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this tutorial：
$sudo systemctl start nagios Failed to start nagios.service: Unit nagios.service Failed to load: No such file or directory.
问题的原因是什么？
我有：
$sudo /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg Nagios Core 4.0.8 copyright (c) 2009-present Nagios Core Development Team and Community Contributors copyright (c) 1999-2009 Ethan galstad Last Modified: 08-12-2014 License: GPL Website: http://www.nagios.org Reading configuration data... Read main config file okay... Read object config files okay... Running pre-flight check on configuration data... Checking objects... Checked 8 services. Checked 1 hosts. Checked 1 host groups. Checked 0 service groups. Checked 1 contacts. Checked 1 contact groups. Checked 24 commands. Checked 5 time periods. Checked 0 host escalations. Checked 0 service escalations. Checking for circular paths... Checked 1 hosts Checked 0 service dependencies Checked 0 host dependencies Checked 5 timeperiods Checking global event handlers... Checking obsessive compulsive processor commands... Checking misc settings... Total Warnings: 0 Total Errors: 0 Things look okay - No serIoUs problems were detected during the pre-flight check
我创建了这个文件：
sudo vi /etc/systemd/system/nagios.service
[Unit] Description=Nagios BindTo=network.target [Install] WantedBy=multi-user.target [Service] User=nagios Group=nagios Type=simple ExecStart=/usr/local/nagios/bin/nagios /usr/local/nagios/etc/nagios.cfg
然后是以下内容：
sudo systemctl enable /etc/systemd/system/nagios.service sudo systemctl start nagios sudo systemctl restart nagios
