Okusele yinani okufanele lisetshenziswe ngomyalo we-umask. Ngokwesibonelo, ake sithi ufuna ukushintsha imodi emisiwe yamafayela ibe ngu-644 ( rw-r–r– ).
Yenzani i-chmod 555?
Isho ukuthini i-Chmod 555? Ukusetha izimvume zefayela zibe ngu-555 kwenza ukuthi ifayela lingakwazi ukuguqulwa nhlobo yinoma ubani ngaphandle i-superuser yesistimu (funda kabanzi mayelana ne-Linux superuser).
Isho ukuthini i-chmod 744?
744, okungukuthi imvume ezenzakalelayo evamile, ivumela ukufunda, ukubhala, nokusebenzisa izimvume zomnikazi, nokufunda izimvume zeqembu kanye "nabasebenzisi bomhlaba".