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   tmpfiles.d    ( 5 )

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Имя (Name)

tmpfiles.d - Configuration for creation, deletion and cleaning of volatile and temporary files

Синопсис (Synopsis)

/etc/tmpfiles.d/*.conf /run/tmpfiles.d/*.conf /usr/lib/tmpfiles.d/*.conf

~/.config/user-tmpfiles.d/*.conf $XDG_RUNTIME_DIR/user-tmpfiles.d/*.conf ~/.local/share/user-tmpfiles.d/*.conf ... /usr/share/user-tmpfiles.d/*.conf

#Type Path Mode User Group Age Argument f /file/to/create mode user group - content f+ /file/to/create-or-truncate mode user group - content w /file/to/write-to - - - - content w+ /file/to/append-to - - - - content d /directory/to/create-and-cleanup mode user group cleanup-age - D /directory/to/create-and-remove mode user group cleanup-age - e /directory/to/cleanup mode user group cleanup-age - v /subvolume-or-directory/to/create mode user group - - q /subvolume-or-directory/to/create mode user group - - Q /subvolume-or-directory/to/create mode user group - - p /fifo/to/create mode user group - - p+ /fifo/to/[re]create mode user group - - L /symlink/to/create - - - - symlink/target/path L+ /symlink/to/[re]create - - - - symlink/target/path c /dev/char-device-to-create mode user group - major:minor c+ /dev/char-device-to-[re]create mode user group - major:minor b /dev/block-device-to-create mode user group - major:minor b+ /dev/block-device-to-[re]create mode user group - major:minor C /target/to/create - - - - /source/to/copy x /path-or-glob/to/ignore/recursively - - - - - X /path-or-glob/to/ignore - - - - - r /empty/dir/to/remove - - - - - R /dir/to/remove/recursively - - - - - z /path-or-glob/to/adjust/mode mode user group - - Z /path-or-glob/to/adjust/mode/recursively mode user group - - t /path-or-glob/to/set/xattrs - - - - xattrs T /path-or-glob/to/set/xattrs/recursively - - - - xattrs h /path-or-glob/to/set/attrs - - - - file attrs H /path-or-glob/to/set/attrs/recursively - - - - file attrs a /path-or-glob/to/set/acls - - - - POSIX ACLs a+ /path-or-glob/to/append/acls - - - - POSIX ACLs A /path-or-glob/to/set/acls/recursively - - - - POSIX ACLs A+ /path-or-glob/to/append/acls/recursively - - - - POSIX ACLs

Описание (Description)

tmpfiles.d configuration files provide a generic mechanism to define the creation of regular files, directories, pipes, and device nodes, adjustments to their access mode, ownership, attributes, quota assignments, and contents, and finally their time-based removal. It is mostly commonly used for volatile and temporary files and directories (such as those located under /run/, /tmp/, /var/tmp/, the API file systems such as /sys/ or /proc/, as well as some other directories below /var/).

systemd-tmpfiles uses this configuration to create volatile files and directories during boot and to do periodic cleanup afterwards. See systemd-tmpfiles(5) for the description of systemd-tmpfiles-setup.service, systemd-tmpfiles-clean.service, and associated units.

System daemons frequently require private runtime directories below /run/ to store communication sockets and similar. For these, it is better to use RuntimeDirectory= in their unit files (see systemd.exec(5) for details), if the flexibility provided by tmpfiles.d is not required. The advantages are that the configuration required by the unit is centralized in one place, and that the lifetime of the directory is tied to the lifetime of the service itself. Similarly, StateDirectory=, CacheDirectory=, LogsDirectory=, and ConfigurationDirectory= should be used to create directories under /var/lib/, /var/cache/, /var/log/, and /etc/. tmpfiles.d should be used for files whose lifetime is independent of any service or requires more complicated configuration.