Kafushane: Kulo mhlahlandlela olungele abaqalayo, sizoxoxa ngezibonelo ezisebenzayo zomyalo we-fgrep. Ekupheleni kwalo mhlahlandlela, abasebenzisi bazokwazi ukwenza imisebenzi yokusesha umbhalo ngempumelelo besebenzisa isixhumi esibonakalayo somugqa womyalo.
Ukusesha umbhalo kungenye yemisebenzi evame ukwenziwa. Kodwa-ke, lo msebenzi olula udla isikhathi ngokushesha uma abasebenzisi bengawajwayele amathuluzi alungile. Ku-Linux, kunezinsiza ezahlukahlukene zokuhlunga umbhalo njenge-sed, cut, njll.
Kodwa-ke, ku-Linux, i-fgrep iyinsizakalo ekhethwa kakhulu yokusesha umbhal
Funda kabanzi →Kafushane: Kulo mhlahlandlela, sizoxoxa ngezinye zezibonelo ezisebenzayo zomyalo we-egrep. Ngemva kokulandela lo mhlahlandlela, abasebenzisi bazokwazi ukwenza ukusesha umbhalo ngokuphumelelayo ku-Linux.
Wake wakhungatheka ngenxa yokuthi awukwazi ukuthola ulwazi oludingekayo kulogi? Ukukhipha ulwazi oludingekayo kusethi yedatha enkulu kuwumsebenzi oyinkimbinkimbi futhi odla isikhathi.
Izinto ziba yinselele ngempela uma uhlelo lokusebenza lunganikezi ngamathuluzi afanele futhi nakhu kufika iLinux izokuhlenga. I-Linux inikeza izinsiza ezihlukahlukene zokuhlunga umbhalo nje
Funda kabanzi →I-ext3grep iwuhlelo olulula lokubuyisela amafayela ohlelweni lwefayela lwe-EXT3. Kuyithuluzi lophenyo nokululama eliwusizo ophenyweni lwe-forensics. Kuyasiza ukukhombisa ulwazi mayelana namafayela abekade ekhona ekuhlukaniseni futhi aphinde athole amafayela asuswe ngephutha.
Kulesi sihloko, sizokhombisa iqhinga eliwusizo, elizokusiza ukuthi ubuyisele amafayela asuswe ngephutha ezinhlelweni zamafayela we-ext3 usebenzisa i-ext3grep ku-Debian ne-Ubuntu.
I-Ngrep (i-network grep) iwukuhlaziya iphakethe lenethiwekhi elilula kodwa elinamandla. Kuyithuluzi elifana ne-grep elisetshenziswa kusendlalelo senethiwekhi - lifana nethrafikhi edlula ku-interface yenethiwekhi. Ikuvumela ukuthi ucacise isisho esivamile esinwetshiwe noma se-hexadecimal ukuze sifane ne-payloads yedatha (ulwazi lwangempela noma umlayezo kudatha edlulisiwe, kodwa hhayi imethadatha ekhiqizwa ngokuzenzekelayo) yamaphakethe.
Leli thuluzi lisebenza nezinhlobo ezehlukene zezivumelwano, okuhlanganisa i-IPv4/6, TCP, UDP, ICMPv4/6, IGMP kanye neRaw ezindaweni ezimbalwa zokusebe
Funda kabanzi →Elinye lamathuluzi okusesha adumile kumasistimu afana ne-Unix angasetshenziswa ukusesha noma yini noma ngabe ifayela, noma ulayini noma imigqa eminingi efayeleni i-grep utility. Kukhulu kakhulu ekusebenzeni okungabalelwa enanini elikhulu lezinketho ezisekelayo njengokuthi: ukusesha usebenzisa iphethini yeyunithi yezinhlamvu, noma iphethini ye-reg-ex noma i-perl based reg-ex njll.
Funda kabanzi →Wake wabhekana nomsebenzi wokubheka intambo ethile noma iphethini efayeleni, nokho ungazi ukuthi ungaqala kuphi ukubheka? Hhayi-ke, nansi i-grep yokuhlenga!
I-grep iyiseshi sephethini yefayela enamandla esiza ifakwe kukho konke ukusatshalaliswa kweLinux. Uma, nganoma yisiphi isizathu, ingafakiwe kusistimu yakho, ungayifaka kalula ngomphathi wakho wephakheji (apt-get on Debian/Ubuntu kanye ne-yum
Funda kabanzi →