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[root@localhost ~]# systemctl status vsftpd.service
vsftpd.service - Vsftpd ftp daemon
Loaded: loaded (/usr/lib/systemd/system/vsftpd.service; disabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Wed 2017-12-13 21:44:06 CST; 18min ago
(如果是激活状态的话会有active绿色的标记),没有是显示Active: failed
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[root@localhost ~]#systemctl enable vsftpd.service
Created symlink from /etc/systemd/system/multi-user.target.wants/vsftpd.service to /usr/lib/systemd/system/vsftpd.service.
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[root@localhost ~]# service vsftpd restart
Redirecting to /bin/systemctl restart vsftpd.service