Systemd：tmpfiles

Systemd提供了一个结构化的可配置方法来管理临时文件和目录，即systemd-tmpfiles，可以创建、删除和管理临时文件的服务。

$ systemctl list-units --all | grep systemd-tmpfilessystemd-tmpfiles-clean.service                                                       loaded    inactive   dead      Cleanup of Temporary Directoriessystemd-tmpfiles-setup-dev.service                                                   loaded    active     exited    Create Static Device Nodes in /devsystemd-tmpfiles-setup.service                                                       loaded    active     exited    Create Volatile Files and Directoriessystemd-tmpfiles-clean.timer                                                         loaded    active     waiting   Daily Cleanup of Temporary Directories