우분투 sshd 설치

우분투 ssh 서버 설치

우분투 sshd 설치

우분투 sshd 설정

1 설치 확인

root@ubuntu:~# netstat -ntlp | grep sshd
root@ubuntu:~# service ssh status
ssh: unrecognized service

→ 설치 안됨

root@ubuntu:~# dpkg --get-selections | grep ssh
openssh-client					install

→ openssh-client만 설치되어 있다. openssh-server가 필요하다.

2 설치 및 시작

root@ubuntu:~# apt-get install openssh-server
Reading package lists... Done
Building dependency tree
Reading state information... Done 
The following extra packages will be installed: 
  libwrap0 ssh-import-id tcpd 
Suggested packages: 
  ssh-askpass rssh molly-guard openssh-blacklist openssh-blacklist-extra 
  monkeysphere 
The following NEW packages will be installed: 
  libwrap0 openssh-server ssh-import-id tcpd 
0 upgraded, 4 newly installed, 0 to remove and 54 not upgraded. 
Need to get 425 kB of archives. 
After this operation, 1,167 kB of additional disk space will be used. 
Do you want to continue [Y/n]?

... (생략)
Setting up ssh-import-id (2.10-0ubuntu1) ...
Processing triggers for libc-bin ...
ldconfig defferred processing now taking place

root@zetawiki:~# service ssh restart
ssh stop/waiting
ssh start/running, process 1702

3 확인

root@ubuntu:~# dpkg --get-selections | grep ssh
openssh-client					install
openssh-server					install
ssh-import-id					install

root@ubuntu:~# service ssh status
ssh start/running, process 1702

root@ubuntu:~# ps -ef | grep sshd | grep -v grep
root      1702     1  0 03:53 ?        00:00:00 /usr/sbin/sshd -D

root@ubuntu:~# netstat -ntlp | grep sshd
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1702/sshd       
tcp6       0      0 :::22                   :::*                    LISTEN      1702/sshd

4 같이 보기

• sshd
• 우분투 root 계정 로그인
• openssh-server : Depends: libwrap0 but it is not installable

5 참고

• http://towanouta.tistory.com/71