Otu esi edobe paswọọdụ GRUB2 na RHEL, CentOS na Fedora Linux
GRand Unified Bootloader (GRUB) bụ bootloader ndabara na sistemụ arụmọrụ Unix niile. Dị ka e kwere ná nkwa n'isiokwu anyị mbụ Otu esi tọgharịa paswọọdụ mgbọrọgwụ echefuru, ebe a ka anyị ga-atụle otu esi echekwa GRUB na okwuntughe.
Dị ka e kwuru na mbụ post, onye ọ bụla nwere ike ịbanye n'ime otu onye ọrụ mode na nwere ike ịgbanwe usoro ntọala dị ka mkpa. Nke a bụ nnukwu ebe nchekwa. Yabụ, iji gbochie onye dị otú ahụ na-enweghị ikike ịbanye na sistemụ anyị nwere ike ịchọ ka echekwabara paswọọdụ.
N'ebe a, anyị ga-ahụ otu esi egbochi ndị ọrụ ịbanye n'ime otu onye ọrụ mode na ịgbanwe ntọala nke usoro nwere ike ịnweta kpọmkwem ma ọ bụ anụ ahụ na usoro.
Mepụta GRUB Bootloader Paswọdu
Mepụta paswọọdụ maka GRUB, bụrụ onye ọrụ mgbọrọgwụ, wee mepee iwu ozugbo, pịnye iwu dị n'okpuru.
# grub2-setpassword
Mgbe kpaliri pịnye grub paswọọdụ ugboro abụọ wee pịa tinye.
Nke a ga-ewepụta okwuntughe bootloader GRUB hashed na faịlụ /boot/grub2/user.cfg ma enwere ike lelee ya site na iji iwu nwamba dịka egosiri.
# cat /boot/grub2/user.cfg
Megharịa faịlụ nhazi GRUB
Mgbe ịmechara paswọọdụ GRUB, ịkwesịrị ịmegharị faịlụ nhazi GRUB ọhụrụ site na ịme iwu na-esonụ.
# grub2-mkconfig -o /boot/grub2/grub.cfg
Iwu a dị n'elu ga-edobe paswọọdụ grub na faịlụ nhazi. Ugbu a, malitegharịa sistemụ wee lelee ma edobere paswọọdụ GRUB ọhụrụ nke ọma.
# reboot
Na-anwale Nchekwa okwuntughe GRUB
Mgbe sistemụ gị maliteghachiri, ị ga-enweta ihuenyo GRUB na-esote, ebe ị ga-enweta 5 sekọnd iji mebie usoro buut nkịtị. Ya mere, pịa igodo e ngwa ngwa iji mebie usoro buut.
Ozugbo ị pịa igodo e ọ ga-akpali gị itinye paswọọdụ GRUB dịka egosiri.
Mgbe itinyechara aha njirimara na paswọọdụ ziri ezi, ị nwere ike dezie paramita GRUB dị ka egosiri.
Na-ewepu GRUB Nchekwa okwuntughe
Iji wepu okwuntughe GRUB-chebe na menu buut, ihichapụ faịlụ /boot/grub2/user.cfg.
# rm /boot/grub2/user.cfg
Nke a bụ otu anyị nwere ike isi chekwaa GRUB na okwuntughe. Mee ka anyị mata otu esi echekwa sistemu gị? site na nkwupụta.