Yadda zaka canza UUID na bangare a cikin Linux

La UUID (Ganowa Na Musamman Na Musamman) shine mai ganowa na musamman na duniya wanda ke gano takamaiman bangare na tsarin fayil ko FS. Lambar daidaitacciya ce da aka yi amfani da ita a cikin Linux wanda zaku iya gani a / etc / fstab, misali, kuma wannan ya kunshi baiti 16, watau, rago 128. Sabili da haka, ya ƙunshi haruffa marasa haruffa 36 zuwa kashi biyar tare da tsari: 8-4-4-4-12. Wannan yana ba da lambobin da yawa akwai kuma damar lambobin daidaitawa biyu yayi ƙasa ƙwarai.

Misali, UUID na yau da kullun zai iya zama 6700b9562-d30b-5d52-82bc-655787665500. Da kyau, idan kun sami kanku kuna sarrafa tsarin aiki na GNU / Linux kuma kuna son canza shi ta kowane dalili, yanzu zaku ga yadda zaka iya gyaggyara shi cikin sauki. Amma kafin haka, zan nuna muku yadda zaku iya ganin UUIDs na rabe-rabenku a cikin damarku ta hanyar aiwatar da ɗayan waɗannan umarnin:

cat /etc/fstab
sudo blkid|grep UUID

Amma idan kuna so duba UUID na takamaiman bangare ko na'urar, zaka iya yin hakan kamar haka:

sudo blkid | grep sdd4

Da zarar kun san UUIDs, zaka iya canza shi ta hanya mai sauƙi tare da umarni mai zuwa, a zaton cewa wannan shine rabo da kake son canza UUID don:

umount /dev/sdd4
tune2fs /dev/sdd4 -U random

Kamar yadda ka gani, dole ne ka fara cire bangare kuna son gyara, sai kuyi amfani da wannan umarni domin ya samar da sabon UUID bazuwar sannan kuma zaku iya sake duba UUID din wannan bangare don tabbatar da cewa ya canza.

Kar a manta a gyara UUID a filin da ya dace da / sauransu / fstab ko dai. idan wannan bangare yana cikin wannan fayil din don ya kasance yana hawa kai tsaye tare da boot system. In ba haka ba za a sami matsalolin rashin sanin UUID. Kuna iya kwafin UUID ɗin da aka nuna sannan liƙa shi a cikin filin fstab mai dacewa don maye gurbin tsohuwar ta amfani da editan rubutun da kuka fi so ...