Otu esi etinye ma jiri iwu igwu na nslookup na Linux
N'isiokwu a, ị ga-amụta otú e si wụnye nchọpụta nsogbu netwọk na ịnakọta ozi gbasara aha ngalaba.
Dig, mkpirisi maka ozi ngalaba Gopher, bụ ihe nchọta DNS ejiri maka nyocha sava DNS na nsogbu nchọpụta nsogbu metụtara sava DNS. N'ihi ịdị mfe nke iji ya, ndị na-ahụ maka sistemụ na-adabere na ngwaọrụ iji dozie nsogbu DNS.
A na-eji Nslookup maka ijikwa nyocha DNS wee gosipụta ozi dị mkpa dị ka ndekọ MX, yana adreesị IP jikọtara ya na ngalaba aha.
Sistemụ Linux ọhụrụ na-ebufe ngwa ngwa na nslookup na ndabara. Agbanyeghị, sistemụ Linux ochie nwere ike ọ gaghị adị. Ha abụọ bịakọtara ọnụ n'ime ngwugwu bind-utils.
Ka anyị hụ otu anyị nwere ike isi wụnye ọrụ nchọpụta nsogbu DNS na Linux.
- Ịwụnye igwu & nslookup na CentOS/RHEL
- Wụnye igwu & nslookup na Debian/Ubuntu
- Wụnye igwu & nslookup na ArchLinux
- Iji iwu igwu
- Iji nslookup Command
Na Red Hat Linux/CentOS, wụnye dig na nslookup site na iji iwu dnf.
# dnf install bind-utils
Mgbe echichi gara nke ọma, nyochaa ụdị a site na iji iwu dị n'okpuru.
# dig -v
Na Debian na nke ọ bụla n'ime usoro ya gụnyere Debian, a na-eme nrụnye site na iji iwu dabara adaba.
# apt install dnsutils
Ọzọ, iji nyochaa nrụnye, mee iwu ahụ.
# dig -v
Maka ArchLinux, iwu maka ịwụnye dig na nslookup ga-abụ.
# pacman -Sy dnsutils
Ka ịlele ụdị nke igwu arụnyere, gbaa ọsọ.
# dig -v
Enwere ike iji iwu igwu wee jụọ ngalaba aha wee weghachi ozi dịka egosiri:
# dig fossmint.com
Iwu a na-egosiputa ọtụtụ ozi dị ka ụdị nke akụrụngwa iwu igwu ala, ihe nkesa DNS, yana adreesị IP kwekọrọ.
; <<>> DiG 9.11.3-1ubuntu1.9-Ubuntu <<>> fossmint.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58049 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 65494 ;; QUESTION SECTION: ;fossmint.com. IN A ;; ANSWER SECTION: fossmint.com. 300 IN A 104.27.179.254 fossmint.com. 300 IN A 104.27.171.254 ;; Query time: 6 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) ;; WHEN: Fri Nov 15 12:33:55 IST 2019 ;; MSG SIZE rcvd: 73
Iji nweta nkọwapụta ma gosipụta naanị IP nke ngalaba aha tinye mgbakwunye + mkpụmkpụ dị ka egosiri:
# dig fossmint.com +short 104.17.179.254 104.17.171.254
Ka ịlele ndekọ MX nke ngalaba aha na-agba ọsọ.
# dig fossmint.com MX +short 50 mx3.zoho.com. 20 mx2.zoho.com. 10 mx.zoho.com.
Iji nweta nslookup utility iji weghachi ozi gbasara ngalaba aha, jiri iwu na-esonụ.
# nslookup fossmint.com
Server: 127.0.0.53 Address: 127.0.0.53#53 Non-authoritative answer: Name: fossmint.com Address: 104.27.179.254 Name: fossmint.com Address: 104.27.171.254 Name: fossmint.com Address: 2606:4700:30::681b:b0fe Name: fossmint.com Address: 2606:4700:30::681b:b1fe
N'edemede a, ị mụtara ka esi etinye iwu dig na nslookup na nkesa Linux dị iche iche yana isi ojiji nke iwu. Anyị nwere olile anya na ị nwere ike ịwụnye ngwa ndị ahụ nke ọma mgbe ị na-eche sistemụ na-enweghị ha.