在没有守护程序重载的情况下，符号链接的systemd脚本无法在启动时启动

debugcn 发表于 Dev

虚拟狼

我在CentOS 7中有一个自定义的systemd服务，其启动脚本位于以下版本的控制下/srv/etc/systemd/website.service：

[Unit]
Description=website
After=syslog.target network.target

[Service]
Type=forking
User=website
ExecStart=/opt/perl5/perls/perl-5.20.2/bin/hypnotoad /var/www/domains/<domain>/script/site.pl
ExecStop=/opt/perl5/perls/perl-5.20.2/bin/hypnotoad --stop /var/www/domains/<domain>/script/site.pl

[Install]
WantedBy=multi-user.target

如果我运行systemctl enable /srv/etc/systemd/website.service它，可以很好地创建符号链接，并且可以运行systemctl start website并且服务启动，但是它抱怨缺少[Install]部分，这显然是不正确的：

$ sudo systemctl enable /srv/etc/systemd/website.service 
Created symlink from /etc/systemd/system/website.service to /srv/etc/systemd/website.service.
The unit files have no [Install] section. They are not meant to be enabled
using systemctl.
Possible reasons for having this kind of units are:
1) A unit may be statically enabled by being symlinked from another unit's
   .wants/ or .requires/ directory.
2) A unit's purpose may be to act as a helper for some other unit which has
   a requirement dependency on it.
3) A unit may be started when needed via activation (socket, path, timer,
   D-Bus, udev, scripted systemctl call, ...).

重新启动后，服务不会启动，并systemctl start website返回Failed to start website.service: Unit not found。如果我运行systemctl daemon-reload，该start命令将再次起作用。

但是，如果我将文件复制到/ etc / systemd / system并运行systemctl enable website，那么一切都会按预期进行，并且该服务会在重启后立即启动。

实际上是否可以做我想做的事情，还是我只需要记住要进行任何更改就可以从Git存储库中手动复制systemd脚本？

用户名

您应该检查启动服务时是否已安装符号链接引用的驱动器。

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