Cannot start sshd service: Failed to start openssh.service: Unit not found
Before you can run the OpenSSH server, you must install it, but you haven't actually installed it. To fix the problem, install the OpenSSH server.
[root@localhost ~]# yum install openssh-server
Loaded plugins: product-id, search-disabled-repos, subscription-manager
Resolving Dependencies
--> Running transaction check
---> Package openssh-server.x86_64 0:7.4p1-16.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
openssh-server x86_64 7.4p1-16.el7 rhel-7-server-beta-rpms 458 k
Transaction Summary
================================================================================
Install 1 Package
Total download size: 458 k
Installed size: 971 k
Is this ok [y/d/N]: y
Downloading packages:
openssh-server-7.4p1-16.el7.x86_64.rpm | 458 kB 00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : openssh-server-7.4p1-16.el7.x86_64 1/1
Verifying : openssh-server-7.4p1-16.el7.x86_64 1/1
Installed:
openssh-server.x86_64 0:7.4p1-16.el7
Complete!
The service is enabled by default, but if you do need to manage it, the systemd unit name is sshd
.
[root@localhost ~]# systemctl start sshd
[root@localhost ~]# systemctl status sshd
● sshd.service - OpenSSH server daemon
Loaded: loaded (/usr/lib/systemd/system/sshd.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2018-03-24 17:37:23 EDT; 41s ago
Docs: man:sshd(8)
man:sshd_config(5)
Main PID: 1373 (sshd)
CGroup: /system.slice/sshd.service
└─1373 /usr/sbin/sshd -D
Mar 24 17:37:23 localhost.localdomain systemd[1]: Starting OpenSSH server dae...
Mar 24 17:37:23 localhost.localdomain sshd[1373]: Server listening on 0.0.0.0...
Mar 24 17:37:23 localhost.localdomain sshd[1373]: Server listening on :: port...
Mar 24 17:37:23 localhost.localdomain systemd[1]: Started OpenSSH server daemon.
Hint: Some lines were ellipsized, use -l to show in full.