docker ssh 설치

docker ssh 설치

: Docker 는 마이크로 서비스가 목적이므로 모든 서버는 반드시 sshd 가 설치될 이유는 없음

: 가상서버 환경 처럼 깔다보면 마이크로 서비스의 목적이 없어짐

: 일반 가상서버 사용하려면 가상화 이용 필요

openssh 설치

yum install openssh

/usr/sbin/sshd

Could not load host key: /etc/ssh/ssh_host_rsa_key Could not load host key: /etc/ssh/ssh_host_ecdsa_key Could not load host key: /etc/ssh/ssh_host_ed25519_key sshd: no hostkeys available -- exiting.

ssh-keygen -t rsa1 -f /etc/ssh/ssh_host_key

Generating public/private rsa1 key pair. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /etc/ssh/ssh_host_key. Your public key has been saved in /etc/ssh/ssh_host_key.pub. The key fingerprint is: SHA256:/GzJG16VN0cZ0rFerPglcN5eSYL46AWE76ZiOPLUmbs root@d6495ec74b8a The key's randomart image is: +---[RSA1 2048]---+ |        ..   ..o.| |       .. . . .o+| |        .o ....++| |       . .+  =+=o| |        S. o. *+*| |    . o .*.. o =+| |   ..+  o.B . . .| | ..o o.. o +     | |  o.oEo   o      | +----[SHA256]-----+

ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key

Generating public/private rsa key pair. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /etc/ssh/ssh_host_rsa_key. Your public key has been saved in /etc/ssh/ssh_host_rsa_key.pub. The key fingerprint is: SHA256:6kni1hV+1/3oVsNLtM3X89dAJAFiuNBLz9yLdyVe1g8 root@d6495ec74b8a The key's randomart image is: +---[RSA 2048]----+ |     . .o ....   | |    . +. .  . .  | |     o * .   o . | |      o = . . E..| |       .So o Bo+=| |       .+ + + o*O| |    ..o. o o  .+O| |   ..+..      o.=| |   .. o      o. .| +----[SHA256]-----+

ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key

Generating public/private dsa key pair. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /etc/ssh/ssh_host_dsa_key. Your public key has been saved in /etc/ssh/ssh_host_dsa_key.pub. The key fingerprint is: SHA256:Qu4ZSGRHz62RWVrvld+vGr78jOOcfSeLy3+itjxrTPg root@d6495ec74b8a The key's randomart image is: +---[DSA 1024]----+ |    o.o   o      | |   o . o B .   . | |    . . B . . o  | |   . +   o . . ..| |    . + S  ..   o| |     . +  . .   .| |      o    +.   .| |           *EBo.+| |           +^%B*.| +----[SHA256]-----+

ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key

Generating public/private ecdsa key pair. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /etc/ssh/ssh_host_ecdsa_key. Your public key has been saved in /etc/ssh/ssh_host_ecdsa_key.pub. The key fingerprint is: SHA256:Vik8tzUUt3PNPrknyipP2253bPmulvpfRkhN8kqw3Bw root@d6495ec74b8a The key's randomart image is: +---[ECDSA 256]---+ |            +.E .| |       .   + * O.| |        + + = B *| |         = o + *.| |        S .   ooo| |       .       .o| |          .   .+=| |        .. +..++*| |         o++*=o*=| +----[SHA256]-----+

ssh-keygen -A

ssh-keygen: generating new host keys: ED25519

/usr/sbin/sshd

[root@d6495ec74b8a ssh]#