Otu esi edozi SSH Passwordless Login na Linux [3 Mfe Nzọụkwụ]


SSH (Secure SHELL) bụ ihe mepere emepe yana usoro netwọkụ tụkwasịrị obi nke a na-eji abanye na sava dịpụrụ adịpụ maka mmezu nke iwu na mmemme. A na-ejikwa ya nyefee faịlụ site na otu kọmputa gaa na kọmputa ọzọ na netwọk site na iji iwu Rsync.

[Ị nwekwara ike ịmasị: Otu esi echekwa ma sie ike OpenSSH Server]

N'isiokwu a, anyị ga-egosi gị otu esi edozi nbanye na-enweghị paswọọdụ na nkesa Debian dị ka Ubuntu & Mint site na iji igodo ssh iji jikọọ na sava Linux dịpụrụ adịpụ na-enweghị itinye paswọọdụ.

Iji nbanye na-enweghị Paswọdu na igodo SSH ga-eme ka ntụkwasị obi dị n'etiti sava Linux abụọ maka ịmekọrịta ma ọ bụ mbufe faịlụ dị mfe.

SSH Client : 192.168.0.12 ( Fedora 34 )
SSH Remote Host : 192.168.0.11 ( CentOS 8 )

Ọ bụrụ na ị na-emeso ọtụtụ sava Linux dịpụrụ adịpụ, mgbe ahụ, SSH Paswọdu-enweghị nbanye bụ otu n'ime ụzọ kachasị mma isi rụọ ọrụ dị ka nkwado ndabere na mpaghara na scripts, faịlụ mmekọrịta site na iji iwu SCP, na ime iwu dịpụrụ adịpụ.

[Ị nwekwara ike ịmasị: 25 Utility Backup Utilities for Linux Systems]

N'ihe atụ a, anyị ga-edozi paswọọdụ SSH-enweghị nbanye akpaaka site na sava 192.168.0.12 dị ka onye ọrụ tecmint ka 192.168.0.11 na onye ọrụ sheena.

Kwụpụ 1: Mepụta igodo SSH-Keygen nyocha na - (192.168.0.12)

Buru ụzọ banye na sava 192.168.0.12 na onye ọrụ tecmint wee wepụta ụzọ igodo ọha site na iji iwu a.

$ ssh-keygen -t rsa

Generating public/private rsa key pair.
Enter file in which to save the key (/home/tecmint/.ssh/id_rsa): [Press enter key]
Created directory '/home/tecmint/.ssh'.
Enter passphrase (empty for no passphrase): [Press enter key]
Enter same passphrase again: [Press enter key]
Your identification has been saved in /home/tecmint/.ssh/id_rsa.
Your public key has been saved in /home/tecmint/.ssh/id_rsa.pub.
The key fingerprint is:
5f:ad:40:00:8a:d1:9b:99:b3:b0:f8:08:99:c3:ed:d3 [email 
The key's randomart image is:
+--[ RSA 2048]----+
|        ..oooE.++|
|         o. o.o  |
|          ..   . |
|         o  . . o|
|        S .  . + |
|       . .    . o|
|      . o o    ..|
|       + +       |
|        +.       |
+-----------------+

Kwụpụ 2: Bulite igodo SSH na - 192.168.0.11

Jiri SSH sitere na sava 192.168.0.12 wee bulite igodo ọha ọhụrụ emepụtara (id_rsa.pub) na sava 192.168.0.11 n'okpuru ndekọ sheena's .ssh dị ka aha faịlụ authorized_keys.

$ ssh-copy-id [email 

Kwụpụ 3: Nwalee SSH Passwordless Nbanye site na 192.168.0.12

Site ugbu a gaa n'ihu ị nwere ike ịbanye na 192.168.0.11 dị ka onye ọrụ sheena site na sava 192.168.0.12 dị ka onye ọrụ tecmint na-enweghị paswọọdụ.

$ ssh [email 

N'edemede a, ị mụtala otu esi edobe nbanye na-enweghị paswọọdụ SSH site na iji igodo ssh. Atụrụ m anya na usoro ahụ ziri ezi. Ọ bụrụ na ị nwere ajụjụ ọ bụla, biko biputere ha na ngalaba nkọwa n'okpuru.