Linux系统 设置 cockpit 自动开机启动时异常问题处理
问题系统：
- Centos7
- Fedora29
- RedHat7
systemctl enable cockpit 时，会出现如下错误：
The unit files have no installation config (WantedBy, RequiredBy, Also, Alias settings in the [Install] section, and DefaultInstance for template units). This means 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, ...). 4) In case of template units, the unit is meant to be enabled with some instance name specified.修改cockpit.service 文件为如下所示：
➜ ~ cat /usr/lib/systemd/system/cockpit.service [Unit] Description=Cockpit Web Service Documentation=man:cockpit-ws(8) Requires=cockpit.socket [Service] ExecStartPre=/usr/sbin/remotectl certificate --ensure --user=root --group=cockpit-ws --selinux-type=etc_t ExecStart=/usr/libexec/cockpit-ws PermissionsStartOnly=true User=cockpit-ws Group=cockpit-ws [Install] WantedBy=multi-user.target添加 [Install] 配置单元，然后执行下面代码，即可解决问题。
sudo systemctl enable --now cockpit.socket转载请注明出处：
参考地址：https://www.ovirt.org/download/
参考链接：https://unix.stackexchange.com/questions//service-in-arch-not-starting-on-pc-boot
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