Linux inoshandisa iyo "Shanduko paKunyora" (COW) nzira yekudzikisa kusingaite kudzokororwa kwezvinhu zvekurangarira.
Unoita sei Cowsay?
Ngarava dzeCowsay dzine mashoma akasiyana, anonzi mafaera emombe, anowanzo kuwanikwa mukati /usr/share/cowsay. Kuti uone sarudzo dzefaira dzemombe dziripo pane yako system, shandisa -l mureza mushure memombe. Zvadaro, shandisa -f mureza kuedza imwe chete. $ cowsay -f dhiragoni "Mhanya kunovhara, ndinonzwa kuhotsira."
Zita rekuti Cowsay ndiani?
cowsay chirongwa chinoburitsa ASCII mifananidzo yemhou ine meseji. Inogonawo kugadzira mifananidzo ichishandisa mifananidzo yakafanogadzirwa yedzimwe mhuka, seTux the Penguin, iyo Linux mascot.
Chii chinonzi kernel exploits?
Kazhinji, kernel exploit inosanganisira kugadzira syscall (interface inobvumira mushandisi nzira yekutaurirana nekernel) nemakakatanwa akagadzirirwa zvakanyanya kukonzera hunhu husingatarisirwe, kunyangwe iyo syscall ichiedza kubvumira nharo dzechokwadi.
Chii chinonzi zero zuva kutyisidzira?
Kutyisidzira kwezuva-zero (iyo dzimwe nguva kunonzi zero-awa kutyisidzira) ndiyo isati yamboonekwa uye haienderane nemasaina anozivikanwa.
Ndeupi musiyano uripo pakati pemushandisi nzvimbo uye kernel nzvimbo?
Kernel nzvimbo yakanyatsochengeterwa kumhanyisa yakasarudzika sisitimu kernel, kernel extensions, uye mazhinji madhiraivha emudziyo. Kusiyana neizvi, nzvimbo yemushandisi inzvimbo yekurangarira uko application software uye mamwe madhiraivha anoitisa.
Chii chinonzi zero hour attack?
"Zuva-zero (kana zero-awa kana zuva zero) kurwiswa kana kutyisidzira kurwiswa kunoshandisa kusadzivirirwa kwaimbozivikanwa mumakombuta, uko vagadziri vasina kuwana nguva yekugadzirisa nekugadzirisa. Kune zero mazuva pakati penguva yekusagadzikana kwakawanikwa (uye kuziviswa pachena), uye kurwiswa kwekutanga. "
Sei richinzi Zero-Day?
Izwi rekuti "zero-zuva" rinoreva huwandu hwemazuva ayo mutengesi wesoftware akaziva nezvegomba. Izwi iri sezviri pachena rakatanga mumazuva edhijitari bulletin board, kana BBSs, apo raireva huwandu hwemazuva kubvira pakaburitswa chirongwa chesoftware kune veruzhinji.
0day zvinorevei?
A zero-day (0day) kurwisa ndeye cyber kurwiswa kwakanangana nenjodzi yesoftware iyo isingazivikanwe kune software mutengesi kana kune antivirus vatengesi. Anorwisa anoona kusagadzikana kwesoftware pamberi pechero mapato anoda kuidzikisa, nekukurumidza kugadzira kubiridzira, uye kuishandisa kurwisa.